./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/Fibonacci02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26d01a9c 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/recursive/Fibonacci02.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 04:19:20,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 04:19:20,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 04:19:20,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 04:19:20,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 04:19:20,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 04:19:20,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 04:19:20,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 04:19:20,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 04:19:20,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 04:19:20,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 04:19:20,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 04:19:20,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 04:19:20,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 04:19:20,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 04:19:20,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 04:19:20,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 04:19:20,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 04:19:20,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 04:19:20,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 04:19:20,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 04:19:20,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 04:19:20,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 04:19:20,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 04:19:20,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 04:19:20,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 04:19:20,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 04:19:20,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 04:19:20,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 04:19:20,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 04:19:20,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 04:19:20,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 04:19:20,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 04:19:20,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 04:19:20,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 04:19:20,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 04:19:20,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 04:19:20,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 04:19:20,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 04:19:20,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 04:19:20,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 04:19:20,712 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-18 04:19:20,735 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 04:19:20,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 04:19:20,738 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 04:19:20,738 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 04:19:20,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 04:19:20,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 04:19:20,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 04:19:20,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 04:19:20,740 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 04:19:20,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 04:19:20,741 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 04:19:20,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 04:19:20,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 04:19:20,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 04:19:20,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 04:19:20,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 04:19:20,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 04:19:20,742 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 04:19:20,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 04:19:20,742 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 04:19:20,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 04:19:20,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 04:19:20,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 04:19:20,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 04:19:20,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 04:19:20,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 04:19:20,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 04:19:20,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 04:19:20,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 04:19:20,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 04:19:20,744 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 04:19:20,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 04:19:20,744 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 04:19:20,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 04:19:20,744 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 04:19:20,745 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 [2023-02-18 04:19:20,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 04:19:20,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 04:19:20,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 04:19:20,955 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 04:19:20,956 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 04:19:20,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Fibonacci02.c [2023-02-18 04:19:22,083 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 04:19:22,254 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 04:19:22,254 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c [2023-02-18 04:19:22,262 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76718c10/6983812dfa1d4ce69a86a6cdffc81f30/FLAGd9407699f [2023-02-18 04:19:22,281 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76718c10/6983812dfa1d4ce69a86a6cdffc81f30 [2023-02-18 04:19:22,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 04:19:22,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 04:19:22,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 04:19:22,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 04:19:22,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 04:19:22,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 04:19:22" (1/1) ... [2023-02-18 04:19:22,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7241253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:19:22, skipping insertion in model container [2023-02-18 04:19:22,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 04:19:22" (1/1) ... [2023-02-18 04:19:22,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 04:19:22,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 04:19:22,437 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2023-02-18 04:19:22,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 04:19:22,451 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 04:19:22,463 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2023-02-18 04:19:22,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 04:19:22,473 INFO L208 MainTranslator]: Completed translation [2023-02-18 04:19:22,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:19:22 WrapperNode [2023-02-18 04:19:22,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 04:19:22,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 04:19:22,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 04:19:22,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 04:19:22,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:19:22" (1/1) ... [2023-02-18 04:19:22,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:19:22" (1/1) ... [2023-02-18 04:19:22,498 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-02-18 04:19:22,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 04:19:22,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 04:19:22,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 04:19:22,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 04:19:22,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:19:22" (1/1) ... [2023-02-18 04:19:22,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:19:22" (1/1) ... [2023-02-18 04:19:22,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:19:22" (1/1) ... [2023-02-18 04:19:22,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:19:22" (1/1) ... [2023-02-18 04:19:22,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:19:22" (1/1) ... [2023-02-18 04:19:22,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:19:22" (1/1) ... [2023-02-18 04:19:22,516 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:19:22" (1/1) ... [2023-02-18 04:19:22,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:19:22" (1/1) ... [2023-02-18 04:19:22,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 04:19:22,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 04:19:22,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 04:19:22,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 04:19:22,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:19:22" (1/1) ... [2023-02-18 04:19:22,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 04:19:22,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 04:19:22,550 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) [2023-02-18 04:19:22,595 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 [2023-02-18 04:19:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2023-02-18 04:19:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2023-02-18 04:19:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 04:19:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 04:19:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 04:19:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 04:19:22,647 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 04:19:22,649 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 04:19:22,720 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 04:19:22,725 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 04:19:22,725 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-18 04:19:22,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 04:19:22 BoogieIcfgContainer [2023-02-18 04:19:22,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 04:19:22,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 04:19:22,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 04:19:22,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 04:19:22,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 04:19:22" (1/3) ... [2023-02-18 04:19:22,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb11c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 04:19:22, skipping insertion in model container [2023-02-18 04:19:22,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 04:19:22" (2/3) ... [2023-02-18 04:19:22,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb11c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 04:19:22, skipping insertion in model container [2023-02-18 04:19:22,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 04:19:22" (3/3) ... [2023-02-18 04:19:22,733 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2023-02-18 04:19:22,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 04:19:22,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 04:19:22,779 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 04:19:22,784 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@492cab3f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 04:19:22,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 04:19:22,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-18 04:19:22,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-18 04:19:22,793 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:19:22,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:19:22,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:19:22,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:19:22,800 INFO L85 PathProgramCache]: Analyzing trace with hash 117289724, now seen corresponding path program 1 times [2023-02-18 04:19:22,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:19:22,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618244255] [2023-02-18 04:19:22,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:19:22,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:19:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:22,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 04:19:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:23,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 04:19:23,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:19:23,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618244255] [2023-02-18 04:19:23,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618244255] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 04:19:23,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 04:19:23,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 04:19:23,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812051834] [2023-02-18 04:19:23,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 04:19:23,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 04:19:23,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:19:23,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 04:19:23,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 04:19:23,118 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 04:19:23,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:19:23,200 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2023-02-18 04:19:23,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 04:19:23,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-02-18 04:19:23,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:19:23,208 INFO L225 Difference]: With dead ends: 28 [2023-02-18 04:19:23,208 INFO L226 Difference]: Without dead ends: 18 [2023-02-18 04:19:23,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 04:19:23,228 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 14 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 04:19:23,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 39 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 04:19:23,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-02-18 04:19:23,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-02-18 04:19:23,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-02-18 04:19:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2023-02-18 04:19:23,254 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10 [2023-02-18 04:19:23,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:19:23,255 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-02-18 04:19:23,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 04:19:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-02-18 04:19:23,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 04:19:23,256 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:19:23,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:19:23,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 04:19:23,257 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:19:23,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:19:23,258 INFO L85 PathProgramCache]: Analyzing trace with hash 36927066, now seen corresponding path program 1 times [2023-02-18 04:19:23,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:19:23,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456980978] [2023-02-18 04:19:23,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:19:23,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:19:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:23,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 04:19:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:23,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 04:19:23,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:19:23,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456980978] [2023-02-18 04:19:23,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456980978] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 04:19:23,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 04:19:23,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 04:19:23,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651187225] [2023-02-18 04:19:23,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 04:19:23,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 04:19:23,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:19:23,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 04:19:23,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-18 04:19:23,308 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 04:19:23,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:19:23,337 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2023-02-18 04:19:23,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 04:19:23,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-02-18 04:19:23,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:19:23,338 INFO L225 Difference]: With dead ends: 24 [2023-02-18 04:19:23,338 INFO L226 Difference]: Without dead ends: 20 [2023-02-18 04:19:23,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 04:19:23,339 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 04:19:23,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 30 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 04:19:23,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2023-02-18 04:19:23,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2023-02-18 04:19:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-02-18 04:19:23,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2023-02-18 04:19:23,345 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2023-02-18 04:19:23,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:19:23,345 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-02-18 04:19:23,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-18 04:19:23,346 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-02-18 04:19:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-18 04:19:23,346 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:19:23,347 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:19:23,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 04:19:23,347 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:19:23,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:19:23,348 INFO L85 PathProgramCache]: Analyzing trace with hash 703243533, now seen corresponding path program 1 times [2023-02-18 04:19:23,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:19:23,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890887501] [2023-02-18 04:19:23,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:19:23,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:19:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:23,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 04:19:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:23,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:23,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-02-18 04:19:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:23,448 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-18 04:19:23,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:19:23,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890887501] [2023-02-18 04:19:23,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890887501] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 04:19:23,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023691613] [2023-02-18 04:19:23,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:19:23,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:23,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 04:19:23,452 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) [2023-02-18 04:19:23,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 04:19:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:23,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-18 04:19:23,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 04:19:23,577 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-18 04:19:23,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 04:19:23,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-18 04:19:23,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023691613] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 04:19:23,684 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 04:19:23,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2023-02-18 04:19:23,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090937859] [2023-02-18 04:19:23,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 04:19:23,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-18 04:19:23,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:19:23,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-18 04:19:23,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-02-18 04:19:23,686 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2023-02-18 04:19:23,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:19:23,795 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2023-02-18 04:19:23,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-18 04:19:23,796 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) Word has length 23 [2023-02-18 04:19:23,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:19:23,797 INFO L225 Difference]: With dead ends: 35 [2023-02-18 04:19:23,797 INFO L226 Difference]: Without dead ends: 20 [2023-02-18 04:19:23,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 5 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2023-02-18 04:19:23,798 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 27 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 04:19:23,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 61 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 04:19:23,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2023-02-18 04:19:23,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-02-18 04:19:23,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-02-18 04:19:23,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2023-02-18 04:19:23,804 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 23 [2023-02-18 04:19:23,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:19:23,805 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2023-02-18 04:19:23,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2023-02-18 04:19:23,811 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-02-18 04:19:23,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-18 04:19:23,812 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:19:23,812 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:19:23,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-18 04:19:24,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:24,018 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:19:24,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:19:24,018 INFO L85 PathProgramCache]: Analyzing trace with hash 187716987, now seen corresponding path program 1 times [2023-02-18 04:19:24,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:19:24,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136421446] [2023-02-18 04:19:24,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:19:24,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:19:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:24,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 04:19:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:24,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:24,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:24,171 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-02-18 04:19:24,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:19:24,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136421446] [2023-02-18 04:19:24,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136421446] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 04:19:24,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073301528] [2023-02-18 04:19:24,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:19:24,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:24,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 04:19:24,185 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) [2023-02-18 04:19:24,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-18 04:19:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:24,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-18 04:19:24,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 04:19:24,245 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-02-18 04:19:24,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 04:19:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-18 04:19:24,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073301528] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 04:19:24,317 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 04:19:24,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2023-02-18 04:19:24,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853349467] [2023-02-18 04:19:24,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 04:19:24,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-18 04:19:24,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:19:24,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-18 04:19:24,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-02-18 04:19:24,319 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-18 04:19:24,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:19:24,423 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2023-02-18 04:19:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-18 04:19:24,424 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) Word has length 24 [2023-02-18 04:19:24,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:19:24,426 INFO L225 Difference]: With dead ends: 38 [2023-02-18 04:19:24,427 INFO L226 Difference]: Without dead ends: 34 [2023-02-18 04:19:24,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 6 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2023-02-18 04:19:24,428 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 24 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 04:19:24,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 56 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 04:19:24,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-02-18 04:19:24,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-02-18 04:19:24,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2023-02-18 04:19:24,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2023-02-18 04:19:24,439 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 24 [2023-02-18 04:19:24,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:19:24,440 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2023-02-18 04:19:24,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-18 04:19:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2023-02-18 04:19:24,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-02-18 04:19:24,441 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:19:24,441 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:19:24,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-18 04:19:24,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-02-18 04:19:24,648 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:19:24,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:19:24,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1151618030, now seen corresponding path program 2 times [2023-02-18 04:19:24,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:19:24,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438170429] [2023-02-18 04:19:24,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:19:24,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:19:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 04:19:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:24,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:24,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:24,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-02-18 04:19:24,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:19:24,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438170429] [2023-02-18 04:19:24,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438170429] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 04:19:24,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023663494] [2023-02-18 04:19:24,780 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 04:19:24,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:24,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 04:19:24,781 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) [2023-02-18 04:19:24,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-18 04:19:24,816 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 04:19:24,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 04:19:24,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-18 04:19:24,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 04:19:24,857 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-02-18 04:19:24,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 04:19:24,969 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-02-18 04:19:24,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023663494] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 04:19:24,970 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 04:19:24,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 17 [2023-02-18 04:19:24,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310646217] [2023-02-18 04:19:24,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 04:19:24,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-02-18 04:19:24,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:19:24,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-02-18 04:19:24,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2023-02-18 04:19:24,986 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) [2023-02-18 04:19:25,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:19:25,128 INFO L93 Difference]: Finished difference Result 69 states and 106 transitions. [2023-02-18 04:19:25,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-18 04:19:25,129 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) Word has length 37 [2023-02-18 04:19:25,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:19:25,132 INFO L225 Difference]: With dead ends: 69 [2023-02-18 04:19:25,132 INFO L226 Difference]: Without dead ends: 38 [2023-02-18 04:19:25,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 72 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2023-02-18 04:19:25,135 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 27 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 04:19:25,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 90 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 04:19:25,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-02-18 04:19:25,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-02-18 04:19:25,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (11), 7 states have call predecessors, (11), 5 states have call successors, (11) [2023-02-18 04:19:25,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2023-02-18 04:19:25,150 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 37 [2023-02-18 04:19:25,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:19:25,151 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2023-02-18 04:19:25,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) [2023-02-18 04:19:25,151 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-02-18 04:19:25,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-02-18 04:19:25,153 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:19:25,153 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:19:25,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-02-18 04:19:25,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:25,358 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:19:25,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:19:25,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1673648870, now seen corresponding path program 3 times [2023-02-18 04:19:25,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:19:25,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219806878] [2023-02-18 04:19:25,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:19:25,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:19:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:25,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 04:19:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:25,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:25,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:25,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:25,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:25,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:25,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:25,674 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-02-18 04:19:25,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:19:25,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219806878] [2023-02-18 04:19:25,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219806878] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 04:19:25,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345794751] [2023-02-18 04:19:25,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 04:19:25,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:25,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 04:19:25,679 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) [2023-02-18 04:19:25,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-18 04:19:25,731 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-02-18 04:19:25,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 04:19:25,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-18 04:19:25,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 04:19:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 22 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-02-18 04:19:25,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 04:19:25,865 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 29 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-02-18 04:19:25,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345794751] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 04:19:25,865 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 04:19:25,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2023-02-18 04:19:25,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471416287] [2023-02-18 04:19:25,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 04:19:25,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-02-18 04:19:25,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:19:25,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-02-18 04:19:25,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-02-18 04:19:25,871 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (17), 11 states have call predecessors, (17), 10 states have call successors, (17) [2023-02-18 04:19:25,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:19:25,980 INFO L93 Difference]: Finished difference Result 85 states and 124 transitions. [2023-02-18 04:19:25,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-18 04:19:25,980 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (17), 11 states have call predecessors, (17), 10 states have call successors, (17) Word has length 65 [2023-02-18 04:19:25,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:19:25,982 INFO L225 Difference]: With dead ends: 85 [2023-02-18 04:19:25,982 INFO L226 Difference]: Without dead ends: 50 [2023-02-18 04:19:25,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 133 SyntacticMatches, 8 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-02-18 04:19:25,983 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 31 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 04:19:25,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 73 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 04:19:25,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-02-18 04:19:25,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2023-02-18 04:19:25,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 7 states have call successors, (7), 5 states have call predecessors, (7), 6 states have return successors, (16), 9 states have call predecessors, (16), 7 states have call successors, (16) [2023-02-18 04:19:25,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2023-02-18 04:19:25,988 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 65 [2023-02-18 04:19:25,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:19:25,989 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2023-02-18 04:19:25,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (17), 11 states have call predecessors, (17), 10 states have call successors, (17) [2023-02-18 04:19:25,989 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-02-18 04:19:25,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-02-18 04:19:25,990 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:19:25,990 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:19:25,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-18 04:19:26,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:26,212 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:19:26,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:19:26,212 INFO L85 PathProgramCache]: Analyzing trace with hash 917554903, now seen corresponding path program 4 times [2023-02-18 04:19:26,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:19:26,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777954592] [2023-02-18 04:19:26,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:19:26,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:19:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 04:19:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:26,687 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 198 proven. 308 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2023-02-18 04:19:26,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:19:26,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777954592] [2023-02-18 04:19:26,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777954592] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 04:19:26,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368235541] [2023-02-18 04:19:26,687 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-18 04:19:26,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:26,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 04:19:26,702 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) [2023-02-18 04:19:26,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-18 04:19:26,771 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-18 04:19:26,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 04:19:26,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-18 04:19:26,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 04:19:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 52 proven. 326 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-02-18 04:19:26,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 04:19:26,940 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 52 proven. 352 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2023-02-18 04:19:26,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368235541] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 04:19:26,940 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 04:19:26,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 9, 13] total 27 [2023-02-18 04:19:26,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284461333] [2023-02-18 04:19:26,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 04:19:26,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-02-18 04:19:26,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:19:26,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-02-18 04:19:26,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2023-02-18 04:19:26,942 INFO L87 Difference]: Start difference. First operand 47 states and 61 transitions. Second operand has 27 states, 25 states have (on average 2.68) internal successors, (67), 27 states have internal predecessors, (67), 20 states have call successors, (22), 1 states have call predecessors, (22), 10 states have return successors, (31), 16 states have call predecessors, (31), 20 states have call successors, (31) [2023-02-18 04:19:27,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:19:27,178 INFO L93 Difference]: Finished difference Result 112 states and 192 transitions. [2023-02-18 04:19:27,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-18 04:19:27,179 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 2.68) internal successors, (67), 27 states have internal predecessors, (67), 20 states have call successors, (22), 1 states have call predecessors, (22), 10 states have return successors, (31), 16 states have call predecessors, (31), 20 states have call successors, (31) Word has length 133 [2023-02-18 04:19:27,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:19:27,180 INFO L225 Difference]: With dead ends: 112 [2023-02-18 04:19:27,180 INFO L226 Difference]: Without dead ends: 71 [2023-02-18 04:19:27,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 281 SyntacticMatches, 15 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=349, Invalid=983, Unknown=0, NotChecked=0, Total=1332 [2023-02-18 04:19:27,182 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 74 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 04:19:27,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 150 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 04:19:27,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-02-18 04:19:27,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2023-02-18 04:19:27,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 46 states have internal predecessors, (53), 11 states have call successors, (11), 9 states have call predecessors, (11), 7 states have return successors, (25), 11 states have call predecessors, (25), 11 states have call successors, (25) [2023-02-18 04:19:27,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2023-02-18 04:19:27,189 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 133 [2023-02-18 04:19:27,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:19:27,189 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2023-02-18 04:19:27,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 2.68) internal successors, (67), 27 states have internal predecessors, (67), 20 states have call successors, (22), 1 states have call predecessors, (22), 10 states have return successors, (31), 16 states have call predecessors, (31), 20 states have call successors, (31) [2023-02-18 04:19:27,189 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2023-02-18 04:19:27,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-02-18 04:19:27,191 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:19:27,191 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:19:27,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-18 04:19:27,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:27,396 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:19:27,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:19:27,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1778838455, now seen corresponding path program 5 times [2023-02-18 04:19:27,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:19:27,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891502594] [2023-02-18 04:19:27,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:19:27,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:19:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 04:19:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-18 04:19:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:27,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 403 proven. 706 refuted. 0 times theorem prover too weak. 1471 trivial. 0 not checked. [2023-02-18 04:19:27,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:19:27,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891502594] [2023-02-18 04:19:27,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891502594] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 04:19:27,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414083323] [2023-02-18 04:19:27,994 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-18 04:19:27,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:27,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 04:19:27,996 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) [2023-02-18 04:19:28,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-18 04:19:28,098 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2023-02-18 04:19:28,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 04:19:28,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 20 conjunts are in the unsatisfiable core [2023-02-18 04:19:28,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 04:19:28,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 630 proven. 571 refuted. 0 times theorem prover too weak. 1379 trivial. 0 not checked. [2023-02-18 04:19:28,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 04:19:28,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 632 proven. 605 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2023-02-18 04:19:28,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414083323] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 04:19:28,452 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 04:19:28,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 14, 21] total 34 [2023-02-18 04:19:28,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233391635] [2023-02-18 04:19:28,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 04:19:28,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-02-18 04:19:28,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:19:28,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-02-18 04:19:28,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=868, Unknown=0, NotChecked=0, Total=1122 [2023-02-18 04:19:28,454 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand has 34 states, 33 states have (on average 2.757575757575758) internal successors, (91), 34 states have internal predecessors, (91), 24 states have call successors, (31), 1 states have call predecessors, (31), 13 states have return successors, (42), 21 states have call predecessors, (42), 24 states have call successors, (42) [2023-02-18 04:19:28,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:19:28,821 INFO L93 Difference]: Finished difference Result 147 states and 243 transitions. [2023-02-18 04:19:28,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-02-18 04:19:28,833 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 2.757575757575758) internal successors, (91), 34 states have internal predecessors, (91), 24 states have call successors, (31), 1 states have call predecessors, (31), 13 states have return successors, (42), 21 states have call predecessors, (42), 24 states have call successors, (42) Word has length 215 [2023-02-18 04:19:28,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:19:28,834 INFO L225 Difference]: With dead ends: 147 [2023-02-18 04:19:28,834 INFO L226 Difference]: Without dead ends: 91 [2023-02-18 04:19:28,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 452 SyntacticMatches, 26 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1027 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=650, Invalid=2002, Unknown=0, NotChecked=0, Total=2652 [2023-02-18 04:19:28,836 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 129 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 04:19:28,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 158 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 04:19:28,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-02-18 04:19:28,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2023-02-18 04:19:28,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 60 states have (on average 1.0333333333333334) internal successors, (62), 58 states have internal predecessors, (62), 15 states have call successors, (15), 12 states have call predecessors, (15), 8 states have return successors, (36), 13 states have call predecessors, (36), 15 states have call successors, (36) [2023-02-18 04:19:28,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2023-02-18 04:19:28,857 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 215 [2023-02-18 04:19:28,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:19:28,857 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2023-02-18 04:19:28,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 2.757575757575758) internal successors, (91), 34 states have internal predecessors, (91), 24 states have call successors, (31), 1 states have call predecessors, (31), 13 states have return successors, (42), 21 states have call predecessors, (42), 24 states have call successors, (42) [2023-02-18 04:19:28,858 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2023-02-18 04:19:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-02-18 04:19:28,860 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:19:28,860 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 38, 23, 23, 23, 23, 23, 23, 23, 15, 9, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:19:28,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-02-18 04:19:29,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:29,067 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:19:29,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:19:29,067 INFO L85 PathProgramCache]: Analyzing trace with hash 88549517, now seen corresponding path program 6 times [2023-02-18 04:19:29,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:19:29,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210444558] [2023-02-18 04:19:29,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:19:29,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:19:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 04:19:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-18 04:19:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-02-18 04:19:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-18 04:19:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 1307 proven. 1260 refuted. 0 times theorem prover too weak. 3472 trivial. 0 not checked. [2023-02-18 04:19:29,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:19:29,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210444558] [2023-02-18 04:19:29,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210444558] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 04:19:29,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095673026] [2023-02-18 04:19:29,944 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-18 04:19:29,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:29,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 04:19:29,951 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) [2023-02-18 04:19:29,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-18 04:19:30,065 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2023-02-18 04:19:30,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 04:19:30,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 14 conjunts are in the unsatisfiable core [2023-02-18 04:19:30,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 04:19:30,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 346 proven. 1004 refuted. 0 times theorem prover too weak. 4689 trivial. 0 not checked. [2023-02-18 04:19:30,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 04:19:30,302 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 350 proven. 1040 refuted. 0 times theorem prover too weak. 4649 trivial. 0 not checked. [2023-02-18 04:19:30,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095673026] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 04:19:30,303 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 04:19:30,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 10, 15] total 32 [2023-02-18 04:19:30,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453890349] [2023-02-18 04:19:30,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 04:19:30,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-02-18 04:19:30,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:19:30,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-02-18 04:19:30,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=759, Unknown=0, NotChecked=0, Total=992 [2023-02-18 04:19:30,309 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand has 32 states, 30 states have (on average 2.6333333333333333) internal successors, (79), 32 states have internal predecessors, (79), 23 states have call successors, (28), 1 states have call predecessors, (28), 12 states have return successors, (41), 23 states have call predecessors, (41), 23 states have call successors, (41) [2023-02-18 04:19:30,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:19:30,646 INFO L93 Difference]: Finished difference Result 193 states and 312 transitions. [2023-02-18 04:19:30,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-02-18 04:19:30,647 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 2.6333333333333333) internal successors, (79), 32 states have internal predecessors, (79), 23 states have call successors, (28), 1 states have call predecessors, (28), 12 states have return successors, (41), 23 states have call predecessors, (41), 23 states have call successors, (41) Word has length 324 [2023-02-18 04:19:30,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:19:30,649 INFO L225 Difference]: With dead ends: 193 [2023-02-18 04:19:30,649 INFO L226 Difference]: Without dead ends: 120 [2023-02-18 04:19:30,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 788 GetRequests, 720 SyntacticMatches, 19 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 933 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=624, Invalid=1926, Unknown=0, NotChecked=0, Total=2550 [2023-02-18 04:19:30,651 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 119 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 04:19:30,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 188 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 04:19:30,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-02-18 04:19:30,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 105. [2023-02-18 04:19:30,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 75 states have (on average 1.04) internal successors, (78), 73 states have internal predecessors, (78), 20 states have call successors, (20), 16 states have call predecessors, (20), 9 states have return successors, (46), 15 states have call predecessors, (46), 20 states have call successors, (46) [2023-02-18 04:19:30,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 144 transitions. [2023-02-18 04:19:30,663 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 144 transitions. Word has length 324 [2023-02-18 04:19:30,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:19:30,664 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 144 transitions. [2023-02-18 04:19:30,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 30 states have (on average 2.6333333333333333) internal successors, (79), 32 states have internal predecessors, (79), 23 states have call successors, (28), 1 states have call predecessors, (28), 12 states have return successors, (41), 23 states have call predecessors, (41), 23 states have call successors, (41) [2023-02-18 04:19:30,664 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2023-02-18 04:19:30,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2023-02-18 04:19:30,670 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:19:30,671 INFO L195 NwaCegarLoop]: trace histogram [93, 93, 75, 46, 46, 46, 46, 46, 46, 46, 29, 18, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:19:30,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-18 04:19:30,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:30,895 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:19:30,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:19:30,895 INFO L85 PathProgramCache]: Analyzing trace with hash 793898644, now seen corresponding path program 7 times [2023-02-18 04:19:30,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:19:30,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384433396] [2023-02-18 04:19:30,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:19:30,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:19:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:31,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 04:19:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:31,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-18 04:19:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-02-18 04:19:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-02-18 04:19:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-18 04:19:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-02-18 04:19:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-02-18 04:19:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 24027 backedges. 2111 proven. 4081 refuted. 0 times theorem prover too weak. 17835 trivial. 0 not checked. [2023-02-18 04:19:32,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:19:32,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384433396] [2023-02-18 04:19:32,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384433396] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 04:19:32,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119888725] [2023-02-18 04:19:32,967 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-18 04:19:32,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:32,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 04:19:32,968 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) [2023-02-18 04:19:32,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-18 04:19:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:33,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-18 04:19:33,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 04:19:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 24027 backedges. 426 proven. 3361 refuted. 0 times theorem prover too weak. 20240 trivial. 0 not checked. [2023-02-18 04:19:33,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 04:19:33,507 INFO L134 CoverageAnalysis]: Checked inductivity of 24027 backedges. 426 proven. 3438 refuted. 0 times theorem prover too weak. 20163 trivial. 0 not checked. [2023-02-18 04:19:33,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119888725] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 04:19:33,508 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 04:19:33,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 12, 19] total 39 [2023-02-18 04:19:33,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002587039] [2023-02-18 04:19:33,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 04:19:33,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-02-18 04:19:33,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:19:33,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-02-18 04:19:33,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=1125, Unknown=0, NotChecked=0, Total=1482 [2023-02-18 04:19:33,510 INFO L87 Difference]: Start difference. First operand 105 states and 144 transitions. Second operand has 39 states, 38 states have (on average 2.526315789473684) internal successors, (96), 39 states have internal predecessors, (96), 30 states have call successors, (33), 1 states have call predecessors, (33), 16 states have return successors, (51), 28 states have call predecessors, (51), 30 states have call successors, (51) [2023-02-18 04:19:33,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:19:33,993 INFO L93 Difference]: Finished difference Result 236 states and 390 transitions. [2023-02-18 04:19:33,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-02-18 04:19:33,993 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 2.526315789473684) internal successors, (96), 39 states have internal predecessors, (96), 30 states have call successors, (33), 1 states have call predecessors, (33), 16 states have return successors, (51), 28 states have call predecessors, (51), 30 states have call successors, (51) Word has length 637 [2023-02-18 04:19:33,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:19:33,995 INFO L225 Difference]: With dead ends: 236 [2023-02-18 04:19:33,995 INFO L226 Difference]: Without dead ends: 146 [2023-02-18 04:19:33,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1512 GetRequests, 1425 SyntacticMatches, 25 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1569 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=967, Invalid=3065, Unknown=0, NotChecked=0, Total=4032 [2023-02-18 04:19:33,997 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 200 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-18 04:19:33,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 201 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [473 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-18 04:19:33,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-02-18 04:19:34,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 122. [2023-02-18 04:19:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 87 states have (on average 1.0344827586206897) internal successors, (90), 85 states have internal predecessors, (90), 24 states have call successors, (24), 19 states have call predecessors, (24), 10 states have return successors, (58), 17 states have call predecessors, (58), 24 states have call successors, (58) [2023-02-18 04:19:34,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 172 transitions. [2023-02-18 04:19:34,014 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 172 transitions. Word has length 637 [2023-02-18 04:19:34,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:19:34,014 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 172 transitions. [2023-02-18 04:19:34,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 2.526315789473684) internal successors, (96), 39 states have internal predecessors, (96), 30 states have call successors, (33), 1 states have call predecessors, (33), 16 states have return successors, (51), 28 states have call predecessors, (51), 30 states have call successors, (51) [2023-02-18 04:19:34,014 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 172 transitions. [2023-02-18 04:19:34,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2023-02-18 04:19:34,025 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:19:34,025 INFO L195 NwaCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:19:34,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-18 04:19:34,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-02-18 04:19:34,232 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:19:34,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:19:34,233 INFO L85 PathProgramCache]: Analyzing trace with hash 597528604, now seen corresponding path program 8 times [2023-02-18 04:19:34,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:19:34,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810289036] [2023-02-18 04:19:34,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:19:34,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:19:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:41,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 04:19:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:44,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:45,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:45,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:45,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:45,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:45,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:45,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-18 04:19:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-02-18 04:19:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-02-18 04:19:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-18 04:19:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2023-02-18 04:19:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:46,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-18 04:19:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-02-18 04:19:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:47,317 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2023-02-18 04:19:47,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:19:47,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810289036] [2023-02-18 04:19:47,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810289036] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 04:19:47,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136426462] [2023-02-18 04:19:47,318 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 04:19:47,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:47,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 04:19:47,319 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) [2023-02-18 04:19:47,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-18 04:19:47,599 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 04:19:47,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 04:19:47,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 439 conjunts are in the unsatisfiable core [2023-02-18 04:19:47,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 04:19:49,651 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2023-02-18 04:19:49,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 04:19:52,377 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2023-02-18 04:19:52,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136426462] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 04:19:52,378 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 04:19:52,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2023-02-18 04:19:52,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703107454] [2023-02-18 04:19:52,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 04:19:52,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-02-18 04:19:52,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:19:52,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-02-18 04:19:52,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2023-02-18 04:19:52,381 INFO L87 Difference]: Start difference. First operand 122 states and 172 transitions. Second operand has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) [2023-02-18 04:19:52,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:19:52,820 INFO L93 Difference]: Finished difference Result 143 states and 220 transitions. [2023-02-18 04:19:52,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-02-18 04:19:52,820 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) Word has length 746 [2023-02-18 04:19:52,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:19:52,823 INFO L225 Difference]: With dead ends: 143 [2023-02-18 04:19:52,823 INFO L226 Difference]: Without dead ends: 139 [2023-02-18 04:19:52,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1929 GetRequests, 1532 SyntacticMatches, 363 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1765 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2023-02-18 04:19:52,823 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-18 04:19:52,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 971 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-18 04:19:52,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-02-18 04:19:52,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 132. [2023-02-18 04:19:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 93 states have (on average 1.032258064516129) internal successors, (96), 91 states have internal predecessors, (96), 26 states have call successors, (26), 19 states have call predecessors, (26), 12 states have return successors, (80), 21 states have call predecessors, (80), 26 states have call successors, (80) [2023-02-18 04:19:52,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 202 transitions. [2023-02-18 04:19:52,850 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 202 transitions. Word has length 746 [2023-02-18 04:19:52,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:19:52,851 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 202 transitions. [2023-02-18 04:19:52,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) [2023-02-18 04:19:52,851 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 202 transitions. [2023-02-18 04:19:52,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1142 [2023-02-18 04:19:52,869 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 04:19:52,869 INFO L195 NwaCegarLoop]: trace histogram [167, 167, 135, 83, 83, 83, 83, 83, 83, 83, 52, 32, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 04:19:52,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-18 04:19:53,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:53,076 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 04:19:53,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 04:19:53,077 INFO L85 PathProgramCache]: Analyzing trace with hash -18297609, now seen corresponding path program 9 times [2023-02-18 04:19:53,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 04:19:53,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063929415] [2023-02-18 04:19:53,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 04:19:53,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 04:19:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:54,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 04:19:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:54,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-18 04:19:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-02-18 04:19:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-02-18 04:19:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2023-02-18 04:19:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-18 04:19:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2023-02-18 04:19:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-18 04:19:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-02-18 04:19:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:55,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-02-18 04:19:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2023-02-18 04:19:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-18 04:19:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-18 04:19:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-18 04:19:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-18 04:19:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-18 04:19:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 04:19:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 04:19:56,120 INFO L134 CoverageAnalysis]: Checked inductivity of 78101 backedges. 2273 proven. 8133 refuted. 0 times theorem prover too weak. 67695 trivial. 0 not checked. [2023-02-18 04:19:56,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 04:19:56,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063929415] [2023-02-18 04:19:56,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063929415] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 04:19:56,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889734140] [2023-02-18 04:19:56,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 04:19:56,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 04:19:56,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 04:19:56,122 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) [2023-02-18 04:19:56,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-18 04:19:56,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2023-02-18 04:19:56,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 04:19:56,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-18 04:19:56,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 04:19:56,443 INFO L134 CoverageAnalysis]: Checked inductivity of 78101 backedges. 1219 proven. 7041 refuted. 0 times theorem prover too weak. 69841 trivial. 0 not checked. [2023-02-18 04:19:56,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 04:19:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 78101 backedges. 1211 proven. 7141 refuted. 0 times theorem prover too weak. 69749 trivial. 0 not checked. [2023-02-18 04:19:56,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889734140] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 04:19:56,773 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 04:19:56,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 14, 22] total 40 [2023-02-18 04:19:56,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079270103] [2023-02-18 04:19:56,774 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 04:19:56,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-02-18 04:19:56,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 04:19:56,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-02-18 04:19:56,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=1201, Unknown=0, NotChecked=0, Total=1560 [2023-02-18 04:19:56,776 INFO L87 Difference]: Start difference. First operand 132 states and 202 transitions. Second operand has 40 states, 39 states have (on average 2.5641025641025643) internal successors, (100), 40 states have internal predecessors, (100), 31 states have call successors, (35), 1 states have call predecessors, (35), 16 states have return successors, (52), 25 states have call predecessors, (52), 31 states have call successors, (52) [2023-02-18 04:19:57,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 04:19:57,229 INFO L93 Difference]: Finished difference Result 278 states and 509 transitions. [2023-02-18 04:19:57,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-02-18 04:19:57,230 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 2.5641025641025643) internal successors, (100), 40 states have internal predecessors, (100), 31 states have call successors, (35), 1 states have call predecessors, (35), 16 states have return successors, (52), 25 states have call predecessors, (52), 31 states have call successors, (52) Word has length 1141 [2023-02-18 04:19:57,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 04:19:57,230 INFO L225 Difference]: With dead ends: 278 [2023-02-18 04:19:57,231 INFO L226 Difference]: Without dead ends: 0 [2023-02-18 04:19:57,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2653 GetRequests, 2577 SyntacticMatches, 25 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=674, Invalid=2082, Unknown=0, NotChecked=0, Total=2756 [2023-02-18 04:19:57,233 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 118 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-18 04:19:57,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 286 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-18 04:19:57,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-18 04:19:57,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-18 04:19:57,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 04:19:57,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-18 04:19:57,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1141 [2023-02-18 04:19:57,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 04:19:57,234 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 04:19:57,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 2.5641025641025643) internal successors, (100), 40 states have internal predecessors, (100), 31 states have call successors, (35), 1 states have call predecessors, (35), 16 states have return successors, (52), 25 states have call predecessors, (52), 31 states have call successors, (52) [2023-02-18 04:19:57,234 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-18 04:19:57,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-18 04:19:57,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-18 04:19:57,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-18 04:19:57,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-02-18 04:19:57,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-18 04:19:57,458 INFO L899 garLoopResultBuilder]: For program point fibonacciFINAL(lines 16 24) no Hoare annotation was computed. [2023-02-18 04:19:57,463 INFO L895 garLoopResultBuilder]: At program point L22(line 22) the Hoare annotation is: (let ((.cse33 (* (- 1) |fibonacci_#in~n|))) (let ((.cse11 (not (<= 0 (+ 1 .cse33)))) (.cse3 (not (<= 1 |fibonacci_#in~n|)))) (let ((.cse12 (<= 3 |fibonacci_#in~n|)) (.cse13 (<= 0 (+ (- 5) fibonacci_~n))) (.cse26 (<= fibonacci_~n 4)) (.cse15 (<= .cse33 (- 4))) (.cse27 (<= 0 (+ (- 2) fibonacci_~n))) (.cse16 (not (<= (+ (- 1) fibonacci_~n) 0))) (.cse17 (= fibonacci_~n |fibonacci_#in~n|)) (.cse38 (let ((.cse39 (or .cse11 .cse3))) (and (or (and .cse39 (or .cse11 (and (or (and (or .cse11 (not (<= |fibonacci_#in~n| 1))) .cse11) .cse11) .cse11) .cse3)) .cse11) .cse39))) (.cse2 (not (<= .cse33 (- 1))))) (let ((.cse8 (or .cse38 .cse2 .cse11)) (.cse22 (and .cse26 .cse15 .cse27 .cse16 .cse17)) (.cse21 (not (<= 0 (+ 4 .cse33)))) (.cse32 (not (<= |fibonacci_#in~n| 0))) (.cse9 (or .cse2 .cse11 .cse3)) (.cse29 (not (<= .cse33 (- 7)))) (.cse1 (and .cse13 .cse27 .cse16 .cse17)) (.cse5 (and .cse12 (<= fibonacci_~n 3) .cse27 .cse16 .cse17)) (.cse7 (not (<= 0 (+ 3 .cse33)))) (.cse30 (<= 0 (+ (- 6) fibonacci_~n))) (.cse31 (not (<= .cse33 (- 6)))) (.cse6 (not .cse12)) (.cse28 (<= 0 (+ (- 7) fibonacci_~n))) (.cse4 (and .cse27 .cse16 .cse17)) (.cse34 (and .cse15 .cse27 .cse16 .cse17)) (.cse18 (not .cse15)) (.cse0 (not (<= .cse33 (- 5)))) (.cse14 (<= fibonacci_~n 5)) (.cse20 (not (<= 0 (+ 5 .cse33)))) (.cse10 (or .cse38 .cse11)) (.cse19 (not (<= .cse33 (- 2)))) (.cse24 (and (<= fibonacci_~n 2) .cse27 .cse16 .cse17)) (.cse25 (not (<= 0 (+ 2 .cse33)))) (.cse23 (not (<= 0 (+ (- 2) |fibonacci_#in~n|))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3) (or .cse5 .cse2 .cse6 .cse7 .cse3) (or (and .cse8 .cse9 .cse10) .cse11) (or (and .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) .cse18 .cse0 .cse6 .cse19 .cse20) (or .cse18 .cse21 .cse22 .cse23 .cse3) (or .cse2 .cse24 .cse25 .cse23 .cse3) .cse8 (or .cse18 (and (or (and .cse12 .cse26 .cse15 .cse27 .cse16 .cse17) .cse22) .cse15 .cse16 .cse17) (and (or .cse18 .cse21 .cse6 .cse19) (or .cse18 .cse21 .cse23))) (or .cse0 (and .cse12 .cse13 .cse16 .cse17) .cse6 .cse19 .cse23) (or .cse18 (and .cse28 .cse15 .cse27 .cse16 .cse17) .cse29 .cse23) (or .cse18 (and .cse15 .cse30 .cse27 .cse16 .cse17) .cse31 .cse23) (or .cse32 .cse11) (or .cse18 (and (<= 0 (+ (- 3) fibonacci_~n)) .cse15 .cse30 .cse16 .cse17) (not (<= .cse33 (- 3))) .cse31) .cse32 (or .cse5 .cse6 .cse19 .cse23 .cse7) .cse9 (or .cse2 .cse4 .cse23 .cse3) (or .cse18 .cse0 (and .cse28 .cse12 .cse13 .cse15 .cse16 .cse17) .cse6 .cse29 .cse19) (or .cse0 .cse1 .cse23 .cse3) (or (not (<= 0 (+ 6 .cse33))) .cse18 .cse0 .cse6 .cse19 .cse31 (and .cse12 .cse13 .cse15 .cse30 (<= fibonacci_~n 6) .cse16 .cse17)) (or .cse2 .cse6 .cse3 (and .cse12 .cse27 .cse16 .cse17)) (or .cse5 (and (or .cse23 .cse7) (or .cse23 .cse7 .cse3)) .cse6) (or (and .cse30 .cse27 .cse16 .cse17) .cse31 .cse23 .cse3) (or .cse18 .cse23 .cse34) (let ((.cse35 (<= 8 |fibonacci_#in~n|))) (or .cse18 .cse0 .cse6 .cse19 (and .cse35 .cse28 .cse12 .cse13 .cse15 (<= 0 (+ fibonacci_~n (- 8))) .cse16 .cse17) (not .cse35))) (or .cse0 (not (<= 0 (+ (- 7) |fibonacci_#in~n|))) .cse19 (and .cse28 .cse13 (<= 0 (+ (- 4) fibonacci_~n)) .cse16 .cse17) (not (<= 0 (+ (- 4) |fibonacci_#in~n|))) (not (<= 0 (+ (- 5) |fibonacci_#in~n|)))) (or .cse4 .cse23 .cse3) (or .cse18 .cse2 .cse3 .cse34) (or .cse18 .cse0 (and .cse13 .cse14 .cse15 .cse27 .cse16 .cse17) .cse23 .cse20) .cse10 (or (let ((.cse36 (let ((.cse37 (and (or .cse25 .cse19 .cse23) (or .cse25 .cse23)))) (and (or .cse37 .cse25 .cse23) (or .cse37 .cse25))))) (and (or .cse25 .cse36 .cse23) (or .cse2 .cse25 .cse36) (or .cse25 .cse36))) .cse24 .cse25 .cse23)))))) [2023-02-18 04:19:57,463 INFO L899 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2023-02-18 04:19:57,464 INFO L895 garLoopResultBuilder]: At program point L22-2(line 22) the Hoare annotation is: (let ((.cse42 (* (- 1) |fibonacci_#in~n|))) (let ((.cse26 (not (<= 0 (+ 1 .cse42)))) (.cse19 (not (<= 1 |fibonacci_#in~n|))) (.cse36 (<= .cse42 (- 4))) (.cse59 (<= 3 |fibonacci_#in~n|))) (let ((.cse11 (not .cse59)) (.cse12 (not (<= .cse42 (- 2)))) (.cse21 (not .cse36)) (.cse31 (not (<= 0 (+ 4 .cse42)))) (.cse13 (not (<= 0 (+ (- 2) |fibonacci_#in~n|)))) (.cse60 (<= 0 (+ (- 1) |fibonacci_#t~ret4|))) (.cse62 (<= |fibonacci_#t~ret4| 1)) (.cse48 (<= fibonacci_~n 7)) (.cse50 (<= |fibonacci_#in~n| 7)) (.cse44 (<= 8 |fibonacci_#in~n|)) (.cse57 (<= fibonacci_~n 8)) (.cse58 (<= |fibonacci_#in~n| 8)) (.cse46 (<= 0 (+ (- 7) fibonacci_~n))) (.cse65 (<= 0 (+ fibonacci_~n (- 8)))) (.cse52 (<= fibonacci_~n 2)) (.cse63 (<= |fibonacci_#in~n| 2)) (.cse37 (<= 0 (+ (- 2) fibonacci_~n))) (.cse53 (<= fibonacci_~n 5)) (.cse54 (<= |fibonacci_#in~n| 5)) (.cse47 (<= 0 (+ (- 5) fibonacci_~n))) (.cse49 (<= 0 (+ (- 6) fibonacci_~n))) (.cse55 (<= fibonacci_~n 6)) (.cse33 (<= fibonacci_~n 4)) (.cse35 (<= 0 (+ (- 4) fibonacci_~n))) (.cse34 (<= 0 (+ (- 3) fibonacci_~n))) (.cse61 (<= fibonacci_~n 3)) (.cse38 (not (<= (+ (- 1) fibonacci_~n) 0))) (.cse39 (= fibonacci_~n |fibonacci_#in~n|)) (.cse56 (<= |fibonacci_#in~n| 3)) (.cse64 (let ((.cse66 (or .cse26 .cse19))) (and (or (and .cse66 (or .cse26 (and (or (and (or .cse26 (not (<= |fibonacci_#in~n| 1))) .cse26) .cse26) .cse26) .cse19)) .cse26) .cse66))) (.cse27 (not (<= .cse42 (- 1))))) (let ((.cse23 (or .cse64 .cse27 .cse26)) (.cse4 (and .cse59 .cse34 .cse61 .cse38 .cse39 .cse56)) (.cse9 (and .cse33 .cse34 .cse35 .cse36 .cse38 .cse39)) (.cse41 (not (<= |fibonacci_#in~n| 0))) (.cse24 (or .cse27 .cse26 .cse19)) (.cse1 (and .cse34 .cse47 .cse35 .cse49 .cse55 .cse38 .cse39)) (.cse8 (and .cse34 .cse47 .cse53 .cse35 .cse38 .cse39 .cse54)) (.cse22 (not (<= .cse42 (- 6)))) (.cse40 (not (<= 0 (+ 5 .cse42)))) (.cse3 (and .cse34 .cse61 .cse38 .cse39 .cse56)) (.cse51 (and .cse33 .cse34 .cse35 .cse38 .cse39)) (.cse32 (not (<= .cse42 (- 7)))) (.cse28 (not (<= 0 (+ 2 .cse42)))) (.cse2 (not (<= .cse42 (- 5)))) (.cse16 (and .cse52 .cse63 .cse37 .cse38 .cse39)) (.cse5 (and .cse46 .cse34 .cse47 .cse35 .cse49 (<= 10 |fibonacci_#in~n|) .cse65 .cse38 .cse39)) (.cse6 (and .cse44 .cse46 (<= 0 (+ (- 13) |fibonacci_#t~ret4|)) .cse34 .cse57 .cse47 .cse35 (<= |fibonacci_#t~ret4| 13) .cse58 .cse49 .cse65 .cse38 .cse39)) (.cse17 (and .cse34 .cse47 .cse35 (<= 0 (+ |fibonacci_#t~ret4| (- 5))) (<= |fibonacci_#t~ret4| 5) .cse49 .cse55 .cse38 .cse39)) (.cse7 (and .cse46 .cse34 .cse47 (<= 0 (+ |fibonacci_#t~ret4| (- 8))) .cse35 .cse48 (<= |fibonacci_#t~ret4| 8) .cse49 .cse50 .cse38 .cse39)) (.cse10 (and .cse46 (<= 0 (+ |fibonacci_#t~ret4| (- 21))) .cse34 (<= |fibonacci_#t~ret4| 21) .cse47 .cse35 (<= 9 |fibonacci_#in~n|) .cse49 .cse65 .cse38 .cse39)) (.cse18 (and .cse34 (<= |fibonacci_#t~ret4| 3) .cse47 .cse53 .cse35 (<= 0 (+ |fibonacci_#t~ret4| (- 3))) .cse38 .cse39 .cse54)) (.cse20 (and .cse60 .cse52 .cse63 .cse37 .cse62 .cse38 .cse39)) (.cse25 (or .cse64 .cse26)) (.cse15 (and .cse33 (<= 0 (+ (- 2) |fibonacci_#t~ret4|)) (<= |fibonacci_#t~ret4| 2) .cse34 .cse35 .cse36 .cse37 .cse38 .cse39)) (.cse43 (and (or .cse21 .cse31 .cse11 .cse12) (or .cse21 .cse31 .cse13))) (.cse0 (and .cse52 .cse63 .cse38 .cse39)) (.cse14 (and .cse59 .cse34 .cse60 .cse61 .cse37 .cse62 .cse38 .cse39 .cse56)) (.cse45 (not (<= 0 (+ 3 .cse42))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (or .cse14 .cse15 .cse16 .cse5 .cse6 .cse17 .cse7 .cse10 .cse18 .cse13 .cse19 .cse20) (or .cse0 .cse21 .cse5 .cse6 .cse17 .cse7 .cse10 .cse22 .cse13) (or (and .cse23 .cse24 .cse25) .cse26) (or .cse14 .cse15 .cse5 .cse6 .cse17 .cse7 .cse27 .cse10 .cse18 .cse13 .cse19 .cse20) (or .cse16 .cse5 .cse6 .cse17 .cse7 .cse10 .cse22 .cse13 .cse19 .cse20) (or (let ((.cse29 (let ((.cse30 (and (or .cse28 .cse12 .cse13) (or .cse28 .cse13)))) (and (or .cse30 .cse28 .cse13) (or .cse30 .cse28))))) (and (or .cse28 .cse29 .cse13) (or .cse27 .cse28 .cse29) (or .cse28 .cse29))) .cse28 .cse13 .cse20) (or .cse15 .cse21 .cse16 .cse31 .cse13 .cse19) .cse23 (or .cse21 .cse2 .cse5 .cse6 .cse7 .cse10 .cse11 .cse32 .cse12) (or .cse0 .cse15 .cse21 .cse4 .cse5 .cse6 .cse17 .cse7 .cse8 .cse9 .cse10 (and .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39) .cse18 .cse13) (or .cse21 .cse2 .cse11 .cse12 .cse18 .cse40) (or .cse41 .cse26) (or (not (<= 0 (+ 6 .cse42))) .cse21 .cse2 .cse17 .cse11 .cse12 .cse22) .cse41 (or .cse0 .cse15 .cse21 .cse43) (or .cse21 .cse2 .cse5 .cse6 .cse10 .cse11 .cse12 (not .cse44)) .cse24 (or .cse15 .cse21 .cse5 .cse6 .cse17 .cse7 .cse27 .cse10 .cse18 .cse19) (or .cse14 .cse27 .cse11 .cse45 .cse19) (or .cse14 .cse15 .cse5 .cse6 .cse17 .cse7 .cse27 .cse10 .cse11 .cse18 .cse19) (or .cse1 .cse21 .cse3 .cse5 .cse6 (and .cse46 .cse34 .cse47 .cse35 .cse48 .cse49 .cse50 .cse38 .cse39) (not (<= .cse42 (- 3))) .cse8 .cse10 .cse51 .cse22) (or .cse0 .cse21 .cse2 .cse18 .cse13 .cse40) (or .cse0 (and .cse52 .cse38 .cse39) .cse2 .cse3 (not (<= 0 (+ (- 7) |fibonacci_#in~n|))) .cse5 (and .cse34 .cse53 .cse35 .cse38 .cse39 .cse54) .cse10 (and .cse34 .cse47 .cse35 .cse48 .cse49 .cse50 .cse38 .cse39) .cse51 .cse12 (and .cse33 .cse34 .cse38 .cse39) (and .cse34 .cse47 .cse35 .cse55 .cse38 .cse39) (not (<= 0 (+ (- 4) |fibonacci_#in~n|))) (and .cse34 .cse38 .cse39 .cse56) (and .cse46 .cse34 .cse57 .cse47 .cse35 .cse58 .cse49 .cse38 .cse39) (not (<= 0 (+ (- 5) |fibonacci_#in~n|)))) (or .cse2 .cse5 .cse6 .cse17 .cse7 .cse27 .cse10 .cse18 .cse19) (or .cse0 .cse21 .cse5 .cse6 .cse7 .cse10 .cse32 .cse13) (or .cse27 .cse28 .cse13 .cse19 .cse20) (or .cse14 .cse15 .cse5 .cse6 .cse17 .cse7 .cse27 .cse10 .cse18 .cse19 .cse20) (or .cse2 .cse16 .cse5 .cse6 .cse17 .cse7 .cse10 .cse18 .cse13 .cse19 .cse20) .cse25 (or .cse14 .cse11 .cse12 .cse13 .cse45) (or .cse15 .cse21 .cse43) (or .cse0 .cse14 (and (or .cse13 .cse45) (or .cse13 .cse45 .cse19)) .cse11)))))) [2023-02-18 04:19:57,464 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 23) no Hoare annotation was computed. [2023-02-18 04:19:57,464 INFO L899 garLoopResultBuilder]: For program point L22-3(line 22) no Hoare annotation was computed. [2023-02-18 04:19:57,464 INFO L899 garLoopResultBuilder]: For program point fibonacciEXIT(lines 16 24) no Hoare annotation was computed. [2023-02-18 04:19:57,464 INFO L899 garLoopResultBuilder]: For program point L17(lines 17 23) no Hoare annotation was computed. [2023-02-18 04:19:57,465 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 16 24) the Hoare annotation is: (let ((.cse11 (* (- 1) |fibonacci_#in~n|))) (let ((.cse5 (<= |fibonacci_#in~n| 1)) (.cse8 (<= 0 (+ 1 .cse11))) (.cse7 (<= 1 |fibonacci_#in~n|))) (let ((.cse6 (<= .cse11 (- 1))) (.cse9 (let ((.cse10 (and .cse8 .cse7))) (or (and (or (and (or (and .cse8 (or .cse8 (and .cse8 .cse5))) .cse8) .cse8 .cse7) .cse10) .cse8) .cse10)))) (or (let ((.cse2 (not .cse8)) (.cse3 (not .cse7))) (let ((.cse1 (not .cse6)) (.cse0 (let ((.cse4 (or .cse2 .cse3))) (and (or (and .cse4 (or .cse2 (and (or (and (or .cse2 (not .cse5)) .cse2) .cse2) .cse2) .cse3)) .cse2) .cse4)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse0 .cse2)))) (and .cse9 .cse6 .cse8) (and .cse6 .cse8 .cse7) (and .cse9 .cse8))))) [2023-02-18 04:19:57,465 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2023-02-18 04:19:57,465 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-18 04:19:57,465 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-18 04:19:57,465 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 34) no Hoare annotation was computed. [2023-02-18 04:19:57,465 INFO L895 garLoopResultBuilder]: At program point L29(line 29) the Hoare annotation is: (and (<= 0 (+ (- 9) |ULTIMATE.start_main_~x~0#1|)) (<= 9 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 9)) [2023-02-18 04:19:57,465 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-18 04:19:57,465 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2023-02-18 04:19:57,465 INFO L895 garLoopResultBuilder]: At program point L27(lines 27 35) the Hoare annotation is: (<= 0 (+ (- 9) |ULTIMATE.start_main_~x~0#1|)) [2023-02-18 04:19:57,465 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2023-02-18 04:19:57,465 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-18 04:19:57,468 INFO L445 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2023-02-18 04:19:57,469 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 04:19:57,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 04:19:57 BoogieIcfgContainer [2023-02-18 04:19:57,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 04:19:57,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 04:19:57,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 04:19:57,494 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 04:19:57,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 04:19:22" (3/4) ... [2023-02-18 04:19:57,496 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-18 04:19:57,500 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fibonacci [2023-02-18 04:19:57,502 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-02-18 04:19:57,502 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-18 04:19:57,502 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-18 04:19:57,503 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-18 04:19:57,527 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 04:19:57,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 04:19:57,528 INFO L158 Benchmark]: Toolchain (without parser) took 35243.66ms. Allocated memory was 146.8MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 100.5MB in the beginning and 500.8MB in the end (delta: -400.3MB). Peak memory consumption was 785.0MB. Max. memory is 16.1GB. [2023-02-18 04:19:57,528 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 04:19:57,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.34ms. Allocated memory is still 146.8MB. Free memory was 100.5MB in the beginning and 90.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 04:19:57,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.48ms. Allocated memory is still 146.8MB. Free memory was 90.6MB in the beginning and 89.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 04:19:57,529 INFO L158 Benchmark]: Boogie Preprocessor took 20.53ms. Allocated memory is still 146.8MB. Free memory was 89.0MB in the beginning and 88.1MB in the end (delta: 937.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 04:19:57,529 INFO L158 Benchmark]: RCFGBuilder took 206.52ms. Allocated memory is still 146.8MB. Free memory was 88.1MB in the beginning and 79.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-18 04:19:57,529 INFO L158 Benchmark]: TraceAbstraction took 34750.99ms. Allocated memory was 146.8MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 78.5MB in the beginning and 503.0MB in the end (delta: -424.5MB). Peak memory consumption was 759.8MB. Max. memory is 16.1GB. [2023-02-18 04:19:57,530 INFO L158 Benchmark]: Witness Printer took 34.15ms. Allocated memory is still 1.3GB. Free memory was 503.0MB in the beginning and 500.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 04:19:57,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.34ms. Allocated memory is still 146.8MB. Free memory was 100.5MB in the beginning and 90.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.48ms. Allocated memory is still 146.8MB. Free memory was 90.6MB in the beginning and 89.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.53ms. Allocated memory is still 146.8MB. Free memory was 89.0MB in the beginning and 88.1MB in the end (delta: 937.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 206.52ms. Allocated memory is still 146.8MB. Free memory was 88.1MB in the beginning and 79.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 34750.99ms. Allocated memory was 146.8MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 78.5MB in the beginning and 503.0MB in the end (delta: -424.5MB). Peak memory consumption was 759.8MB. Max. memory is 16.1GB. * Witness Printer took 34.15ms. Allocated memory is still 1.3GB. Free memory was 503.0MB in the beginning and 500.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 33]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.7s, OverallIterations: 12, TraceHistogramMax: 167, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 821 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 773 mSDsluCounter, 2303 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2006 mSDsCounter, 1375 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4265 IncrementalHoareTripleChecker+Invalid, 5640 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1375 mSolverCounterUnsat, 297 mSDtfsCounter, 4265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8135 GetRequests, 7286 SyntacticMatches, 498 SemanticMatches, 351 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7248 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=11, InterpolantAutomatonStates: 240, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 62 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 329 PreInvPairs, 481 NumberOfFragments, 9442 HoareAnnotationTreeSize, 329 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 27.5s InterpolantComputationTime, 6711 NumberOfCodeBlocks, 5628 NumberOfCodeBlocksAsserted, 105 NumberOfCheckSat, 10024 ConstructedInterpolants, 0 QuantifiedInterpolants, 25203 SizeOfPredicates, 58 NumberOfNonLiveVariables, 5187 ConjunctsInSsa, 552 ConjunctsInUnsatCore, 32 InterpolantComputations, 2 PerfectInterpolantSequences, 362816/435111 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 <= -9 + x RESULT: Ultimate proved your program to be correct! [2023-02-18 04:19:57,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE