./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 ae007674 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-dev-ae00767 [2021-12-28 01:00:13,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 01:00:13,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 01:00:13,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 01:00:13,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 01:00:13,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 01:00:13,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 01:00:13,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 01:00:13,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 01:00:13,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 01:00:13,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 01:00:13,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 01:00:13,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 01:00:13,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 01:00:13,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 01:00:13,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 01:00:13,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 01:00:13,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 01:00:13,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 01:00:13,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 01:00:13,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 01:00:13,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 01:00:13,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 01:00:13,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 01:00:13,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 01:00:13,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 01:00:13,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 01:00:13,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 01:00:13,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 01:00:13,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 01:00:13,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 01:00:13,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 01:00:13,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 01:00:13,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 01:00:13,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 01:00:13,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 01:00:13,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 01:00:13,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 01:00:13,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 01:00:13,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 01:00:13,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 01:00:13,618 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 01:00:13,643 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 01:00:13,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 01:00:13,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 01:00:13,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 01:00:13,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 01:00:13,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 01:00:13,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 01:00:13,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 01:00:13,646 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 01:00:13,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 01:00:13,647 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 01:00:13,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 01:00:13,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 01:00:13,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 01:00:13,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 01:00:13,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 01:00:13,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 01:00:13,648 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 01:00:13,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 01:00:13,649 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 01:00:13,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 01:00:13,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 01:00:13,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 01:00:13,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 01:00:13,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 01:00:13,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 01:00:13,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 01:00:13,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 01:00:13,650 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 01:00:13,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 01:00:13,650 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 01:00:13,650 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 01:00:13,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 01:00:13,651 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a779a25b3e5147f7c14d79ede7be3f2d2de62e2de15b88047fe2a162a63a762 [2021-12-28 01:00:13,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 01:00:13,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 01:00:13,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 01:00:13,985 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 01:00:13,986 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 01:00:13,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2021-12-28 01:00:14,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f555b136/e61579822c7c47b0b7a6c0c0f179bc3e/FLAG10a068cdd [2021-12-28 01:00:14,542 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 01:00:14,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2021-12-28 01:00:14,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f555b136/e61579822c7c47b0b7a6c0c0f179bc3e/FLAG10a068cdd [2021-12-28 01:00:15,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f555b136/e61579822c7c47b0b7a6c0c0f179bc3e [2021-12-28 01:00:15,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 01:00:15,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 01:00:15,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 01:00:15,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 01:00:15,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 01:00:15,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 01:00:15" (1/1) ... [2021-12-28 01:00:15,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c28f66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:00:15, skipping insertion in model container [2021-12-28 01:00:15,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 01:00:15" (1/1) ... [2021-12-28 01:00:15,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 01:00:15,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 01:00:15,244 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] [2021-12-28 01:00:15,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 01:00:15,270 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 01:00:15,284 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] [2021-12-28 01:00:15,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 01:00:15,313 INFO L208 MainTranslator]: Completed translation [2021-12-28 01:00:15,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:00:15 WrapperNode [2021-12-28 01:00:15,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 01:00:15,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 01:00:15,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 01:00:15,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 01:00:15,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:00:15" (1/1) ... [2021-12-28 01:00:15,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:00:15" (1/1) ... [2021-12-28 01:00:15,390 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-12-28 01:00:15,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 01:00:15,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 01:00:15,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 01:00:15,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 01:00:15,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:00:15" (1/1) ... [2021-12-28 01:00:15,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:00:15" (1/1) ... [2021-12-28 01:00:15,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:00:15" (1/1) ... [2021-12-28 01:00:15,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:00:15" (1/1) ... [2021-12-28 01:00:15,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:00:15" (1/1) ... [2021-12-28 01:00:15,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:00:15" (1/1) ... [2021-12-28 01:00:15,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:00:15" (1/1) ... [2021-12-28 01:00:15,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 01:00:15,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 01:00:15,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 01:00:15,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 01:00:15,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:00:15" (1/1) ... [2021-12-28 01:00:15,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 01:00:15,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:15,480 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) [2021-12-28 01:00:15,510 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 [2021-12-28 01:00:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 01:00:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 01:00:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-12-28 01:00:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-12-28 01:00:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-12-28 01:00:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-12-28 01:00:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 01:00:15,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 01:00:15,573 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 01:00:15,574 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 01:00:15,653 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 01:00:15,657 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 01:00:15,657 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 01:00:15,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 01:00:15 BoogieIcfgContainer [2021-12-28 01:00:15,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 01:00:15,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 01:00:15,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 01:00:15,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 01:00:15,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 01:00:15" (1/3) ... [2021-12-28 01:00:15,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4361dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 01:00:15, skipping insertion in model container [2021-12-28 01:00:15,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:00:15" (2/3) ... [2021-12-28 01:00:15,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4361dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 01:00:15, skipping insertion in model container [2021-12-28 01:00:15,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 01:00:15" (3/3) ... [2021-12-28 01:00:15,663 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_25-1.c [2021-12-28 01:00:15,666 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 01:00:15,666 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 01:00:15,699 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 01:00:15,703 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 [2021-12-28 01:00:15,704 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 01:00:15,713 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) [2021-12-28 01:00:15,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-28 01:00:15,731 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:15,732 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 01:00:15,732 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:15,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:15,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1123300790, now seen corresponding path program 1 times [2021-12-28 01:00:15,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:15,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020764733] [2021-12-28 01:00:15,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:15,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:15,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:15,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 01:00:15,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:15,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020764733] [2021-12-28 01:00:15,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020764733] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 01:00:15,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 01:00:15,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 01:00:15,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203345291] [2021-12-28 01:00:15,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 01:00:15,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 01:00:15,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:15,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 01:00:15,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 01:00:15,989 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) [2021-12-28 01:00:16,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:16,029 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2021-12-28 01:00:16,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 01:00:16,031 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 [2021-12-28 01:00:16,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:16,037 INFO L225 Difference]: With dead ends: 43 [2021-12-28 01:00:16,037 INFO L226 Difference]: Without dead ends: 27 [2021-12-28 01:00:16,042 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 [2021-12-28 01:00:16,046 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 [2021-12-28 01:00:16,046 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] [2021-12-28 01:00:16,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-12-28 01:00:16,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-12-28 01:00:16,078 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) [2021-12-28 01:00:16,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-12-28 01:00:16,081 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 10 [2021-12-28 01:00:16,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:16,081 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-12-28 01:00:16,082 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) [2021-12-28 01:00:16,082 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-12-28 01:00:16,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-28 01:00:16,083 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:16,084 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 01:00:16,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 01:00:16,085 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:16,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:16,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1177745932, now seen corresponding path program 1 times [2021-12-28 01:00:16,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:16,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105481290] [2021-12-28 01:00:16,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:16,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:16,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:16,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 01:00:16,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:16,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105481290] [2021-12-28 01:00:16,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105481290] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 01:00:16,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 01:00:16,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 01:00:16,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840090957] [2021-12-28 01:00:16,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 01:00:16,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 01:00:16,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:16,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 01:00:16,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 01:00:16,183 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) [2021-12-28 01:00:16,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:16,208 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2021-12-28 01:00:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 01:00:16,208 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 [2021-12-28 01:00:16,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:16,211 INFO L225 Difference]: With dead ends: 33 [2021-12-28 01:00:16,211 INFO L226 Difference]: Without dead ends: 29 [2021-12-28 01:00:16,211 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 [2021-12-28 01:00:16,213 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 [2021-12-28 01:00:16,215 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] [2021-12-28 01:00:16,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-12-28 01:00:16,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2021-12-28 01:00:16,226 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) [2021-12-28 01:00:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-12-28 01:00:16,227 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 11 [2021-12-28 01:00:16,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:16,228 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-12-28 01:00:16,228 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) [2021-12-28 01:00:16,228 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-12-28 01:00:16,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-28 01:00:16,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:16,237 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] [2021-12-28 01:00:16,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 01:00:16,237 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:16,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:16,238 INFO L85 PathProgramCache]: Analyzing trace with hash 2110588723, now seen corresponding path program 1 times [2021-12-28 01:00:16,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:16,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240234278] [2021-12-28 01:00:16,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:16,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:16,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:16,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:16,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-28 01:00:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 01:00:16,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:16,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240234278] [2021-12-28 01:00:16,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240234278] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:00:16,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100521920] [2021-12-28 01:00:16,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:16,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:00:16,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:16,444 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) [2021-12-28 01:00:16,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-28 01:00:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:16,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-28 01:00:16,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:00:16,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 01:00:16,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:00:16,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 01:00:16,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100521920] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:00:16,909 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:00:16,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13 [2021-12-28 01:00:16,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347169732] [2021-12-28 01:00:16,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:00:16,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-28 01:00:16,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:16,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-28 01:00:16,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-12-28 01:00:16,911 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) [2021-12-28 01:00:17,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:17,016 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-12-28 01:00:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-28 01:00:17,016 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 [2021-12-28 01:00:17,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:17,017 INFO L225 Difference]: With dead ends: 55 [2021-12-28 01:00:17,017 INFO L226 Difference]: Without dead ends: 31 [2021-12-28 01:00:17,018 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 [2021-12-28 01:00:17,019 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 32 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2021-12-28 01:00:17,025 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] [2021-12-28 01:00:17,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-12-28 01:00:17,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2021-12-28 01:00:17,029 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) [2021-12-28 01:00:17,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2021-12-28 01:00:17,030 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 23 [2021-12-28 01:00:17,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:17,030 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-12-28 01:00:17,031 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) [2021-12-28 01:00:17,031 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2021-12-28 01:00:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-28 01:00:17,032 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:17,032 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] [2021-12-28 01:00:17,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-28 01:00:17,249 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 [2021-12-28 01:00:17,249 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:17,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:17,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1277869167, now seen corresponding path program 1 times [2021-12-28 01:00:17,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:17,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899528897] [2021-12-28 01:00:17,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:17,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:17,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:17,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:17,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:17,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 01:00:17,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:17,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899528897] [2021-12-28 01:00:17,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899528897] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:00:17,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493422946] [2021-12-28 01:00:17,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:17,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:00:17,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:17,378 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) [2021-12-28 01:00:17,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-28 01:00:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:17,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-28 01:00:17,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:00:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 01:00:17,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:00:17,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 01:00:17,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493422946] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:00:17,638 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:00:17,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2021-12-28 01:00:17,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602230977] [2021-12-28 01:00:17,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:00:17,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-28 01:00:17,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:17,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-28 01:00:17,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-28 01:00:17,646 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) [2021-12-28 01:00:17,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:17,776 INFO L93 Difference]: Finished difference Result 51 states and 71 transitions. [2021-12-28 01:00:17,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 01:00:17,776 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 [2021-12-28 01:00:17,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:17,782 INFO L225 Difference]: With dead ends: 51 [2021-12-28 01:00:17,782 INFO L226 Difference]: Without dead ends: 47 [2021-12-28 01:00:17,783 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 [2021-12-28 01:00:17,785 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 [2021-12-28 01:00:17,786 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] [2021-12-28 01:00:17,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-12-28 01:00:17,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2021-12-28 01:00:17,802 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) [2021-12-28 01:00:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2021-12-28 01:00:17,806 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 62 transitions. Word has length 24 [2021-12-28 01:00:17,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:17,809 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 62 transitions. [2021-12-28 01:00:17,809 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) [2021-12-28 01:00:17,809 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2021-12-28 01:00:17,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-28 01:00:17,813 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:17,814 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] [2021-12-28 01:00:17,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-28 01:00:18,031 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 [2021-12-28 01:00:18,031 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:18,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:18,033 INFO L85 PathProgramCache]: Analyzing trace with hash -2061621832, now seen corresponding path program 1 times [2021-12-28 01:00:18,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:18,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192182096] [2021-12-28 01:00:18,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:18,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:18,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:18,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:18,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:18,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-28 01:00:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:18,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-28 01:00:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-28 01:00:18,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:18,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192182096] [2021-12-28 01:00:18,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192182096] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:00:18,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375025759] [2021-12-28 01:00:18,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:18,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:00:18,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:18,137 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) [2021-12-28 01:00:18,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-28 01:00:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:18,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-28 01:00:18,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:00:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-28 01:00:18,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:00:18,577 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-28 01:00:18,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375025759] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:00:18,578 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:00:18,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 9] total 15 [2021-12-28 01:00:18,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300697872] [2021-12-28 01:00:18,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:00:18,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-28 01:00:18,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:18,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-28 01:00:18,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-12-28 01:00:18,579 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) [2021-12-28 01:00:18,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:18,755 INFO L93 Difference]: Finished difference Result 105 states and 167 transitions. [2021-12-28 01:00:18,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 01:00:18,767 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 [2021-12-28 01:00:18,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:18,770 INFO L225 Difference]: With dead ends: 105 [2021-12-28 01:00:18,771 INFO L226 Difference]: Without dead ends: 63 [2021-12-28 01:00:18,774 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 [2021-12-28 01:00:18,775 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 [2021-12-28 01:00:18,775 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] [2021-12-28 01:00:18,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-12-28 01:00:18,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-12-28 01:00:18,791 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) [2021-12-28 01:00:18,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2021-12-28 01:00:18,795 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 36 [2021-12-28 01:00:18,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:18,795 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2021-12-28 01:00:18,795 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) [2021-12-28 01:00:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-12-28 01:00:18,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-28 01:00:18,801 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:18,801 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] [2021-12-28 01:00:18,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-28 01:00:19,018 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 [2021-12-28 01:00:19,019 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:19,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:19,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1167294498, now seen corresponding path program 1 times [2021-12-28 01:00:19,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:19,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264367101] [2021-12-28 01:00:19,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:19,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:19,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:19,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:19,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:19,176 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-28 01:00:19,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:19,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264367101] [2021-12-28 01:00:19,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264367101] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:00:19,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675875899] [2021-12-28 01:00:19,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:19,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:00:19,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:19,185 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) [2021-12-28 01:00:19,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-28 01:00:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:19,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-28 01:00:19,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:00:19,354 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-28 01:00:19,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:00:19,592 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-28 01:00:19,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675875899] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:00:19,592 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:00:19,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 18 [2021-12-28 01:00:19,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754838823] [2021-12-28 01:00:19,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:00:19,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-28 01:00:19,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:19,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-28 01:00:19,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2021-12-28 01:00:19,595 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) [2021-12-28 01:00:19,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:19,872 INFO L93 Difference]: Finished difference Result 177 states and 321 transitions. [2021-12-28 01:00:19,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-28 01:00:19,872 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 [2021-12-28 01:00:19,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:19,876 INFO L225 Difference]: With dead ends: 177 [2021-12-28 01:00:19,877 INFO L226 Difference]: Without dead ends: 117 [2021-12-28 01:00:19,881 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 [2021-12-28 01:00:19,882 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 60 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-28 01:00:19,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 276 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-28 01:00:19,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-12-28 01:00:19,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 103. [2021-12-28 01:00:19,892 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) [2021-12-28 01:00:19,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 166 transitions. [2021-12-28 01:00:19,894 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 166 transitions. Word has length 37 [2021-12-28 01:00:19,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:19,894 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 166 transitions. [2021-12-28 01:00:19,894 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) [2021-12-28 01:00:19,894 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions. [2021-12-28 01:00:19,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-28 01:00:19,896 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:19,896 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] [2021-12-28 01:00:19,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-28 01:00:20,114 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 [2021-12-28 01:00:20,115 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:20,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:20,115 INFO L85 PathProgramCache]: Analyzing trace with hash 384535367, now seen corresponding path program 1 times [2021-12-28 01:00:20,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:20,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892036467] [2021-12-28 01:00:20,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:20,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:20,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:20,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:20,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:20,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:20,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:20,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 01:00:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-28 01:00:20,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:20,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892036467] [2021-12-28 01:00:20,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892036467] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:00:20,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435329016] [2021-12-28 01:00:20,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:20,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:00:20,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:20,257 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) [2021-12-28 01:00:20,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-28 01:00:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:20,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-28 01:00:20,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:00:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-28 01:00:20,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:00:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-28 01:00:20,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435329016] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:00:20,931 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:00:20,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 11] total 20 [2021-12-28 01:00:20,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966811234] [2021-12-28 01:00:20,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:00:20,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-28 01:00:20,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:20,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-28 01:00:20,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2021-12-28 01:00:20,934 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) [2021-12-28 01:00:21,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:21,288 INFO L93 Difference]: Finished difference Result 255 states and 495 transitions. [2021-12-28 01:00:21,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-28 01:00:21,289 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 [2021-12-28 01:00:21,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:21,290 INFO L225 Difference]: With dead ends: 255 [2021-12-28 01:00:21,290 INFO L226 Difference]: Without dead ends: 155 [2021-12-28 01:00:21,291 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 [2021-12-28 01:00:21,292 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 76 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-28 01:00:21,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 280 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-28 01:00:21,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-12-28 01:00:21,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 109. [2021-12-28 01:00:21,317 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) [2021-12-28 01:00:21,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 177 transitions. [2021-12-28 01:00:21,318 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 177 transitions. Word has length 51 [2021-12-28 01:00:21,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:21,318 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 177 transitions. [2021-12-28 01:00:21,319 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) [2021-12-28 01:00:21,319 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 177 transitions. [2021-12-28 01:00:21,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-28 01:00:21,321 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:21,321 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] [2021-12-28 01:00:21,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-28 01:00:21,535 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 [2021-12-28 01:00:21,535 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:21,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:21,535 INFO L85 PathProgramCache]: Analyzing trace with hash -586612948, now seen corresponding path program 1 times [2021-12-28 01:00:21,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:21,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088093794] [2021-12-28 01:00:21,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:21,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 01:00:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 40 proven. 57 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-28 01:00:21,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:21,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088093794] [2021-12-28 01:00:21,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088093794] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:00:21,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387160252] [2021-12-28 01:00:21,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:21,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:00:21,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:21,691 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) [2021-12-28 01:00:21,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-28 01:00:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:21,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-28 01:00:21,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:00:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 13 proven. 92 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-12-28 01:00:21,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:00:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 13 proven. 102 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-12-28 01:00:22,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387160252] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:00:22,612 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:00:22,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 24 [2021-12-28 01:00:22,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442300708] [2021-12-28 01:00:22,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:00:22,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-28 01:00:22,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:22,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-28 01:00:22,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2021-12-28 01:00:22,614 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) [2021-12-28 01:00:22,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:22,985 INFO L93 Difference]: Finished difference Result 240 states and 462 transitions. [2021-12-28 01:00:22,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-28 01:00:22,986 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 [2021-12-28 01:00:22,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:22,987 INFO L225 Difference]: With dead ends: 240 [2021-12-28 01:00:22,987 INFO L226 Difference]: Without dead ends: 107 [2021-12-28 01:00:22,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=221, Invalid=1039, Unknown=0, NotChecked=0, Total=1260 [2021-12-28 01:00:22,993 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 111 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-28 01:00:22,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 270 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-28 01:00:22,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-12-28 01:00:23,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 84. [2021-12-28 01:00:23,016 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) [2021-12-28 01:00:23,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 116 transitions. [2021-12-28 01:00:23,018 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 116 transitions. Word has length 93 [2021-12-28 01:00:23,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:23,018 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 116 transitions. [2021-12-28 01:00:23,019 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) [2021-12-28 01:00:23,019 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2021-12-28 01:00:23,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-28 01:00:23,024 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:23,025 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] [2021-12-28 01:00:23,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-28 01:00:23,238 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 [2021-12-28 01:00:23,239 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:23,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:23,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1129417830, now seen corresponding path program 1 times [2021-12-28 01:00:23,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:23,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264559990] [2021-12-28 01:00:23,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:23,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 01:00:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 01:00:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,591 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 73 proven. 135 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2021-12-28 01:00:23,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:23,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264559990] [2021-12-28 01:00:23,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264559990] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:00:23,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380919863] [2021-12-28 01:00:23,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:23,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:00:23,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:23,593 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) [2021-12-28 01:00:23,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-28 01:00:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:23,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-28 01:00:23,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:00:23,936 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 36 proven. 211 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2021-12-28 01:00:23,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:00:24,914 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 36 proven. 227 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-28 01:00:24,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380919863] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:00:24,915 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:00:24,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 15] total 26 [2021-12-28 01:00:24,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670592591] [2021-12-28 01:00:24,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:00:24,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-28 01:00:24,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:24,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-28 01:00:24,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=549, Unknown=0, NotChecked=0, Total=650 [2021-12-28 01:00:24,916 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) [2021-12-28 01:00:25,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:25,330 INFO L93 Difference]: Finished difference Result 214 states and 372 transitions. [2021-12-28 01:00:25,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-28 01:00:25,330 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 [2021-12-28 01:00:25,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:25,332 INFO L225 Difference]: With dead ends: 214 [2021-12-28 01:00:25,332 INFO L226 Difference]: Without dead ends: 134 [2021-12-28 01:00:25,333 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 [2021-12-28 01:00:25,333 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 108 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-28 01:00:25,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 313 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-28 01:00:25,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-28 01:00:25,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 114. [2021-12-28 01:00:25,349 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) [2021-12-28 01:00:25,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 169 transitions. [2021-12-28 01:00:25,351 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 169 transitions. Word has length 148 [2021-12-28 01:00:25,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:25,352 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 169 transitions. [2021-12-28 01:00:25,353 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) [2021-12-28 01:00:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 169 transitions. [2021-12-28 01:00:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-12-28 01:00:25,357 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:25,358 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] [2021-12-28 01:00:25,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-28 01:00:25,578 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 [2021-12-28 01:00:25,578 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:25,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:25,579 INFO L85 PathProgramCache]: Analyzing trace with hash -399650163, now seen corresponding path program 2 times [2021-12-28 01:00:25,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:25,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922080215] [2021-12-28 01:00:25,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:25,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 01:00:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-28 01:00:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 01:00:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:25,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 169 proven. 360 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2021-12-28 01:00:25,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:25,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922080215] [2021-12-28 01:00:25,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922080215] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:00:25,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573539041] [2021-12-28 01:00:25,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-28 01:00:25,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:00:25,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:25,991 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) [2021-12-28 01:00:26,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-28 01:00:26,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-28 01:00:26,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-28 01:00:26,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-28 01:00:26,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:00:26,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 79 proven. 543 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-12-28 01:00:26,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:00:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 79 proven. 567 refuted. 0 times theorem prover too weak. 1386 trivial. 0 not checked. [2021-12-28 01:00:28,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573539041] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:00:28,014 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:00:28,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 17] total 28 [2021-12-28 01:00:28,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823632354] [2021-12-28 01:00:28,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:00:28,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-28 01:00:28,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:28,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-28 01:00:28,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2021-12-28 01:00:28,016 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) [2021-12-28 01:00:28,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:28,580 INFO L93 Difference]: Finished difference Result 260 states and 447 transitions. [2021-12-28 01:00:28,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-28 01:00:28,581 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 [2021-12-28 01:00:28,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:28,583 INFO L225 Difference]: With dead ends: 260 [2021-12-28 01:00:28,583 INFO L226 Difference]: Without dead ends: 155 [2021-12-28 01:00:28,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=342, Invalid=1638, Unknown=0, NotChecked=0, Total=1980 [2021-12-28 01:00:28,585 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 127 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-28 01:00:28,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 361 Invalid, 890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-28 01:00:28,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-12-28 01:00:28,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 145. [2021-12-28 01:00:28,605 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) [2021-12-28 01:00:28,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 224 transitions. [2021-12-28 01:00:28,608 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 224 transitions. Word has length 271 [2021-12-28 01:00:28,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:28,608 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 224 transitions. [2021-12-28 01:00:28,609 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) [2021-12-28 01:00:28,609 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 224 transitions. [2021-12-28 01:00:28,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-12-28 01:00:28,616 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:28,616 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] [2021-12-28 01:00:28,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-28 01:00:28,834 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 [2021-12-28 01:00:28,834 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:28,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:28,835 INFO L85 PathProgramCache]: Analyzing trace with hash -854779469, now seen corresponding path program 3 times [2021-12-28 01:00:28,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:28,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288571527] [2021-12-28 01:00:28,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:28,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:28,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 01:00:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 01:00:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-28 01:00:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 245 proven. 607 refuted. 0 times theorem prover too weak. 3234 trivial. 0 not checked. [2021-12-28 01:00:29,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:29,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288571527] [2021-12-28 01:00:29,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288571527] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:00:29,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457911676] [2021-12-28 01:00:29,487 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-28 01:00:29,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:00:29,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:29,500 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) [2021-12-28 01:00:29,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-28 01:00:29,606 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-12-28 01:00:29,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-28 01:00:29,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-28 01:00:29,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:00:30,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 726 proven. 42 refuted. 0 times theorem prover too weak. 3318 trivial. 0 not checked. [2021-12-28 01:00:30,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:00:31,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 726 proven. 43 refuted. 0 times theorem prover too weak. 3317 trivial. 0 not checked. [2021-12-28 01:00:31,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457911676] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:00:31,445 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:00:31,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 26 [2021-12-28 01:00:31,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688797082] [2021-12-28 01:00:31,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:00:31,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-28 01:00:31,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:31,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-28 01:00:31,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=553, Unknown=0, NotChecked=0, Total=650 [2021-12-28 01:00:31,449 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) [2021-12-28 01:00:31,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:31,767 INFO L93 Difference]: Finished difference Result 308 states and 520 transitions. [2021-12-28 01:00:31,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-28 01:00:31,768 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 [2021-12-28 01:00:31,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:31,769 INFO L225 Difference]: With dead ends: 308 [2021-12-28 01:00:31,769 INFO L226 Difference]: Without dead ends: 168 [2021-12-28 01:00:31,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 888 GetRequests, 853 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=991, Unknown=0, NotChecked=0, Total=1190 [2021-12-28 01:00:31,771 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 91 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-28 01:00:31,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 302 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-28 01:00:31,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-12-28 01:00:31,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165. [2021-12-28 01:00:31,782 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) [2021-12-28 01:00:31,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 243 transitions. [2021-12-28 01:00:31,787 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 243 transitions. Word has length 378 [2021-12-28 01:00:31,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:31,788 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 243 transitions. [2021-12-28 01:00:31,789 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) [2021-12-28 01:00:31,789 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2021-12-28 01:00:31,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2021-12-28 01:00:31,796 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:31,796 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] [2021-12-28 01:00:31,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-28 01:00:32,011 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 [2021-12-28 01:00:32,011 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:32,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:32,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1952053737, now seen corresponding path program 4 times [2021-12-28 01:00:32,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:32,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726375701] [2021-12-28 01:00:32,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:32,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 01:00:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-28 01:00:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 01:00:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:32,883 INFO L134 CoverageAnalysis]: Checked inductivity of 10395 backedges. 367 proven. 1344 refuted. 0 times theorem prover too weak. 8684 trivial. 0 not checked. [2021-12-28 01:00:32,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:32,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726375701] [2021-12-28 01:00:32,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726375701] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:00:32,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861140807] [2021-12-28 01:00:32,884 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-28 01:00:32,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:00:32,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:32,885 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) [2021-12-28 01:00:32,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-28 01:00:33,105 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-28 01:00:33,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-28 01:00:33,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-28 01:00:33,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:00:33,823 INFO L134 CoverageAnalysis]: Checked inductivity of 10395 backedges. 4111 proven. 176 refuted. 0 times theorem prover too weak. 6108 trivial. 0 not checked. [2021-12-28 01:00:33,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:00:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 10395 backedges. 342 proven. 1742 refuted. 0 times theorem prover too weak. 8311 trivial. 0 not checked. [2021-12-28 01:00:36,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861140807] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:00:36,579 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:00:36,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 19] total 31 [2021-12-28 01:00:36,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344010940] [2021-12-28 01:00:36,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:00:36,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-28 01:00:36,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:36,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-28 01:00:36,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=778, Unknown=0, NotChecked=0, Total=930 [2021-12-28 01:00:36,582 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) [2021-12-28 01:00:36,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:36,934 INFO L93 Difference]: Finished difference Result 338 states and 521 transitions. [2021-12-28 01:00:36,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-28 01:00:36,935 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 [2021-12-28 01:00:36,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:36,937 INFO L225 Difference]: With dead ends: 338 [2021-12-28 01:00:36,937 INFO L226 Difference]: Without dead ends: 180 [2021-12-28 01:00:36,938 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 [2021-12-28 01:00:36,938 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 [2021-12-28 01:00:36,938 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] [2021-12-28 01:00:36,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2021-12-28 01:00:36,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 175. [2021-12-28 01:00:36,945 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) [2021-12-28 01:00:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 253 transitions. [2021-12-28 01:00:36,946 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 253 transitions. Word has length 597 [2021-12-28 01:00:36,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:36,947 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 253 transitions. [2021-12-28 01:00:36,947 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) [2021-12-28 01:00:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 253 transitions. [2021-12-28 01:00:36,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2021-12-28 01:00:36,951 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:36,952 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] [2021-12-28 01:00:36,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-28 01:00:37,168 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 [2021-12-28 01:00:37,169 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:37,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:37,169 INFO L85 PathProgramCache]: Analyzing trace with hash 517738603, now seen corresponding path program 5 times [2021-12-28 01:00:37,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:37,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252032994] [2021-12-28 01:00:37,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:37,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 01:00:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-28 01:00:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:37,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6091 backedges. 553 proven. 941 refuted. 0 times theorem prover too weak. 4597 trivial. 0 not checked. [2021-12-28 01:00:37,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:37,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252032994] [2021-12-28 01:00:37,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252032994] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:00:37,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422882042] [2021-12-28 01:00:37,781 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-28 01:00:37,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:00:37,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:37,783 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) [2021-12-28 01:00:37,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-28 01:00:37,963 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2021-12-28 01:00:37,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-28 01:00:37,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-28 01:00:37,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:00:38,630 INFO L134 CoverageAnalysis]: Checked inductivity of 6091 backedges. 3422 proven. 234 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2021-12-28 01:00:38,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:00:40,580 INFO L134 CoverageAnalysis]: Checked inductivity of 6091 backedges. 483 proven. 1069 refuted. 0 times theorem prover too weak. 4539 trivial. 0 not checked. [2021-12-28 01:00:40,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422882042] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:00:40,580 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:00:40,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 19] total 38 [2021-12-28 01:00:40,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750862226] [2021-12-28 01:00:40,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:00:40,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-12-28 01:00:40,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:40,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-12-28 01:00:40,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=1206, Unknown=0, NotChecked=0, Total=1406 [2021-12-28 01:00:40,582 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) [2021-12-28 01:00:41,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:41,372 INFO L93 Difference]: Finished difference Result 378 states and 579 transitions. [2021-12-28 01:00:41,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-12-28 01:00:41,373 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 [2021-12-28 01:00:41,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:41,375 INFO L225 Difference]: With dead ends: 378 [2021-12-28 01:00:41,375 INFO L226 Difference]: Without dead ends: 209 [2021-12-28 01:00:41,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1097 GetRequests, 1034 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1089 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=574, Invalid=3332, Unknown=0, NotChecked=0, Total=3906 [2021-12-28 01:00:41,377 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 161 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-28 01:00:41,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 503 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-28 01:00:41,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-12-28 01:00:41,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 174. [2021-12-28 01:00:41,407 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) [2021-12-28 01:00:41,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 241 transitions. [2021-12-28 01:00:41,409 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 241 transitions. Word has length 460 [2021-12-28 01:00:41,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:41,409 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 241 transitions. [2021-12-28 01:00:41,409 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) [2021-12-28 01:00:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 241 transitions. [2021-12-28 01:00:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2021-12-28 01:00:41,411 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:41,412 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] [2021-12-28 01:00:41,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-28 01:00:41,612 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 [2021-12-28 01:00:41,612 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:41,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:41,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1402769443, now seen corresponding path program 6 times [2021-12-28 01:00:41,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:41,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951162802] [2021-12-28 01:00:41,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:41,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:41,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:41,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:41,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:41,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:41,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:41,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 01:00:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-28 01:00:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:42,188 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 179 proven. 1128 refuted. 0 times theorem prover too weak. 4775 trivial. 0 not checked. [2021-12-28 01:00:42,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:42,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951162802] [2021-12-28 01:00:42,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951162802] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:00:42,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791337050] [2021-12-28 01:00:42,189 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-28 01:00:42,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:00:42,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:42,212 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) [2021-12-28 01:00:42,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-28 01:00:42,382 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-12-28 01:00:42,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-28 01:00:42,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-28 01:00:42,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:00:42,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 305 proven. 690 refuted. 0 times theorem prover too weak. 5087 trivial. 0 not checked. [2021-12-28 01:00:42,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:00:44,425 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 305 proven. 708 refuted. 0 times theorem prover too weak. 5069 trivial. 0 not checked. [2021-12-28 01:00:44,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791337050] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:00:44,425 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:00:44,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11, 15] total 31 [2021-12-28 01:00:44,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141447332] [2021-12-28 01:00:44,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:00:44,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-28 01:00:44,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:44,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-28 01:00:44,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=754, Unknown=0, NotChecked=0, Total=930 [2021-12-28 01:00:44,427 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) [2021-12-28 01:00:44,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:44,806 INFO L93 Difference]: Finished difference Result 503 states and 767 transitions. [2021-12-28 01:00:44,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-28 01:00:44,807 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 [2021-12-28 01:00:44,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:44,814 INFO L225 Difference]: With dead ends: 503 [2021-12-28 01:00:44,814 INFO L226 Difference]: Without dead ends: 499 [2021-12-28 01:00:44,815 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 [2021-12-28 01:00:44,815 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 139 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-28 01:00:44,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 267 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-28 01:00:44,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2021-12-28 01:00:44,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 471. [2021-12-28 01:00:44,839 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) [2021-12-28 01:00:44,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 716 transitions. [2021-12-28 01:00:44,843 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 716 transitions. Word has length 460 [2021-12-28 01:00:44,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:44,843 INFO L470 AbstractCegarLoop]: Abstraction has 471 states and 716 transitions. [2021-12-28 01:00:44,844 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) [2021-12-28 01:00:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 716 transitions. [2021-12-28 01:00:44,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2021-12-28 01:00:44,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:44,850 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] [2021-12-28 01:00:44,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-12-28 01:00:45,087 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 [2021-12-28 01:00:45,088 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:45,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:45,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1177028661, now seen corresponding path program 7 times [2021-12-28 01:00:45,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:45,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680330006] [2021-12-28 01:00:45,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:45,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:45,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:45,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:45,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 01:00:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-28 01:00:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 01:00:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-28 01:00:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-28 01:00:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2021-12-28 01:00:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 25228 backedges. 2233 proven. 2139 refuted. 0 times theorem prover too weak. 20856 trivial. 0 not checked. [2021-12-28 01:00:46,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:46,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680330006] [2021-12-28 01:00:46,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680330006] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:00:46,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034758197] [2021-12-28 01:00:46,904 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-28 01:00:46,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:00:46,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:46,915 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) [2021-12-28 01:00:46,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-28 01:00:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:47,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 2073 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-28 01:00:47,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:00:48,454 INFO L134 CoverageAnalysis]: Checked inductivity of 25228 backedges. 435 proven. 2725 refuted. 0 times theorem prover too weak. 22068 trivial. 0 not checked. [2021-12-28 01:00:48,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:00:52,714 INFO L134 CoverageAnalysis]: Checked inductivity of 25228 backedges. 435 proven. 2769 refuted. 0 times theorem prover too weak. 22024 trivial. 0 not checked. [2021-12-28 01:00:52,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034758197] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:00:52,714 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:00:52,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 21] total 44 [2021-12-28 01:00:52,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602157873] [2021-12-28 01:00:52,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:00:52,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2021-12-28 01:00:52,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:00:52,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-12-28 01:00:52,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=1625, Unknown=0, NotChecked=0, Total=1892 [2021-12-28 01:00:52,719 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) [2021-12-28 01:00:54,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:00:54,526 INFO L93 Difference]: Finished difference Result 921 states and 1535 transitions. [2021-12-28 01:00:54,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-12-28 01:00:54,527 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 [2021-12-28 01:00:54,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:00:54,530 INFO L225 Difference]: With dead ends: 921 [2021-12-28 01:00:54,530 INFO L226 Difference]: Without dead ends: 306 [2021-12-28 01:00:54,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2168 GetRequests, 2099 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1498 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=688, Invalid=4282, Unknown=0, NotChecked=0, Total=4970 [2021-12-28 01:00:54,534 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 170 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 1992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-28 01:00:54,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 672 Invalid, 1992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 1662 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-28 01:00:54,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-12-28 01:00:54,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 262. [2021-12-28 01:00:54,547 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) [2021-12-28 01:00:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 374 transitions. [2021-12-28 01:00:54,549 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 374 transitions. Word has length 923 [2021-12-28 01:00:54,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:00:54,549 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 374 transitions. [2021-12-28 01:00:54,549 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) [2021-12-28 01:00:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 374 transitions. [2021-12-28 01:00:54,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1578 [2021-12-28 01:00:54,562 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:00:54,562 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] [2021-12-28 01:00:54,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-28 01:00:54,780 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 [2021-12-28 01:00:54,781 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:00:54,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:00:54,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1484512937, now seen corresponding path program 8 times [2021-12-28 01:00:54,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:00:54,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343658724] [2021-12-28 01:00:54,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:00:54,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:00:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:55,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:00:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 01:00:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-28 01:00:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-28 01:00:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 01:00:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-28 01:00:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2021-12-28 01:00:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 01:00:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-28 01:00:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-28 01:00:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:00:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 01:00:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:57,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-28 01:00:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:00:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:00:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:00:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:00:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:00:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:00:58,037 INFO L134 CoverageAnalysis]: Checked inductivity of 74553 backedges. 1264 proven. 6049 refuted. 0 times theorem prover too weak. 67240 trivial. 0 not checked. [2021-12-28 01:00:58,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:00:58,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343658724] [2021-12-28 01:00:58,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343658724] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:00:58,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261772491] [2021-12-28 01:00:58,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-28 01:00:58,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:00:58,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:00:58,039 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) [2021-12-28 01:00:58,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-28 01:00:58,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-28 01:00:58,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-28 01:00:58,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 3525 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-28 01:00:58,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:01:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 74553 backedges. 643 proven. 5549 refuted. 0 times theorem prover too weak. 68361 trivial. 0 not checked. [2021-12-28 01:01:00,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 01:01:06,691 INFO L134 CoverageAnalysis]: Checked inductivity of 74553 backedges. 643 proven. 5605 refuted. 0 times theorem prover too weak. 68305 trivial. 0 not checked. [2021-12-28 01:01:06,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261772491] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 01:01:06,692 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 01:01:06,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 15, 23] total 43 [2021-12-28 01:01:06,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352055927] [2021-12-28 01:01:06,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 01:01:06,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-12-28 01:01:06,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 01:01:06,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-12-28 01:01:06,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=1548, Unknown=0, NotChecked=0, Total=1806 [2021-12-28 01:01:06,697 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) [2021-12-28 01:01:07,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 01:01:07,440 INFO L93 Difference]: Finished difference Result 588 states and 954 transitions. [2021-12-28 01:01:07,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-12-28 01:01:07,441 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 [2021-12-28 01:01:07,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 01:01:07,444 INFO L225 Difference]: With dead ends: 588 [2021-12-28 01:01:07,444 INFO L226 Difference]: Without dead ends: 332 [2021-12-28 01:01:07,447 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 [2021-12-28 01:01:07,447 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 185 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 1637 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 1982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 1637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-28 01:01:07,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 683 Invalid, 1982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 1637 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-28 01:01:07,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-12-28 01:01:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 302. [2021-12-28 01:01:07,475 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) [2021-12-28 01:01:07,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 438 transitions. [2021-12-28 01:01:07,477 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 438 transitions. Word has length 1577 [2021-12-28 01:01:07,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 01:01:07,478 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 438 transitions. [2021-12-28 01:01:07,478 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) [2021-12-28 01:01:07,478 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 438 transitions. [2021-12-28 01:01:07,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2422 [2021-12-28 01:01:07,533 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:01:07,534 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] [2021-12-28 01:01:07,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-12-28 01:01:07,756 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 [2021-12-28 01:01:07,756 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:01:07,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:01:07,757 INFO L85 PathProgramCache]: Analyzing trace with hash -740007557, now seen corresponding path program 9 times [2021-12-28 01:01:07,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:01:07,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966123684] [2021-12-28 01:01:07,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:01:07,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 01:01:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:10,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 01:01:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:11,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:12,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:12,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:12,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:12,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:01:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 01:01:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-28 01:01:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:01:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-28 01:01:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:01:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 01:01:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2021-12-28 01:01:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:01:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 01:01:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1031 [2021-12-28 01:01:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:01:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 01:01:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-28 01:01:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:01:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-28 01:01:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:01:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-12-28 01:01:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:01:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 01:01:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-28 01:01:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:14,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:01:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1099 [2021-12-28 01:01:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 01:01:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 01:01:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 01:01:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 01:01:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 01:01:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 01:01:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 01:01:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 01:01:15,157 INFO L134 CoverageAnalysis]: Checked inductivity of 176749 backedges. 3222 proven. 11483 refuted. 0 times theorem prover too weak. 162044 trivial. 0 not checked. [2021-12-28 01:01:15,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 01:01:15,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966123684] [2021-12-28 01:01:15,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966123684] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 01:01:15,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075656828] [2021-12-28 01:01:15,158 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-28 01:01:15,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 01:01:15,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:01:15,172 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) [2021-12-28 01:01:15,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-28 01:01:15,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 44 check-sat command(s) [2021-12-28 01:01:15,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-28 01:01:15,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 1741 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-28 01:01:15,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 01:01:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 176749 backedges. 1042 proven. 9605 refuted. 0 times theorem prover too weak. 166102 trivial. 0 not checked. [2021-12-28 01:01:19,183 INFO L328 TraceCheckSpWp]: Computing backward predicates...