./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-32_7a-drivers--video--console--fbcon.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-32_7a-drivers--video--console--fbcon.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 037e795cce503850d2c4452c45fcb076e5748c33e58ba9a275ca2db56216e774 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 04:42:14,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 04:42:14,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 04:42:14,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 04:42:14,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 04:42:14,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 04:42:14,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 04:42:14,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 04:42:14,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 04:42:14,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 04:42:14,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 04:42:14,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 04:42:14,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 04:42:14,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 04:42:14,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 04:42:14,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 04:42:14,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 04:42:14,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 04:42:14,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 04:42:14,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 04:42:14,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 04:42:15,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 04:42:15,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 04:42:15,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 04:42:15,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 04:42:15,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 04:42:15,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 04:42:15,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 04:42:15,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 04:42:15,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 04:42:15,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 04:42:15,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 04:42:15,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 04:42:15,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 04:42:15,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 04:42:15,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 04:42:15,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 04:42:15,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 04:42:15,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 04:42:15,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 04:42:15,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 04:42:15,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 04:42:15,056 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 04:42:15,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 04:42:15,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 04:42:15,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 04:42:15,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 04:42:15,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 04:42:15,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 04:42:15,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 04:42:15,062 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 04:42:15,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 04:42:15,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 04:42:15,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 04:42:15,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 04:42:15,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 04:42:15,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 04:42:15,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 04:42:15,064 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 04:42:15,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 04:42:15,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 04:42:15,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 04:42:15,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 04:42:15,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 04:42:15,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 04:42:15,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 04:42:15,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 04:42:15,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 04:42:15,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 04:42:15,066 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 04:42:15,066 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 04:42:15,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 04:42:15,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 04:42:15,067 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037e795cce503850d2c4452c45fcb076e5748c33e58ba9a275ca2db56216e774 [2021-11-17 04:42:15,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 04:42:15,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 04:42:15,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 04:42:15,311 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 04:42:15,312 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 04:42:15,313 INFO L432 ainManager$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-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2021-11-17 04:42:15,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67ca0baf8/e03385d1eaa14bc58a68b810ffa80958/FLAG9d5895f96 [2021-11-17 04:42:16,101 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 04:42:16,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2021-11-17 04:42:16,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67ca0baf8/e03385d1eaa14bc58a68b810ffa80958/FLAG9d5895f96 [2021-11-17 04:42:16,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67ca0baf8/e03385d1eaa14bc58a68b810ffa80958 [2021-11-17 04:42:16,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 04:42:16,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 04:42:16,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 04:42:16,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 04:42:16,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 04:42:16,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:42:16" (1/1) ... [2021-11-17 04:42:16,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456afdf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:16, skipping insertion in model container [2021-11-17 04:42:16,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:42:16" (1/1) ... [2021-11-17 04:42:16,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 04:42:16,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 04:42:18,437 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-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[261739,261752] [2021-11-17 04:42:18,683 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 04:42:18,752 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 04:42:19,110 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-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[261739,261752] [2021-11-17 04:42:19,124 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 04:42:19,309 INFO L208 MainTranslator]: Completed translation [2021-11-17 04:42:19,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:19 WrapperNode [2021-11-17 04:42:19,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 04:42:19,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 04:42:19,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 04:42:19,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 04:42:19,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:19" (1/1) ... [2021-11-17 04:42:19,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:19" (1/1) ... [2021-11-17 04:42:19,692 INFO L137 Inliner]: procedures = 308, calls = 2780, calls flagged for inlining = 113, calls inlined = 103, statements flattened = 6349 [2021-11-17 04:42:19,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 04:42:19,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 04:42:19,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 04:42:19,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 04:42:19,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:19" (1/1) ... [2021-11-17 04:42:19,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:19" (1/1) ... [2021-11-17 04:42:19,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:19" (1/1) ... [2021-11-17 04:42:19,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:19" (1/1) ... [2021-11-17 04:42:19,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:19" (1/1) ... [2021-11-17 04:42:20,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:19" (1/1) ... [2021-11-17 04:42:20,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:19" (1/1) ... [2021-11-17 04:42:20,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 04:42:20,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 04:42:20,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 04:42:20,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 04:42:20,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:19" (1/1) ... [2021-11-17 04:42:20,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 04:42:20,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:42:20,237 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 04:42:20,248 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 04:42:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_origin [2021-11-17 04:42:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_origin [2021-11-17 04:42:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure con_copy_unimap [2021-11-17 04:42:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure con_copy_unimap [2021-11-17 04:42:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_exit [2021-11-17 04:42:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_exit [2021-11-17 04:42:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure con_is_bound [2021-11-17 04:42:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure con_is_bound [2021-11-17 04:42:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove [2021-11-17 04:42:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove [2021-11-17 04:42:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_display [2021-11-17 04:42:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_display [2021-11-17 04:42:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure do_fbcon_takeover [2021-11-17 04:42:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fbcon_takeover [2021-11-17 04:42:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 04:42:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 04:42:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 04:42:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 04:42:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 04:42:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 04:42:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 04:42:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 04:42:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_release_oldinfo [2021-11-17 04:42:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_release_oldinfo [2021-11-17 04:42:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memcpyw [2021-11-17 04:42:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memcpyw [2021-11-17 04:42:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_cursor [2021-11-17 04:42:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_cursor [2021-11-17 04:42:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_font [2021-11-17 04:42:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_font [2021-11-17 04:42:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-11-17 04:42:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-11-17 04:42:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_putcs [2021-11-17 04:42:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_putcs [2021-11-17 04:42:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure get_color [2021-11-17 04:42:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure get_color [2021-11-17 04:42:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2021-11-17 04:42:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2021-11-17 04:42:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 04:42:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 04:42:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_con_driver [2021-11-17 04:42:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_con_driver [2021-11-17 04:42:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 04:42:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 04:42:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_get_font [2021-11-17 04:42:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_get_font [2021-11-17 04:42:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure real_y [2021-11-17 04:42:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure real_y [2021-11-17 04:42:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_update_softback [2021-11-17 04:42:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_update_softback [2021-11-17 04:42:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 04:42:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 04:42:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 04:42:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 04:42:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure update_region [2021-11-17 04:42:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure update_region [2021-11-17 04:42:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure fb_flashcursor [2021-11-17 04:42:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_flashcursor [2021-11-17 04:42:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2021-11-17 04:42:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2021-11-17 04:42:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_scrolldelta [2021-11-17 04:42:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_scrolldelta [2021-11-17 04:42:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 04:42:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-17 04:42:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_disp [2021-11-17 04:42:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_disp [2021-11-17 04:42:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-17 04:42:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-17 04:42:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 04:42:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear_margins [2021-11-17 04:42:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear_margins [2021-11-17 04:42:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 04:42:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 04:42:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure display_to_var [2021-11-17 04:42:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure display_to_var [2021-11-17 04:42:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 04:42:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 04:42:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~X~int~TO~VOID [2021-11-17 04:42:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~X~int~TO~VOID [2021-11-17 04:42:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2021-11-17 04:42:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2021-11-17 04:42:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 04:42:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 04:42:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-17 04:42:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-17 04:42:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 04:42:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 04:42:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_enter [2021-11-17 04:42:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_enter [2021-11-17 04:42:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_del_cursor_timer [2021-11-17 04:42:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_del_cursor_timer [2021-11-17 04:42:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_move [2021-11-17 04:42:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_move [2021-11-17 04:42:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 04:42:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-17 04:42:20,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-17 04:42:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 04:42:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_is_inactive [2021-11-17 04:42:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_is_inactive [2021-11-17 04:42:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear [2021-11-17 04:42:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear [2021-11-17 04:42:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_add_cursor_timer [2021-11-17 04:42:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_add_cursor_timer [2021-11-17 04:42:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 04:42:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2021-11-17 04:42:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2021-11-17 04:42:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 04:42:20,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 04:42:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure set_blitting_type [2021-11-17 04:42:20,345 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blitting_type [2021-11-17 04:42:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove_rec [2021-11-17 04:42:20,345 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove_rec [2021-11-17 04:42:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 04:42:20,346 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 04:42:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_palette [2021-11-17 04:42:20,346 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_palette [2021-11-17 04:42:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 04:42:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure set_con2fb_map [2021-11-17 04:42:20,347 INFO L138 BoogieDeclarations]: Found implementation of procedure set_con2fb_map [2021-11-17 04:42:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_leave [2021-11-17 04:42:20,349 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_leave [2021-11-17 04:42:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure console_conditional_schedule [2021-11-17 04:42:20,349 INFO L138 BoogieDeclarations]: Found implementation of procedure console_conditional_schedule [2021-11-17 04:42:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_copy_font [2021-11-17 04:42:20,349 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_copy_font [2021-11-17 04:42:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_do_set_font [2021-11-17 04:42:20,350 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_do_set_font [2021-11-17 04:42:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 04:42:20,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 04:42:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 04:42:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_acquire_newinfo [2021-11-17 04:42:20,354 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_acquire_newinfo [2021-11-17 04:42:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 04:42:20,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 04:42:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2021-11-17 04:42:20,354 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2021-11-17 04:42:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 04:42:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_prepare_logo [2021-11-17 04:42:20,355 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_prepare_logo [2021-11-17 04:42:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 04:42:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_blit [2021-11-17 04:42:20,355 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_blit [2021-11-17 04:42:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-11-17 04:42:20,355 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-11-17 04:42:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2021-11-17 04:42:20,355 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2021-11-17 04:42:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-17 04:42:20,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-17 04:42:20,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 04:42:20,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 04:42:20,356 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-11-17 04:42:20,356 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-11-17 04:42:20,356 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_modechanged [2021-11-17 04:42:20,356 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_modechanged [2021-11-17 04:42:20,356 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-11-17 04:42:20,357 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-11-17 04:42:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_invert_region [2021-11-17 04:42:20,357 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_invert_region [2021-11-17 04:42:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2021-11-17 04:42:20,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2021-11-17 04:42:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_all_vcs [2021-11-17 04:42:20,357 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_all_vcs [2021-11-17 04:42:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw [2021-11-17 04:42:20,358 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw [2021-11-17 04:42:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure updatescrollmode [2021-11-17 04:42:20,358 INFO L138 BoogieDeclarations]: Found implementation of procedure updatescrollmode [2021-11-17 04:42:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_switch [2021-11-17 04:42:20,358 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_switch [2021-11-17 04:42:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2021-11-17 04:42:20,358 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2021-11-17 04:42:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 04:42:20,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 04:42:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure redraw_screen [2021-11-17 04:42:20,359 INFO L138 BoogieDeclarations]: Found implementation of procedure redraw_screen [2021-11-17 04:42:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 04:42:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure search_fb_in_map [2021-11-17 04:42:20,359 INFO L138 BoogieDeclarations]: Found implementation of procedure search_fb_in_map [2021-11-17 04:42:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2021-11-17 04:42:20,360 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2021-11-17 04:42:20,360 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-17 04:42:20,360 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-17 04:42:20,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 04:42:20,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 04:42:20,360 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 04:42:20,360 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 04:42:21,157 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 04:42:21,159 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 04:42:23,809 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 04:42:50,549 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 04:42:50,566 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 04:42:50,567 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 04:42:50,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 04:42:50 BoogieIcfgContainer [2021-11-17 04:42:50,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 04:42:50,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 04:42:50,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 04:42:50,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 04:42:50,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:42:16" (1/3) ... [2021-11-17 04:42:50,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c40edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:42:50, skipping insertion in model container [2021-11-17 04:42:50,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:19" (2/3) ... [2021-11-17 04:42:50,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c40edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:42:50, skipping insertion in model container [2021-11-17 04:42:50,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 04:42:50" (3/3) ... [2021-11-17 04:42:50,579 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2021-11-17 04:42:50,585 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 04:42:50,585 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 04:42:50,640 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 04:42:50,645 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 04:42:50,646 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 04:42:50,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 2081 states, 1595 states have (on average 1.4482758620689655) internal successors, (2310), 1650 states have internal predecessors, (2310), 401 states have call successors, (401), 84 states have call predecessors, (401), 83 states have return successors, (396), 384 states have call predecessors, (396), 396 states have call successors, (396) [2021-11-17 04:42:50,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2021-11-17 04:42:50,730 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:42:50,731 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:50,731 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:42:50,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:42:50,737 INFO L85 PathProgramCache]: Analyzing trace with hash 811946978, now seen corresponding path program 1 times [2021-11-17 04:42:50,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:42:50,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613803588] [2021-11-17 04:42:50,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:42:50,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:42:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:42:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:42:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:42:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:42:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:42:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:42:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:42:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:42:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:42:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:42:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:42:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:42:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:42:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:42:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:42:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:42:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:42:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:42:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:42:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:42:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:42:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:42:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:42:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:42:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:42:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:51,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:42:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:42:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:42:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:42:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:42:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:42:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:42:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:42:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:42:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:42:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:42:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:42:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:42:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:42:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:42:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:42:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:42:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:42:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:42:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:42:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:42:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:42:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:42:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:42:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:42:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:42:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-11-17 04:42:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 04:42:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-11-17 04:42:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-11-17 04:42:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:42:52,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-11-17 04:42:52,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:42:52,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613803588] [2021-11-17 04:42:52,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613803588] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 04:42:52,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 04:42:52,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 04:42:52,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118378067] [2021-11-17 04:42:52,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 04:42:52,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 04:42:52,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:42:52,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 04:42:52,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 04:42:52,650 INFO L87 Difference]: Start difference. First operand has 2081 states, 1595 states have (on average 1.4482758620689655) internal successors, (2310), 1650 states have internal predecessors, (2310), 401 states have call successors, (401), 84 states have call predecessors, (401), 83 states have return successors, (396), 384 states have call predecessors, (396), 396 states have call successors, (396) Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-17 04:42:55,799 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 04:42:57,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:43:00,975 WARN L515 Checker$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 04:43:03,142 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:43:05,894 WARN L515 Checker$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 04:43:07,921 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:43:10,203 WARN L515 Checker$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 04:43:12,535 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:43:14,577 WARN L515 Checker$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 04:43:16,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:43:22,401 WARN L515 Checker$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 04:43:24,416 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:43:29,281 WARN L515 Checker$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 04:43:31,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:43:34,290 WARN L515 Checker$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 04:43:36,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:43:38,693 WARN L515 Checker$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 04:43:40,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:43:43,186 WARN L515 Checker$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 04:43:45,205 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:43:47,429 WARN L515 Checker$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 04:43:49,458 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:43:54,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:43:56,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:43:59,312 WARN L515 Checker$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 04:44:01,335 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:44:03,467 WARN L515 Checker$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 04:44:05,486 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 04:44:06,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:44:06,445 INFO L93 Difference]: Finished difference Result 6825 states and 10679 transitions. [2021-11-17 04:44:06,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 04:44:06,447 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 539 [2021-11-17 04:44:06,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:44:06,504 INFO L225 Difference]: With dead ends: 6825 [2021-11-17 04:44:06,504 INFO L226 Difference]: Without dead ends: 4731 [2021-11-17 04:44:06,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-11-17 04:44:06,525 INFO L933 BasicCegarLoop]: 3229 mSDtfsCounter, 7146 mSDsluCounter, 6678 mSDsCounter, 0 mSdLazyCounter, 4916 mSolverCounterSat, 3150 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7454 SdHoareTripleChecker+Valid, 9907 SdHoareTripleChecker+Invalid, 8094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3150 IncrementalHoareTripleChecker+Valid, 4916 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.8s IncrementalHoareTripleChecker+Time [2021-11-17 04:44:06,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7454 Valid, 9907 Invalid, 8094 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3150 Valid, 4916 Invalid, 28 Unknown, 0 Unchecked, 72.8s Time] [2021-11-17 04:44:06,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4731 states. [2021-11-17 04:44:06,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4731 to 3957. [2021-11-17 04:44:06,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3957 states, 3071 states have (on average 1.4539238033213937) internal successors, (4465), 3160 states have internal predecessors, (4465), 726 states have call successors, (726), 161 states have call predecessors, (726), 159 states have return successors, (720), 695 states have call predecessors, (720), 720 states have call successors, (720) [2021-11-17 04:44:06,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 3957 states and 5911 transitions. [2021-11-17 04:44:06,877 INFO L78 Accepts]: Start accepts. Automaton has 3957 states and 5911 transitions. Word has length 539 [2021-11-17 04:44:06,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:44:06,882 INFO L470 AbstractCegarLoop]: Abstraction has 3957 states and 5911 transitions. [2021-11-17 04:44:06,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-17 04:44:06,882 INFO L276 IsEmpty]: Start isEmpty. Operand 3957 states and 5911 transitions. [2021-11-17 04:44:06,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2021-11-17 04:44:06,901 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:44:06,902 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:44:06,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 04:44:06,903 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:44:06,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:44:06,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1669920250, now seen corresponding path program 1 times [2021-11-17 04:44:06,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:44:06,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302870781] [2021-11-17 04:44:06,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:44:06,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:44:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:44:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:44:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:44:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:44:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:44:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:44:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:44:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:44:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:44:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:44:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:44:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:44:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:44:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:44:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:44:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:44:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:44:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:44:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:44:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:44:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:44:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:44:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:44:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:44:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:44:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:44:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:44:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:44:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:44:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:44:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:44:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:44:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:44:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:44:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:44:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:44:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:44:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:44:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:44:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:44:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:44:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:44:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:44:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:44:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:44:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:44:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:44:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:44:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:44:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:44:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:44:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:44:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:07,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:44:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-11-17 04:44:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:44:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-11-17 04:44:08,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:44:08,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302870781] [2021-11-17 04:44:08,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302870781] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 04:44:08,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 04:44:08,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 04:44:08,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140693246] [2021-11-17 04:44:08,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 04:44:08,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 04:44:08,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:44:08,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 04:44:08,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 04:44:08,014 INFO L87 Difference]: Start difference. First operand 3957 states and 5911 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (50), 5 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-17 04:44:10,870 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 04:44:12,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:44:14,908 WARN L515 Checker$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 04:44:17,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:44:20,078 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:44:22,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:44:24,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:44:26,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:44:29,194 WARN L515 Checker$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 04:44:31,244 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:44:33,256 WARN L515 Checker$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 04:44:35,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:44:37,894 WARN L515 Checker$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 04:44:39,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:44:41,954 WARN L515 Checker$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 04:44:43,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:44:49,205 WARN L515 Checker$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 04:44:51,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:44:53,237 WARN L515 Checker$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 04:44:57,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:44:59,614 WARN L515 Checker$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 04:45:01,628 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:45:03,823 WARN L515 Checker$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 04:45:05,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:45:07,883 WARN L515 Checker$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 04:45:08,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:45:08,849 INFO L93 Difference]: Finished difference Result 8464 states and 12855 transitions. [2021-11-17 04:45:08,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 04:45:08,849 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (50), 5 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 547 [2021-11-17 04:45:08,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:45:08,882 INFO L225 Difference]: With dead ends: 8464 [2021-11-17 04:45:08,882 INFO L226 Difference]: Without dead ends: 4600 [2021-11-17 04:45:08,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 04:45:08,904 INFO L933 BasicCegarLoop]: 2951 mSDtfsCounter, 1477 mSDsluCounter, 6730 mSDsCounter, 0 mSdLazyCounter, 3464 mSolverCounterSat, 975 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 9681 SdHoareTripleChecker+Invalid, 4464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 975 IncrementalHoareTripleChecker+Valid, 3464 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.4s IncrementalHoareTripleChecker+Time [2021-11-17 04:45:08,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1490 Valid, 9681 Invalid, 4464 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [975 Valid, 3464 Invalid, 25 Unknown, 0 Unchecked, 60.4s Time] [2021-11-17 04:45:08,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4600 states. [2021-11-17 04:45:09,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4600 to 3958. [2021-11-17 04:45:09,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3958 states, 3072 states have (on average 1.4537760416666667) internal successors, (4466), 3161 states have internal predecessors, (4466), 726 states have call successors, (726), 161 states have call predecessors, (726), 159 states have return successors, (720), 695 states have call predecessors, (720), 720 states have call successors, (720) [2021-11-17 04:45:09,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3958 states to 3958 states and 5912 transitions. [2021-11-17 04:45:09,107 INFO L78 Accepts]: Start accepts. Automaton has 3958 states and 5912 transitions. Word has length 547 [2021-11-17 04:45:09,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:45:09,110 INFO L470 AbstractCegarLoop]: Abstraction has 3958 states and 5912 transitions. [2021-11-17 04:45:09,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (50), 5 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-17 04:45:09,112 INFO L276 IsEmpty]: Start isEmpty. Operand 3958 states and 5912 transitions. [2021-11-17 04:45:09,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2021-11-17 04:45:09,129 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:45:09,129 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:09,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 04:45:09,130 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:45:09,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:45:09,131 INFO L85 PathProgramCache]: Analyzing trace with hash -807308106, now seen corresponding path program 1 times [2021-11-17 04:45:09,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:45:09,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345654044] [2021-11-17 04:45:09,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:45:09,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:45:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:45:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:45:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:45:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:45:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:45:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:45:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:45:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:45:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:45:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:45:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:45:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:45:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:45:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:45:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:45:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:45:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:45:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:45:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:45:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:45:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:45:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:45:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:45:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:45:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:45:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:45:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:45:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:45:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:45:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:45:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:45:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:45:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:09,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:45:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:45:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:45:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:45:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:45:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:45:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:45:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:45:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:45:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:45:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:45:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:45:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-11-17 04:45:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:10,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-11-17 04:45:10,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:45:10,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345654044] [2021-11-17 04:45:10,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345654044] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 04:45:10,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790992625] [2021-11-17 04:45:10,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:45:10,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:45:10,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:45:10,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 04:45:10,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 04:45:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:11,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 3536 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 04:45:11,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 04:45:13,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2021-11-17 04:45:13,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 04:45:13,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790992625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 04:45:13,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 04:45:13,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2021-11-17 04:45:13,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170715926] [2021-11-17 04:45:13,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 04:45:13,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 04:45:13,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:45:13,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 04:45:13,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 04:45:13,074 INFO L87 Difference]: Start difference. First operand 3958 states and 5912 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2021-11-17 04:45:13,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:45:13,173 INFO L93 Difference]: Finished difference Result 3960 states and 5913 transitions. [2021-11-17 04:45:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 04:45:13,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 549 [2021-11-17 04:45:13,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:45:13,201 INFO L225 Difference]: With dead ends: 3960 [2021-11-17 04:45:13,201 INFO L226 Difference]: Without dead ends: 3957 [2021-11-17 04:45:13,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 738 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 04:45:13,208 INFO L933 BasicCegarLoop]: 3080 mSDtfsCounter, 2890 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2890 SdHoareTripleChecker+Valid, 3080 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 04:45:13,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2890 Valid, 3080 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 04:45:13,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3957 states. [2021-11-17 04:45:13,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3957 to 3957. [2021-11-17 04:45:13,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3957 states, 3072 states have (on average 1.4534505208333333) internal successors, (4465), 3160 states have internal predecessors, (4465), 725 states have call successors, (725), 161 states have call predecessors, (725), 159 states have return successors, (720), 695 states have call predecessors, (720), 720 states have call successors, (720) [2021-11-17 04:45:13,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 3957 states and 5910 transitions. [2021-11-17 04:45:13,380 INFO L78 Accepts]: Start accepts. Automaton has 3957 states and 5910 transitions. Word has length 549 [2021-11-17 04:45:13,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:45:13,382 INFO L470 AbstractCegarLoop]: Abstraction has 3957 states and 5910 transitions. [2021-11-17 04:45:13,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2021-11-17 04:45:13,382 INFO L276 IsEmpty]: Start isEmpty. Operand 3957 states and 5910 transitions. [2021-11-17 04:45:13,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2021-11-17 04:45:13,391 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:45:13,392 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:13,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 04:45:13,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:45:13,608 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:45:13,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:45:13,608 INFO L85 PathProgramCache]: Analyzing trace with hash 742719901, now seen corresponding path program 1 times [2021-11-17 04:45:13,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:45:13,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041454889] [2021-11-17 04:45:13,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:45:13,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:45:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:45:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:45:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:45:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:45:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:45:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:45:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:45:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:45:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:13,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:45:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:45:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:45:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:45:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:45:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:45:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:45:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:45:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:45:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:45:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:45:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:45:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:45:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:45:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:45:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:45:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:45:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:45:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:45:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:45:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:45:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:45:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:45:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:45:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:45:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:45:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:45:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:45:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:45:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:45:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:45:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:45:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:45:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:45:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:45:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:45:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-11-17 04:45:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-11-17 04:45:14,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:45:14,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041454889] [2021-11-17 04:45:14,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041454889] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 04:45:14,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482757581] [2021-11-17 04:45:14,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:45:14,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:45:14,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:45:14,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 04:45:14,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 04:45:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:15,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 3538 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 04:45:15,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 04:45:17,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2021-11-17 04:45:17,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 04:45:17,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482757581] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 04:45:17,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 04:45:17,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2021-11-17 04:45:17,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567299572] [2021-11-17 04:45:17,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 04:45:17,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 04:45:17,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:45:17,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 04:45:17,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 04:45:17,456 INFO L87 Difference]: Start difference. First operand 3957 states and 5910 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2021-11-17 04:45:17,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:45:17,546 INFO L93 Difference]: Finished difference Result 3959 states and 5911 transitions. [2021-11-17 04:45:17,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 04:45:17,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 550 [2021-11-17 04:45:17,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:45:17,572 INFO L225 Difference]: With dead ends: 3959 [2021-11-17 04:45:17,573 INFO L226 Difference]: Without dead ends: 3956 [2021-11-17 04:45:17,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 745 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 04:45:17,577 INFO L933 BasicCegarLoop]: 3078 mSDtfsCounter, 2887 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2887 SdHoareTripleChecker+Valid, 3078 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 04:45:17,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2887 Valid, 3078 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 04:45:17,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3956 states. [2021-11-17 04:45:17,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3956 to 3956. [2021-11-17 04:45:17,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3956 states, 3072 states have (on average 1.453125) internal successors, (4464), 3159 states have internal predecessors, (4464), 724 states have call successors, (724), 161 states have call predecessors, (724), 159 states have return successors, (720), 695 states have call predecessors, (720), 720 states have call successors, (720) [2021-11-17 04:45:17,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 3956 states and 5908 transitions. [2021-11-17 04:45:17,770 INFO L78 Accepts]: Start accepts. Automaton has 3956 states and 5908 transitions. Word has length 550 [2021-11-17 04:45:17,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:45:17,771 INFO L470 AbstractCegarLoop]: Abstraction has 3956 states and 5908 transitions. [2021-11-17 04:45:17,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2021-11-17 04:45:17,772 INFO L276 IsEmpty]: Start isEmpty. Operand 3956 states and 5908 transitions. [2021-11-17 04:45:17,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2021-11-17 04:45:17,781 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:45:17,782 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:17,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 04:45:18,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-17 04:45:18,008 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:45:18,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:45:18,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1548952729, now seen corresponding path program 1 times [2021-11-17 04:45:18,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:45:18,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948118693] [2021-11-17 04:45:18,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:45:18,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:45:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:45:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:45:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:45:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:45:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:45:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:45:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:45:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:45:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:45:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:45:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:45:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:45:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:45:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:45:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:45:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:45:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:45:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:45:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:45:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:45:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:45:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:45:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:45:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:45:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:45:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:45:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:45:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:45:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:45:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:45:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:45:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:45:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:45:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:45:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:45:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:45:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:45:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:45:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:45:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:45:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:45:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:45:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:45:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:45:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-11-17 04:45:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:18,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-11-17 04:45:18,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:45:18,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948118693] [2021-11-17 04:45:18,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948118693] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 04:45:18,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199448324] [2021-11-17 04:45:18,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:45:18,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:45:18,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:45:18,896 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 04:45:18,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 04:45:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:19,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 3540 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 04:45:19,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 04:45:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2021-11-17 04:45:21,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 04:45:21,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199448324] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 04:45:21,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 04:45:21,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2021-11-17 04:45:21,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633656247] [2021-11-17 04:45:21,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 04:45:21,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 04:45:21,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:45:21,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 04:45:21,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 04:45:21,722 INFO L87 Difference]: Start difference. First operand 3956 states and 5908 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2021-11-17 04:45:21,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:45:21,862 INFO L93 Difference]: Finished difference Result 7800 states and 11664 transitions. [2021-11-17 04:45:21,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 04:45:21,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 551 [2021-11-17 04:45:21,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:45:21,885 INFO L225 Difference]: With dead ends: 7800 [2021-11-17 04:45:21,886 INFO L226 Difference]: Without dead ends: 3937 [2021-11-17 04:45:21,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 746 GetRequests, 740 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 04:45:21,903 INFO L933 BasicCegarLoop]: 3065 mSDtfsCounter, 2874 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2874 SdHoareTripleChecker+Valid, 3065 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 04:45:21,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2874 Valid, 3065 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 04:45:21,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3937 states. [2021-11-17 04:45:22,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3937 to 3933. [2021-11-17 04:45:22,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3933 states, 3057 states have (on average 1.4543670264965654) internal successors, (4446), 3143 states have internal predecessors, (4446), 720 states have call successors, (720), 158 states have call predecessors, (720), 155 states have return successors, (716), 691 states have call predecessors, (716), 716 states have call successors, (716) [2021-11-17 04:45:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3933 states to 3933 states and 5882 transitions. [2021-11-17 04:45:22,077 INFO L78 Accepts]: Start accepts. Automaton has 3933 states and 5882 transitions. Word has length 551 [2021-11-17 04:45:22,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:45:22,078 INFO L470 AbstractCegarLoop]: Abstraction has 3933 states and 5882 transitions. [2021-11-17 04:45:22,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2021-11-17 04:45:22,079 INFO L276 IsEmpty]: Start isEmpty. Operand 3933 states and 5882 transitions. [2021-11-17 04:45:22,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2021-11-17 04:45:22,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:45:22,089 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:22,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-17 04:45:22,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:45:22,312 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:45:22,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:45:22,312 INFO L85 PathProgramCache]: Analyzing trace with hash 772371488, now seen corresponding path program 1 times [2021-11-17 04:45:22,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:45:22,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318806326] [2021-11-17 04:45:22,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:45:22,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:45:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:45:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:45:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:45:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:45:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:45:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:45:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:45:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:45:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:45:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:45:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:45:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:45:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:45:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:45:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:45:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:45:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:45:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:45:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:45:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:45:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:45:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:45:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:45:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:45:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:45:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:45:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:45:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:45:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:45:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:45:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:45:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:45:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:22,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:45:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:45:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:45:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:45:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:45:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:45:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:45:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:45:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:45:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:45:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:45:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:45:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-11-17 04:45:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-11-17 04:45:23,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:45:23,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318806326] [2021-11-17 04:45:23,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318806326] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 04:45:23,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163920061] [2021-11-17 04:45:23,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:45:23,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:45:23,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:45:23,146 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 04:45:23,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-17 04:45:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:23,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 3542 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 04:45:23,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 04:45:25,860 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2021-11-17 04:45:25,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 04:45:25,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163920061] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 04:45:25,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 04:45:25,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2021-11-17 04:45:25,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623383324] [2021-11-17 04:45:25,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 04:45:25,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 04:45:25,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:45:25,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 04:45:25,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 04:45:25,863 INFO L87 Difference]: Start difference. First operand 3933 states and 5882 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2021-11-17 04:45:25,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:45:25,973 INFO L93 Difference]: Finished difference Result 3935 states and 5883 transitions. [2021-11-17 04:45:25,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 04:45:25,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 552 [2021-11-17 04:45:25,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:45:26,013 INFO L225 Difference]: With dead ends: 3935 [2021-11-17 04:45:26,013 INFO L226 Difference]: Without dead ends: 3932 [2021-11-17 04:45:26,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 747 GetRequests, 741 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 04:45:26,018 INFO L933 BasicCegarLoop]: 3064 mSDtfsCounter, 2871 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 3064 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 04:45:26,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2871 Valid, 3064 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 04:45:26,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3932 states. [2021-11-17 04:45:26,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3932 to 3932. [2021-11-17 04:45:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3932 states, 3057 states have (on average 1.4540399084069349) internal successors, (4445), 3142 states have internal predecessors, (4445), 719 states have call successors, (719), 158 states have call predecessors, (719), 155 states have return successors, (716), 691 states have call predecessors, (716), 716 states have call successors, (716) [2021-11-17 04:45:26,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3932 states to 3932 states and 5880 transitions. [2021-11-17 04:45:26,225 INFO L78 Accepts]: Start accepts. Automaton has 3932 states and 5880 transitions. Word has length 552 [2021-11-17 04:45:26,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:45:26,226 INFO L470 AbstractCegarLoop]: Abstraction has 3932 states and 5880 transitions. [2021-11-17 04:45:26,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2021-11-17 04:45:26,226 INFO L276 IsEmpty]: Start isEmpty. Operand 3932 states and 5880 transitions. [2021-11-17 04:45:26,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2021-11-17 04:45:26,237 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:45:26,237 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:26,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-17 04:45:26,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:45:26,450 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:45:26,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:45:26,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1826805636, now seen corresponding path program 1 times [2021-11-17 04:45:26,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:45:26,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777500283] [2021-11-17 04:45:26,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:45:26,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:45:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:45:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:45:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:45:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:45:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:45:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:45:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:45:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:45:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:45:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:45:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:45:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:45:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:45:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:45:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:45:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:45:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:45:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:45:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:45:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:45:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:45:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:45:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:45:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:45:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:45:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:45:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:45:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:45:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:45:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:45:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:45:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:45:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:45:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:45:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:45:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:45:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:45:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:45:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:45:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:45:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:45:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:45:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:45:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:45:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-11-17 04:45:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-11-17 04:45:27,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:45:27,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777500283] [2021-11-17 04:45:27,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777500283] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 04:45:27,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817416769] [2021-11-17 04:45:27,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:45:27,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:45:27,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:45:27,300 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 04:45:27,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-17 04:45:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:28,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 3544 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 04:45:28,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 04:45:30,154 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2021-11-17 04:45:30,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 04:45:30,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817416769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 04:45:30,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 04:45:30,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2021-11-17 04:45:30,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234890125] [2021-11-17 04:45:30,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 04:45:30,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 04:45:30,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:45:30,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 04:45:30,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 04:45:30,157 INFO L87 Difference]: Start difference. First operand 3932 states and 5880 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2021-11-17 04:45:30,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:45:30,274 INFO L93 Difference]: Finished difference Result 3934 states and 5881 transitions. [2021-11-17 04:45:30,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 04:45:30,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 553 [2021-11-17 04:45:30,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:45:30,296 INFO L225 Difference]: With dead ends: 3934 [2021-11-17 04:45:30,296 INFO L226 Difference]: Without dead ends: 3906 [2021-11-17 04:45:30,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 748 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 04:45:30,306 INFO L933 BasicCegarLoop]: 3063 mSDtfsCounter, 2868 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2868 SdHoareTripleChecker+Valid, 3063 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 04:45:30,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2868 Valid, 3063 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 04:45:30,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3906 states. [2021-11-17 04:45:30,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3906 to 3906. [2021-11-17 04:45:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3906 states, 3039 states have (on average 1.4550839091806516) internal successors, (4422), 3123 states have internal predecessors, (4422), 713 states have call successors, (713), 156 states have call predecessors, (713), 153 states have return successors, (711), 686 states have call predecessors, (711), 711 states have call successors, (711) [2021-11-17 04:45:30,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3906 states to 3906 states and 5846 transitions. [2021-11-17 04:45:30,502 INFO L78 Accepts]: Start accepts. Automaton has 3906 states and 5846 transitions. Word has length 553 [2021-11-17 04:45:30,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:45:30,503 INFO L470 AbstractCegarLoop]: Abstraction has 3906 states and 5846 transitions. [2021-11-17 04:45:30,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2021-11-17 04:45:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3906 states and 5846 transitions. [2021-11-17 04:45:30,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2021-11-17 04:45:30,517 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:45:30,518 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 04:45:30,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-17 04:45:30,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:45:30,744 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:45:30,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:45:30,744 INFO L85 PathProgramCache]: Analyzing trace with hash -343380390, now seen corresponding path program 1 times [2021-11-17 04:45:30,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:45:30,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439487258] [2021-11-17 04:45:30,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:45:30,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:45:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:30,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:45:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:30,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:30,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:45:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:45:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:45:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:45:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:45:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:45:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:45:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:45:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:45:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:45:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:45:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:45:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:45:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:45:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:45:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:45:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:45:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:45:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:45:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:45:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:45:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:45:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:45:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:45:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:45:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:45:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:45:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:45:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:45:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:45:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:45:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:45:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:45:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:45:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:45:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:45:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:45:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:45:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:45:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:45:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:45:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:45:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-11-17 04:45:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-11-17 04:45:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:45:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:45:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5449 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5449 trivial. 0 not checked. [2021-11-17 04:45:31,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:45:31,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439487258] [2021-11-17 04:45:31,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439487258] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 04:45:31,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 04:45:31,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 04:45:31,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858247964] [2021-11-17 04:45:31,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 04:45:31,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 04:45:31,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:45:31,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 04:45:31,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 04:45:31,729 INFO L87 Difference]: Start difference. First operand 3906 states and 5846 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-17 04:45:35,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:45:37,258 WARN L515 Checker$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 04:45:41,238 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:45:43,266 WARN L515 Checker$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 04:45:45,657 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:45:47,678 WARN L515 Checker$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 04:45:49,706 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:45:52,655 WARN L515 Checker$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 04:45:54,694 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:45:57,161 WARN L515 Checker$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 04:45:59,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:46:02,438 WARN L515 Checker$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 04:46:04,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:46:10,898 WARN L515 Checker$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 04:46:12,928 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:46:16,387 WARN L515 Checker$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 04:46:16,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:46:16,388 INFO L93 Difference]: Finished difference Result 11330 states and 17176 transitions. [2021-11-17 04:46:16,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 04:46:16,538 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 574 [2021-11-17 04:46:16,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:46:16,582 INFO L225 Difference]: With dead ends: 11330 [2021-11-17 04:46:16,582 INFO L226 Difference]: Without dead ends: 7517 [2021-11-17 04:46:16,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-11-17 04:46:16,606 INFO L933 BasicCegarLoop]: 3132 mSDtfsCounter, 4000 mSDsluCounter, 5008 mSDsCounter, 0 mSdLazyCounter, 3607 mSolverCounterSat, 1060 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4193 SdHoareTripleChecker+Valid, 8140 SdHoareTripleChecker+Invalid, 4683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1060 IncrementalHoareTripleChecker+Valid, 3607 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.0s IncrementalHoareTripleChecker+Time [2021-11-17 04:46:16,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4193 Valid, 8140 Invalid, 4683 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1060 Valid, 3607 Invalid, 16 Unknown, 0 Unchecked, 44.0s Time] [2021-11-17 04:46:16,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7517 states. [2021-11-17 04:46:16,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7517 to 6172. [2021-11-17 04:46:16,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6172 states, 4846 states have (on average 1.4525381758151052) internal successors, (7039), 4974 states have internal predecessors, (7039), 1046 states have call successors, (1046), 284 states have call predecessors, (1046), 279 states have return successors, (1044), 1007 states have call predecessors, (1044), 1044 states have call successors, (1044) [2021-11-17 04:46:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6172 states to 6172 states and 9129 transitions. [2021-11-17 04:46:16,923 INFO L78 Accepts]: Start accepts. Automaton has 6172 states and 9129 transitions. Word has length 574 [2021-11-17 04:46:16,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:46:16,924 INFO L470 AbstractCegarLoop]: Abstraction has 6172 states and 9129 transitions. [2021-11-17 04:46:16,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-17 04:46:16,924 INFO L276 IsEmpty]: Start isEmpty. Operand 6172 states and 9129 transitions. [2021-11-17 04:46:16,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 647 [2021-11-17 04:46:16,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:46:16,948 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 04:46:16,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 04:46:16,948 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:46:16,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:46:16,949 INFO L85 PathProgramCache]: Analyzing trace with hash -665624739, now seen corresponding path program 1 times [2021-11-17 04:46:16,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:46:16,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177148798] [2021-11-17 04:46:16,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:46:16,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:46:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:46:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:46:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:46:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:46:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:46:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:46:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:46:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:46:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:46:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:46:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:46:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:46:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:46:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:46:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:46:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:46:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:46:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:46:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:46:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:46:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:46:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:46:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:46:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:46:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:46:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:46:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:46:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:46:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:46:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:46:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:46:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:46:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:46:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:46:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:46:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:46:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:46:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:46:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:46:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:46:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:46:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:46:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:46:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:46:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-11-17 04:46:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-11-17 04:46:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-11-17 04:46:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:17,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2021-11-17 04:46:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:18,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2021-11-17 04:46:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:18,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:18,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2021-11-17 04:46:18,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:46:18,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177148798] [2021-11-17 04:46:18,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177148798] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 04:46:18,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777164355] [2021-11-17 04:46:18,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:46:18,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:46:18,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:46:18,037 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 04:46:18,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-17 04:46:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:19,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 4075 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 04:46:19,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 04:46:19,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5685 trivial. 0 not checked. [2021-11-17 04:46:19,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 04:46:19,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777164355] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 04:46:19,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 04:46:19,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-17 04:46:19,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111844529] [2021-11-17 04:46:19,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 04:46:19,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 04:46:19,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:46:19,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 04:46:19,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-17 04:46:19,892 INFO L87 Difference]: Start difference. First operand 6172 states and 9129 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-17 04:46:20,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:46:20,107 INFO L93 Difference]: Finished difference Result 12245 states and 18495 transitions. [2021-11-17 04:46:20,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 04:46:20,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 646 [2021-11-17 04:46:20,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:46:20,140 INFO L225 Difference]: With dead ends: 12245 [2021-11-17 04:46:20,140 INFO L226 Difference]: Without dead ends: 6176 [2021-11-17 04:46:20,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 859 GetRequests, 852 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-17 04:46:20,182 INFO L933 BasicCegarLoop]: 3034 mSDtfsCounter, 0 mSDsluCounter, 3030 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6064 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 04:46:20,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6064 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 04:46:20,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6176 states. [2021-11-17 04:46:20,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6176 to 6176. [2021-11-17 04:46:20,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6176 states, 4850 states have (on average 1.4521649484536083) internal successors, (7043), 4978 states have internal predecessors, (7043), 1046 states have call successors, (1046), 284 states have call predecessors, (1046), 279 states have return successors, (1044), 1007 states have call predecessors, (1044), 1044 states have call successors, (1044) [2021-11-17 04:46:20,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6176 states to 6176 states and 9133 transitions. [2021-11-17 04:46:20,548 INFO L78 Accepts]: Start accepts. Automaton has 6176 states and 9133 transitions. Word has length 646 [2021-11-17 04:46:20,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:46:20,549 INFO L470 AbstractCegarLoop]: Abstraction has 6176 states and 9133 transitions. [2021-11-17 04:46:20,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-17 04:46:20,549 INFO L276 IsEmpty]: Start isEmpty. Operand 6176 states and 9133 transitions. [2021-11-17 04:46:20,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 647 [2021-11-17 04:46:20,574 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:46:20,574 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 04:46:20,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-17 04:46:20,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:46:20,800 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:46:20,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:46:20,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1649961885, now seen corresponding path program 1 times [2021-11-17 04:46:20,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:46:20,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398072665] [2021-11-17 04:46:20,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:46:20,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:46:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:46:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:46:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:46:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:46:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:46:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:46:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:46:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:46:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:46:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:46:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:46:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:46:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:46:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:46:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:46:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:46:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:46:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:46:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:46:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:46:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:46:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:46:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:46:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:46:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:46:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:46:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:46:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:46:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:46:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:46:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:46:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:46:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:46:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:46:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:46:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:46:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:46:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:46:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:46:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:46:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:46:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:46:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:46:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:46:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-11-17 04:46:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-11-17 04:46:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-11-17 04:46:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2021-11-17 04:46:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2021-11-17 04:46:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2021-11-17 04:46:21,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:46:21,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398072665] [2021-11-17 04:46:21,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398072665] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 04:46:21,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672348914] [2021-11-17 04:46:21,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:46:21,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:46:21,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:46:21,716 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 04:46:21,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-17 04:46:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:22,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 4081 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 04:46:22,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 04:46:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 226 proven. 1 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2021-11-17 04:46:23,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 04:46:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2021-11-17 04:46:25,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672348914] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 04:46:25,010 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 04:46:25,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2021-11-17 04:46:25,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580541064] [2021-11-17 04:46:25,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 04:46:25,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 04:46:25,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:46:25,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 04:46:25,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-11-17 04:46:25,013 INFO L87 Difference]: Start difference. First operand 6176 states and 9133 transitions. Second operand has 11 states, 11 states have (on average 16.545454545454547) internal successors, (182), 7 states have internal predecessors, (182), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 04:46:28,576 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:46:30,791 WARN L515 Checker$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 04:46:33,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:46:35,768 WARN L515 Checker$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 04:46:39,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:46:41,910 WARN L515 Checker$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 04:46:44,289 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:46:46,452 WARN L515 Checker$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 04:46:49,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:46:55,222 WARN L515 Checker$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 04:46:55,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:46:55,999 INFO L93 Difference]: Finished difference Result 13604 states and 20471 transitions. [2021-11-17 04:46:55,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 04:46:55,999 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.545454545454547) internal successors, (182), 7 states have internal predecessors, (182), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 646 [2021-11-17 04:46:56,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:46:56,042 INFO L225 Difference]: With dead ends: 13604 [2021-11-17 04:46:56,042 INFO L226 Difference]: Without dead ends: 7531 [2021-11-17 04:46:56,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1505 GetRequests, 1495 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-11-17 04:46:56,060 INFO L933 BasicCegarLoop]: 2857 mSDtfsCounter, 976 mSDsluCounter, 10121 mSDsCounter, 0 mSdLazyCounter, 5457 mSolverCounterSat, 507 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 12978 SdHoareTripleChecker+Invalid, 5974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 5457 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time [2021-11-17 04:46:56,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1035 Valid, 12978 Invalid, 5974 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [507 Valid, 5457 Invalid, 10 Unknown, 0 Unchecked, 30.5s Time] [2021-11-17 04:46:56,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7531 states. [2021-11-17 04:46:56,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7531 to 6188. [2021-11-17 04:46:56,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6188 states, 4862 states have (on average 1.451048951048951) internal successors, (7055), 4990 states have internal predecessors, (7055), 1046 states have call successors, (1046), 284 states have call predecessors, (1046), 279 states have return successors, (1044), 1007 states have call predecessors, (1044), 1044 states have call successors, (1044) [2021-11-17 04:46:56,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6188 states to 6188 states and 9145 transitions. [2021-11-17 04:46:56,381 INFO L78 Accepts]: Start accepts. Automaton has 6188 states and 9145 transitions. Word has length 646 [2021-11-17 04:46:56,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:46:56,381 INFO L470 AbstractCegarLoop]: Abstraction has 6188 states and 9145 transitions. [2021-11-17 04:46:56,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.545454545454547) internal successors, (182), 7 states have internal predecessors, (182), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 04:46:56,382 INFO L276 IsEmpty]: Start isEmpty. Operand 6188 states and 9145 transitions. [2021-11-17 04:46:56,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2021-11-17 04:46:56,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:46:56,402 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 04:46:56,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-17 04:46:56,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:46:56,616 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:46:56,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:46:56,616 INFO L85 PathProgramCache]: Analyzing trace with hash -2130698263, now seen corresponding path program 2 times [2021-11-17 04:46:56,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:46:56,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140597672] [2021-11-17 04:46:56,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:46:56,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:46:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:56,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:46:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:56,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:56,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:46:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:56,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:56,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:46:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:56,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:56,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:56,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:46:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:56,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:46:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:46:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:46:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:46:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:46:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:46:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:46:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:46:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:46:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:46:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:46:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:46:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:46:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:46:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:46:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:46:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:46:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:46:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:46:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:46:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:46:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:46:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:46:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:46:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:46:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:46:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:46:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:46:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:46:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:46:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:46:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:46:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:46:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:46:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:46:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:46:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:46:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:46:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:46:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:46:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-11-17 04:46:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-11-17 04:46:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 04:46:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:46:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-11-17 04:46:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2021-11-17 04:46:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:46:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:46:57,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5702 trivial. 0 not checked. [2021-11-17 04:46:57,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:46:57,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140597672] [2021-11-17 04:46:57,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140597672] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 04:46:57,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 04:46:57,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 04:46:57,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548179328] [2021-11-17 04:46:57,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 04:46:57,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 04:46:57,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:46:57,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 04:46:57,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-17 04:46:57,710 INFO L87 Difference]: Start difference. First operand 6188 states and 9145 transitions. Second operand has 10 states, 10 states have (on average 15.0) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (56), 6 states have call predecessors, (56), 3 states have return successors, (54), 3 states have call predecessors, (54), 1 states have call successors, (54) [2021-11-17 04:47:02,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:47:04,409 WARN L515 Checker$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 04:47:07,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:47:09,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:47:13,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:47:15,496 WARN L515 Checker$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 04:47:17,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:47:19,968 WARN L515 Checker$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 04:47:21,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:47:24,011 WARN L515 Checker$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 04:47:26,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:47:28,400 WARN L515 Checker$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 04:47:30,448 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:47:32,606 WARN L515 Checker$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 04:47:34,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:47:36,691 WARN L515 Checker$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 04:47:39,705 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:47:41,732 WARN L515 Checker$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 04:47:43,766 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:47:50,030 WARN L515 Checker$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 04:47:52,065 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:47:54,098 WARN L515 Checker$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 04:47:54,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:47:54,665 INFO L93 Difference]: Finished difference Result 13636 states and 20751 transitions. [2021-11-17 04:47:54,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 04:47:54,666 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.0) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (56), 6 states have call predecessors, (56), 3 states have return successors, (54), 3 states have call predecessors, (54), 1 states have call successors, (54) Word has length 652 [2021-11-17 04:47:54,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:47:54,703 INFO L225 Difference]: With dead ends: 13636 [2021-11-17 04:47:54,703 INFO L226 Difference]: Without dead ends: 7551 [2021-11-17 04:47:54,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-11-17 04:47:54,723 INFO L933 BasicCegarLoop]: 2908 mSDtfsCounter, 1084 mSDsluCounter, 13977 mSDsCounter, 0 mSdLazyCounter, 5990 mSolverCounterSat, 545 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 16885 SdHoareTripleChecker+Invalid, 6557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 545 IncrementalHoareTripleChecker+Valid, 5990 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.3s IncrementalHoareTripleChecker+Time [2021-11-17 04:47:54,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1149 Valid, 16885 Invalid, 6557 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [545 Valid, 5990 Invalid, 22 Unknown, 0 Unchecked, 56.3s Time] [2021-11-17 04:47:54,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7551 states. [2021-11-17 04:47:54,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7551 to 6208. [2021-11-17 04:47:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6208 states, 4878 states have (on average 1.449569495694957) internal successors, (7071), 5006 states have internal predecessors, (7071), 1046 states have call successors, (1046), 284 states have call predecessors, (1046), 283 states have return successors, (1086), 1011 states have call predecessors, (1086), 1044 states have call successors, (1086) [2021-11-17 04:47:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6208 states to 6208 states and 9203 transitions. [2021-11-17 04:47:55,031 INFO L78 Accepts]: Start accepts. Automaton has 6208 states and 9203 transitions. Word has length 652 [2021-11-17 04:47:55,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:47:55,032 INFO L470 AbstractCegarLoop]: Abstraction has 6208 states and 9203 transitions. [2021-11-17 04:47:55,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.0) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (56), 6 states have call predecessors, (56), 3 states have return successors, (54), 3 states have call predecessors, (54), 1 states have call successors, (54) [2021-11-17 04:47:55,033 INFO L276 IsEmpty]: Start isEmpty. Operand 6208 states and 9203 transitions. [2021-11-17 04:47:55,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2021-11-17 04:47:55,052 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:47:55,053 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 04:47:55,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 04:47:55,053 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:47:55,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:47:55,054 INFO L85 PathProgramCache]: Analyzing trace with hash 863055564, now seen corresponding path program 1 times [2021-11-17 04:47:55,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:47:55,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738658498] [2021-11-17 04:47:55,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:47:55,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:47:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:47:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:47:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:47:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:47:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:47:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:47:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:47:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:47:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:47:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:47:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:47:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:47:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:47:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:47:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:47:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:47:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:47:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:47:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:47:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:47:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:47:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:47:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:47:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:47:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:47:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:47:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:47:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:47:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:47:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:47:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:47:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:47:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:47:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:47:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:47:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:47:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:47:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:47:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:47:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:47:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:47:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:47:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:47:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:47:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:47:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:47:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:47:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:47:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:47:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:47:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:47:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:47:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-11-17 04:47:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-11-17 04:47:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:47:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 04:47:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:47:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-11-17 04:47:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2021-11-17 04:47:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:47:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:47:55,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5702 trivial. 0 not checked. [2021-11-17 04:47:55,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:47:55,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738658498] [2021-11-17 04:47:55,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738658498] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 04:47:55,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 04:47:55,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 04:47:55,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150524557] [2021-11-17 04:47:55,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 04:47:55,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 04:47:55,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:47:55,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 04:47:55,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 04:47:55,868 INFO L87 Difference]: Start difference. First operand 6208 states and 9203 transitions. Second operand has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) [2021-11-17 04:47:59,051 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:48:01,214 WARN L515 Checker$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 04:48:03,705 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:48:05,891 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:48:08,032 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:48:11,206 WARN L515 Checker$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 04:48:13,234 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:48:15,493 WARN L515 Checker$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 04:48:17,505 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:48:19,747 WARN L515 Checker$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 04:48:21,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:48:23,883 WARN L515 Checker$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 04:48:25,923 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:48:28,542 WARN L515 Checker$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 04:48:30,587 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:48:34,867 WARN L515 Checker$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 04:48:36,901 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 04:48:37,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:48:37,267 INFO L93 Difference]: Finished difference Result 13660 states and 21051 transitions. [2021-11-17 04:48:37,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 04:48:37,268 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) Word has length 657 [2021-11-17 04:48:37,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:48:37,305 INFO L225 Difference]: With dead ends: 13660 [2021-11-17 04:48:37,306 INFO L226 Difference]: Without dead ends: 7555 [2021-11-17 04:48:37,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-17 04:48:37,328 INFO L933 BasicCegarLoop]: 2859 mSDtfsCounter, 1662 mSDsluCounter, 5289 mSDsCounter, 0 mSdLazyCounter, 2779 mSolverCounterSat, 1029 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 8148 SdHoareTripleChecker+Invalid, 3825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1029 IncrementalHoareTripleChecker+Valid, 2779 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.9s IncrementalHoareTripleChecker+Time [2021-11-17 04:48:37,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1721 Valid, 8148 Invalid, 3825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1029 Valid, 2779 Invalid, 17 Unknown, 0 Unchecked, 40.9s Time] [2021-11-17 04:48:37,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7555 states. [2021-11-17 04:48:37,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7555 to 6212. [2021-11-17 04:48:37,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6212 states, 4882 states have (on average 1.4492011470708726) internal successors, (7075), 5010 states have internal predecessors, (7075), 1046 states have call successors, (1046), 284 states have call predecessors, (1046), 283 states have return successors, (1086), 1011 states have call predecessors, (1086), 1044 states have call successors, (1086) [2021-11-17 04:48:37,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6212 states to 6212 states and 9207 transitions. [2021-11-17 04:48:37,639 INFO L78 Accepts]: Start accepts. Automaton has 6212 states and 9207 transitions. Word has length 657 [2021-11-17 04:48:37,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:48:37,640 INFO L470 AbstractCegarLoop]: Abstraction has 6212 states and 9207 transitions. [2021-11-17 04:48:37,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) [2021-11-17 04:48:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 6212 states and 9207 transitions. [2021-11-17 04:48:37,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2021-11-17 04:48:37,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:48:37,659 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 04:48:37,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 04:48:37,660 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:48:37,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:48:37,660 INFO L85 PathProgramCache]: Analyzing trace with hash 170124327, now seen corresponding path program 1 times [2021-11-17 04:48:37,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:48:37,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728102823] [2021-11-17 04:48:37,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:48:37,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:48:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:48:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:48:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:48:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:48:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:48:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:48:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:48:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:48:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:48:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:48:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:48:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:48:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:48:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:48:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:37,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:48:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:48:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:48:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:48:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:48:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:48:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:48:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:48:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:48:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:48:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:48:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:48:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:48:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:48:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:48:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:48:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:48:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:48:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:48:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:48:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:48:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:48:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:48:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:48:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:48:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:48:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:48:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:48:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:48:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:48:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:48:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:48:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:48:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:48:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:48:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:48:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:48:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:48:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-11-17 04:48:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-11-17 04:48:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:48:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 04:48:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:48:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-11-17 04:48:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2021-11-17 04:48:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:48:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:48:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5705 trivial. 0 not checked. [2021-11-17 04:48:38,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:48:38,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728102823] [2021-11-17 04:48:38,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728102823] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 04:48:38,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 04:48:38,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 04:48:38,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147663972] [2021-11-17 04:48:38,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 04:48:38,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 04:48:38,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:48:38,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 04:48:38,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-17 04:48:38,631 INFO L87 Difference]: Start difference. First operand 6212 states and 9207 transitions. Second operand has 8 states, 8 states have (on average 18.375) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (56), 6 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-17 04:48:41,671 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 04:48:43,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:48:46,440 WARN L515 Checker$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 04:48:49,616 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:48:51,866 WARN L515 Checker$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 04:48:54,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:48:56,231 WARN L515 Checker$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 04:48:58,940 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:49:02,717 WARN L515 Checker$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 04:49:05,968 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:49:09,251 WARN L515 Checker$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 04:49:11,668 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 04:49:11,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:49:11,815 INFO L93 Difference]: Finished difference Result 15802 states and 24241 transitions. [2021-11-17 04:49:11,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 04:49:11,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.375) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (56), 6 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 652 [2021-11-17 04:49:11,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:49:11,863 INFO L225 Difference]: With dead ends: 15802 [2021-11-17 04:49:11,864 INFO L226 Difference]: Without dead ends: 9693 [2021-11-17 04:49:11,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-17 04:49:11,885 INFO L933 BasicCegarLoop]: 4255 mSDtfsCounter, 2696 mSDsluCounter, 10964 mSDsCounter, 0 mSdLazyCounter, 4279 mSolverCounterSat, 1023 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2974 SdHoareTripleChecker+Valid, 15219 SdHoareTripleChecker+Invalid, 5314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1023 IncrementalHoareTripleChecker+Valid, 4279 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2021-11-17 04:49:11,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2974 Valid, 15219 Invalid, 5314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1023 Valid, 4279 Invalid, 12 Unknown, 0 Unchecked, 32.6s Time] [2021-11-17 04:49:11,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9693 states. [2021-11-17 04:49:12,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9693 to 6252. [2021-11-17 04:49:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6252 states, 4916 states have (on average 1.4485353946297803) internal successors, (7121), 5044 states have internal predecessors, (7121), 1052 states have call successors, (1052), 284 states have call predecessors, (1052), 283 states have return successors, (1094), 1017 states have call predecessors, (1094), 1050 states have call successors, (1094) [2021-11-17 04:49:12,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6252 states to 6252 states and 9267 transitions. [2021-11-17 04:49:12,242 INFO L78 Accepts]: Start accepts. Automaton has 6252 states and 9267 transitions. Word has length 652 [2021-11-17 04:49:12,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:49:12,243 INFO L470 AbstractCegarLoop]: Abstraction has 6252 states and 9267 transitions. [2021-11-17 04:49:12,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.375) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (56), 6 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-17 04:49:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 6252 states and 9267 transitions. [2021-11-17 04:49:12,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2021-11-17 04:49:12,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:49:12,260 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 04:49:12,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 04:49:12,260 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:49:12,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:49:12,261 INFO L85 PathProgramCache]: Analyzing trace with hash 530728392, now seen corresponding path program 1 times [2021-11-17 04:49:12,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:49:12,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53920549] [2021-11-17 04:49:12,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:49:12,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:49:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:49:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:49:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:49:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:49:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:49:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:49:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:49:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:49:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:49:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:49:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:49:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:49:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:49:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:49:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:49:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:49:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:49:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:49:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:49:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:49:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:49:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:49:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:49:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:49:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:49:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:49:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:49:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:49:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:49:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:49:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:49:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:49:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:49:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:49:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:49:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:49:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:49:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:49:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:49:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:49:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:49:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:49:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:49:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:49:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-11-17 04:49:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-11-17 04:49:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 04:49:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:12,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:13,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:13,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-11-17 04:49:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2021-11-17 04:49:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:13,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5702 trivial. 0 not checked. [2021-11-17 04:49:13,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:49:13,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53920549] [2021-11-17 04:49:13,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53920549] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 04:49:13,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 04:49:13,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 04:49:13,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738010676] [2021-11-17 04:49:13,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 04:49:13,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 04:49:13,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:49:13,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 04:49:13,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 04:49:13,081 INFO L87 Difference]: Start difference. First operand 6252 states and 9267 transitions. Second operand has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) [2021-11-17 04:49:16,240 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 04:49:18,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:49:21,875 WARN L515 Checker$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 04:49:23,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:49:26,182 WARN L515 Checker$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 04:49:28,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:49:30,450 WARN L515 Checker$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 04:49:32,491 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:49:34,592 WARN L515 Checker$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 04:49:36,641 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:49:39,309 WARN L515 Checker$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 04:49:41,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:49:46,083 WARN L515 Checker$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 04:49:48,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:49:50,558 WARN L515 Checker$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 04:49:50,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:49:50,700 INFO L93 Difference]: Finished difference Result 13760 states and 21199 transitions. [2021-11-17 04:49:50,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 04:49:50,701 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) Word has length 657 [2021-11-17 04:49:50,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:49:50,736 INFO L225 Difference]: With dead ends: 13760 [2021-11-17 04:49:50,737 INFO L226 Difference]: Without dead ends: 7611 [2021-11-17 04:49:50,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-17 04:49:50,758 INFO L933 BasicCegarLoop]: 2873 mSDtfsCounter, 1670 mSDsluCounter, 5310 mSDsCounter, 0 mSdLazyCounter, 2816 mSolverCounterSat, 1025 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 8183 SdHoareTripleChecker+Invalid, 3856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1025 IncrementalHoareTripleChecker+Valid, 2816 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2021-11-17 04:49:50,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1729 Valid, 8183 Invalid, 3856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1025 Valid, 2816 Invalid, 15 Unknown, 0 Unchecked, 37.1s Time] [2021-11-17 04:49:50,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7611 states. [2021-11-17 04:49:51,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7611 to 6256. [2021-11-17 04:49:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6256 states, 4920 states have (on average 1.4481707317073171) internal successors, (7125), 5048 states have internal predecessors, (7125), 1052 states have call successors, (1052), 284 states have call predecessors, (1052), 283 states have return successors, (1094), 1017 states have call predecessors, (1094), 1050 states have call successors, (1094) [2021-11-17 04:49:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6256 states to 6256 states and 9271 transitions. [2021-11-17 04:49:51,084 INFO L78 Accepts]: Start accepts. Automaton has 6256 states and 9271 transitions. Word has length 657 [2021-11-17 04:49:51,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:49:51,085 INFO L470 AbstractCegarLoop]: Abstraction has 6256 states and 9271 transitions. [2021-11-17 04:49:51,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) [2021-11-17 04:49:51,085 INFO L276 IsEmpty]: Start isEmpty. Operand 6256 states and 9271 transitions. [2021-11-17 04:49:51,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2021-11-17 04:49:51,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:49:51,100 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 04:49:51,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 04:49:51,100 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:49:51,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:49:51,101 INFO L85 PathProgramCache]: Analyzing trace with hash 871724201, now seen corresponding path program 1 times [2021-11-17 04:49:51,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:49:51,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426683172] [2021-11-17 04:49:51,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:49:51,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:49:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:49:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:49:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:49:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:49:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:49:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:49:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:49:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:49:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:49:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:49:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:49:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:49:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:49:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:49:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:49:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:49:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:49:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:49:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:49:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:49:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:49:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:49:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:49:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:49:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:49:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:49:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:49:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:49:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:49:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:49:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:49:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:49:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:49:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:49:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:49:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:49:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:49:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:49:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:49:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:49:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:49:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:49:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:49:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:49:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:51,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-11-17 04:49:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:52,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-11-17 04:49:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:52,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:52,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 04:49:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:49:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:52,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-11-17 04:49:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:52,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2021-11-17 04:49:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:52,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:49:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2021-11-17 04:49:52,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:49:52,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426683172] [2021-11-17 04:49:52,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426683172] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 04:49:52,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421176882] [2021-11-17 04:49:52,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:49:52,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:49:52,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:49:52,123 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 04:49:52,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-17 04:49:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:49:53,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 4103 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-17 04:49:53,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 04:49:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 226 proven. 16 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2021-11-17 04:49:54,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 04:49:55,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2021-11-17 04:49:55,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421176882] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 04:49:55,306 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 04:49:55,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2021-11-17 04:49:55,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807028923] [2021-11-17 04:49:55,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 04:49:55,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-17 04:49:55,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:49:55,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-17 04:49:55,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2021-11-17 04:49:55,309 INFO L87 Difference]: Start difference. First operand 6256 states and 9271 transitions. Second operand has 17 states, 17 states have (on average 11.411764705882353) internal successors, (194), 13 states have internal predecessors, (194), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 04:49:58,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:50:00,701 WARN L515 Checker$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 04:50:03,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:50:05,780 WARN L515 Checker$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 04:50:09,248 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:50:11,590 WARN L515 Checker$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 04:50:13,884 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:50:16,012 WARN L515 Checker$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 04:50:18,959 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:50:23,970 WARN L515 Checker$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 04:50:24,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:50:24,367 INFO L93 Difference]: Finished difference Result 13776 states and 20769 transitions. [2021-11-17 04:50:24,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 04:50:24,368 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 11.411764705882353) internal successors, (194), 13 states have internal predecessors, (194), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 652 [2021-11-17 04:50:24,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:50:24,406 INFO L225 Difference]: With dead ends: 13776 [2021-11-17 04:50:24,406 INFO L226 Difference]: Without dead ends: 7623 [2021-11-17 04:50:24,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1520 GetRequests, 1504 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-11-17 04:50:24,427 INFO L933 BasicCegarLoop]: 2914 mSDtfsCounter, 1563 mSDsluCounter, 13104 mSDsCounter, 0 mSdLazyCounter, 4958 mSolverCounterSat, 994 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 16018 SdHoareTripleChecker+Invalid, 5962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 994 IncrementalHoareTripleChecker+Valid, 4958 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2021-11-17 04:50:24,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1622 Valid, 16018 Invalid, 5962 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [994 Valid, 4958 Invalid, 10 Unknown, 0 Unchecked, 28.5s Time] [2021-11-17 04:50:24,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7623 states. [2021-11-17 04:50:24,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7623 to 6280. [2021-11-17 04:50:24,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6280 states, 4944 states have (on average 1.445995145631068) internal successors, (7149), 5072 states have internal predecessors, (7149), 1052 states have call successors, (1052), 284 states have call predecessors, (1052), 283 states have return successors, (1094), 1017 states have call predecessors, (1094), 1050 states have call successors, (1094) [2021-11-17 04:50:24,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6280 states to 6280 states and 9295 transitions. [2021-11-17 04:50:24,767 INFO L78 Accepts]: Start accepts. Automaton has 6280 states and 9295 transitions. Word has length 652 [2021-11-17 04:50:24,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:50:24,768 INFO L470 AbstractCegarLoop]: Abstraction has 6280 states and 9295 transitions. [2021-11-17 04:50:24,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.411764705882353) internal successors, (194), 13 states have internal predecessors, (194), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 04:50:24,769 INFO L276 IsEmpty]: Start isEmpty. Operand 6280 states and 9295 transitions. [2021-11-17 04:50:24,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 670 [2021-11-17 04:50:24,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:50:24,784 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 04:50:24,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-17 04:50:25,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-17 04:50:25,012 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:50:25,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:50:25,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1579693294, now seen corresponding path program 1 times [2021-11-17 04:50:25,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:50:25,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388856197] [2021-11-17 04:50:25,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:50:25,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:50:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:50:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:50:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:50:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:50:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:50:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:50:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:50:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:50:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:50:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:50:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:50:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:50:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:50:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:50:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:50:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:50:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:50:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:50:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:50:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:50:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:50:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:50:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:50:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:50:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:50:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:50:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:50:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:50:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:50:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:50:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:50:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:50:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:50:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:50:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:50:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:50:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:50:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:50:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:50:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:50:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:50:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:50:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:50:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:50:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:50:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:50:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:50:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:50:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:50:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:50:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:50:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:50:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-11-17 04:50:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2021-11-17 04:50:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:50:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2021-11-17 04:50:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:50:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2021-11-17 04:50:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2021-11-17 04:50:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:50:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5789 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2021-11-17 04:50:25,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:50:25,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388856197] [2021-11-17 04:50:25,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388856197] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 04:50:25,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538471878] [2021-11-17 04:50:25,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:50:25,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:50:25,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:50:25,972 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 04:50:25,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-17 04:50:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:50:26,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 4153 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-17 04:50:26,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 04:50:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 5789 backedges. 226 proven. 100 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2021-11-17 04:50:27,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 04:50:29,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5789 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2021-11-17 04:50:29,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538471878] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 04:50:29,157 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 04:50:29,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 13] total 29 [2021-11-17 04:50:29,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131322472] [2021-11-17 04:50:29,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 04:50:29,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-17 04:50:29,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:50:29,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-17 04:50:29,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=499, Unknown=0, NotChecked=0, Total=812 [2021-11-17 04:50:29,159 INFO L87 Difference]: Start difference. First operand 6280 states and 9295 transitions. Second operand has 29 states, 29 states have (on average 8.0) internal successors, (232), 25 states have internal predecessors, (232), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 04:50:32,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:50:34,870 WARN L515 Checker$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 04:50:37,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:50:41,436 WARN L515 Checker$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 04:50:43,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:50:45,790 WARN L515 Checker$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 04:50:47,821 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:50:50,078 WARN L515 Checker$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 04:50:52,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:50:54,248 WARN L515 Checker$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 04:50:56,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:50:59,219 WARN L515 Checker$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 04:51:01,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:51:06,236 WARN L515 Checker$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 04:51:08,279 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 04:51:08,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:51:08,733 INFO L93 Difference]: Finished difference Result 13848 states and 20853 transitions. [2021-11-17 04:51:08,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-17 04:51:08,733 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 8.0) internal successors, (232), 25 states have internal predecessors, (232), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 669 [2021-11-17 04:51:08,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:51:08,765 INFO L225 Difference]: With dead ends: 13848 [2021-11-17 04:51:08,765 INFO L226 Difference]: Without dead ends: 7671 [2021-11-17 04:51:08,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1560 GetRequests, 1532 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2021-11-17 04:51:08,781 INFO L933 BasicCegarLoop]: 2904 mSDtfsCounter, 1684 mSDsluCounter, 15434 mSDsCounter, 0 mSdLazyCounter, 5593 mSolverCounterSat, 1027 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1743 SdHoareTripleChecker+Valid, 18338 SdHoareTripleChecker+Invalid, 6635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1027 IncrementalHoareTripleChecker+Valid, 5593 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.0s IncrementalHoareTripleChecker+Time [2021-11-17 04:51:08,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1743 Valid, 18338 Invalid, 6635 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1027 Valid, 5593 Invalid, 15 Unknown, 0 Unchecked, 39.0s Time] [2021-11-17 04:51:08,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7671 states. [2021-11-17 04:51:09,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7671 to 6328. [2021-11-17 04:51:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6328 states, 4992 states have (on average 1.4417067307692308) internal successors, (7197), 5120 states have internal predecessors, (7197), 1052 states have call successors, (1052), 284 states have call predecessors, (1052), 283 states have return successors, (1094), 1017 states have call predecessors, (1094), 1050 states have call successors, (1094) [2021-11-17 04:51:09,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6328 states to 6328 states and 9343 transitions. [2021-11-17 04:51:09,119 INFO L78 Accepts]: Start accepts. Automaton has 6328 states and 9343 transitions. Word has length 669 [2021-11-17 04:51:09,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:51:09,120 INFO L470 AbstractCegarLoop]: Abstraction has 6328 states and 9343 transitions. [2021-11-17 04:51:09,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.0) internal successors, (232), 25 states have internal predecessors, (232), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 04:51:09,120 INFO L276 IsEmpty]: Start isEmpty. Operand 6328 states and 9343 transitions. [2021-11-17 04:51:09,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2021-11-17 04:51:09,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:51:09,136 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 22, 22, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 04:51:09,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-17 04:51:09,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-17 04:51:09,352 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:51:09,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:51:09,352 INFO L85 PathProgramCache]: Analyzing trace with hash 928665969, now seen corresponding path program 2 times [2021-11-17 04:51:09,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:51:09,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742543518] [2021-11-17 04:51:09,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:51:09,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:51:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:51:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:51:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:51:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:51:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:51:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:51:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:51:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:51:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:51:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:51:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:51:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:51:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:51:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:51:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:51:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:51:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:51:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:51:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:51:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:51:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:51:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:51:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:51:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:51:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:51:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:51:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:51:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:51:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:51:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:51:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:51:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:51:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:51:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:51:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:51:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:51:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:51:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:51:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:51:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:51:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:51:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:51:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:51:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:51:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2021-11-17 04:51:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2021-11-17 04:51:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-11-17 04:51:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2021-11-17 04:51:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2021-11-17 04:51:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6173 backedges. 2 proven. 484 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2021-11-17 04:51:10,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:51:10,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742543518] [2021-11-17 04:51:10,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742543518] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 04:51:10,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919616413] [2021-11-17 04:51:10,625 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 04:51:10,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:51:10,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:51:10,626 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 04:51:10,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-17 04:51:12,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-17 04:51:12,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 04:51:12,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 4211 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-17 04:51:12,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 04:51:13,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6173 backedges. 226 proven. 484 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2021-11-17 04:51:13,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 04:51:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6173 backedges. 2 proven. 484 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2021-11-17 04:51:15,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919616413] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 04:51:15,462 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 04:51:15,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 25, 25] total 53 [2021-11-17 04:51:15,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560718822] [2021-11-17 04:51:15,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 04:51:15,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-11-17 04:51:15,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:51:15,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-11-17 04:51:15,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1189, Invalid=1567, Unknown=0, NotChecked=0, Total=2756 [2021-11-17 04:51:15,466 INFO L87 Difference]: Start difference. First operand 6328 states and 9343 transitions. Second operand has 53 states, 53 states have (on average 5.018867924528302) internal successors, (266), 49 states have internal predecessors, (266), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 04:51:18,699 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 04:51:20,979 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:51:25,453 WARN L515 Checker$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 04:51:27,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:51:29,891 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 04:51:32,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:51:34,268 WARN L515 Checker$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 04:51:37,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:51:42,321 WARN L515 Checker$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 04:51:42,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:51:42,666 INFO L93 Difference]: Finished difference Result 13992 states and 21021 transitions. [2021-11-17 04:51:42,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-17 04:51:42,667 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 5.018867924528302) internal successors, (266), 49 states have internal predecessors, (266), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 688 [2021-11-17 04:51:42,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:51:42,702 INFO L225 Difference]: With dead ends: 13992 [2021-11-17 04:51:42,703 INFO L226 Difference]: Without dead ends: 7767 [2021-11-17 04:51:42,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1610 GetRequests, 1558 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1195, Invalid=1667, Unknown=0, NotChecked=0, Total=2862 [2021-11-17 04:51:42,726 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3028 mSDsluCounter, 11454 mSDsCounter, 0 mSdLazyCounter, 4065 mSolverCounterSat, 2005 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3087 SdHoareTripleChecker+Valid, 14303 SdHoareTripleChecker+Invalid, 6079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2005 IncrementalHoareTripleChecker+Valid, 4065 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2021-11-17 04:51:42,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3087 Valid, 14303 Invalid, 6079 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2005 Valid, 4065 Invalid, 9 Unknown, 0 Unchecked, 26.4s Time] [2021-11-17 04:51:42,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7767 states. [2021-11-17 04:51:43,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7767 to 6424. [2021-11-17 04:51:43,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6424 states, 5088 states have (on average 1.4333726415094339) internal successors, (7293), 5216 states have internal predecessors, (7293), 1052 states have call successors, (1052), 284 states have call predecessors, (1052), 283 states have return successors, (1094), 1017 states have call predecessors, (1094), 1050 states have call successors, (1094) [2021-11-17 04:51:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6424 states to 6424 states and 9439 transitions. [2021-11-17 04:51:43,140 INFO L78 Accepts]: Start accepts. Automaton has 6424 states and 9439 transitions. Word has length 688 [2021-11-17 04:51:43,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:51:43,141 INFO L470 AbstractCegarLoop]: Abstraction has 6424 states and 9439 transitions. [2021-11-17 04:51:43,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.018867924528302) internal successors, (266), 49 states have internal predecessors, (266), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 04:51:43,141 INFO L276 IsEmpty]: Start isEmpty. Operand 6424 states and 9439 transitions. [2021-11-17 04:51:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 737 [2021-11-17 04:51:43,157 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:51:43,157 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 04:51:43,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-11-17 04:51:43,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-17 04:51:43,372 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:51:43,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:51:43,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1737785297, now seen corresponding path program 3 times [2021-11-17 04:51:43,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:51:43,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625684309] [2021-11-17 04:51:43,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:51:43,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:51:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:51:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:51:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:51:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:51:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:51:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:51:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:51:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:51:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:51:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 04:51:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 04:51:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 04:51:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 04:51:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 04:51:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 04:51:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 04:51:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 04:51:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 04:51:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 04:51:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 04:51:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:51:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:51:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 04:51:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 04:51:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 04:51:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 04:51:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 04:51:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 04:51:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 04:51:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 04:51:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 04:51:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 04:51:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:51:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 04:51:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:51:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 04:51:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 04:51:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 04:51:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 04:51:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 04:51:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 04:51:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 04:51:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 04:51:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 04:51:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2021-11-17 04:51:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2021-11-17 04:51:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2021-11-17 04:51:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:51:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2021-11-17 04:51:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 706 [2021-11-17 04:51:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:51:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:51:45,697 INFO L134 CoverageAnalysis]: Checked inductivity of 7805 backedges. 2 proven. 2116 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2021-11-17 04:51:45,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:51:45,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625684309] [2021-11-17 04:51:45,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625684309] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 04:51:45,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963693157] [2021-11-17 04:51:45,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-17 04:51:45,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:51:45,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:51:45,698 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 04:51:45,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-17 04:52:02,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-17 04:52:02,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 04:52:02,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 1731 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-17 04:52:02,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 04:52:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 7805 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 7350 trivial. 0 not checked. [2021-11-17 04:52:03,592 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 04:52:03,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963693157] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 04:52:03,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 04:52:03,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [53] total 57 [2021-11-17 04:52:03,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690322217] [2021-11-17 04:52:03,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 04:52:03,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 04:52:03,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:52:03,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 04:52:03,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1197, Invalid=1995, Unknown=0, NotChecked=0, Total=3192 [2021-11-17 04:52:03,594 INFO L87 Difference]: Start difference. First operand 6424 states and 9439 transitions. Second operand has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 3 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-17 04:52:04,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:52:04,210 INFO L93 Difference]: Finished difference Result 12833 states and 19104 transitions. [2021-11-17 04:52:04,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 04:52:04,211 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 3 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 736 [2021-11-17 04:52:04,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:52:04,241 INFO L225 Difference]: With dead ends: 12833 [2021-11-17 04:52:04,241 INFO L226 Difference]: Without dead ends: 6436 [2021-11-17 04:52:04,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 996 GetRequests, 939 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1205, Invalid=2217, Unknown=0, NotChecked=0, Total=3422 [2021-11-17 04:52:04,264 INFO L933 BasicCegarLoop]: 2994 mSDtfsCounter, 6 mSDsluCounter, 11897 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14891 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-17 04:52:04,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 14891 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-17 04:52:04,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6436 states. [2021-11-17 04:52:04,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6436 to 6436. [2021-11-17 04:52:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6436 states, 5096 states have (on average 1.4334772370486657) internal successors, (7305), 5228 states have internal predecessors, (7305), 1052 states have call successors, (1052), 284 states have call predecessors, (1052), 287 states have return successors, (1110), 1017 states have call predecessors, (1110), 1050 states have call successors, (1110) [2021-11-17 04:52:04,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6436 states to 6436 states and 9467 transitions. [2021-11-17 04:52:04,681 INFO L78 Accepts]: Start accepts. Automaton has 6436 states and 9467 transitions. Word has length 736 [2021-11-17 04:52:04,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:52:04,681 INFO L470 AbstractCegarLoop]: Abstraction has 6436 states and 9467 transitions. [2021-11-17 04:52:04,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 3 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-17 04:52:04,682 INFO L276 IsEmpty]: Start isEmpty. Operand 6436 states and 9467 transitions. [2021-11-17 04:52:04,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2021-11-17 04:52:04,698 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:52:04,699 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 34, 34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 04:52:04,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-17 04:52:04,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-17 04:52:04,918 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:52:04,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:52:04,918 INFO L85 PathProgramCache]: Analyzing trace with hash 290816886, now seen corresponding path program 1 times [2021-11-17 04:52:04,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:52:04,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046489790] [2021-11-17 04:52:04,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:52:04,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:52:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:52:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:52:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:52:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:52:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:52:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:52:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:52:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:52:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:52:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 04:52:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 04:52:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 04:52:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 04:52:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 04:52:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 04:52:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 04:52:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 04:52:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-17 04:52:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 04:52:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:52:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 04:52:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 04:52:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 04:52:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 04:52:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 04:52:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 04:52:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 04:52:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 04:52:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 04:52:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-17 04:52:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:52:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-17 04:52:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 04:52:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 04:52:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 04:52:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 04:52:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 04:52:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:06,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-11-17 04:52:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 04:52:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 04:52:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 04:52:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-11-17 04:52:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 04:52:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 04:52:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2021-11-17 04:52:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2021-11-17 04:52:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2021-11-17 04:52:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2021-11-17 04:52:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 740 [2021-11-17 04:52:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 9522 backedges. 2 proven. 2116 refuted. 0 times theorem prover too weak. 7404 trivial. 0 not checked. [2021-11-17 04:52:07,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:52:07,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046489790] [2021-11-17 04:52:07,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046489790] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 04:52:07,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428468718] [2021-11-17 04:52:07,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:52:07,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:52:07,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:52:07,197 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 04:52:07,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-17 04:52:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:08,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 4573 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-17 04:52:08,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 04:52:09,437 INFO L134 CoverageAnalysis]: Checked inductivity of 9522 backedges. 226 proven. 2116 refuted. 0 times theorem prover too weak. 7180 trivial. 0 not checked. [2021-11-17 04:52:09,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 04:52:11,665 INFO L134 CoverageAnalysis]: Checked inductivity of 9522 backedges. 2 proven. 2116 refuted. 0 times theorem prover too weak. 7404 trivial. 0 not checked. [2021-11-17 04:52:11,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428468718] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 04:52:11,665 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 04:52:11,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 49, 49] total 70 [2021-11-17 04:52:11,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083882446] [2021-11-17 04:52:11,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 04:52:11,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-11-17 04:52:11,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:52:11,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-11-17 04:52:11,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2158, Invalid=2672, Unknown=0, NotChecked=0, Total=4830 [2021-11-17 04:52:11,669 INFO L87 Difference]: Start difference. First operand 6436 states and 9467 transitions. Second operand has 70 states, 70 states have (on average 4.5285714285714285) internal successors, (317), 66 states have internal predecessors, (317), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 04:52:15,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:52:17,510 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:52:20,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:52:24,753 WARN L515 Checker$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 04:52:26,800 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:52:29,184 WARN L515 Checker$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 04:52:31,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:52:33,579 WARN L515 Checker$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 04:52:35,593 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:52:37,753 WARN L515 Checker$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 04:52:39,765 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:52:42,811 WARN L515 Checker$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 04:52:44,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:52:50,696 WARN L515 Checker$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 04:52:52,733 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 04:52:53,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:52:53,268 INFO L93 Difference]: Finished difference Result 14157 states and 21142 transitions. [2021-11-17 04:52:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-11-17 04:52:53,268 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 70 states have (on average 4.5285714285714285) internal successors, (317), 66 states have internal predecessors, (317), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 775 [2021-11-17 04:52:53,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:52:53,312 INFO L225 Difference]: With dead ends: 14157 [2021-11-17 04:52:53,312 INFO L226 Difference]: Without dead ends: 7824 [2021-11-17 04:52:53,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1808 GetRequests, 1739 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=2164, Invalid=2806, Unknown=0, NotChecked=0, Total=4970 [2021-11-17 04:52:53,334 INFO L933 BasicCegarLoop]: 2842 mSDtfsCounter, 2192 mSDsluCounter, 16528 mSDsCounter, 0 mSdLazyCounter, 6409 mSolverCounterSat, 1427 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2251 SdHoareTripleChecker+Valid, 19370 SdHoareTripleChecker+Invalid, 7851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1427 IncrementalHoareTripleChecker+Valid, 6409 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.8s IncrementalHoareTripleChecker+Time [2021-11-17 04:52:53,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2251 Valid, 19370 Invalid, 7851 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1427 Valid, 6409 Invalid, 15 Unknown, 0 Unchecked, 40.8s Time] [2021-11-17 04:52:53,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7824 states. [2021-11-17 04:52:53,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7824 to 6504. [2021-11-17 04:52:53,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6504 states, 5164 states have (on average 1.427769171185128) internal successors, (7373), 5296 states have internal predecessors, (7373), 1052 states have call successors, (1052), 284 states have call predecessors, (1052), 287 states have return successors, (1110), 1017 states have call predecessors, (1110), 1050 states have call successors, (1110) [2021-11-17 04:52:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6504 states to 6504 states and 9535 transitions. [2021-11-17 04:52:53,762 INFO L78 Accepts]: Start accepts. Automaton has 6504 states and 9535 transitions. Word has length 775 [2021-11-17 04:52:53,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:52:53,763 INFO L470 AbstractCegarLoop]: Abstraction has 6504 states and 9535 transitions. [2021-11-17 04:52:53,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 4.5285714285714285) internal successors, (317), 66 states have internal predecessors, (317), 2 states have call successors, (111), 6 states have call predecessors, (111), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 04:52:53,763 INFO L276 IsEmpty]: Start isEmpty. Operand 6504 states and 9535 transitions. [2021-11-17 04:52:53,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 805 [2021-11-17 04:52:53,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:52:53,781 INFO L514 BasicCegarLoop]: trace histogram [63, 63, 34, 34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 04:52:53,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-11-17 04:52:53,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:52:53,996 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:52:53,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:52:53,996 INFO L85 PathProgramCache]: Analyzing trace with hash 466715581, now seen corresponding path program 1 times [2021-11-17 04:52:53,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:52:53,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526829555] [2021-11-17 04:52:53,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:52:53,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:52:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:52:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:52:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:52:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:52:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:52:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:52:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:52:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:52:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:52:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 04:52:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 04:52:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 04:52:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 04:52:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 04:52:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 04:52:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 04:52:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 04:52:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-17 04:52:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 04:52:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 04:52:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 04:52:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 04:52:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 04:52:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 04:52:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 04:52:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 04:52:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 04:52:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 04:52:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 04:52:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-17 04:52:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 04:52:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-17 04:52:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 04:52:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 04:52:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 04:52:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 04:52:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 04:52:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-11-17 04:52:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 04:52:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 04:52:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 04:52:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-11-17 04:52:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 04:52:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 04:52:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-11-17 04:52:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2021-11-17 04:52:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2021-11-17 04:52:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:52:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-11-17 04:52:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 774 [2021-11-17 04:52:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:52:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:52:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 11375 backedges. 0 proven. 331 refuted. 0 times theorem prover too weak. 11044 trivial. 0 not checked. [2021-11-17 04:52:56,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:52:56,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526829555] [2021-11-17 04:52:56,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526829555] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 04:52:56,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626423756] [2021-11-17 04:52:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:52:56,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:52:56,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:52:56,756 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 04:52:56,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-17 04:53:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:53:07,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 4661 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-17 04:53:07,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 04:53:09,014 INFO L134 CoverageAnalysis]: Checked inductivity of 11375 backedges. 1000 proven. 3 refuted. 0 times theorem prover too weak. 10372 trivial. 0 not checked. [2021-11-17 04:53:09,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 04:53:10,965 INFO L134 CoverageAnalysis]: Checked inductivity of 11375 backedges. 10 proven. 321 refuted. 0 times theorem prover too weak. 11044 trivial. 0 not checked. [2021-11-17 04:53:10,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626423756] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 04:53:10,966 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 04:53:10,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 18 [2021-11-17 04:53:10,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871014371] [2021-11-17 04:53:10,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 04:53:10,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-17 04:53:10,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 04:53:10,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-17 04:53:10,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-11-17 04:53:10,968 INFO L87 Difference]: Start difference. First operand 6504 states and 9535 transitions. Second operand has 18 states, 16 states have (on average 13.125) internal successors, (210), 14 states have internal predecessors, (210), 4 states have call successors, (150), 6 states have call predecessors, (150), 7 states have return successors, (104), 5 states have call predecessors, (104), 4 states have call successors, (104) [2021-11-17 04:53:16,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:53:18,526 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:53:20,569 WARN L515 Checker$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 04:53:22,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:53:23,321 WARN L515 Checker$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 04:53:25,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:53:27,415 WARN L515 Checker$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 04:53:29,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:53:31,524 WARN L515 Checker$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 04:53:33,577 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:53:36,161 WARN L515 Checker$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 04:53:40,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:53:43,121 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:53:48,463 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:53:50,508 WARN L515 Checker$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 04:53:53,190 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:53:55,201 WARN L515 Checker$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 04:53:57,687 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:53:59,721 WARN L515 Checker$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 04:54:01,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:54:03,929 WARN L515 Checker$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 04:54:07,376 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:54:09,416 WARN L515 Checker$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 04:54:16,773 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 04:54:18,802 WARN L515 Checker$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 04:54:19,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 04:54:19,503 INFO L93 Difference]: Finished difference Result 14318 states and 21575 transitions. [2021-11-17 04:54:19,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-17 04:54:19,503 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 13.125) internal successors, (210), 14 states have internal predecessors, (210), 4 states have call successors, (150), 6 states have call predecessors, (150), 7 states have return successors, (104), 5 states have call predecessors, (104), 4 states have call successors, (104) Word has length 804 [2021-11-17 04:54:19,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 04:54:19,536 INFO L225 Difference]: With dead ends: 14318 [2021-11-17 04:54:19,536 INFO L226 Difference]: Without dead ends: 7841 [2021-11-17 04:54:19,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1833 GetRequests, 1804 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2021-11-17 04:54:19,553 INFO L933 BasicCegarLoop]: 2805 mSDtfsCounter, 1234 mSDsluCounter, 19467 mSDsCounter, 0 mSdLazyCounter, 7574 mSolverCounterSat, 643 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 22272 SdHoareTripleChecker+Invalid, 8239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 643 IncrementalHoareTripleChecker+Valid, 7574 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.5s IncrementalHoareTripleChecker+Time [2021-11-17 04:54:19,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1293 Valid, 22272 Invalid, 8239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [643 Valid, 7574 Invalid, 22 Unknown, 0 Unchecked, 67.5s Time] [2021-11-17 04:54:19,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7841 states. [2021-11-17 04:54:19,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7841 to 6513. [2021-11-17 04:54:19,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6513 states, 5171 states have (on average 1.4279636433958616) internal successors, (7384), 5303 states have internal predecessors, (7384), 1053 states have call successors, (1053), 285 states have call predecessors, (1053), 288 states have return successors, (1111), 1018 states have call predecessors, (1111), 1051 states have call successors, (1111) [2021-11-17 04:54:19,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6513 states to 6513 states and 9548 transitions. [2021-11-17 04:54:19,905 INFO L78 Accepts]: Start accepts. Automaton has 6513 states and 9548 transitions. Word has length 804 [2021-11-17 04:54:19,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 04:54:19,905 INFO L470 AbstractCegarLoop]: Abstraction has 6513 states and 9548 transitions. [2021-11-17 04:54:19,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 13.125) internal successors, (210), 14 states have internal predecessors, (210), 4 states have call successors, (150), 6 states have call predecessors, (150), 7 states have return successors, (104), 5 states have call predecessors, (104), 4 states have call successors, (104) [2021-11-17 04:54:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 6513 states and 9548 transitions. [2021-11-17 04:54:19,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2021-11-17 04:54:19,922 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 04:54:19,923 INFO L514 BasicCegarLoop]: trace histogram [68, 63, 63, 34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 04:54:20,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-11-17 04:54:20,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-11-17 04:54:20,140 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 04:54:20,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 04:54:20,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1820072218, now seen corresponding path program 2 times [2021-11-17 04:54:20,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 04:54:20,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973540107] [2021-11-17 04:54:20,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 04:54:20,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 04:54:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 04:54:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:54:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 04:54:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:54:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 04:54:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:54:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 04:54:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:54:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 04:54:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:54:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 04:54:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:54:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 04:54:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:20,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:54:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 04:54:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:54:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 04:54:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 04:54:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 04:54:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 04:54:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-17 04:54:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-17 04:54:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 04:54:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 04:54:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 04:54:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 04:54:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 04:54:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 04:54:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 04:54:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 04:54:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 04:54:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 04:54:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 04:54:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 04:54:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 04:54:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 04:54:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-11-17 04:54:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 04:54:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 04:54:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 04:54:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 04:54:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-11-17 04:54:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-17 04:54:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-11-17 04:54:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-11-17 04:54:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-11-17 04:54:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 04:54:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-11-17 04:54:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-11-17 04:54:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-11-17 04:54:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2021-11-17 04:54:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-11-17 04:54:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2021-11-17 04:54:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2021-11-17 04:54:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:54:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 752 [2021-11-17 04:54:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 04:54:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 795 [2021-11-17 04:54:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2021-11-17 04:54:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:21,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 04:54:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 04:54:22,179 INFO L134 CoverageAnalysis]: Checked inductivity of 14248 backedges. 137 proven. 8 refuted. 0 times theorem prover too weak. 14103 trivial. 0 not checked. [2021-11-17 04:54:22,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 04:54:22,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973540107] [2021-11-17 04:54:22,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973540107] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 04:54:22,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366031937] [2021-11-17 04:54:22,180 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 04:54:22,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 04:54:22,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 04:54:22,181 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 04:54:22,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-17 04:54:33,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-17 04:54:33,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 04:54:33,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 4879 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-17 04:54:33,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 04:54:34,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-17 04:54:56,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-17 04:54:57,841 WARN L860 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.meminit_#ptr.base| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |#Ultimate.meminit_#ptr.base| ((as const (Array Int Int)) 0)))) is different from true [2021-11-17 04:54:57,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-17 04:55:21,958 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_ldv_init_zalloc_~p~2.base_BEFORE_CALL_1 Int)) (= ((as const (Array Int Int)) 0) (select |c_#memory_int| v_ldv_init_zalloc_~p~2.base_BEFORE_CALL_1))) (exists ((|#Ultimate.meminit_#ptr.base| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |#Ultimate.meminit_#ptr.base| ((as const (Array Int Int)) 0))))) is different from true [2021-11-17 04:55:21,987 INFO L354 Elim1Store]: treesize reduction 16, result has 23.8 percent of original size [2021-11-17 04:55:21,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 16 Killed by 15