./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-simple/fibo_2calls_25-1.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 1a779a25b3e5147f7c14d79ede7be3f2d2de62e2de15b88047fe2a162a63a762 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 14:49:03,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 14:49:03,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 14:49:03,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 14:49:03,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 14:49:03,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 14:49:03,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 14:49:03,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 14:49:03,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 14:49:03,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 14:49:03,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 14:49:03,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 14:49:03,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 14:49:03,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 14:49:03,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 14:49:03,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 14:49:03,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 14:49:03,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 14:49:03,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 14:49:03,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 14:49:03,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 14:49:03,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 14:49:03,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 14:49:03,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 14:49:03,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 14:49:03,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 14:49:03,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 14:49:03,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 14:49:03,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 14:49:03,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 14:49:03,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 14:49:03,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 14:49:03,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 14:49:03,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 14:49:03,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 14:49:03,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 14:49:03,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 14:49:03,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 14:49:03,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 14:49:03,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 14:49:03,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 14:49:03,363 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-14 14:49:03,390 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 14:49:03,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 14:49:03,391 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 14:49:03,391 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 14:49:03,392 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 14:49:03,392 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 14:49:03,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 14:49:03,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 14:49:03,393 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 14:49:03,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 14:49:03,393 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 14:49:03,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 14:49:03,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 14:49:03,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 14:49:03,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 14:49:03,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 14:49:03,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 14:49:03,395 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 14:49:03,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 14:49:03,395 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 14:49:03,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 14:49:03,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 14:49:03,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 14:49:03,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 14:49:03,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 14:49:03,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 14:49:03,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 14:49:03,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 14:49:03,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 14:49:03,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 14:49:03,397 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 14:49:03,397 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 14:49:03,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 14:49:03,397 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 14:49:03,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a779a25b3e5147f7c14d79ede7be3f2d2de62e2de15b88047fe2a162a63a762 [2021-12-14 14:49:03,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 14:49:03,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 14:49:03,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 14:49:03,587 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 14:49:03,587 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 14:49:03,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2021-12-14 14:49:03,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc2984b61/2e9518219dd2428bb3921826d89bd1f6/FLAG20d9dd3a8 [2021-12-14 14:49:03,939 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 14:49:03,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2021-12-14 14:49:03,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc2984b61/2e9518219dd2428bb3921826d89bd1f6/FLAG20d9dd3a8 [2021-12-14 14:49:03,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc2984b61/2e9518219dd2428bb3921826d89bd1f6 [2021-12-14 14:49:03,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 14:49:03,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 14:49:03,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 14:49:03,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 14:49:03,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 14:49:03,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:49:03" (1/1) ... [2021-12-14 14:49:03,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f69c3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:49:03, skipping insertion in model container [2021-12-14 14:49:03,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:49:03" (1/1) ... [2021-12-14 14:49:03,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 14:49:03,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 14:49:04,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c[952,965] [2021-12-14 14:49:04,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 14:49:04,136 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 14:49:04,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c[952,965] [2021-12-14 14:49:04,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 14:49:04,161 INFO L208 MainTranslator]: Completed translation [2021-12-14 14:49:04,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:49:04 WrapperNode [2021-12-14 14:49:04,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 14:49:04,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 14:49:04,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 14:49:04,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 14:49:04,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:49:04" (1/1) ... [2021-12-14 14:49:04,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:49:04" (1/1) ... [2021-12-14 14:49:04,184 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-12-14 14:49:04,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 14:49:04,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 14:49:04,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 14:49:04,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 14:49:04,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:49:04" (1/1) ... [2021-12-14 14:49:04,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:49:04" (1/1) ... [2021-12-14 14:49:04,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:49:04" (1/1) ... [2021-12-14 14:49:04,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:49:04" (1/1) ... [2021-12-14 14:49:04,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:49:04" (1/1) ... [2021-12-14 14:49:04,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:49:04" (1/1) ... [2021-12-14 14:49:04,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:49:04" (1/1) ... [2021-12-14 14:49:04,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 14:49:04,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 14:49:04,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 14:49:04,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 14:49:04,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:49:04" (1/1) ... [2021-12-14 14:49:04,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 14:49:04,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:04,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 14:49:04,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 14:49:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 14:49:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 14:49:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-12-14 14:49:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-12-14 14:49:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-12-14 14:49:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-12-14 14:49:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 14:49:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 14:49:04,312 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 14:49:04,313 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 14:49:04,398 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 14:49:04,402 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 14:49:04,403 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 14:49:04,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:49:04 BoogieIcfgContainer [2021-12-14 14:49:04,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 14:49:04,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 14:49:04,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 14:49:04,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 14:49:04,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:49:03" (1/3) ... [2021-12-14 14:49:04,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad63e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:49:04, skipping insertion in model container [2021-12-14 14:49:04,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:49:04" (2/3) ... [2021-12-14 14:49:04,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad63e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:49:04, skipping insertion in model container [2021-12-14 14:49:04,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:49:04" (3/3) ... [2021-12-14 14:49:04,411 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_25-1.c [2021-12-14 14:49:04,430 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 14:49:04,431 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 14:49:04,461 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 14:49:04,467 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 14:49:04,467 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 14:49:04,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-14 14:49:04,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-14 14:49:04,482 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:04,483 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:04,484 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:04,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:04,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1123300790, now seen corresponding path program 1 times [2021-12-14 14:49:04,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:04,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621984384] [2021-12-14 14:49:04,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:04,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:04,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 14:49:04,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:04,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621984384] [2021-12-14 14:49:04,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621984384] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 14:49:04,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 14:49:04,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 14:49:04,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316329232] [2021-12-14 14:49:04,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 14:49:04,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 14:49:04,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:04,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 14:49:04,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 14:49:04,730 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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) [2021-12-14 14:49:04,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:04,770 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2021-12-14 14:49:04,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 14:49:04,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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 [2021-12-14 14:49:04,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:04,777 INFO L225 Difference]: With dead ends: 43 [2021-12-14 14:49:04,777 INFO L226 Difference]: Without dead ends: 27 [2021-12-14 14:49:04,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 14:49:04,782 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 4 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:04,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 126 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 14:49:04,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-12-14 14:49:04,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-12-14 14:49:04,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-12-14 14:49:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-12-14 14:49:04,812 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 10 [2021-12-14 14:49:04,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:04,812 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-12-14 14:49:04,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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) [2021-12-14 14:49:04,813 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-12-14 14:49:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-14 14:49:04,815 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:04,815 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:04,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 14:49:04,816 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:04,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:04,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1177745932, now seen corresponding path program 1 times [2021-12-14 14:49:04,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:04,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196862856] [2021-12-14 14:49:04,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:04,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:04,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 14:49:04,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:04,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196862856] [2021-12-14 14:49:04,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196862856] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 14:49:04,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 14:49:04,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 14:49:04,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359944780] [2021-12-14 14:49:04,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 14:49:04,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 14:49:04,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:04,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 14:49:04,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 14:49:04,895 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 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) [2021-12-14 14:49:04,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:04,914 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2021-12-14 14:49:04,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 14:49:04,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 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 [2021-12-14 14:49:04,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:04,917 INFO L225 Difference]: With dead ends: 33 [2021-12-14 14:49:04,917 INFO L226 Difference]: Without dead ends: 29 [2021-12-14 14:49:04,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 14:49:04,924 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:04,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 14:49:04,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-12-14 14:49:04,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2021-12-14 14:49:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-12-14 14:49:04,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-12-14 14:49:04,932 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 11 [2021-12-14 14:49:04,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:04,932 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-12-14 14:49:04,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 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) [2021-12-14 14:49:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-12-14 14:49:04,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-14 14:49:04,933 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:04,934 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:04,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 14:49:04,934 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:04,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:04,934 INFO L85 PathProgramCache]: Analyzing trace with hash 2110588723, now seen corresponding path program 1 times [2021-12-14 14:49:04,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:04,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134753907] [2021-12-14 14:49:04,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:04,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:04,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:05,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:05,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-14 14:49:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:05,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 14:49:05,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:05,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134753907] [2021-12-14 14:49:05,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134753907] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:05,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217885597] [2021-12-14 14:49:05,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:05,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:05,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:05,064 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:05,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-14 14:49:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:05,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-14 14:49:05,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 14:49:05,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 14:49:05,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 14:49:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 14:49:05,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217885597] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 14:49:05,461 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 14:49:05,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13 [2021-12-14 14:49:05,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266537551] [2021-12-14 14:49:05,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 14:49:05,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-14 14:49:05,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:05,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-14 14:49:05,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-12-14 14:49:05,467 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 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) [2021-12-14 14:49:05,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:05,596 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-12-14 14:49:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 14:49:05,596 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 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 [2021-12-14 14:49:05,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:05,597 INFO L225 Difference]: With dead ends: 55 [2021-12-14 14:49:05,597 INFO L226 Difference]: Without dead ends: 31 [2021-12-14 14:49:05,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-12-14 14:49:05,598 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 32 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:05,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 141 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-14 14:49:05,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-12-14 14:49:05,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2021-12-14 14:49:05,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2021-12-14 14:49:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2021-12-14 14:49:05,603 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 23 [2021-12-14 14:49:05,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:05,604 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-12-14 14:49:05,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 3.2) internal successors, (32), 13 states have internal predecessors, (32), 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) [2021-12-14 14:49:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2021-12-14 14:49:05,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-14 14:49:05,607 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:05,607 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:05,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-14 14:49:05,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:05,822 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:05,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:05,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1277869167, now seen corresponding path program 1 times [2021-12-14 14:49:05,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:05,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962016647] [2021-12-14 14:49:05,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:05,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:05,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:05,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:05,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 14:49:05,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:05,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962016647] [2021-12-14 14:49:05,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962016647] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:05,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146410431] [2021-12-14 14:49:05,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:05,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:05,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:05,900 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:05,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-14 14:49:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:05,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-14 14:49:05,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 14:49:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 14:49:06,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 14:49:06,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 14:49:06,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146410431] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 14:49:06,120 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 14:49:06,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2021-12-14 14:49:06,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557131412] [2021-12-14 14:49:06,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 14:49:06,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-14 14:49:06,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:06,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-14 14:49:06,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-14 14:49:06,122 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 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) [2021-12-14 14:49:06,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:06,235 INFO L93 Difference]: Finished difference Result 51 states and 71 transitions. [2021-12-14 14:49:06,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 14:49:06,236 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 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 [2021-12-14 14:49:06,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:06,241 INFO L225 Difference]: With dead ends: 51 [2021-12-14 14:49:06,241 INFO L226 Difference]: Without dead ends: 47 [2021-12-14 14:49:06,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-12-14 14:49:06,243 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 32 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:06,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 120 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-14 14:49:06,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-12-14 14:49:06,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2021-12-14 14:49:06,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2021-12-14 14:49:06,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2021-12-14 14:49:06,261 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 62 transitions. Word has length 24 [2021-12-14 14:49:06,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:06,263 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 62 transitions. [2021-12-14 14:49:06,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 2.909090909090909) internal successors, (32), 13 states have internal predecessors, (32), 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) [2021-12-14 14:49:06,264 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2021-12-14 14:49:06,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-14 14:49:06,268 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:06,269 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:06,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-14 14:49:06,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-14 14:49:06,484 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:06,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:06,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2061621832, now seen corresponding path program 1 times [2021-12-14 14:49:06,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:06,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524024356] [2021-12-14 14:49:06,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:06,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:06,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-14 14:49:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:06,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-14 14:49:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:06,578 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-14 14:49:06,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:06,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524024356] [2021-12-14 14:49:06,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524024356] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:06,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133206198] [2021-12-14 14:49:06,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:06,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:06,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:06,581 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:06,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-14 14:49:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:06,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-14 14:49:06,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 14:49:06,711 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-14 14:49:06,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 14:49:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-14 14:49:06,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133206198] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 14:49:06,998 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 14:49:06,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 9] total 15 [2021-12-14 14:49:06,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387932065] [2021-12-14 14:49:06,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 14:49:06,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-14 14:49:06,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:06,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-14 14:49:06,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-12-14 14:49:06,999 INFO L87 Difference]: Start difference. First operand 45 states and 62 transitions. Second operand has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) [2021-12-14 14:49:07,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:07,173 INFO L93 Difference]: Finished difference Result 105 states and 167 transitions. [2021-12-14 14:49:07,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 14:49:07,173 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) Word has length 36 [2021-12-14 14:49:07,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:07,174 INFO L225 Difference]: With dead ends: 105 [2021-12-14 14:49:07,175 INFO L226 Difference]: Without dead ends: 63 [2021-12-14 14:49:07,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 75 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2021-12-14 14:49:07,176 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 65 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:07,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 118 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-14 14:49:07,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-12-14 14:49:07,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-12-14 14:49:07,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 44 states have internal predecessors, (51), 12 states have call successors, (12), 5 states have call predecessors, (12), 9 states have return successors, (29), 13 states have call predecessors, (29), 12 states have call successors, (29) [2021-12-14 14:49:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2021-12-14 14:49:07,196 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 36 [2021-12-14 14:49:07,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:07,197 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2021-12-14 14:49:07,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 15 states have internal predecessors, (47), 11 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (13), 3 states have call predecessors, (13), 11 states have call successors, (13) [2021-12-14 14:49:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-12-14 14:49:07,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-14 14:49:07,199 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:07,199 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:07,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-14 14:49:07,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:07,411 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:07,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:07,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1167294498, now seen corresponding path program 1 times [2021-12-14 14:49:07,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:07,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320924316] [2021-12-14 14:49:07,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:07,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:07,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:07,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:07,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:07,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:07,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-14 14:49:07,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:07,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320924316] [2021-12-14 14:49:07,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320924316] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:07,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45630751] [2021-12-14 14:49:07,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:07,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:07,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:07,500 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:07,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-14 14:49:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:07,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-14 14:49:07,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 14:49:07,639 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-14 14:49:07,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 14:49:07,864 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-14 14:49:07,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45630751] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 14:49:07,864 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 14:49:07,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 18 [2021-12-14 14:49:07,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794567244] [2021-12-14 14:49:07,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 14:49:07,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-14 14:49:07,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:07,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-14 14:49:07,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2021-12-14 14:49:07,866 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) [2021-12-14 14:49:08,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:08,139 INFO L93 Difference]: Finished difference Result 177 states and 321 transitions. [2021-12-14 14:49:08,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-14 14:49:08,140 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) Word has length 37 [2021-12-14 14:49:08,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:08,141 INFO L225 Difference]: With dead ends: 177 [2021-12-14 14:49:08,141 INFO L226 Difference]: Without dead ends: 117 [2021-12-14 14:49:08,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=530, Unknown=0, NotChecked=0, Total=650 [2021-12-14 14:49:08,143 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 60 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:08,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 276 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-14 14:49:08,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-12-14 14:49:08,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 103. [2021-12-14 14:49:08,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 69 states have internal predecessors, (80), 21 states have call successors, (21), 7 states have call predecessors, (21), 15 states have return successors, (65), 26 states have call predecessors, (65), 21 states have call successors, (65) [2021-12-14 14:49:08,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 166 transitions. [2021-12-14 14:49:08,155 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 166 transitions. Word has length 37 [2021-12-14 14:49:08,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:08,155 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 166 transitions. [2021-12-14 14:49:08,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 3.125) internal successors, (50), 18 states have internal predecessors, (50), 11 states have call successors, (13), 1 states have call predecessors, (13), 7 states have return successors, (13), 6 states have call predecessors, (13), 11 states have call successors, (13) [2021-12-14 14:49:08,155 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions. [2021-12-14 14:49:08,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-14 14:49:08,157 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:08,157 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:08,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-14 14:49:08,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:08,373 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:08,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:08,373 INFO L85 PathProgramCache]: Analyzing trace with hash 384535367, now seen corresponding path program 1 times [2021-12-14 14:49:08,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:08,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302858080] [2021-12-14 14:49:08,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:08,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:08,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:08,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:08,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:08,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:08,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:08,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 14:49:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-14 14:49:08,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:08,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302858080] [2021-12-14 14:49:08,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302858080] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:08,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681988998] [2021-12-14 14:49:08,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:08,485 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:08,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:08,499 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:08,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-14 14:49:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:08,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-14 14:49:08,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 14:49:08,636 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-14 14:49:08,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 14:49:08,989 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 14:49:08,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681988998] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 14:49:08,990 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 14:49:08,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 11] total 20 [2021-12-14 14:49:08,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418964394] [2021-12-14 14:49:08,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 14:49:08,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-14 14:49:08,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:08,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-14 14:49:08,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2021-12-14 14:49:08,993 INFO L87 Difference]: Start difference. First operand 103 states and 166 transitions. Second operand has 20 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 20 states have internal predecessors, (60), 14 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (18), 7 states have call predecessors, (18), 14 states have call successors, (18) [2021-12-14 14:49:09,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:09,330 INFO L93 Difference]: Finished difference Result 255 states and 495 transitions. [2021-12-14 14:49:09,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-14 14:49:09,331 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 20 states have internal predecessors, (60), 14 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (18), 7 states have call predecessors, (18), 14 states have call successors, (18) Word has length 51 [2021-12-14 14:49:09,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:09,332 INFO L225 Difference]: With dead ends: 255 [2021-12-14 14:49:09,332 INFO L226 Difference]: Without dead ends: 155 [2021-12-14 14:49:09,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=662, Unknown=0, NotChecked=0, Total=812 [2021-12-14 14:49:09,333 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 76 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:09,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 280 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-14 14:49:09,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-12-14 14:49:09,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 109. [2021-12-14 14:49:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 72 states have internal predecessors, (87), 24 states have call successors, (24), 9 states have call predecessors, (24), 13 states have return successors, (66), 27 states have call predecessors, (66), 24 states have call successors, (66) [2021-12-14 14:49:09,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 177 transitions. [2021-12-14 14:49:09,345 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 177 transitions. Word has length 51 [2021-12-14 14:49:09,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:09,345 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 177 transitions. [2021-12-14 14:49:09,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 20 states have internal predecessors, (60), 14 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (18), 7 states have call predecessors, (18), 14 states have call successors, (18) [2021-12-14 14:49:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 177 transitions. [2021-12-14 14:49:09,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-14 14:49:09,347 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:09,347 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:09,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-14 14:49:09,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:09,563 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:09,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:09,564 INFO L85 PathProgramCache]: Analyzing trace with hash -586612948, now seen corresponding path program 1 times [2021-12-14 14:49:09,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:09,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475850410] [2021-12-14 14:49:09,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:09,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 14:49:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,741 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 40 proven. 57 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-14 14:49:09,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:09,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475850410] [2021-12-14 14:49:09,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475850410] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:09,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792270475] [2021-12-14 14:49:09,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:09,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:09,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:09,742 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:09,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-14 14:49:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:09,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-14 14:49:09,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 14:49:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 13 proven. 92 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-12-14 14:49:09,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 14:49:10,598 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 13 proven. 102 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-12-14 14:49:10,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792270475] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 14:49:10,598 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 14:49:10,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 24 [2021-12-14 14:49:10,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989747686] [2021-12-14 14:49:10,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 14:49:10,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-14 14:49:10,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:10,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-14 14:49:10,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2021-12-14 14:49:10,600 INFO L87 Difference]: Start difference. First operand 109 states and 177 transitions. Second operand has 24 states, 22 states have (on average 3.5) internal successors, (77), 24 states have internal predecessors, (77), 18 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (27), 11 states have call predecessors, (27), 18 states have call successors, (27) [2021-12-14 14:49:10,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:10,990 INFO L93 Difference]: Finished difference Result 240 states and 462 transitions. [2021-12-14 14:49:10,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-14 14:49:10,990 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 3.5) internal successors, (77), 24 states have internal predecessors, (77), 18 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (27), 11 states have call predecessors, (27), 18 states have call successors, (27) Word has length 93 [2021-12-14 14:49:10,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:10,991 INFO L225 Difference]: With dead ends: 240 [2021-12-14 14:49:10,992 INFO L226 Difference]: Without dead ends: 107 [2021-12-14 14:49:10,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=221, Invalid=1039, Unknown=0, NotChecked=0, Total=1260 [2021-12-14 14:49:10,993 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 111 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:10,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 270 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-14 14:49:10,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-12-14 14:49:10,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 84. [2021-12-14 14:49:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 57 states have (on average 1.1754385964912282) internal successors, (67), 58 states have internal predecessors, (67), 14 states have call successors, (14), 8 states have call predecessors, (14), 12 states have return successors, (35), 17 states have call predecessors, (35), 14 states have call successors, (35) [2021-12-14 14:49:10,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 116 transitions. [2021-12-14 14:49:10,999 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 116 transitions. Word has length 93 [2021-12-14 14:49:10,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:10,999 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 116 transitions. [2021-12-14 14:49:11,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 3.5) internal successors, (77), 24 states have internal predecessors, (77), 18 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (27), 11 states have call predecessors, (27), 18 states have call successors, (27) [2021-12-14 14:49:11,000 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2021-12-14 14:49:11,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-14 14:49:11,000 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:11,001 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:11,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-14 14:49:11,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:11,221 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:11,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:11,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1129417830, now seen corresponding path program 1 times [2021-12-14 14:49:11,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:11,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752891654] [2021-12-14 14:49:11,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:11,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 14:49:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-14 14:49:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 73 proven. 135 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2021-12-14 14:49:11,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:11,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752891654] [2021-12-14 14:49:11,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752891654] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:11,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880290070] [2021-12-14 14:49:11,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:11,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:11,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:11,431 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:11,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-14 14:49:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:11,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-14 14:49:11,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 14:49:11,774 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 36 proven. 211 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2021-12-14 14:49:11,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 14:49:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 36 proven. 227 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-14 14:49:12,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880290070] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 14:49:12,761 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 14:49:12,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 15] total 26 [2021-12-14 14:49:12,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913456949] [2021-12-14 14:49:12,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 14:49:12,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-14 14:49:12,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:12,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-14 14:49:12,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=549, Unknown=0, NotChecked=0, Total=650 [2021-12-14 14:49:12,763 INFO L87 Difference]: Start difference. First operand 84 states and 116 transitions. Second operand has 26 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 26 states have internal predecessors, (82), 20 states have call successors, (25), 1 states have call predecessors, (25), 10 states have return successors, (32), 12 states have call predecessors, (32), 20 states have call successors, (32) [2021-12-14 14:49:13,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:13,157 INFO L93 Difference]: Finished difference Result 214 states and 372 transitions. [2021-12-14 14:49:13,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-14 14:49:13,157 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 26 states have internal predecessors, (82), 20 states have call successors, (25), 1 states have call predecessors, (25), 10 states have return successors, (32), 12 states have call predecessors, (32), 20 states have call successors, (32) Word has length 148 [2021-12-14 14:49:13,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:13,158 INFO L225 Difference]: With dead ends: 214 [2021-12-14 14:49:13,158 INFO L226 Difference]: Without dead ends: 134 [2021-12-14 14:49:13,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=275, Invalid=1285, Unknown=0, NotChecked=0, Total=1560 [2021-12-14 14:49:13,160 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 108 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:13,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 313 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-14 14:49:13,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-14 14:49:13,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 114. [2021-12-14 14:49:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 77 states have (on average 1.2077922077922079) internal successors, (93), 78 states have internal predecessors, (93), 20 states have call successors, (20), 11 states have call predecessors, (20), 16 states have return successors, (56), 24 states have call predecessors, (56), 20 states have call successors, (56) [2021-12-14 14:49:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 169 transitions. [2021-12-14 14:49:13,169 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 169 transitions. Word has length 148 [2021-12-14 14:49:13,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:13,170 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 169 transitions. [2021-12-14 14:49:13,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 3.4166666666666665) internal successors, (82), 26 states have internal predecessors, (82), 20 states have call successors, (25), 1 states have call predecessors, (25), 10 states have return successors, (32), 12 states have call predecessors, (32), 20 states have call successors, (32) [2021-12-14 14:49:13,170 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 169 transitions. [2021-12-14 14:49:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-12-14 14:49:13,174 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:13,175 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 18, 18, 17, 16, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 6, 4, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:13,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-14 14:49:13,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:13,384 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:13,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:13,385 INFO L85 PathProgramCache]: Analyzing trace with hash -399650163, now seen corresponding path program 2 times [2021-12-14 14:49:13,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:13,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641222462] [2021-12-14 14:49:13,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:13,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 14:49:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-14 14:49:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-14 14:49:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 169 proven. 360 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2021-12-14 14:49:13,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:13,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641222462] [2021-12-14 14:49:13,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641222462] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:13,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864211063] [2021-12-14 14:49:13,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-14 14:49:13,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:13,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:13,754 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:13,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-14 14:49:13,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-14 14:49:13,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 14:49:13,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-14 14:49:13,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 14:49:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 79 proven. 543 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-12-14 14:49:14,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 14:49:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 79 proven. 567 refuted. 0 times theorem prover too weak. 1386 trivial. 0 not checked. [2021-12-14 14:49:15,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864211063] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 14:49:15,815 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 14:49:15,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 17] total 28 [2021-12-14 14:49:15,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360098578] [2021-12-14 14:49:15,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 14:49:15,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-14 14:49:15,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:15,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-14 14:49:15,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2021-12-14 14:49:15,816 INFO L87 Difference]: Start difference. First operand 114 states and 169 transitions. Second operand has 28 states, 26 states have (on average 3.5) internal successors, (91), 28 states have internal predecessors, (91), 22 states have call successors, (28), 1 states have call predecessors, (28), 11 states have return successors, (37), 14 states have call predecessors, (37), 22 states have call successors, (37) [2021-12-14 14:49:16,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:16,307 INFO L93 Difference]: Finished difference Result 260 states and 447 transitions. [2021-12-14 14:49:16,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-14 14:49:16,307 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 3.5) internal successors, (91), 28 states have internal predecessors, (91), 22 states have call successors, (28), 1 states have call predecessors, (28), 11 states have return successors, (37), 14 states have call predecessors, (37), 22 states have call successors, (37) Word has length 271 [2021-12-14 14:49:16,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:16,311 INFO L225 Difference]: With dead ends: 260 [2021-12-14 14:49:16,311 INFO L226 Difference]: Without dead ends: 155 [2021-12-14 14:49:16,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=342, Invalid=1638, Unknown=0, NotChecked=0, Total=1980 [2021-12-14 14:49:16,312 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 127 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:16,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 361 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-14 14:49:16,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-12-14 14:49:16,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 145. [2021-12-14 14:49:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 101 states have (on average 1.2376237623762376) internal successors, (125), 99 states have internal predecessors, (125), 26 states have call successors, (26), 18 states have call predecessors, (26), 17 states have return successors, (73), 27 states have call predecessors, (73), 26 states have call successors, (73) [2021-12-14 14:49:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 224 transitions. [2021-12-14 14:49:16,326 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 224 transitions. Word has length 271 [2021-12-14 14:49:16,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:16,326 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 224 transitions. [2021-12-14 14:49:16,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 3.5) internal successors, (91), 28 states have internal predecessors, (91), 22 states have call successors, (28), 1 states have call predecessors, (28), 11 states have return successors, (37), 14 states have call predecessors, (37), 22 states have call successors, (37) [2021-12-14 14:49:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 224 transitions. [2021-12-14 14:49:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-12-14 14:49:16,332 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:16,332 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 25, 25, 22, 22, 15, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 12, 12, 10, 8, 7, 3, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:16,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-14 14:49:16,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-14 14:49:16,547 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:16,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:16,548 INFO L85 PathProgramCache]: Analyzing trace with hash -854779469, now seen corresponding path program 3 times [2021-12-14 14:49:16,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:16,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531202576] [2021-12-14 14:49:16,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:16,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 14:49:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 14:49:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-14 14:49:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:16,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:17,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 245 proven. 607 refuted. 0 times theorem prover too weak. 3234 trivial. 0 not checked. [2021-12-14 14:49:17,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:17,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531202576] [2021-12-14 14:49:17,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531202576] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:17,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530690769] [2021-12-14 14:49:17,026 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-14 14:49:17,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:17,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:17,027 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:17,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-14 14:49:17,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-12-14 14:49:17,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 14:49:17,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-14 14:49:17,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 14:49:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 726 proven. 42 refuted. 0 times theorem prover too weak. 3318 trivial. 0 not checked. [2021-12-14 14:49:17,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 14:49:18,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 726 proven. 43 refuted. 0 times theorem prover too weak. 3317 trivial. 0 not checked. [2021-12-14 14:49:18,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530690769] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 14:49:18,787 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 14:49:18,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 26 [2021-12-14 14:49:18,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055827613] [2021-12-14 14:49:18,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 14:49:18,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-14 14:49:18,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:18,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-14 14:49:18,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=553, Unknown=0, NotChecked=0, Total=650 [2021-12-14 14:49:18,790 INFO L87 Difference]: Start difference. First operand 145 states and 224 transitions. Second operand has 26 states, 25 states have (on average 3.44) internal successors, (86), 26 states have internal predecessors, (86), 15 states have call successors, (26), 1 states have call predecessors, (26), 9 states have return successors, (32), 16 states have call predecessors, (32), 15 states have call successors, (32) [2021-12-14 14:49:19,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:19,072 INFO L93 Difference]: Finished difference Result 308 states and 520 transitions. [2021-12-14 14:49:19,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-14 14:49:19,073 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.44) internal successors, (86), 26 states have internal predecessors, (86), 15 states have call successors, (26), 1 states have call predecessors, (26), 9 states have return successors, (32), 16 states have call predecessors, (32), 15 states have call successors, (32) Word has length 378 [2021-12-14 14:49:19,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:19,074 INFO L225 Difference]: With dead ends: 308 [2021-12-14 14:49:19,074 INFO L226 Difference]: Without dead ends: 168 [2021-12-14 14:49:19,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 888 GetRequests, 853 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=199, Invalid=991, Unknown=0, NotChecked=0, Total=1190 [2021-12-14 14:49:19,076 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 91 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:19,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 302 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-14 14:49:19,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-12-14 14:49:19,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165. [2021-12-14 14:49:19,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 116 states have (on average 1.1379310344827587) internal successors, (132), 112 states have internal predecessors, (132), 32 states have call successors, (32), 24 states have call predecessors, (32), 16 states have return successors, (79), 28 states have call predecessors, (79), 32 states have call successors, (79) [2021-12-14 14:49:19,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 243 transitions. [2021-12-14 14:49:19,083 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 243 transitions. Word has length 378 [2021-12-14 14:49:19,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:19,083 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 243 transitions. [2021-12-14 14:49:19,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.44) internal successors, (86), 26 states have internal predecessors, (86), 15 states have call successors, (26), 1 states have call predecessors, (26), 9 states have return successors, (32), 16 states have call predecessors, (32), 15 states have call successors, (32) [2021-12-14 14:49:19,084 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2021-12-14 14:49:19,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2021-12-14 14:49:19,099 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:19,099 INFO L514 BasicCegarLoop]: trace histogram [45, 45, 42, 42, 37, 34, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 21, 16, 12, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:19,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-14 14:49:19,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:19,315 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:19,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:19,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1952053737, now seen corresponding path program 4 times [2021-12-14 14:49:19,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:19,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579689836] [2021-12-14 14:49:19,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:19,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 14:49:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:19,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-14 14:49:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 14:49:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:20,202 INFO L134 CoverageAnalysis]: Checked inductivity of 10395 backedges. 367 proven. 1344 refuted. 0 times theorem prover too weak. 8684 trivial. 0 not checked. [2021-12-14 14:49:20,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:20,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579689836] [2021-12-14 14:49:20,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579689836] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:20,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022055371] [2021-12-14 14:49:20,203 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-14 14:49:20,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:20,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:20,204 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:20,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-14 14:49:20,384 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-14 14:49:20,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 14:49:20,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-14 14:49:20,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 14:49:21,093 INFO L134 CoverageAnalysis]: Checked inductivity of 10395 backedges. 4111 proven. 176 refuted. 0 times theorem prover too weak. 6108 trivial. 0 not checked. [2021-12-14 14:49:21,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 14:49:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 10395 backedges. 342 proven. 1742 refuted. 0 times theorem prover too weak. 8311 trivial. 0 not checked. [2021-12-14 14:49:23,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022055371] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 14:49:23,582 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 14:49:23,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 19] total 31 [2021-12-14 14:49:23,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460459054] [2021-12-14 14:49:23,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 14:49:23,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-14 14:49:23,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:23,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-14 14:49:23,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=778, Unknown=0, NotChecked=0, Total=930 [2021-12-14 14:49:23,584 INFO L87 Difference]: Start difference. First operand 165 states and 243 transitions. Second operand has 31 states, 31 states have (on average 3.6129032258064515) internal successors, (112), 31 states have internal predecessors, (112), 25 states have call successors, (36), 2 states have call predecessors, (36), 11 states have return successors, (43), 15 states have call predecessors, (43), 25 states have call successors, (43) [2021-12-14 14:49:23,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:23,931 INFO L93 Difference]: Finished difference Result 338 states and 521 transitions. [2021-12-14 14:49:23,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-14 14:49:23,936 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.6129032258064515) internal successors, (112), 31 states have internal predecessors, (112), 25 states have call successors, (36), 2 states have call predecessors, (36), 11 states have return successors, (43), 15 states have call predecessors, (43), 25 states have call successors, (43) Word has length 597 [2021-12-14 14:49:23,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:23,939 INFO L225 Difference]: With dead ends: 338 [2021-12-14 14:49:23,939 INFO L226 Difference]: Without dead ends: 180 [2021-12-14 14:49:23,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1392 GetRequests, 1352 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=277, Invalid=1283, Unknown=0, NotChecked=0, Total=1560 [2021-12-14 14:49:23,941 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 70 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:23,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 368 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-14 14:49:23,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2021-12-14 14:49:23,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 175. [2021-12-14 14:49:23,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 124 states have (on average 1.096774193548387) internal successors, (136), 119 states have internal predecessors, (136), 34 states have call successors, (34), 27 states have call predecessors, (34), 16 states have return successors, (83), 28 states have call predecessors, (83), 34 states have call successors, (83) [2021-12-14 14:49:23,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 253 transitions. [2021-12-14 14:49:23,954 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 253 transitions. Word has length 597 [2021-12-14 14:49:23,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:23,955 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 253 transitions. [2021-12-14 14:49:23,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.6129032258064515) internal successors, (112), 31 states have internal predecessors, (112), 25 states have call successors, (36), 2 states have call predecessors, (36), 11 states have return successors, (43), 15 states have call predecessors, (43), 25 states have call successors, (43) [2021-12-14 14:49:23,955 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 253 transitions. [2021-12-14 14:49:23,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2021-12-14 14:49:23,960 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:23,960 INFO L514 BasicCegarLoop]: trace histogram [35, 35, 32, 32, 28, 26, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 12, 9, 7, 6, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:23,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-14 14:49:24,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-14 14:49:24,179 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:24,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:24,180 INFO L85 PathProgramCache]: Analyzing trace with hash 517738603, now seen corresponding path program 5 times [2021-12-14 14:49:24,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:24,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187356820] [2021-12-14 14:49:24,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:24,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 14:49:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-14 14:49:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6091 backedges. 553 proven. 941 refuted. 0 times theorem prover too weak. 4597 trivial. 0 not checked. [2021-12-14 14:49:24,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:24,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187356820] [2021-12-14 14:49:24,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187356820] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:24,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461107042] [2021-12-14 14:49:24,743 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-14 14:49:24,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:24,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:24,744 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:24,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-14 14:49:24,907 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2021-12-14 14:49:24,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 14:49:24,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-14 14:49:24,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 14:49:25,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6091 backedges. 3422 proven. 234 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2021-12-14 14:49:25,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 14:49:27,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6091 backedges. 483 proven. 1069 refuted. 0 times theorem prover too weak. 4539 trivial. 0 not checked. [2021-12-14 14:49:27,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461107042] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 14:49:27,638 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 14:49:27,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 19] total 38 [2021-12-14 14:49:27,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061396946] [2021-12-14 14:49:27,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 14:49:27,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-12-14 14:49:27,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:27,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-12-14 14:49:27,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=1206, Unknown=0, NotChecked=0, Total=1406 [2021-12-14 14:49:27,640 INFO L87 Difference]: Start difference. First operand 175 states and 253 transitions. Second operand has 38 states, 38 states have (on average 3.289473684210526) internal successors, (125), 38 states have internal predecessors, (125), 26 states have call successors, (41), 2 states have call predecessors, (41), 15 states have return successors, (51), 26 states have call predecessors, (51), 26 states have call successors, (51) [2021-12-14 14:49:28,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:28,443 INFO L93 Difference]: Finished difference Result 378 states and 579 transitions. [2021-12-14 14:49:28,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-12-14 14:49:28,445 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 3.289473684210526) internal successors, (125), 38 states have internal predecessors, (125), 26 states have call successors, (41), 2 states have call predecessors, (41), 15 states have return successors, (51), 26 states have call predecessors, (51), 26 states have call successors, (51) Word has length 460 [2021-12-14 14:49:28,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:28,447 INFO L225 Difference]: With dead ends: 378 [2021-12-14 14:49:28,447 INFO L226 Difference]: Without dead ends: 209 [2021-12-14 14:49:28,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1097 GetRequests, 1034 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1089 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=574, Invalid=3332, Unknown=0, NotChecked=0, Total=3906 [2021-12-14 14:49:28,449 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 161 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:28,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 503 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-14 14:49:28,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-12-14 14:49:28,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 174. [2021-12-14 14:49:28,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 123 states have (on average 1.089430894308943) internal successors, (134), 118 states have internal predecessors, (134), 34 states have call successors, (34), 27 states have call predecessors, (34), 16 states have return successors, (73), 28 states have call predecessors, (73), 34 states have call successors, (73) [2021-12-14 14:49:28,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 241 transitions. [2021-12-14 14:49:28,460 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 241 transitions. Word has length 460 [2021-12-14 14:49:28,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:28,460 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 241 transitions. [2021-12-14 14:49:28,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.289473684210526) internal successors, (125), 38 states have internal predecessors, (125), 26 states have call successors, (41), 2 states have call predecessors, (41), 15 states have return successors, (51), 26 states have call predecessors, (51), 26 states have call successors, (51) [2021-12-14 14:49:28,461 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 241 transitions. [2021-12-14 14:49:28,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2021-12-14 14:49:28,462 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:28,462 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 27, 27, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 11, 10, 7, 6, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:28,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-14 14:49:28,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-14 14:49:28,675 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:28,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:28,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1402769443, now seen corresponding path program 6 times [2021-12-14 14:49:28,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:28,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905538960] [2021-12-14 14:49:28,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:28,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:28,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:28,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:28,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:28,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 14:49:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-14 14:49:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:29,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 179 proven. 1128 refuted. 0 times theorem prover too weak. 4775 trivial. 0 not checked. [2021-12-14 14:49:29,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:29,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905538960] [2021-12-14 14:49:29,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905538960] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:29,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690464947] [2021-12-14 14:49:29,200 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-14 14:49:29,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:29,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:29,216 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:29,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-14 14:49:29,404 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-12-14 14:49:29,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 14:49:29,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-14 14:49:29,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 14:49:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 305 proven. 690 refuted. 0 times theorem prover too weak. 5087 trivial. 0 not checked. [2021-12-14 14:49:29,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 14:49:31,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 305 proven. 708 refuted. 0 times theorem prover too weak. 5069 trivial. 0 not checked. [2021-12-14 14:49:31,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690464947] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 14:49:31,489 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 14:49:31,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11, 15] total 31 [2021-12-14 14:49:31,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299333761] [2021-12-14 14:49:31,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 14:49:31,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-14 14:49:31,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:31,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-14 14:49:31,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=754, Unknown=0, NotChecked=0, Total=930 [2021-12-14 14:49:31,491 INFO L87 Difference]: Start difference. First operand 174 states and 241 transitions. Second operand has 31 states, 29 states have (on average 2.9655172413793105) internal successors, (86), 31 states have internal predecessors, (86), 22 states have call successors, (28), 1 states have call predecessors, (28), 11 states have return successors, (36), 21 states have call predecessors, (36), 22 states have call successors, (36) [2021-12-14 14:49:31,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:31,808 INFO L93 Difference]: Finished difference Result 503 states and 767 transitions. [2021-12-14 14:49:31,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-14 14:49:31,816 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 2.9655172413793105) internal successors, (86), 31 states have internal predecessors, (86), 22 states have call successors, (28), 1 states have call predecessors, (28), 11 states have return successors, (36), 21 states have call predecessors, (36), 22 states have call successors, (36) Word has length 460 [2021-12-14 14:49:31,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:31,820 INFO L225 Difference]: With dead ends: 503 [2021-12-14 14:49:31,820 INFO L226 Difference]: Without dead ends: 499 [2021-12-14 14:49:31,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1073 GetRequests, 1041 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=220, Invalid=902, Unknown=0, NotChecked=0, Total=1122 [2021-12-14 14:49:31,821 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 139 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:31,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 267 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-14 14:49:31,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2021-12-14 14:49:31,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 471. [2021-12-14 14:49:31,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 323 states have (on average 1.0712074303405572) internal successors, (346), 314 states have internal predecessors, (346), 105 states have call successors, (105), 65 states have call predecessors, (105), 42 states have return successors, (265), 91 states have call predecessors, (265), 105 states have call successors, (265) [2021-12-14 14:49:31,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 716 transitions. [2021-12-14 14:49:31,839 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 716 transitions. Word has length 460 [2021-12-14 14:49:31,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:31,839 INFO L470 AbstractCegarLoop]: Abstraction has 471 states and 716 transitions. [2021-12-14 14:49:31,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 2.9655172413793105) internal successors, (86), 31 states have internal predecessors, (86), 22 states have call successors, (28), 1 states have call predecessors, (28), 11 states have return successors, (36), 21 states have call predecessors, (36), 22 states have call successors, (36) [2021-12-14 14:49:31,840 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 716 transitions. [2021-12-14 14:49:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2021-12-14 14:49:31,845 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:31,845 INFO L514 BasicCegarLoop]: trace histogram [68, 68, 67, 67, 55, 54, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 33, 21, 21, 14, 12, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:31,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-14 14:49:32,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-14 14:49:32,055 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:32,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:32,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1177028661, now seen corresponding path program 7 times [2021-12-14 14:49:32,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:32,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791235656] [2021-12-14 14:49:32,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:32,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:32,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:32,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 14:49:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-14 14:49:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 14:49:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-14 14:49:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-14 14:49:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2021-12-14 14:49:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,670 INFO L134 CoverageAnalysis]: Checked inductivity of 25228 backedges. 2233 proven. 2139 refuted. 0 times theorem prover too weak. 20856 trivial. 0 not checked. [2021-12-14 14:49:33,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:33,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791235656] [2021-12-14 14:49:33,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791235656] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:33,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166517226] [2021-12-14 14:49:33,670 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-14 14:49:33,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:33,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:33,672 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:33,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-14 14:49:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:33,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 2073 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-14 14:49:34,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 14:49:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 25228 backedges. 435 proven. 2725 refuted. 0 times theorem prover too weak. 22068 trivial. 0 not checked. [2021-12-14 14:49:34,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 14:49:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 25228 backedges. 435 proven. 2769 refuted. 0 times theorem prover too weak. 22024 trivial. 0 not checked. [2021-12-14 14:49:38,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166517226] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 14:49:38,796 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 14:49:38,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 21] total 44 [2021-12-14 14:49:38,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386597517] [2021-12-14 14:49:38,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 14:49:38,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2021-12-14 14:49:38,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:38,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-12-14 14:49:38,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=1625, Unknown=0, NotChecked=0, Total=1892 [2021-12-14 14:49:38,800 INFO L87 Difference]: Start difference. First operand 471 states and 716 transitions. Second operand has 44 states, 42 states have (on average 2.7857142857142856) internal successors, (117), 44 states have internal predecessors, (117), 34 states have call successors, (40), 1 states have call predecessors, (40), 17 states have return successors, (55), 28 states have call predecessors, (55), 34 states have call successors, (55) [2021-12-14 14:49:39,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:39,878 INFO L93 Difference]: Finished difference Result 921 states and 1535 transitions. [2021-12-14 14:49:39,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-12-14 14:49:39,879 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 42 states have (on average 2.7857142857142856) internal successors, (117), 44 states have internal predecessors, (117), 34 states have call successors, (40), 1 states have call predecessors, (40), 17 states have return successors, (55), 28 states have call predecessors, (55), 34 states have call successors, (55) Word has length 923 [2021-12-14 14:49:39,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:39,882 INFO L225 Difference]: With dead ends: 921 [2021-12-14 14:49:39,882 INFO L226 Difference]: Without dead ends: 306 [2021-12-14 14:49:39,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2168 GetRequests, 2099 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1498 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=688, Invalid=4282, Unknown=0, NotChecked=0, Total=4970 [2021-12-14 14:49:39,890 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 170 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 2005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:39,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 672 Invalid, 2005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 1675 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-14 14:49:39,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-12-14 14:49:39,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 262. [2021-12-14 14:49:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 188 states have (on average 1.074468085106383) internal successors, (202), 180 states have internal predecessors, (202), 53 states have call successors, (53), 45 states have call predecessors, (53), 20 states have return successors, (119), 36 states have call predecessors, (119), 53 states have call successors, (119) [2021-12-14 14:49:39,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 374 transitions. [2021-12-14 14:49:39,905 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 374 transitions. Word has length 923 [2021-12-14 14:49:39,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:39,905 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 374 transitions. [2021-12-14 14:49:39,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 42 states have (on average 2.7857142857142856) internal successors, (117), 44 states have internal predecessors, (117), 34 states have call successors, (40), 1 states have call predecessors, (40), 17 states have return successors, (55), 28 states have call predecessors, (55), 34 states have call successors, (55) [2021-12-14 14:49:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 374 transitions. [2021-12-14 14:49:39,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1578 [2021-12-14 14:49:39,917 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:39,918 INFO L514 BasicCegarLoop]: trace histogram [117, 117, 114, 114, 94, 93, 58, 58, 58, 58, 58, 58, 58, 57, 57, 57, 57, 57, 57, 57, 36, 36, 24, 20, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:39,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-14 14:49:40,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-14 14:49:40,123 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:40,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:40,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1484512937, now seen corresponding path program 8 times [2021-12-14 14:49:40,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:40,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495108630] [2021-12-14 14:49:40,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:40,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:41,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:41,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:41,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:41,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:41,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:41,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:41,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:41,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:41,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:41,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 14:49:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-14 14:49:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-14 14:49:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 14:49:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-14 14:49:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2021-12-14 14:49:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 14:49:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-14 14:49:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-14 14:49:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 14:49:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-14 14:49:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:42,848 INFO L134 CoverageAnalysis]: Checked inductivity of 74553 backedges. 1264 proven. 6049 refuted. 0 times theorem prover too weak. 67240 trivial. 0 not checked. [2021-12-14 14:49:42,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:42,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495108630] [2021-12-14 14:49:42,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495108630] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:42,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053151047] [2021-12-14 14:49:42,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-14 14:49:42,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:42,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:42,850 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:42,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-14 14:49:43,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-14 14:49:43,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 14:49:43,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 3525 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-14 14:49:43,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 14:49:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 74553 backedges. 643 proven. 5549 refuted. 0 times theorem prover too weak. 68361 trivial. 0 not checked. [2021-12-14 14:49:44,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 14:49:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 74553 backedges. 643 proven. 5605 refuted. 0 times theorem prover too weak. 68305 trivial. 0 not checked. [2021-12-14 14:49:50,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053151047] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 14:49:50,937 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 14:49:50,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 15, 23] total 43 [2021-12-14 14:49:50,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437778803] [2021-12-14 14:49:50,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 14:49:50,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-12-14 14:49:50,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 14:49:50,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-12-14 14:49:50,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=1548, Unknown=0, NotChecked=0, Total=1806 [2021-12-14 14:49:50,940 INFO L87 Difference]: Start difference. First operand 262 states and 374 transitions. Second operand has 43 states, 41 states have (on average 3.0) internal successors, (123), 43 states have internal predecessors, (123), 35 states have call successors, (42), 1 states have call predecessors, (42), 17 states have return successors, (58), 26 states have call predecessors, (58), 35 states have call successors, (58) [2021-12-14 14:49:52,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 14:49:52,020 INFO L93 Difference]: Finished difference Result 588 states and 954 transitions. [2021-12-14 14:49:52,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-12-14 14:49:52,021 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 41 states have (on average 3.0) internal successors, (123), 43 states have internal predecessors, (123), 35 states have call successors, (42), 1 states have call predecessors, (42), 17 states have return successors, (58), 26 states have call predecessors, (58), 35 states have call successors, (58) Word has length 1577 [2021-12-14 14:49:52,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 14:49:52,024 INFO L225 Difference]: With dead ends: 588 [2021-12-14 14:49:52,024 INFO L226 Difference]: Without dead ends: 332 [2021-12-14 14:49:52,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3668 GetRequests, 3598 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1421 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=724, Invalid=4388, Unknown=0, NotChecked=0, Total=5112 [2021-12-14 14:49:52,027 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 185 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 1621 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 1977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 1621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-14 14:49:52,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 683 Invalid, 1977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 1621 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-14 14:49:52,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-12-14 14:49:52,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 302. [2021-12-14 14:49:52,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.0783410138248848) internal successors, (234), 208 states have internal predecessors, (234), 62 states have call successors, (62), 53 states have call predecessors, (62), 22 states have return successors, (142), 40 states have call predecessors, (142), 62 states have call successors, (142) [2021-12-14 14:49:52,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 438 transitions. [2021-12-14 14:49:52,044 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 438 transitions. Word has length 1577 [2021-12-14 14:49:52,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 14:49:52,045 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 438 transitions. [2021-12-14 14:49:52,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 41 states have (on average 3.0) internal successors, (123), 43 states have internal predecessors, (123), 35 states have call successors, (42), 1 states have call predecessors, (42), 17 states have return successors, (58), 26 states have call predecessors, (58), 35 states have call successors, (58) [2021-12-14 14:49:52,045 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 438 transitions. [2021-12-14 14:49:52,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2422 [2021-12-14 14:49:52,098 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 14:49:52,098 INFO L514 BasicCegarLoop]: trace histogram [179, 179, 176, 176, 144, 143, 89, 89, 89, 89, 89, 89, 89, 88, 88, 88, 88, 88, 88, 88, 56, 54, 35, 33, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 14:49:52,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-12-14 14:49:52,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:52,322 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 14:49:52,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 14:49:52,323 INFO L85 PathProgramCache]: Analyzing trace with hash -740007557, now seen corresponding path program 9 times [2021-12-14 14:49:52,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 14:49:52,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234460947] [2021-12-14 14:49:52,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 14:49:52,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 14:49:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:54,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 14:49:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 14:49:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-14 14:49:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-14 14:49:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 14:49:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2021-12-14 14:49:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:56,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 14:49:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1031 [2021-12-14 14:49:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 14:49:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-14 14:49:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-14 14:49:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-12-14 14:49:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 14:49:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-14 14:49:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1099 [2021-12-14 14:49:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 14:49:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 14:49:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 14:49:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 14:49:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 14:49:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 14:49:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 14:49:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 14:49:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 176749 backedges. 3222 proven. 11483 refuted. 0 times theorem prover too weak. 162044 trivial. 0 not checked. [2021-12-14 14:49:58,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 14:49:58,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234460947] [2021-12-14 14:49:58,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234460947] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 14:49:58,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051394793] [2021-12-14 14:49:58,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-14 14:49:58,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 14:49:58,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 14:49:58,358 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 14:49:58,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-14 14:49:58,823 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 44 check-sat command(s) [2021-12-14 14:49:58,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 14:49:58,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 1741 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-14 14:49:58,847 INFO L286 TraceCheckSpWp]: Computing forward predicates...