./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 574ddb4e 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-?-574ddb4 [2023-02-17 07:58:53,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 07:58:53,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 07:58:53,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 07:58:53,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 07:58:53,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 07:58:53,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 07:58:53,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 07:58:53,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 07:58:53,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 07:58:53,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 07:58:53,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 07:58:53,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 07:58:53,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 07:58:53,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 07:58:53,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 07:58:53,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 07:58:53,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 07:58:53,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 07:58:53,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 07:58:53,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 07:58:53,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 07:58:53,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 07:58:53,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 07:58:53,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 07:58:53,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 07:58:53,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 07:58:53,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 07:58:53,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 07:58:53,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 07:58:53,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 07:58:53,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 07:58:53,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 07:58:53,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 07:58:53,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 07:58:53,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 07:58:53,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 07:58:53,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 07:58:53,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 07:58:53,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 07:58:53,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 07:58:53,434 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-17 07:58:53,471 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 07:58:53,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 07:58:53,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 07:58:53,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 07:58:53,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 07:58:53,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 07:58:53,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 07:58:53,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 07:58:53,474 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 07:58:53,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 07:58:53,474 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-17 07:58:53,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 07:58:53,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-17 07:58:53,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 07:58:53,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 07:58:53,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 07:58:53,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 07:58:53,475 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-17 07:58:53,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 07:58:53,476 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 07:58:53,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 07:58:53,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 07:58:53,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 07:58:53,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 07:58:53,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 07:58:53,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 07:58:53,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 07:58:53,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 07:58:53,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 07:58:53,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 07:58:53,478 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 07:58:53,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 07:58:53,478 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 07:58:53,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 07:58:53,478 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 07:58:53,478 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 [2023-02-17 07:58:53,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 07:58:53,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 07:58:53,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 07:58:53,670 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 07:58:53,670 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 07:58:53,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Fibonacci02.c [2023-02-17 07:58:54,651 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 07:58:54,805 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 07:58:54,806 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c [2023-02-17 07:58:54,810 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8402fed76/84b34d73a5bb4c88bdad943c2b514bbf/FLAG830000ca5 [2023-02-17 07:58:54,824 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8402fed76/84b34d73a5bb4c88bdad943c2b514bbf [2023-02-17 07:58:54,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 07:58:54,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 07:58:54,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 07:58:54,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 07:58:54,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 07:58:54,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 07:58:54" (1/1) ... [2023-02-17 07:58:54,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4729e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:58:54, skipping insertion in model container [2023-02-17 07:58:54,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 07:58:54" (1/1) ... [2023-02-17 07:58:54,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 07:58:54,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 07:58:54,967 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] [2023-02-17 07:58:54,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 07:58:54,979 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 07:58:54,990 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] [2023-02-17 07:58:54,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 07:58:55,000 INFO L208 MainTranslator]: Completed translation [2023-02-17 07:58:55,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:58:55 WrapperNode [2023-02-17 07:58:55,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 07:58:55,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 07:58:55,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 07:58:55,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 07:58:55,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:58:55" (1/1) ... [2023-02-17 07:58:55,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:58:55" (1/1) ... [2023-02-17 07:58:55,023 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-02-17 07:58:55,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 07:58:55,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 07:58:55,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 07:58:55,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 07:58:55,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:58:55" (1/1) ... [2023-02-17 07:58:55,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:58:55" (1/1) ... [2023-02-17 07:58:55,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:58:55" (1/1) ... [2023-02-17 07:58:55,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:58:55" (1/1) ... [2023-02-17 07:58:55,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:58:55" (1/1) ... [2023-02-17 07:58:55,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:58:55" (1/1) ... [2023-02-17 07:58:55,038 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:58:55" (1/1) ... [2023-02-17 07:58:55,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:58:55" (1/1) ... [2023-02-17 07:58:55,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 07:58:55,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 07:58:55,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 07:58:55,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 07:58:55,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:58:55" (1/1) ... [2023-02-17 07:58:55,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 07:58:55,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:58:55,066 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) [2023-02-17 07:58:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2023-02-17 07:58:55,075 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 [2023-02-17 07:58:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2023-02-17 07:58:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-17 07:58:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 07:58:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 07:58:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-17 07:58:55,140 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 07:58:55,141 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 07:58:55,249 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 07:58:55,258 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 07:58:55,258 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-17 07:58:55,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 07:58:55 BoogieIcfgContainer [2023-02-17 07:58:55,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 07:58:55,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 07:58:55,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 07:58:55,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 07:58:55,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 07:58:54" (1/3) ... [2023-02-17 07:58:55,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eac8161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 07:58:55, skipping insertion in model container [2023-02-17 07:58:55,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:58:55" (2/3) ... [2023-02-17 07:58:55,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eac8161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 07:58:55, skipping insertion in model container [2023-02-17 07:58:55,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 07:58:55" (3/3) ... [2023-02-17 07:58:55,280 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2023-02-17 07:58:55,293 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 07:58:55,293 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-17 07:58:55,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 07:58:55,342 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;@1de670c1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 07:58:55,342 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-17 07:58:55,345 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) [2023-02-17 07:58:55,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-17 07:58:55,351 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:58:55,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:58:55,352 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:58:55,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:58:55,357 INFO L85 PathProgramCache]: Analyzing trace with hash 117289724, now seen corresponding path program 1 times [2023-02-17 07:58:55,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:58:55,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108726795] [2023-02-17 07:58:55,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:58:55,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:58:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:55,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:58:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:55,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 07:58:55,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:58:55,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108726795] [2023-02-17 07:58:55,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108726795] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 07:58:55,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 07:58:55,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-17 07:58:55,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504216037] [2023-02-17 07:58:55,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 07:58:55,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 07:58:55,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:58:55,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 07:58:55,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-17 07:58:55,641 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) [2023-02-17 07:58:55,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:58:55,718 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2023-02-17 07:58:55,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 07:58:55,722 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 [2023-02-17 07:58:55,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:58:55,728 INFO L225 Difference]: With dead ends: 28 [2023-02-17 07:58:55,728 INFO L226 Difference]: Without dead ends: 18 [2023-02-17 07:58:55,731 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 [2023-02-17 07:58:55,733 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 [2023-02-17 07:58:55,734 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] [2023-02-17 07:58:55,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-02-17 07:58:55,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-02-17 07:58:55,755 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) [2023-02-17 07:58:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2023-02-17 07:58:55,758 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10 [2023-02-17 07:58:55,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:58:55,759 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-02-17 07:58:55,759 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) [2023-02-17 07:58:55,759 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-02-17 07:58:55,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-17 07:58:55,760 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:58:55,760 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:58:55,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-17 07:58:55,761 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:58:55,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:58:55,761 INFO L85 PathProgramCache]: Analyzing trace with hash 36927066, now seen corresponding path program 1 times [2023-02-17 07:58:55,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:58:55,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108749464] [2023-02-17 07:58:55,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:58:55,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:58:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:55,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:58:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:55,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 07:58:55,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:58:55,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108749464] [2023-02-17 07:58:55,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108749464] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 07:58:55,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 07:58:55,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-17 07:58:55,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345052814] [2023-02-17 07:58:55,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 07:58:55,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 07:58:55,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:58:55,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 07:58:55,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-17 07:58:55,810 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) [2023-02-17 07:58:55,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:58:55,847 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2023-02-17 07:58:55,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 07:58:55,848 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 [2023-02-17 07:58:55,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:58:55,849 INFO L225 Difference]: With dead ends: 24 [2023-02-17 07:58:55,849 INFO L226 Difference]: Without dead ends: 20 [2023-02-17 07:58:55,849 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 [2023-02-17 07:58:55,850 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 [2023-02-17 07:58:55,851 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] [2023-02-17 07:58:55,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2023-02-17 07:58:55,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2023-02-17 07:58:55,854 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) [2023-02-17 07:58:55,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2023-02-17 07:58:55,855 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2023-02-17 07:58:55,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:58:55,855 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-02-17 07:58:55,855 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) [2023-02-17 07:58:55,855 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-02-17 07:58:55,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-17 07:58:55,856 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:58:55,856 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:58:55,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-17 07:58:55,857 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:58:55,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:58:55,857 INFO L85 PathProgramCache]: Analyzing trace with hash 703243533, now seen corresponding path program 1 times [2023-02-17 07:58:55,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:58:55,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478950958] [2023-02-17 07:58:55,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:58:55,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:58:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:58:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:56,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-02-17 07:58:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:56,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-17 07:58:56,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:58:56,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478950958] [2023-02-17 07:58:56,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478950958] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:58:56,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839284288] [2023-02-17 07:58:56,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:58:56,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:58:56,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:58:56,049 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) [2023-02-17 07:58:56,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-17 07:58:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:56,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-17 07:58:56,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:58:56,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-17 07:58:56,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:58:56,237 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-17 07:58:56,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839284288] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:58:56,237 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:58:56,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2023-02-17 07:58:56,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484009403] [2023-02-17 07:58:56,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:58:56,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-17 07:58:56,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:58:56,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-17 07:58:56,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-02-17 07:58:56,240 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) [2023-02-17 07:58:56,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:58:56,321 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2023-02-17 07:58:56,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-17 07:58:56,322 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 [2023-02-17 07:58:56,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:58:56,324 INFO L225 Difference]: With dead ends: 35 [2023-02-17 07:58:56,324 INFO L226 Difference]: Without dead ends: 20 [2023-02-17 07:58:56,325 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 [2023-02-17 07:58:56,326 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 27 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2023-02-17 07:58:56,328 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] [2023-02-17 07:58:56,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2023-02-17 07:58:56,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-02-17 07:58:56,333 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) [2023-02-17 07:58:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2023-02-17 07:58:56,334 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 23 [2023-02-17 07:58:56,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:58:56,334 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2023-02-17 07:58:56,335 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) [2023-02-17 07:58:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-02-17 07:58:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-17 07:58:56,336 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:58:56,336 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:58:56,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-17 07:58:56,540 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 [2023-02-17 07:58:56,541 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:58:56,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:58:56,541 INFO L85 PathProgramCache]: Analyzing trace with hash 187716987, now seen corresponding path program 1 times [2023-02-17 07:58:56,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:58:56,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462440770] [2023-02-17 07:58:56,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:58:56,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:58:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:56,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:58:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:56,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:56,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:58:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:56,645 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-02-17 07:58:56,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:58:56,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462440770] [2023-02-17 07:58:56,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462440770] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:58:56,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570212498] [2023-02-17 07:58:56,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:58:56,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:58:56,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:58:56,653 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) [2023-02-17 07:58:56,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-17 07:58:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:56,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-17 07:58:56,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:58:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-02-17 07:58:56,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:58:56,759 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-17 07:58:56,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570212498] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:58:56,761 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:58:56,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2023-02-17 07:58:56,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958576991] [2023-02-17 07:58:56,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:58:56,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-17 07:58:56,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:58:56,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-17 07:58:56,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-02-17 07:58:56,767 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) [2023-02-17 07:58:56,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:58:56,861 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2023-02-17 07:58:56,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-17 07:58:56,862 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 [2023-02-17 07:58:56,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:58:56,865 INFO L225 Difference]: With dead ends: 38 [2023-02-17 07:58:56,865 INFO L226 Difference]: Without dead ends: 34 [2023-02-17 07:58:56,866 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 [2023-02-17 07:58:56,866 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 [2023-02-17 07:58:56,866 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] [2023-02-17 07:58:56,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-02-17 07:58:56,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-02-17 07:58:56,871 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) [2023-02-17 07:58:56,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2023-02-17 07:58:56,872 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 24 [2023-02-17 07:58:56,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:58:56,872 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2023-02-17 07:58:56,873 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) [2023-02-17 07:58:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2023-02-17 07:58:56,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-02-17 07:58:56,874 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:58:56,874 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:58:56,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-17 07:58:57,078 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 [2023-02-17 07:58:57,079 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:58:57,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:58:57,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1151618030, now seen corresponding path program 2 times [2023-02-17 07:58:57,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:58:57,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162627813] [2023-02-17 07:58:57,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:58:57,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:58:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:58:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:58:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:58:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-02-17 07:58:57,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:58:57,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162627813] [2023-02-17 07:58:57,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162627813] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:58:57,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692769630] [2023-02-17 07:58:57,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-17 07:58:57,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:58:57,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:58:57,224 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) [2023-02-17 07:58:57,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-17 07:58:57,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-17 07:58:57,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:58:57,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-17 07:58:57,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:58:57,306 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-02-17 07:58:57,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:58:57,406 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-02-17 07:58:57,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692769630] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:58:57,407 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:58:57,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 17 [2023-02-17 07:58:57,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294525833] [2023-02-17 07:58:57,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:58:57,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-02-17 07:58:57,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:58:57,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-02-17 07:58:57,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2023-02-17 07:58:57,410 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) [2023-02-17 07:58:57,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:58:57,517 INFO L93 Difference]: Finished difference Result 69 states and 106 transitions. [2023-02-17 07:58:57,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-17 07:58:57,517 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 [2023-02-17 07:58:57,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:58:57,518 INFO L225 Difference]: With dead ends: 69 [2023-02-17 07:58:57,518 INFO L226 Difference]: Without dead ends: 38 [2023-02-17 07:58:57,519 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 [2023-02-17 07:58:57,519 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 [2023-02-17 07:58:57,520 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] [2023-02-17 07:58:57,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-02-17 07:58:57,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-02-17 07:58:57,528 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) [2023-02-17 07:58:57,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2023-02-17 07:58:57,529 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 37 [2023-02-17 07:58:57,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:58:57,529 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2023-02-17 07:58:57,529 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) [2023-02-17 07:58:57,529 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-02-17 07:58:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-02-17 07:58:57,530 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:58:57,530 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:58:57,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-17 07:58:57,735 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 [2023-02-17 07:58:57,736 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:58:57,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:58:57,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1673648870, now seen corresponding path program 3 times [2023-02-17 07:58:57,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:58:57,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433745249] [2023-02-17 07:58:57,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:58:57,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:58:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:58:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:58:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:58:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:58:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:58:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:57,904 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-02-17 07:58:57,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:58:57,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433745249] [2023-02-17 07:58:57,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433745249] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:58:57,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184907247] [2023-02-17 07:58:57,904 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-17 07:58:57,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:58:57,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:58:57,906 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) [2023-02-17 07:58:57,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-17 07:58:57,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-02-17 07:58:57,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:58:57,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-17 07:58:57,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:58:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 22 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-02-17 07:58:57,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:58:58,054 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 29 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-02-17 07:58:58,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184907247] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:58:58,054 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:58:58,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2023-02-17 07:58:58,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182001107] [2023-02-17 07:58:58,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:58:58,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-02-17 07:58:58,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:58:58,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-02-17 07:58:58,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-02-17 07:58:58,059 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) [2023-02-17 07:58:58,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:58:58,166 INFO L93 Difference]: Finished difference Result 85 states and 124 transitions. [2023-02-17 07:58:58,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-17 07:58:58,168 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 [2023-02-17 07:58:58,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:58:58,172 INFO L225 Difference]: With dead ends: 85 [2023-02-17 07:58:58,173 INFO L226 Difference]: Without dead ends: 50 [2023-02-17 07:58:58,176 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 [2023-02-17 07:58:58,177 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 31 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:58:58,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 73 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:58:58,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-02-17 07:58:58,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2023-02-17 07:58:58,187 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) [2023-02-17 07:58:58,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2023-02-17 07:58:58,190 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 65 [2023-02-17 07:58:58,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:58:58,191 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2023-02-17 07:58:58,191 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) [2023-02-17 07:58:58,191 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-02-17 07:58:58,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-02-17 07:58:58,198 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:58:58,198 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:58:58,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-02-17 07:58:58,403 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 [2023-02-17 07:58:58,403 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:58:58,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:58:58,403 INFO L85 PathProgramCache]: Analyzing trace with hash 917554903, now seen corresponding path program 4 times [2023-02-17 07:58:58,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:58:58,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934561625] [2023-02-17 07:58:58,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:58:58,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:58:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:58:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:58:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:58:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:58:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:58:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:58:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:58:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:58:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:58:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:58:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:58,815 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 198 proven. 308 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2023-02-17 07:58:58,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:58:58,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934561625] [2023-02-17 07:58:58,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934561625] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:58:58,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648261165] [2023-02-17 07:58:58,816 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-17 07:58:58,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:58:58,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:58:58,817 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) [2023-02-17 07:58:58,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-17 07:58:58,870 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-17 07:58:58,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:58:58,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-17 07:58:58,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:58:58,918 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 52 proven. 326 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-02-17 07:58:58,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:58:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 52 proven. 352 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2023-02-17 07:58:59,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648261165] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:58:59,066 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:58:59,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 9, 13] total 27 [2023-02-17 07:58:59,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125171803] [2023-02-17 07:58:59,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:58:59,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-02-17 07:58:59,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:58:59,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-02-17 07:58:59,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2023-02-17 07:58:59,069 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) [2023-02-17 07:58:59,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:58:59,316 INFO L93 Difference]: Finished difference Result 112 states and 192 transitions. [2023-02-17 07:58:59,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-17 07:58:59,317 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 [2023-02-17 07:58:59,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:58:59,318 INFO L225 Difference]: With dead ends: 112 [2023-02-17 07:58:59,318 INFO L226 Difference]: Without dead ends: 71 [2023-02-17 07:58:59,318 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 [2023-02-17 07:58:59,319 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 [2023-02-17 07:58:59,319 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] [2023-02-17 07:58:59,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-02-17 07:58:59,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2023-02-17 07:58:59,324 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) [2023-02-17 07:58:59,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2023-02-17 07:58:59,325 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 133 [2023-02-17 07:58:59,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:58:59,325 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2023-02-17 07:58:59,325 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) [2023-02-17 07:58:59,325 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2023-02-17 07:58:59,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-02-17 07:58:59,326 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:58:59,326 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:58:59,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-17 07:58:59,533 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 [2023-02-17 07:58:59,533 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:58:59,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:58:59,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1778838455, now seen corresponding path program 5 times [2023-02-17 07:58:59,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:58:59,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108508162] [2023-02-17 07:58:59,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:58:59,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:58:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:59,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:58:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:59,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:59,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:59,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:59,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:58:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:58:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:59,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:58:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:58:59,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-17 07:59:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 403 proven. 706 refuted. 0 times theorem prover too weak. 1471 trivial. 0 not checked. [2023-02-17 07:59:00,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:00,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108508162] [2023-02-17 07:59:00,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108508162] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:00,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428865593] [2023-02-17 07:59:00,188 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-17 07:59:00,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:00,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:00,189 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) [2023-02-17 07:59:00,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-17 07:59:00,280 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2023-02-17 07:59:00,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:59:00,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 20 conjunts are in the unsatisfiable core [2023-02-17 07:59:00,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:00,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 630 proven. 571 refuted. 0 times theorem prover too weak. 1379 trivial. 0 not checked. [2023-02-17 07:59:00,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 632 proven. 605 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2023-02-17 07:59:00,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428865593] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:00,669 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:00,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 14, 21] total 34 [2023-02-17 07:59:00,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491142239] [2023-02-17 07:59:00,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:00,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-02-17 07:59:00,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:00,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-02-17 07:59:00,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=868, Unknown=0, NotChecked=0, Total=1122 [2023-02-17 07:59:00,671 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) [2023-02-17 07:59:00,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:00,993 INFO L93 Difference]: Finished difference Result 147 states and 243 transitions. [2023-02-17 07:59:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-02-17 07:59:00,994 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 [2023-02-17 07:59:00,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:00,997 INFO L225 Difference]: With dead ends: 147 [2023-02-17 07:59:00,997 INFO L226 Difference]: Without dead ends: 91 [2023-02-17 07:59:00,998 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 [2023-02-17 07:59:00,999 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 129 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:00,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 158 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 07:59:01,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-02-17 07:59:01,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2023-02-17 07:59:01,016 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) [2023-02-17 07:59:01,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2023-02-17 07:59:01,017 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 215 [2023-02-17 07:59:01,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:01,017 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2023-02-17 07:59:01,018 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) [2023-02-17 07:59:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2023-02-17 07:59:01,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-02-17 07:59:01,022 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:01,022 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 38, 23, 23, 23, 23, 23, 23, 23, 15, 9, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:01,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-17 07:59:01,229 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 [2023-02-17 07:59:01,229 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:01,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:01,230 INFO L85 PathProgramCache]: Analyzing trace with hash 88549517, now seen corresponding path program 6 times [2023-02-17 07:59:01,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:01,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146971742] [2023-02-17 07:59:01,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:01,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-17 07:59:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-02-17 07:59:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-17 07:59:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 1307 proven. 1260 refuted. 0 times theorem prover too weak. 3472 trivial. 0 not checked. [2023-02-17 07:59:02,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:02,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146971742] [2023-02-17 07:59:02,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146971742] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:02,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730180902] [2023-02-17 07:59:02,194 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-17 07:59:02,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:02,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:02,197 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) [2023-02-17 07:59:02,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-17 07:59:02,297 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2023-02-17 07:59:02,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:59:02,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 14 conjunts are in the unsatisfiable core [2023-02-17 07:59:02,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:02,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 346 proven. 1004 refuted. 0 times theorem prover too weak. 4689 trivial. 0 not checked. [2023-02-17 07:59:02,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:02,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 350 proven. 1040 refuted. 0 times theorem prover too weak. 4649 trivial. 0 not checked. [2023-02-17 07:59:02,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730180902] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:02,534 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:02,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 10, 15] total 32 [2023-02-17 07:59:02,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825886611] [2023-02-17 07:59:02,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:02,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-02-17 07:59:02,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:02,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-02-17 07:59:02,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=759, Unknown=0, NotChecked=0, Total=992 [2023-02-17 07:59:02,540 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) [2023-02-17 07:59:02,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:02,872 INFO L93 Difference]: Finished difference Result 193 states and 312 transitions. [2023-02-17 07:59:02,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-02-17 07:59:02,872 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 [2023-02-17 07:59:02,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:02,875 INFO L225 Difference]: With dead ends: 193 [2023-02-17 07:59:02,875 INFO L226 Difference]: Without dead ends: 120 [2023-02-17 07:59:02,876 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 [2023-02-17 07:59:02,878 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 119 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:02,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 188 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 07:59:02,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-02-17 07:59:02,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 105. [2023-02-17 07:59:02,893 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) [2023-02-17 07:59:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 144 transitions. [2023-02-17 07:59:02,894 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 144 transitions. Word has length 324 [2023-02-17 07:59:02,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:02,894 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 144 transitions. [2023-02-17 07:59:02,894 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) [2023-02-17 07:59:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2023-02-17 07:59:02,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2023-02-17 07:59:02,901 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:02,901 INFO L195 NwaCegarLoop]: trace histogram [93, 93, 75, 46, 46, 46, 46, 46, 46, 46, 29, 18, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:02,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-17 07:59:03,106 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 [2023-02-17 07:59:03,107 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:03,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:03,107 INFO L85 PathProgramCache]: Analyzing trace with hash 793898644, now seen corresponding path program 7 times [2023-02-17 07:59:03,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:03,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532874291] [2023-02-17 07:59:03,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:03,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:03,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-17 07:59:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-02-17 07:59:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-02-17 07:59:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-17 07:59:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-02-17 07:59:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-02-17 07:59:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:04,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 24027 backedges. 2111 proven. 4081 refuted. 0 times theorem prover too weak. 17835 trivial. 0 not checked. [2023-02-17 07:59:05,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:05,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532874291] [2023-02-17 07:59:05,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532874291] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:05,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705784875] [2023-02-17 07:59:05,007 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-17 07:59:05,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:05,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:05,023 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) [2023-02-17 07:59:05,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-17 07:59:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:05,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-17 07:59:05,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 24027 backedges. 426 proven. 3361 refuted. 0 times theorem prover too weak. 20240 trivial. 0 not checked. [2023-02-17 07:59:05,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 24027 backedges. 426 proven. 3438 refuted. 0 times theorem prover too weak. 20163 trivial. 0 not checked. [2023-02-17 07:59:05,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705784875] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:05,592 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:05,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 12, 19] total 39 [2023-02-17 07:59:05,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439702728] [2023-02-17 07:59:05,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:05,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-02-17 07:59:05,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:05,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-02-17 07:59:05,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=1125, Unknown=0, NotChecked=0, Total=1482 [2023-02-17 07:59:05,595 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) [2023-02-17 07:59:06,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:06,159 INFO L93 Difference]: Finished difference Result 236 states and 390 transitions. [2023-02-17 07:59:06,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-02-17 07:59:06,159 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 [2023-02-17 07:59:06,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:06,163 INFO L225 Difference]: With dead ends: 236 [2023-02-17 07:59:06,163 INFO L226 Difference]: Without dead ends: 146 [2023-02-17 07:59:06,165 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 [2023-02-17 07:59:06,166 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 200 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:06,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 201 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [473 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-17 07:59:06,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-02-17 07:59:06,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 122. [2023-02-17 07:59:06,176 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) [2023-02-17 07:59:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 172 transitions. [2023-02-17 07:59:06,178 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 172 transitions. Word has length 637 [2023-02-17 07:59:06,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:06,179 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 172 transitions. [2023-02-17 07:59:06,179 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) [2023-02-17 07:59:06,179 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 172 transitions. [2023-02-17 07:59:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2023-02-17 07:59:06,190 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:06,191 INFO L195 NwaCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:06,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-17 07:59:06,399 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 [2023-02-17 07:59:06,400 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:06,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:06,400 INFO L85 PathProgramCache]: Analyzing trace with hash 597528604, now seen corresponding path program 8 times [2023-02-17 07:59:06,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:06,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051710425] [2023-02-17 07:59:06,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:06,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:12,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:15,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:16,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:16,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:16,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-17 07:59:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-02-17 07:59:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-02-17 07:59:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-17 07:59:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:17,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2023-02-17 07:59:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-17 07:59:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-02-17 07:59:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:18,752 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2023-02-17 07:59:18,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:18,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051710425] [2023-02-17 07:59:18,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051710425] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:18,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171274214] [2023-02-17 07:59:18,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-17 07:59:18,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:18,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:18,755 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) [2023-02-17 07:59:18,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-17 07:59:19,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-17 07:59:19,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:59:19,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 439 conjunts are in the unsatisfiable core [2023-02-17 07:59:19,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2023-02-17 07:59:21,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2023-02-17 07:59:24,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171274214] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:24,045 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:24,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2023-02-17 07:59:24,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140847140] [2023-02-17 07:59:24,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:24,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-02-17 07:59:24,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:24,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-02-17 07:59:24,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2023-02-17 07:59:24,048 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) [2023-02-17 07:59:24,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:24,520 INFO L93 Difference]: Finished difference Result 143 states and 220 transitions. [2023-02-17 07:59:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-02-17 07:59:24,521 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 [2023-02-17 07:59:24,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:24,523 INFO L225 Difference]: With dead ends: 143 [2023-02-17 07:59:24,523 INFO L226 Difference]: Without dead ends: 139 [2023-02-17 07:59:24,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1929 GetRequests, 1531 SyntacticMatches, 364 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1770 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2023-02-17 07:59:24,524 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, 4 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 [2023-02-17 07:59:24,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 971 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-17 07:59:24,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-02-17 07:59:24,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 132. [2023-02-17 07:59:24,535 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) [2023-02-17 07:59:24,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 202 transitions. [2023-02-17 07:59:24,536 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 202 transitions. Word has length 746 [2023-02-17 07:59:24,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:24,538 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 202 transitions. [2023-02-17 07:59:24,539 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) [2023-02-17 07:59:24,539 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 202 transitions. [2023-02-17 07:59:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1142 [2023-02-17 07:59:24,547 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:59:24,547 INFO L195 NwaCegarLoop]: trace histogram [167, 167, 135, 83, 83, 83, 83, 83, 83, 83, 52, 32, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:59:24,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-17 07:59:24,752 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 [2023-02-17 07:59:24,753 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:59:24,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:59:24,753 INFO L85 PathProgramCache]: Analyzing trace with hash -18297609, now seen corresponding path program 9 times [2023-02-17 07:59:24,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:59:24,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645291358] [2023-02-17 07:59:24,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:59:24,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:59:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:25,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-17 07:59:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-17 07:59:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:26,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-02-17 07:59:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-02-17 07:59:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2023-02-17 07:59:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-17 07:59:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2023-02-17 07:59:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-17 07:59:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-02-17 07:59:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-02-17 07:59:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2023-02-17 07:59:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-02-17 07:59:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-02-17 07:59:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-02-17 07:59:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-02-17 07:59:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-02-17 07:59:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-17 07:59:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:59:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 78101 backedges. 2273 proven. 8133 refuted. 0 times theorem prover too weak. 67695 trivial. 0 not checked. [2023-02-17 07:59:27,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:59:27,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645291358] [2023-02-17 07:59:27,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645291358] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:59:27,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988786486] [2023-02-17 07:59:27,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-17 07:59:27,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:59:27,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:59:27,604 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) [2023-02-17 07:59:27,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-17 07:59:27,824 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2023-02-17 07:59:27,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:59:27,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-17 07:59:27,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:59:27,946 INFO L134 CoverageAnalysis]: Checked inductivity of 78101 backedges. 1219 proven. 7041 refuted. 0 times theorem prover too weak. 69841 trivial. 0 not checked. [2023-02-17 07:59:27,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:59:28,325 INFO L134 CoverageAnalysis]: Checked inductivity of 78101 backedges. 1211 proven. 7141 refuted. 0 times theorem prover too weak. 69749 trivial. 0 not checked. [2023-02-17 07:59:28,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988786486] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:59:28,325 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 07:59:28,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 14, 22] total 40 [2023-02-17 07:59:28,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050248860] [2023-02-17 07:59:28,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 07:59:28,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-02-17 07:59:28,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:59:28,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-02-17 07:59:28,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=1201, Unknown=0, NotChecked=0, Total=1560 [2023-02-17 07:59:28,329 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) [2023-02-17 07:59:28,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:59:28,848 INFO L93 Difference]: Finished difference Result 278 states and 509 transitions. [2023-02-17 07:59:28,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-02-17 07:59:28,848 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 [2023-02-17 07:59:28,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:59:28,849 INFO L225 Difference]: With dead ends: 278 [2023-02-17 07:59:28,849 INFO L226 Difference]: Without dead ends: 0 [2023-02-17 07:59:28,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2653 GetRequests, 2578 SyntacticMatches, 24 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=674, Invalid=2082, Unknown=0, NotChecked=0, Total=2756 [2023-02-17 07:59:28,852 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 118 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-17 07:59:28,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 286 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-17 07:59:28,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-17 07:59:28,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-17 07:59:28,853 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) [2023-02-17 07:59:28,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-17 07:59:28,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1141 [2023-02-17 07:59:28,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:59:28,853 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 07:59:28,853 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) [2023-02-17 07:59:28,854 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-17 07:59:28,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-17 07:59:28,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-17 07:59:28,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-17 07:59:29,061 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 [2023-02-17 07:59:29,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-17 07:59:29,076 INFO L899 garLoopResultBuilder]: For program point fibonacciFINAL(lines 16 24) no Hoare annotation was computed. [2023-02-17 07:59:29,077 INFO L895 garLoopResultBuilder]: At program point L22(line 22) the Hoare annotation is: (let ((.cse19 (* (- 1) |fibonacci_#in~n|))) (let ((.cse27 (not (<= 0 (+ .cse19 1)))) (.cse16 (not (<= 1 |fibonacci_#in~n|)))) (let ((.cse7 (<= 0 (+ fibonacci_~n (- 5)))) (.cse38 (let ((.cse39 (or .cse27 .cse16))) (and .cse39 (or (and (or (and (or (and (or (not (<= |fibonacci_#in~n| 1)) .cse27) .cse27) .cse27) .cse27) .cse27 .cse16) .cse39) .cse27)))) (.cse8 (<= 3 |fibonacci_#in~n|)) (.cse18 (not (<= .cse19 (- 1)))) (.cse29 (<= fibonacci_~n 4)) (.cse9 (= |fibonacci_#in~n| fibonacci_~n)) (.cse17 (<= 0 (+ fibonacci_~n (- 2)))) (.cse10 (not (<= (+ fibonacci_~n (- 1)) 0))) (.cse12 (<= .cse19 (- 4)))) (let ((.cse15 (not (<= 0 (+ .cse19 4)))) (.cse14 (and .cse29 .cse9 .cse17 .cse10 .cse12)) (.cse32 (or .cse27 .cse16 .cse18)) (.cse0 (not (<= 0 (+ .cse19 3)))) (.cse1 (not .cse8)) (.cse3 (and .cse8 .cse9 (<= fibonacci_~n 3) .cse17 .cse10)) (.cse22 (not (<= .cse19 (- 7)))) (.cse35 (and .cse9 .cse17 .cse10 .cse12)) (.cse21 (<= 0 (+ fibonacci_~n (- 6)))) (.cse20 (not (<= .cse19 (- 6)))) (.cse31 (or .cse38 .cse27 .cse18)) (.cse23 (<= 0 (+ fibonacci_~n (- 7)))) (.cse2 (not (<= .cse19 (- 2)))) (.cse24 (not (<= 0 (+ .cse19 2)))) (.cse25 (and .cse9 .cse17 .cse10 (<= fibonacci_~n 2))) (.cse26 (and .cse9 .cse17 .cse10)) (.cse5 (not .cse12)) (.cse11 (<= fibonacci_~n 5)) (.cse6 (not (<= 0 (+ .cse19 5)))) (.cse34 (and .cse7 .cse9 .cse17 .cse10)) (.cse13 (not (<= .cse19 (- 5)))) (.cse4 (not (<= 0 (+ |fibonacci_#in~n| (- 2))))) (.cse33 (or .cse38 .cse27)) (.cse28 (not (<= |fibonacci_#in~n| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) .cse13) (or .cse5 .cse14 .cse15 .cse16 .cse4) (or (and .cse8 .cse9 .cse17 .cse10) .cse1 .cse16 .cse18) (or (not (<= .cse19 (- 3))) .cse5 .cse20 (and (<= 0 (+ fibonacci_~n (- 3))) .cse9 .cse21 .cse10 .cse12)) (or .cse5 .cse20 (and .cse9 .cse21 .cse17 .cse10 .cse12) .cse4) (or .cse5 .cse1 .cse22 .cse2 .cse13 (and .cse7 .cse8 .cse9 .cse10 .cse23 .cse12)) (or .cse5 (not (<= 0 (+ .cse19 6))) .cse1 (and .cse7 .cse8 .cse9 .cse21 .cse10 (<= fibonacci_~n 6) .cse12) .cse2 .cse20 .cse13) (or .cse24 .cse25 .cse16 .cse18 .cse4) (or .cse26 .cse16 .cse4) (or .cse27 .cse28) (or .cse1 (and .cse7 .cse8 .cse9 .cse10) .cse2 .cse13 .cse4) (or .cse5 (and (or .cse5 .cse15 .cse1 .cse2) (or .cse5 .cse15 .cse4)) (and (or (and .cse29 .cse8 .cse9 .cse17 .cse10 .cse12) .cse14) .cse9 .cse10 .cse12)) (or .cse1 .cse3 (and (or .cse0 .cse16 .cse4) (or .cse0 .cse4))) (let ((.cse30 (<= 8 |fibonacci_#in~n|))) (or .cse5 (and .cse7 .cse8 .cse9 .cse30 .cse10 .cse23 .cse12 (<= 0 (+ fibonacci_~n (- 8)))) .cse1 (not .cse30) .cse2 .cse13)) (or (and .cse31 .cse32 .cse33) .cse27) (or .cse34 .cse16 .cse18 .cse13) .cse32 (or .cse26 .cse16 .cse18) (or .cse0 .cse1 .cse16 .cse3 .cse18) (or .cse5 .cse35 .cse4) (or .cse5 (and .cse9 .cse17 .cse10 .cse23 .cse12) .cse22 .cse4) (or .cse5 .cse16 .cse35 .cse18) (or (and .cse9 .cse21 .cse17 .cse10) .cse20 .cse16 .cse4) .cse31 (or (not (<= 0 (+ |fibonacci_#in~n| (- 4)))) (not (<= 0 (+ |fibonacci_#in~n| (- 5)))) .cse2 (and .cse7 .cse9 .cse10 .cse23 (<= 0 (+ fibonacci_~n (- 4)))) (not (<= 0 (+ |fibonacci_#in~n| (- 7)))) .cse13) (or (let ((.cse36 (let ((.cse37 (and (or .cse24 .cse2 .cse4) (or .cse24 .cse4)))) (and (or .cse24 .cse37) (or .cse24 .cse37 .cse4))))) (and (or .cse24 .cse36 .cse4) (or .cse24 .cse36 .cse18) (or .cse24 .cse36))) .cse24 .cse25 .cse4) (or .cse26 .cse16 .cse18 .cse4) (or .cse5 (and .cse7 .cse9 .cse17 .cse10 .cse11 .cse12) .cse6 .cse13 .cse4) (or .cse34 .cse16 .cse13 .cse4) .cse33 .cse28))))) [2023-02-17 07:59:29,077 INFO L899 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2023-02-17 07:59:29,078 INFO L895 garLoopResultBuilder]: At program point L22-2(line 22) the Hoare annotation is: (let ((.cse10 (* (- 1) |fibonacci_#in~n|))) (let ((.cse55 (<= .cse10 (- 4))) (.cse63 (<= 3 |fibonacci_#in~n|)) (.cse33 (not (<= 0 (+ .cse10 1)))) (.cse4 (not (<= 1 |fibonacci_#in~n|)))) (let ((.cse61 (<= |fibonacci_#t~ret4| 1)) (.cse62 (<= 0 (+ |fibonacci_#t~ret4| (- 1)))) (.cse19 (<= |fibonacci_#in~n| 7)) (.cse21 (<= fibonacci_~n 7)) (.cse35 (<= fibonacci_~n 8)) (.cse53 (<= 8 |fibonacci_#in~n|)) (.cse36 (<= |fibonacci_#in~n| 8)) (.cse22 (<= 0 (+ fibonacci_~n (- 7)))) (.cse59 (<= 0 (+ fibonacci_~n (- 8)))) (.cse60 (<= |fibonacci_#in~n| 2)) (.cse54 (<= 0 (+ fibonacci_~n (- 2)))) (.cse37 (<= fibonacci_~n 2)) (.cse39 (<= |fibonacci_#in~n| 5)) (.cse40 (<= fibonacci_~n 5)) (.cse65 (let ((.cse66 (or .cse33 .cse4))) (and .cse66 (or (and (or (and (or (and (or (not (<= |fibonacci_#in~n| 1)) .cse33) .cse33) .cse33) .cse33) .cse33 .cse4) .cse66) .cse33)))) (.cse25 (not .cse63)) (.cse27 (not (<= .cse10 (- 2)))) (.cse0 (not .cse55)) (.cse50 (not (<= 0 (+ .cse10 4)))) (.cse31 (not (<= 0 (+ |fibonacci_#in~n| (- 2))))) (.cse8 (not (<= .cse10 (- 1)))) (.cse16 (<= 0 (+ fibonacci_~n (- 5)))) (.cse18 (<= 0 (+ fibonacci_~n (- 6)))) (.cse38 (<= fibonacci_~n 6)) (.cse42 (<= |fibonacci_#in~n| 3)) (.cse64 (<= fibonacci_~n 3)) (.cse15 (<= 0 (+ fibonacci_~n (- 3)))) (.cse41 (<= fibonacci_~n 4)) (.cse17 (= |fibonacci_#in~n| fibonacci_~n)) (.cse20 (not (<= (+ fibonacci_~n (- 1)) 0))) (.cse23 (<= 0 (+ fibonacci_~n (- 4))))) (let ((.cse13 (and .cse15 .cse41 .cse17 .cse20 .cse23)) (.cse30 (not (<= .cse10 (- 7)))) (.cse12 (and .cse15 .cse17 .cse42 .cse64 .cse20)) (.cse14 (and .cse15 .cse16 .cse17 .cse18 .cse20 .cse38 .cse23)) (.cse46 (or .cse33 .cse4 .cse8)) (.cse51 (and (or .cse0 .cse50 .cse25 .cse27) (or .cse0 .cse50 .cse31))) (.cse45 (or .cse65 .cse33 .cse8)) (.cse11 (and .cse15 .cse16 .cse17 .cse39 .cse20 .cse40 .cse23)) (.cse43 (and .cse15 .cse41 .cse17 .cse20 .cse23 .cse55)) (.cse44 (and .cse15 .cse63 .cse17 .cse42 .cse64 .cse20)) (.cse48 (and .cse60 .cse17 .cse54 .cse20 .cse37)) (.cse32 (not (<= 0 (+ .cse10 5)))) (.cse28 (not (<= .cse10 (- 5)))) (.cse29 (and .cse60 .cse17 .cse20 .cse37)) (.cse24 (not (<= .cse10 (- 6)))) (.cse52 (not (<= 0 (+ .cse10 3)))) (.cse56 (not (<= 0 (+ .cse10 2)))) (.cse47 (or .cse65 .cse33)) (.cse34 (not (<= |fibonacci_#in~n| 0))) (.cse1 (and .cse15 (<= 0 (+ |fibonacci_#t~ret4| (- 21))) .cse16 .cse17 .cse18 (<= |fibonacci_#t~ret4| 21) .cse20 (<= 9 |fibonacci_#in~n|) .cse22 .cse23 .cse59)) (.cse2 (and .cse15 .cse17 (<= |fibonacci_#t~ret4| 13) .cse35 .cse59 (<= 0 (+ |fibonacci_#t~ret4| (- 13))) .cse16 .cse18 .cse53 .cse20 .cse22 .cse23 .cse36)) (.cse3 (and .cse15 (<= 0 (+ |fibonacci_#t~ret4| (- 8))) .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 (<= |fibonacci_#t~ret4| 8))) (.cse26 (and .cse15 .cse63 .cse17 .cse42 .cse64 .cse54 .cse20 .cse61 .cse62)) (.cse5 (and .cse15 .cse16 .cse17 .cse39 (<= 0 (+ |fibonacci_#t~ret4| (- 3))) .cse20 .cse40 .cse23 (<= |fibonacci_#t~ret4| 3))) (.cse6 (and .cse15 .cse16 (<= |fibonacci_#t~ret4| 5) .cse17 .cse18 .cse20 .cse38 .cse23 (<= 0 (+ |fibonacci_#t~ret4| (- 5))))) (.cse49 (and .cse60 .cse17 .cse54 .cse20 .cse37 .cse61 .cse62)) (.cse7 (and .cse15 .cse16 .cse17 .cse18 (<= 10 |fibonacci_#in~n|) .cse20 .cse22 .cse23 .cse59)) (.cse9 (and .cse15 .cse41 .cse17 (<= 0 (+ |fibonacci_#t~ret4| (- 2))) .cse54 .cse20 .cse23 .cse55 (<= |fibonacci_#t~ret4| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or (not (<= .cse10 (- 3))) .cse0 .cse11 .cse1 .cse2 .cse12 .cse13 .cse14 (and .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) .cse24 .cse7) (or .cse1 .cse2 .cse25 .cse3 .cse26 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse0 (not (<= 0 (+ .cse10 6))) .cse25 .cse27 .cse24 .cse6 .cse28) (or .cse0 .cse1 .cse2 .cse29 .cse30 .cse3 .cse7 .cse31) (or .cse0 .cse25 .cse27 .cse32 .cse5 .cse28) (or .cse33 .cse34) (or .cse12 (and .cse15 .cse16 .cse17 .cse18 .cse35 .cse20 .cse22 .cse23 .cse36) .cse13 (not (<= 0 (+ |fibonacci_#in~n| (- 5)))) (and .cse17 .cse20 .cse37) (and .cse15 .cse16 .cse17 .cse20 .cse38 .cse23) (and .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse23) .cse7 .cse1 (not (<= 0 (+ |fibonacci_#in~n| (- 4)))) .cse29 (and .cse15 .cse17 .cse39 .cse20 .cse40 .cse23) .cse27 (and .cse15 .cse41 .cse17 .cse20) (and .cse15 .cse17 .cse42 .cse20) (not (<= 0 (+ |fibonacci_#in~n| (- 7)))) .cse28) (or .cse0 .cse1 .cse2 .cse25 .cse30 .cse3 .cse27 .cse7 .cse28) (or .cse43 .cse11 .cse44 .cse12 .cse3 .cse14 .cse7 .cse31 .cse1 .cse2 .cse25 .cse29 .cse27 .cse28) (or (and .cse45 .cse46 .cse47) .cse33) (or .cse1 .cse2 .cse48 .cse3 .cse24 .cse4 .cse6 .cse7 .cse49 .cse31) (or .cse0 .cse48 .cse50 .cse4 .cse31 .cse9) .cse46 (or .cse0 .cse29 .cse51 .cse9) (or .cse52 .cse25 .cse27 .cse26 .cse31) (or .cse0 .cse1 .cse2 .cse25 (not .cse53) .cse27 .cse7 .cse28) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse28) (or .cse0 .cse51 .cse9) .cse45 (or .cse11 .cse43 .cse44 .cse3 (and .cse15 .cse41 .cse17 .cse54 .cse20 .cse23 .cse55) .cse5 .cse6 .cse7 .cse31 .cse0 .cse1 .cse2 .cse29 .cse9) (or .cse1 .cse2 .cse48 .cse3 .cse4 .cse5 .cse6 .cse7 .cse49 .cse28 .cse31) (or .cse29 .cse25 .cse26 (and (or .cse52 .cse4 .cse31) (or .cse52 .cse31))) (or (let ((.cse57 (let ((.cse58 (and (or .cse56 .cse27 .cse31) (or .cse56 .cse31)))) (and (or .cse56 .cse58) (or .cse56 .cse58 .cse31))))) (and (or .cse56 .cse57 .cse31) (or .cse56 .cse57 .cse8) (or .cse56 .cse57))) .cse56 .cse49 .cse31) (or .cse1 .cse2 .cse48 .cse3 .cse26 .cse4 .cse5 .cse6 .cse49 .cse7 .cse31 .cse9) (or .cse0 .cse29 .cse32 .cse5 .cse28 .cse31) (or .cse0 .cse1 .cse2 .cse29 .cse3 .cse24 .cse6 .cse7 .cse31) (or .cse52 .cse25 .cse26 .cse4 .cse8) (or .cse1 .cse2 .cse3 .cse26 .cse4 .cse5 .cse6 .cse49 .cse7 .cse8 .cse31 .cse9) (or .cse56 .cse4 .cse49 .cse8 .cse31) .cse47 .cse34 (or .cse1 .cse2 .cse3 .cse26 .cse4 .cse5 .cse6 .cse49 .cse7 .cse8 .cse9)))))) [2023-02-17 07:59:29,079 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 23) no Hoare annotation was computed. [2023-02-17 07:59:29,079 INFO L899 garLoopResultBuilder]: For program point L22-3(line 22) no Hoare annotation was computed. [2023-02-17 07:59:29,079 INFO L899 garLoopResultBuilder]: For program point fibonacciEXIT(lines 16 24) no Hoare annotation was computed. [2023-02-17 07:59:29,079 INFO L899 garLoopResultBuilder]: For program point L17(lines 17 23) no Hoare annotation was computed. [2023-02-17 07:59:29,079 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 16 24) the Hoare annotation is: (let ((.cse11 (* (- 1) |fibonacci_#in~n|))) (let ((.cse7 (<= |fibonacci_#in~n| 1)) (.cse0 (<= 0 (+ .cse11 1))) (.cse9 (<= 1 |fibonacci_#in~n|))) (let ((.cse8 (<= .cse11 (- 1))) (.cse1 (let ((.cse10 (and .cse0 .cse9))) (or (and (or (and (or (and (or .cse0 (and .cse7 .cse0)) .cse0) .cse0) .cse0 .cse9) .cse10) .cse0) .cse10)))) (or (and .cse0 .cse1) (let ((.cse3 (not .cse0)) (.cse5 (not .cse9))) (let ((.cse4 (not .cse8)) (.cse2 (let ((.cse6 (or .cse3 .cse5))) (and .cse6 (or (and (or (and (or (and (or (not .cse7) .cse3) .cse3) .cse3) .cse3) .cse3 .cse5) .cse6) .cse3))))) (and (or .cse2 .cse3 .cse4) (or .cse3 .cse5 .cse4) (or .cse2 .cse3)))) (and .cse0 .cse8 .cse9) (and .cse0 .cse8 .cse1))))) [2023-02-17 07:59:29,079 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2023-02-17 07:59:29,079 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-17 07:59:29,080 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-17 07:59:29,080 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 34) no Hoare annotation was computed. [2023-02-17 07:59:29,080 INFO L895 garLoopResultBuilder]: At program point L29(line 29) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 9))) (>= |ULTIMATE.start_main_~x~0#1| 9) (<= |ULTIMATE.start_main_~x~0#1| 9)) [2023-02-17 07:59:29,080 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-17 07:59:29,080 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2023-02-17 07:59:29,080 INFO L895 garLoopResultBuilder]: At program point L27(lines 27 35) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 9))) [2023-02-17 07:59:29,080 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2023-02-17 07:59:29,080 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-17 07:59:29,083 INFO L445 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2023-02-17 07:59:29,084 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-17 07:59:29,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 07:59:29 BoogieIcfgContainer [2023-02-17 07:59:29,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-17 07:59:29,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 07:59:29,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 07:59:29,094 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 07:59:29,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 07:58:55" (3/4) ... [2023-02-17 07:59:29,096 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-17 07:59:29,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fibonacci [2023-02-17 07:59:29,103 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-02-17 07:59:29,103 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-17 07:59:29,103 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-17 07:59:29,103 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-17 07:59:29,126 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-17 07:59:29,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 07:59:29,126 INFO L158 Benchmark]: Toolchain (without parser) took 34298.42ms. Allocated memory was 113.2MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 70.9MB in the beginning and 920.5MB in the end (delta: -849.6MB). Peak memory consumption was 409.4MB. Max. memory is 16.1GB. [2023-02-17 07:59:29,127 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory was 81.1MB in the beginning and 81.0MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 07:59:29,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 171.22ms. Allocated memory is still 113.2MB. Free memory was 70.7MB in the beginning and 61.0MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 07:59:29,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.61ms. Allocated memory is still 113.2MB. Free memory was 60.8MB in the beginning and 59.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 07:59:29,127 INFO L158 Benchmark]: Boogie Preprocessor took 17.04ms. Allocated memory is still 113.2MB. Free memory was 59.4MB in the beginning and 58.5MB in the end (delta: 938.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 07:59:29,127 INFO L158 Benchmark]: RCFGBuilder took 219.12ms. Allocated memory is still 113.2MB. Free memory was 58.5MB in the beginning and 49.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-17 07:59:29,128 INFO L158 Benchmark]: TraceAbstraction took 33819.16ms. Allocated memory was 113.2MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 86.3MB in the beginning and 923.7MB in the end (delta: -837.4MB). Peak memory consumption was 419.7MB. Max. memory is 16.1GB. [2023-02-17 07:59:29,128 INFO L158 Benchmark]: Witness Printer took 32.25ms. Allocated memory is still 1.4GB. Free memory was 923.7MB in the beginning and 920.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 07:59:29,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory was 81.1MB in the beginning and 81.0MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 171.22ms. Allocated memory is still 113.2MB. Free memory was 70.7MB in the beginning and 61.0MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.61ms. Allocated memory is still 113.2MB. Free memory was 60.8MB in the beginning and 59.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.04ms. Allocated memory is still 113.2MB. Free memory was 59.4MB in the beginning and 58.5MB in the end (delta: 938.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 219.12ms. Allocated memory is still 113.2MB. Free memory was 58.5MB in the beginning and 49.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 33819.16ms. Allocated memory was 113.2MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 86.3MB in the beginning and 923.7MB in the end (delta: -837.4MB). Peak memory consumption was 419.7MB. Max. memory is 16.1GB. * Witness Printer took 32.25ms. Allocated memory is still 1.4GB. Free memory was 923.7MB in the beginning and 920.5MB in the end (delta: 3.1MB). 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: 33.8s, OverallIterations: 12, TraceHistogramMax: 167, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.1s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 821 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 773 mSDsluCounter, 2303 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2006 mSDsCounter, 1402 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4239 IncrementalHoareTripleChecker+Invalid, 5641 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1402 mSolverCounterUnsat, 297 mSDtfsCounter, 4239 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8135 GetRequests, 7286 SyntacticMatches, 498 SemanticMatches, 351 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7253 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, 0.9s SatisfiabilityAnalysisTime, 26.6s InterpolantComputationTime, 6711 NumberOfCodeBlocks, 5628 NumberOfCodeBlocksAsserted, 105 NumberOfCheckSat, 10024 ConstructedInterpolants, 0 QuantifiedInterpolants, 25201 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 <= x + -9 RESULT: Ultimate proved your program to be correct! [2023-02-17 07:59:29,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE