./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 e19ca921 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-e19ca92 [2021-12-22 11:40:23,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 11:40:23,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 11:40:23,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 11:40:23,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 11:40:23,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 11:40:23,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 11:40:23,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 11:40:23,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 11:40:23,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 11:40:23,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 11:40:23,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 11:40:23,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 11:40:23,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 11:40:23,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 11:40:23,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 11:40:23,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 11:40:23,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 11:40:23,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 11:40:23,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 11:40:23,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 11:40:23,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 11:40:23,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 11:40:23,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 11:40:23,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 11:40:23,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 11:40:23,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 11:40:23,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 11:40:23,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 11:40:23,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 11:40:23,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 11:40:23,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 11:40:23,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 11:40:23,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 11:40:23,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 11:40:23,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 11:40:23,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 11:40:23,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 11:40:23,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 11:40:23,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 11:40:23,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 11:40:23,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 11:40:23,335 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 11:40:23,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 11:40:23,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 11:40:23,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 11:40:23,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 11:40:23,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 11:40:23,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 11:40:23,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 11:40:23,338 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 11:40:23,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 11:40:23,339 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 11:40:23,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 11:40:23,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 11:40:23,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 11:40:23,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 11:40:23,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 11:40:23,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 11:40:23,340 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 11:40:23,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 11:40:23,340 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 11:40:23,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 11:40:23,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 11:40:23,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 11:40:23,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 11:40:23,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 11:40:23,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 11:40:23,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 11:40:23,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 11:40:23,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 11:40:23,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 11:40:23,342 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 11:40:23,342 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 11:40:23,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 11:40:23,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 11:40:23,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a779a25b3e5147f7c14d79ede7be3f2d2de62e2de15b88047fe2a162a63a762 [2021-12-22 11:40:23,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 11:40:23,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 11:40:23,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 11:40:23,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 11:40:23,579 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 11:40:23,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2021-12-22 11:40:23,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dabe4881/ac86d4d3acf741cdb09be7710dc2385a/FLAGf441a36fb [2021-12-22 11:40:23,997 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 11:40:23,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2021-12-22 11:40:24,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dabe4881/ac86d4d3acf741cdb09be7710dc2385a/FLAGf441a36fb [2021-12-22 11:40:24,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dabe4881/ac86d4d3acf741cdb09be7710dc2385a [2021-12-22 11:40:24,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 11:40:24,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 11:40:24,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 11:40:24,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 11:40:24,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 11:40:24,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:40:24" (1/1) ... [2021-12-22 11:40:24,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4f1365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:40:24, skipping insertion in model container [2021-12-22 11:40:24,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:40:24" (1/1) ... [2021-12-22 11:40:24,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 11:40:24,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 11:40:24,205 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] [2021-12-22 11:40:24,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 11:40:24,216 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 11:40:24,228 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] [2021-12-22 11:40:24,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 11:40:24,239 INFO L208 MainTranslator]: Completed translation [2021-12-22 11:40:24,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:40:24 WrapperNode [2021-12-22 11:40:24,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 11:40:24,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 11:40:24,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 11:40:24,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 11:40:24,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:40:24" (1/1) ... [2021-12-22 11:40:24,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:40:24" (1/1) ... [2021-12-22 11:40:24,260 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-12-22 11:40:24,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 11:40:24,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 11:40:24,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 11:40:24,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 11:40:24,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:40:24" (1/1) ... [2021-12-22 11:40:24,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:40:24" (1/1) ... [2021-12-22 11:40:24,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:40:24" (1/1) ... [2021-12-22 11:40:24,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:40:24" (1/1) ... [2021-12-22 11:40:24,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:40:24" (1/1) ... [2021-12-22 11:40:24,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:40:24" (1/1) ... [2021-12-22 11:40:24,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:40:24" (1/1) ... [2021-12-22 11:40:24,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 11:40:24,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 11:40:24,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 11:40:24,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 11:40:24,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:40:24" (1/1) ... [2021-12-22 11:40:24,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 11:40:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:40:24,304 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) [2021-12-22 11:40:24,321 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 [2021-12-22 11:40:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 11:40:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 11:40:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-12-22 11:40:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-12-22 11:40:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-12-22 11:40:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-12-22 11:40:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 11:40:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 11:40:24,375 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 11:40:24,377 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 11:40:24,500 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 11:40:24,504 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 11:40:24,508 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 11:40:24,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:40:24 BoogieIcfgContainer [2021-12-22 11:40:24,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 11:40:24,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 11:40:24,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 11:40:24,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 11:40:24,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:40:24" (1/3) ... [2021-12-22 11:40:24,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7763dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:40:24, skipping insertion in model container [2021-12-22 11:40:24,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:40:24" (2/3) ... [2021-12-22 11:40:24,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7763dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:40:24, skipping insertion in model container [2021-12-22 11:40:24,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:40:24" (3/3) ... [2021-12-22 11:40:24,528 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_25-1.c [2021-12-22 11:40:24,531 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 11:40:24,531 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 11:40:24,596 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 11:40:24,601 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 [2021-12-22 11:40:24,601 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 11:40:24,615 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) [2021-12-22 11:40:24,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-22 11:40:24,619 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:24,619 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 11:40:24,620 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:24,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:24,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1123300790, now seen corresponding path program 1 times [2021-12-22 11:40:24,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:24,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756142203] [2021-12-22 11:40:24,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:24,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:24,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:24,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 11:40:24,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:24,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756142203] [2021-12-22 11:40:24,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756142203] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 11:40:24,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 11:40:24,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 11:40:24,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570957189] [2021-12-22 11:40:24,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 11:40:24,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 11:40:24,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:24,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 11:40:24,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 11:40:24,818 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) [2021-12-22 11:40:24,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:40:24,860 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2021-12-22 11:40:24,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 11:40:24,862 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 [2021-12-22 11:40:24,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:40:24,868 INFO L225 Difference]: With dead ends: 43 [2021-12-22 11:40:24,869 INFO L226 Difference]: Without dead ends: 27 [2021-12-22 11:40:24,871 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 [2021-12-22 11:40:24,874 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 [2021-12-22 11:40:24,875 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] [2021-12-22 11:40:24,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-12-22 11:40:24,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-12-22 11:40:24,904 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) [2021-12-22 11:40:24,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-12-22 11:40:24,907 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 10 [2021-12-22 11:40:24,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:40:24,907 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-12-22 11:40:24,908 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) [2021-12-22 11:40:24,908 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-12-22 11:40:24,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-22 11:40:24,925 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:24,925 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 11:40:24,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 11:40:24,927 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:24,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:24,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1177745932, now seen corresponding path program 1 times [2021-12-22 11:40:24,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:24,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627676349] [2021-12-22 11:40:24,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:24,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:25,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 11:40:25,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:25,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627676349] [2021-12-22 11:40:25,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627676349] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 11:40:25,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 11:40:25,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 11:40:25,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459339902] [2021-12-22 11:40:25,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 11:40:25,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 11:40:25,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:25,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 11:40:25,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 11:40:25,022 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) [2021-12-22 11:40:25,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:40:25,045 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2021-12-22 11:40:25,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 11:40:25,045 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 [2021-12-22 11:40:25,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:40:25,048 INFO L225 Difference]: With dead ends: 33 [2021-12-22 11:40:25,049 INFO L226 Difference]: Without dead ends: 29 [2021-12-22 11:40:25,053 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 [2021-12-22 11:40:25,054 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 [2021-12-22 11:40:25,055 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] [2021-12-22 11:40:25,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-12-22 11:40:25,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2021-12-22 11:40:25,064 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) [2021-12-22 11:40:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-12-22 11:40:25,065 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 11 [2021-12-22 11:40:25,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:40:25,066 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-12-22 11:40:25,067 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) [2021-12-22 11:40:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-12-22 11:40:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-22 11:40:25,069 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:25,069 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] [2021-12-22 11:40:25,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 11:40:25,073 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:25,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:25,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2110588723, now seen corresponding path program 1 times [2021-12-22 11:40:25,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:25,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611136615] [2021-12-22 11:40:25,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:25,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:25,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:25,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:25,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 11:40:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 11:40:25,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:25,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611136615] [2021-12-22 11:40:25,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611136615] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:40:25,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504756158] [2021-12-22 11:40:25,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:25,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:40:25,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:40:25,198 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) [2021-12-22 11:40:25,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 11:40:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:25,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 11:40:25,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:40:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 11:40:25,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 11:40:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 11:40:25,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504756158] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 11:40:25,594 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 11:40:25,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13 [2021-12-22 11:40:25,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055546998] [2021-12-22 11:40:25,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 11:40:25,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-22 11:40:25,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:25,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-22 11:40:25,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-12-22 11:40:25,596 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) [2021-12-22 11:40:25,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:40:25,707 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-12-22 11:40:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-22 11:40:25,708 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 [2021-12-22 11:40:25,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:40:25,709 INFO L225 Difference]: With dead ends: 55 [2021-12-22 11:40:25,709 INFO L226 Difference]: Without dead ends: 31 [2021-12-22 11:40:25,710 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 [2021-12-22 11:40:25,711 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 32 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 11:40:25,711 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] [2021-12-22 11:40:25,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-12-22 11:40:25,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2021-12-22 11:40:25,715 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) [2021-12-22 11:40:25,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2021-12-22 11:40:25,716 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 23 [2021-12-22 11:40:25,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:40:25,716 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-12-22 11:40:25,716 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) [2021-12-22 11:40:25,717 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2021-12-22 11:40:25,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-22 11:40:25,717 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:25,718 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] [2021-12-22 11:40:25,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 11:40:25,935 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 [2021-12-22 11:40:25,935 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:25,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:25,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1277869167, now seen corresponding path program 1 times [2021-12-22 11:40:25,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:25,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460437725] [2021-12-22 11:40:25,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:25,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:25,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:26,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:26,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 11:40:26,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:26,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460437725] [2021-12-22 11:40:26,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460437725] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:40:26,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466402352] [2021-12-22 11:40:26,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:26,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:40:26,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:40:26,052 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) [2021-12-22 11:40:26,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 11:40:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:26,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 11:40:26,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:40:26,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 11:40:26,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 11:40:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-22 11:40:26,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466402352] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 11:40:26,266 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 11:40:26,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2021-12-22 11:40:26,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306158796] [2021-12-22 11:40:26,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 11:40:26,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-22 11:40:26,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:26,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-22 11:40:26,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-22 11:40:26,268 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) [2021-12-22 11:40:26,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:40:26,360 INFO L93 Difference]: Finished difference Result 51 states and 71 transitions. [2021-12-22 11:40:26,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 11:40:26,361 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 [2021-12-22 11:40:26,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:40:26,362 INFO L225 Difference]: With dead ends: 51 [2021-12-22 11:40:26,362 INFO L226 Difference]: Without dead ends: 47 [2021-12-22 11:40:26,363 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 [2021-12-22 11:40:26,363 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 [2021-12-22 11:40:26,364 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] [2021-12-22 11:40:26,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-12-22 11:40:26,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2021-12-22 11:40:26,369 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) [2021-12-22 11:40:26,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2021-12-22 11:40:26,370 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 62 transitions. Word has length 24 [2021-12-22 11:40:26,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:40:26,371 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 62 transitions. [2021-12-22 11:40:26,371 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) [2021-12-22 11:40:26,371 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2021-12-22 11:40:26,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-22 11:40:26,372 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:26,372 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] [2021-12-22 11:40:26,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-22 11:40:26,591 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 [2021-12-22 11:40:26,591 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:26,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:26,591 INFO L85 PathProgramCache]: Analyzing trace with hash -2061621832, now seen corresponding path program 1 times [2021-12-22 11:40:26,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:26,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222669342] [2021-12-22 11:40:26,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:26,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:26,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:26,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:26,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:26,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 11:40:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:26,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-22 11:40:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-22 11:40:26,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:26,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222669342] [2021-12-22 11:40:26,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222669342] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:40:26,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017091138] [2021-12-22 11:40:26,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:26,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:40:26,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:40:26,672 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) [2021-12-22 11:40:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:26,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-22 11:40:26,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-22 11:40:26,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:40:26,803 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-22 11:40:26,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 11:40:27,069 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-22 11:40:27,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017091138] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 11:40:27,070 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 11:40:27,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 9] total 15 [2021-12-22 11:40:27,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741598999] [2021-12-22 11:40:27,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 11:40:27,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-22 11:40:27,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:27,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-22 11:40:27,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-12-22 11:40:27,072 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) [2021-12-22 11:40:27,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:40:27,236 INFO L93 Difference]: Finished difference Result 105 states and 167 transitions. [2021-12-22 11:40:27,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 11:40:27,237 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 [2021-12-22 11:40:27,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:40:27,238 INFO L225 Difference]: With dead ends: 105 [2021-12-22 11:40:27,238 INFO L226 Difference]: Without dead ends: 63 [2021-12-22 11:40:27,239 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 [2021-12-22 11:40:27,240 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 [2021-12-22 11:40:27,240 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] [2021-12-22 11:40:27,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-12-22 11:40:27,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-12-22 11:40:27,246 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) [2021-12-22 11:40:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2021-12-22 11:40:27,248 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 36 [2021-12-22 11:40:27,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:40:27,248 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2021-12-22 11:40:27,248 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) [2021-12-22 11:40:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-12-22 11:40:27,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-22 11:40:27,249 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:27,250 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] [2021-12-22 11:40:27,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-22 11:40:27,454 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 [2021-12-22 11:40:27,454 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:27,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:27,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1167294498, now seen corresponding path program 1 times [2021-12-22 11:40:27,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:27,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002224088] [2021-12-22 11:40:27,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:27,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:27,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:27,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:27,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:27,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:27,567 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-22 11:40:27,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:27,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002224088] [2021-12-22 11:40:27,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002224088] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:40:27,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893686136] [2021-12-22 11:40:27,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:27,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:40:27,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:40:27,569 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) [2021-12-22 11:40:27,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-22 11:40:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:27,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-22 11:40:27,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:40:27,721 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-22 11:40:27,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 11:40:27,946 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-22 11:40:27,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893686136] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 11:40:27,946 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 11:40:27,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 18 [2021-12-22 11:40:27,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057684583] [2021-12-22 11:40:27,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 11:40:27,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-22 11:40:27,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:27,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-22 11:40:27,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2021-12-22 11:40:27,948 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) [2021-12-22 11:40:28,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:40:28,205 INFO L93 Difference]: Finished difference Result 177 states and 321 transitions. [2021-12-22 11:40:28,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-22 11:40:28,206 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 [2021-12-22 11:40:28,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:40:28,207 INFO L225 Difference]: With dead ends: 177 [2021-12-22 11:40:28,207 INFO L226 Difference]: Without dead ends: 117 [2021-12-22 11:40:28,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=530, Unknown=0, NotChecked=0, Total=650 [2021-12-22 11:40:28,209 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 [2021-12-22 11:40:28,209 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] [2021-12-22 11:40:28,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-12-22 11:40:28,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 103. [2021-12-22 11:40:28,221 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) [2021-12-22 11:40:28,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 166 transitions. [2021-12-22 11:40:28,223 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 166 transitions. Word has length 37 [2021-12-22 11:40:28,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:40:28,223 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 166 transitions. [2021-12-22 11:40:28,223 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) [2021-12-22 11:40:28,223 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions. [2021-12-22 11:40:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-22 11:40:28,226 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:28,226 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] [2021-12-22 11:40:28,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-22 11:40:28,443 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 [2021-12-22 11:40:28,444 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:28,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:28,444 INFO L85 PathProgramCache]: Analyzing trace with hash 384535367, now seen corresponding path program 1 times [2021-12-22 11:40:28,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:28,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764340747] [2021-12-22 11:40:28,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:28,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:28,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:28,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:28,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:28,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:28,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:28,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 11:40:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-22 11:40:28,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:28,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764340747] [2021-12-22 11:40:28,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764340747] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:40:28,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098775771] [2021-12-22 11:40:28,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:28,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:40:28,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:40:28,540 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) [2021-12-22 11:40:28,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-22 11:40:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:28,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 11:40:28,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:40:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-22 11:40:28,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 11:40:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 11:40:29,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098775771] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 11:40:29,083 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 11:40:29,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 11] total 20 [2021-12-22 11:40:29,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602162014] [2021-12-22 11:40:29,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 11:40:29,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-22 11:40:29,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:29,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-22 11:40:29,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2021-12-22 11:40:29,085 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) [2021-12-22 11:40:29,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:40:29,422 INFO L93 Difference]: Finished difference Result 255 states and 495 transitions. [2021-12-22 11:40:29,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-22 11:40:29,423 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 [2021-12-22 11:40:29,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:40:29,425 INFO L225 Difference]: With dead ends: 255 [2021-12-22 11:40:29,425 INFO L226 Difference]: Without dead ends: 155 [2021-12-22 11:40:29,426 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 [2021-12-22 11:40:29,427 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 76 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-22 11:40:29,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 280 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-22 11:40:29,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-12-22 11:40:29,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 109. [2021-12-22 11:40:29,439 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) [2021-12-22 11:40:29,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 177 transitions. [2021-12-22 11:40:29,440 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 177 transitions. Word has length 51 [2021-12-22 11:40:29,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:40:29,441 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 177 transitions. [2021-12-22 11:40:29,441 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) [2021-12-22 11:40:29,441 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 177 transitions. [2021-12-22 11:40:29,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-22 11:40:29,443 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:29,443 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] [2021-12-22 11:40:29,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-22 11:40:29,660 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 [2021-12-22 11:40:29,661 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:29,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:29,661 INFO L85 PathProgramCache]: Analyzing trace with hash -586612948, now seen corresponding path program 1 times [2021-12-22 11:40:29,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:29,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70789380] [2021-12-22 11:40:29,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:29,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 11:40:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,818 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 40 proven. 57 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-22 11:40:29,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:29,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70789380] [2021-12-22 11:40:29,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70789380] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:40:29,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616669179] [2021-12-22 11:40:29,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:29,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:40:29,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:40:29,836 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) [2021-12-22 11:40:29,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-22 11:40:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:29,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-22 11:40:29,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:40:30,154 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 13 proven. 92 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-12-22 11:40:30,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 11:40:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 13 proven. 102 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-12-22 11:40:30,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616669179] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 11:40:30,822 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 11:40:30,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 24 [2021-12-22 11:40:30,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239361392] [2021-12-22 11:40:30,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 11:40:30,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-22 11:40:30,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:30,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-22 11:40:30,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2021-12-22 11:40:30,824 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) [2021-12-22 11:40:31,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:40:31,176 INFO L93 Difference]: Finished difference Result 240 states and 462 transitions. [2021-12-22 11:40:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-22 11:40:31,176 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 [2021-12-22 11:40:31,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:40:31,178 INFO L225 Difference]: With dead ends: 240 [2021-12-22 11:40:31,178 INFO L226 Difference]: Without dead ends: 107 [2021-12-22 11:40:31,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=221, Invalid=1039, Unknown=0, NotChecked=0, Total=1260 [2021-12-22 11:40:31,180 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, 118 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 [2021-12-22 11:40:31,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 270 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-22 11:40:31,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-12-22 11:40:31,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 84. [2021-12-22 11:40:31,186 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) [2021-12-22 11:40:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 116 transitions. [2021-12-22 11:40:31,187 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 116 transitions. Word has length 93 [2021-12-22 11:40:31,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:40:31,187 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 116 transitions. [2021-12-22 11:40:31,188 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) [2021-12-22 11:40:31,188 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2021-12-22 11:40:31,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-22 11:40:31,189 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:31,189 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] [2021-12-22 11:40:31,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-22 11:40:31,406 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 [2021-12-22 11:40:31,406 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:31,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:31,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1129417830, now seen corresponding path program 1 times [2021-12-22 11:40:31,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:31,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096969646] [2021-12-22 11:40:31,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:31,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 11:40:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-22 11:40:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 73 proven. 135 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2021-12-22 11:40:31,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:31,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096969646] [2021-12-22 11:40:31,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096969646] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:40:31,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054635739] [2021-12-22 11:40:31,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:31,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:40:31,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:40:31,597 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) [2021-12-22 11:40:31,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-22 11:40:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:31,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-22 11:40:31,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:40:31,897 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 36 proven. 211 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2021-12-22 11:40:31,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 11:40:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 36 proven. 227 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-22 11:40:32,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054635739] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 11:40:32,777 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 11:40:32,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 15] total 26 [2021-12-22 11:40:32,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131753764] [2021-12-22 11:40:32,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 11:40:32,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-22 11:40:32,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:32,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-22 11:40:32,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=549, Unknown=0, NotChecked=0, Total=650 [2021-12-22 11:40:32,779 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) [2021-12-22 11:40:33,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:40:33,173 INFO L93 Difference]: Finished difference Result 214 states and 372 transitions. [2021-12-22 11:40:33,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-22 11:40:33,174 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 [2021-12-22 11:40:33,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:40:33,175 INFO L225 Difference]: With dead ends: 214 [2021-12-22 11:40:33,175 INFO L226 Difference]: Without dead ends: 134 [2021-12-22 11:40:33,176 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 [2021-12-22 11:40:33,176 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 108 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-22 11:40:33,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 313 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-22 11:40:33,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-22 11:40:33,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 114. [2021-12-22 11:40:33,184 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) [2021-12-22 11:40:33,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 169 transitions. [2021-12-22 11:40:33,185 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 169 transitions. Word has length 148 [2021-12-22 11:40:33,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:40:33,185 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 169 transitions. [2021-12-22 11:40:33,185 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) [2021-12-22 11:40:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 169 transitions. [2021-12-22 11:40:33,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-12-22 11:40:33,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:33,187 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] [2021-12-22 11:40:33,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-22 11:40:33,403 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 [2021-12-22 11:40:33,403 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:33,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:33,404 INFO L85 PathProgramCache]: Analyzing trace with hash -399650163, now seen corresponding path program 2 times [2021-12-22 11:40:33,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:33,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111540588] [2021-12-22 11:40:33,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:33,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 11:40:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-22 11:40:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 11:40:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 169 proven. 360 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2021-12-22 11:40:33,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:33,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111540588] [2021-12-22 11:40:33,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111540588] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:40:33,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123176460] [2021-12-22 11:40:33,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 11:40:33,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:40:33,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:40:33,806 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) [2021-12-22 11:40:33,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-22 11:40:33,915 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-22 11:40:33,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 11:40:33,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-22 11:40:33,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:40:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 79 proven. 543 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-12-22 11:40:34,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 11:40:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 79 proven. 567 refuted. 0 times theorem prover too weak. 1386 trivial. 0 not checked. [2021-12-22 11:40:35,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123176460] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 11:40:35,855 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 11:40:35,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 17] total 28 [2021-12-22 11:40:35,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97614682] [2021-12-22 11:40:35,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 11:40:35,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-22 11:40:35,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:35,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-22 11:40:35,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2021-12-22 11:40:35,858 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) [2021-12-22 11:40:36,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:40:36,397 INFO L93 Difference]: Finished difference Result 260 states and 447 transitions. [2021-12-22 11:40:36,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-22 11:40:36,397 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 [2021-12-22 11:40:36,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:40:36,400 INFO L225 Difference]: With dead ends: 260 [2021-12-22 11:40:36,400 INFO L226 Difference]: Without dead ends: 155 [2021-12-22 11:40:36,401 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 [2021-12-22 11:40:36,402 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 127 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-22 11:40:36,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 361 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-22 11:40:36,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-12-22 11:40:36,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 145. [2021-12-22 11:40:36,416 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) [2021-12-22 11:40:36,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 224 transitions. [2021-12-22 11:40:36,418 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 224 transitions. Word has length 271 [2021-12-22 11:40:36,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:40:36,419 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 224 transitions. [2021-12-22 11:40:36,419 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) [2021-12-22 11:40:36,419 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 224 transitions. [2021-12-22 11:40:36,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-12-22 11:40:36,423 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:36,423 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] [2021-12-22 11:40:36,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-22 11:40:36,640 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 [2021-12-22 11:40:36,641 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:36,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:36,641 INFO L85 PathProgramCache]: Analyzing trace with hash -854779469, now seen corresponding path program 3 times [2021-12-22 11:40:36,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:36,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764580867] [2021-12-22 11:40:36,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:36,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:36,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 11:40:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 11:40:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-22 11:40:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:40:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:37,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 245 proven. 607 refuted. 0 times theorem prover too weak. 3234 trivial. 0 not checked. [2021-12-22 11:40:37,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:37,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764580867] [2021-12-22 11:40:37,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764580867] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:40:37,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839968345] [2021-12-22 11:40:37,118 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-22 11:40:37,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:40:37,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:40:37,119 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) [2021-12-22 11:40:37,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-22 11:40:37,238 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-12-22 11:40:37,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 11:40:37,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-22 11:40:37,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:40:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 726 proven. 42 refuted. 0 times theorem prover too weak. 3318 trivial. 0 not checked. [2021-12-22 11:40:37,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 11:40:38,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4086 backedges. 726 proven. 43 refuted. 0 times theorem prover too weak. 3317 trivial. 0 not checked. [2021-12-22 11:40:38,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839968345] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 11:40:38,859 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 11:40:38,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 26 [2021-12-22 11:40:38,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661612619] [2021-12-22 11:40:38,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 11:40:38,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-22 11:40:38,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:38,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-22 11:40:38,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=553, Unknown=0, NotChecked=0, Total=650 [2021-12-22 11:40:38,862 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) [2021-12-22 11:40:39,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:40:39,162 INFO L93 Difference]: Finished difference Result 308 states and 520 transitions. [2021-12-22 11:40:39,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-22 11:40:39,163 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 [2021-12-22 11:40:39,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:40:39,165 INFO L225 Difference]: With dead ends: 308 [2021-12-22 11:40:39,165 INFO L226 Difference]: Without dead ends: 168 [2021-12-22 11:40:39,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 888 GetRequests, 853 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=199, Invalid=991, Unknown=0, NotChecked=0, Total=1190 [2021-12-22 11:40:39,167 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 91 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-22 11:40:39,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 302 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-22 11:40:39,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-12-22 11:40:39,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165. [2021-12-22 11:40:39,176 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) [2021-12-22 11:40:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 243 transitions. [2021-12-22 11:40:39,178 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 243 transitions. Word has length 378 [2021-12-22 11:40:39,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:40:39,179 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 243 transitions. [2021-12-22 11:40:39,179 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) [2021-12-22 11:40:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2021-12-22 11:40:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2021-12-22 11:40:39,185 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:39,185 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] [2021-12-22 11:40:39,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-22 11:40:39,402 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 [2021-12-22 11:40:39,402 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:39,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:39,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1952053737, now seen corresponding path program 4 times [2021-12-22 11:40:39,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:39,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662404487] [2021-12-22 11:40:39,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:39,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:39,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:40:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 11:40:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:40:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-22 11:40:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:40:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 11:40:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:40:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:40,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10395 backedges. 367 proven. 1344 refuted. 0 times theorem prover too weak. 8684 trivial. 0 not checked. [2021-12-22 11:40:40,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:40,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662404487] [2021-12-22 11:40:40,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662404487] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:40:40,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852329680] [2021-12-22 11:40:40,335 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-22 11:40:40,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:40:40,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:40:40,336 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) [2021-12-22 11:40:40,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-22 11:40:40,509 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-22 11:40:40,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 11:40:40,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-22 11:40:40,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:40:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 10395 backedges. 4111 proven. 176 refuted. 0 times theorem prover too weak. 6108 trivial. 0 not checked. [2021-12-22 11:40:41,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 11:40:44,026 INFO L134 CoverageAnalysis]: Checked inductivity of 10395 backedges. 342 proven. 1742 refuted. 0 times theorem prover too weak. 8311 trivial. 0 not checked. [2021-12-22 11:40:44,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852329680] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 11:40:44,026 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 11:40:44,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 19] total 31 [2021-12-22 11:40:44,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132225589] [2021-12-22 11:40:44,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 11:40:44,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-22 11:40:44,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:44,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-22 11:40:44,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=778, Unknown=0, NotChecked=0, Total=930 [2021-12-22 11:40:44,028 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) [2021-12-22 11:40:44,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:40:44,382 INFO L93 Difference]: Finished difference Result 338 states and 521 transitions. [2021-12-22 11:40:44,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-22 11:40:44,382 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 [2021-12-22 11:40:44,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:40:44,384 INFO L225 Difference]: With dead ends: 338 [2021-12-22 11:40:44,384 INFO L226 Difference]: Without dead ends: 180 [2021-12-22 11:40:44,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1392 GetRequests, 1352 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=277, Invalid=1283, Unknown=0, NotChecked=0, Total=1560 [2021-12-22 11:40:44,385 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 [2021-12-22 11:40:44,385 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] [2021-12-22 11:40:44,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2021-12-22 11:40:44,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 175. [2021-12-22 11:40:44,392 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) [2021-12-22 11:40:44,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 253 transitions. [2021-12-22 11:40:44,393 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 253 transitions. Word has length 597 [2021-12-22 11:40:44,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:40:44,393 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 253 transitions. [2021-12-22 11:40:44,394 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) [2021-12-22 11:40:44,394 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 253 transitions. [2021-12-22 11:40:44,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2021-12-22 11:40:44,398 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:44,398 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] [2021-12-22 11:40:44,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-22 11:40:44,611 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 [2021-12-22 11:40:44,612 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:44,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:44,612 INFO L85 PathProgramCache]: Analyzing trace with hash 517738603, now seen corresponding path program 5 times [2021-12-22 11:40:44,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:44,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920241862] [2021-12-22 11:40:44,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:44,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:44,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:40:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 11:40:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-22 11:40:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:40:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:45,261 INFO L134 CoverageAnalysis]: Checked inductivity of 6091 backedges. 553 proven. 941 refuted. 0 times theorem prover too weak. 4597 trivial. 0 not checked. [2021-12-22 11:40:45,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:45,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920241862] [2021-12-22 11:40:45,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920241862] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:40:45,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627417940] [2021-12-22 11:40:45,261 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-22 11:40:45,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:40:45,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:40:45,276 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) [2021-12-22 11:40:45,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-22 11:40:45,456 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2021-12-22 11:40:45,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 11:40:45,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-22 11:40:45,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:40:46,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6091 backedges. 3422 proven. 234 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2021-12-22 11:40:46,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 11:40:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6091 backedges. 483 proven. 1069 refuted. 0 times theorem prover too weak. 4539 trivial. 0 not checked. [2021-12-22 11:40:47,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627417940] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 11:40:47,926 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 11:40:47,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 19] total 38 [2021-12-22 11:40:47,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482739849] [2021-12-22 11:40:47,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 11:40:47,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-12-22 11:40:47,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:47,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-12-22 11:40:47,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=1206, Unknown=0, NotChecked=0, Total=1406 [2021-12-22 11:40:47,928 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) [2021-12-22 11:40:48,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:40:48,733 INFO L93 Difference]: Finished difference Result 378 states and 579 transitions. [2021-12-22 11:40:48,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-12-22 11:40:48,734 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 [2021-12-22 11:40:48,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:40:48,736 INFO L225 Difference]: With dead ends: 378 [2021-12-22 11:40:48,736 INFO L226 Difference]: Without dead ends: 209 [2021-12-22 11:40:48,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1097 GetRequests, 1034 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1089 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=574, Invalid=3332, Unknown=0, NotChecked=0, Total=3906 [2021-12-22 11:40:48,739 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 161 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 11:40:48,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 503 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 11:40:48,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-12-22 11:40:48,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 174. [2021-12-22 11:40:48,746 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) [2021-12-22 11:40:48,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 241 transitions. [2021-12-22 11:40:48,747 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 241 transitions. Word has length 460 [2021-12-22 11:40:48,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:40:48,748 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 241 transitions. [2021-12-22 11:40:48,748 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) [2021-12-22 11:40:48,748 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 241 transitions. [2021-12-22 11:40:48,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2021-12-22 11:40:48,750 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:48,750 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] [2021-12-22 11:40:48,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-22 11:40:48,970 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 [2021-12-22 11:40:48,970 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:48,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:48,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1402769443, now seen corresponding path program 6 times [2021-12-22 11:40:48,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:48,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905388102] [2021-12-22 11:40:48,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:48,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:40:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 11:40:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-22 11:40:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:40:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:49,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 179 proven. 1128 refuted. 0 times theorem prover too weak. 4775 trivial. 0 not checked. [2021-12-22 11:40:49,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:49,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905388102] [2021-12-22 11:40:49,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905388102] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:40:49,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562251586] [2021-12-22 11:40:49,572 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-22 11:40:49,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:40:49,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:40:49,587 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) [2021-12-22 11:40:49,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-22 11:40:49,764 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-12-22 11:40:49,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 11:40:49,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-22 11:40:49,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:40:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 305 proven. 690 refuted. 0 times theorem prover too weak. 5087 trivial. 0 not checked. [2021-12-22 11:40:50,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 11:40:51,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 305 proven. 708 refuted. 0 times theorem prover too weak. 5069 trivial. 0 not checked. [2021-12-22 11:40:51,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562251586] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 11:40:51,794 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 11:40:51,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11, 15] total 31 [2021-12-22 11:40:51,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023770294] [2021-12-22 11:40:51,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 11:40:51,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-22 11:40:51,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:51,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-22 11:40:51,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=754, Unknown=0, NotChecked=0, Total=930 [2021-12-22 11:40:51,797 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) [2021-12-22 11:40:52,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:40:52,198 INFO L93 Difference]: Finished difference Result 503 states and 767 transitions. [2021-12-22 11:40:52,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-22 11:40:52,199 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 [2021-12-22 11:40:52,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:40:52,207 INFO L225 Difference]: With dead ends: 503 [2021-12-22 11:40:52,207 INFO L226 Difference]: Without dead ends: 499 [2021-12-22 11:40:52,208 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 [2021-12-22 11:40:52,209 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 139 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-22 11:40:52,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 267 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-22 11:40:52,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2021-12-22 11:40:52,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 471. [2021-12-22 11:40:52,228 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) [2021-12-22 11:40:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 716 transitions. [2021-12-22 11:40:52,232 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 716 transitions. Word has length 460 [2021-12-22 11:40:52,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:40:52,232 INFO L470 AbstractCegarLoop]: Abstraction has 471 states and 716 transitions. [2021-12-22 11:40:52,232 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) [2021-12-22 11:40:52,232 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 716 transitions. [2021-12-22 11:40:52,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2021-12-22 11:40:52,238 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:40:52,238 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] [2021-12-22 11:40:52,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-12-22 11:40:52,452 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 [2021-12-22 11:40:52,453 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:40:52,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:40:52,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1177028661, now seen corresponding path program 7 times [2021-12-22 11:40:52,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:40:52,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972472511] [2021-12-22 11:40:52,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:40:52,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:40:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:40:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:40:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 11:40:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-22 11:40:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:40:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 11:40:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-22 11:40:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:53,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-22 11:40:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2021-12-22 11:40:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:40:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:40:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:40:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:40:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:40:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:40:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,292 INFO L134 CoverageAnalysis]: Checked inductivity of 25228 backedges. 2233 proven. 2139 refuted. 0 times theorem prover too weak. 20856 trivial. 0 not checked. [2021-12-22 11:40:54,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:40:54,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972472511] [2021-12-22 11:40:54,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972472511] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:40:54,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831861665] [2021-12-22 11:40:54,293 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-22 11:40:54,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:40:54,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:40:54,308 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) [2021-12-22 11:40:54,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-22 11:40:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:40:54,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 2073 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-22 11:40:54,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:40:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 25228 backedges. 435 proven. 2725 refuted. 0 times theorem prover too weak. 22068 trivial. 0 not checked. [2021-12-22 11:40:55,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 11:40:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 25228 backedges. 435 proven. 2769 refuted. 0 times theorem prover too weak. 22024 trivial. 0 not checked. [2021-12-22 11:40:59,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831861665] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 11:40:59,879 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 11:40:59,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 21] total 44 [2021-12-22 11:40:59,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150845253] [2021-12-22 11:40:59,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 11:40:59,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2021-12-22 11:40:59,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:40:59,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-12-22 11:40:59,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=1625, Unknown=0, NotChecked=0, Total=1892 [2021-12-22 11:40:59,882 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) [2021-12-22 11:41:00,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:41:00,816 INFO L93 Difference]: Finished difference Result 921 states and 1535 transitions. [2021-12-22 11:41:00,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-12-22 11:41:00,817 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 [2021-12-22 11:41:00,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:41:00,820 INFO L225 Difference]: With dead ends: 921 [2021-12-22 11:41:00,820 INFO L226 Difference]: Without dead ends: 306 [2021-12-22 11:41:00,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2168 GetRequests, 2099 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1498 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=688, Invalid=4282, Unknown=0, NotChecked=0, Total=4970 [2021-12-22 11:41:00,826 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 170 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 1661 mSolverCounterSat, 333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 333 IncrementalHoareTripleChecker+Valid, 1661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 11:41:00,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 672 Invalid, 1994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [333 Valid, 1661 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 11:41:00,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-12-22 11:41:00,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 262. [2021-12-22 11:41:00,857 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) [2021-12-22 11:41:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 374 transitions. [2021-12-22 11:41:00,859 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 374 transitions. Word has length 923 [2021-12-22 11:41:00,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:41:00,860 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 374 transitions. [2021-12-22 11:41:00,860 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) [2021-12-22 11:41:00,860 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 374 transitions. [2021-12-22 11:41:00,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1578 [2021-12-22 11:41:00,894 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:41:00,894 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] [2021-12-22 11:41:00,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-22 11:41:01,111 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 [2021-12-22 11:41:01,111 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:41:01,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:41:01,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1484512937, now seen corresponding path program 8 times [2021-12-22 11:41:01,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:41:01,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126740995] [2021-12-22 11:41:01,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:41:01,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:41:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:02,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:41:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:02,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 11:41:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-22 11:41:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-22 11:41:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 11:41:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-22 11:41:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2021-12-22 11:41:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 11:41:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-22 11:41:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-22 11:41:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 11:41:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-22 11:41:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:04,254 INFO L134 CoverageAnalysis]: Checked inductivity of 74553 backedges. 1264 proven. 6049 refuted. 0 times theorem prover too weak. 67240 trivial. 0 not checked. [2021-12-22 11:41:04,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:41:04,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126740995] [2021-12-22 11:41:04,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126740995] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:41:04,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120295407] [2021-12-22 11:41:04,255 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 11:41:04,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:41:04,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:41:04,256 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) [2021-12-22 11:41:04,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-22 11:41:04,744 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-22 11:41:04,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 11:41:04,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 3525 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-22 11:41:04,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:41:05,889 INFO L134 CoverageAnalysis]: Checked inductivity of 74553 backedges. 643 proven. 5549 refuted. 0 times theorem prover too weak. 68361 trivial. 0 not checked. [2021-12-22 11:41:05,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 11:41:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 74553 backedges. 643 proven. 5605 refuted. 0 times theorem prover too weak. 68305 trivial. 0 not checked. [2021-12-22 11:41:09,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120295407] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 11:41:09,846 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 11:41:09,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 15, 23] total 43 [2021-12-22 11:41:09,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144414180] [2021-12-22 11:41:09,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 11:41:09,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-12-22 11:41:09,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 11:41:09,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-12-22 11:41:09,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=1548, Unknown=0, NotChecked=0, Total=1806 [2021-12-22 11:41:09,849 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) [2021-12-22 11:41:10,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 11:41:10,604 INFO L93 Difference]: Finished difference Result 588 states and 954 transitions. [2021-12-22 11:41:10,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-12-22 11:41:10,604 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 [2021-12-22 11:41:10,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 11:41:10,607 INFO L225 Difference]: With dead ends: 588 [2021-12-22 11:41:10,607 INFO L226 Difference]: Without dead ends: 332 [2021-12-22 11:41:10,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3668 GetRequests, 3598 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1421 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=724, Invalid=4388, Unknown=0, NotChecked=0, Total=5112 [2021-12-22 11:41:10,611 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 185 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 1622 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 1974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 1622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 11:41:10,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 683 Invalid, 1974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 1622 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 11:41:10,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-12-22 11:41:10,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 302. [2021-12-22 11:41:10,633 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) [2021-12-22 11:41:10,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 438 transitions. [2021-12-22 11:41:10,635 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 438 transitions. Word has length 1577 [2021-12-22 11:41:10,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 11:41:10,635 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 438 transitions. [2021-12-22 11:41:10,636 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) [2021-12-22 11:41:10,636 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 438 transitions. [2021-12-22 11:41:10,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2599 [2021-12-22 11:41:10,704 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 11:41:10,705 INFO L514 BasicCegarLoop]: trace histogram [192, 192, 189, 189, 155, 153, 96, 96, 96, 96, 96, 96, 96, 94, 94, 94, 94, 94, 94, 94, 61, 57, 37, 36, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 11:41:10,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-12-22 11:41:10,923 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 [2021-12-22 11:41:10,923 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 11:41:10,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 11:41:10,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1623322256, now seen corresponding path program 9 times [2021-12-22 11:41:10,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 11:41:10,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167796071] [2021-12-22 11:41:10,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 11:41:10,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 11:41:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:13,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 11:41:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:15,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 11:41:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-22 11:41:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-22 11:41:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 11:41:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2021-12-22 11:41:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 11:41:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-22 11:41:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:16,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1208 [2021-12-22 11:41:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:17,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:17,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:17,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:17,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 11:41:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-22 11:41:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-22 11:41:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-12-22 11:41:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 11:41:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2021-12-22 11:41:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 11:41:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:18,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-22 11:41:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 11:41:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 11:41:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 11:41:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 11:41:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 11:41:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 11:41:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 11:41:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 203695 backedges. 6398 proven. 13862 refuted. 0 times theorem prover too weak. 183435 trivial. 0 not checked. [2021-12-22 11:41:19,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 11:41:19,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167796071] [2021-12-22 11:41:19,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167796071] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 11:41:19,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890217043] [2021-12-22 11:41:19,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-22 11:41:19,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 11:41:19,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 11:41:19,109 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) [2021-12-22 11:41:19,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-22 11:41:19,563 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 44 check-sat command(s) [2021-12-22 11:41:19,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 11:41:19,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 1455 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-22 11:41:19,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 11:41:21,710 INFO L134 CoverageAnalysis]: Checked inductivity of 203695 backedges. 1118 proven. 10323 refuted. 0 times theorem prover too weak. 192254 trivial. 0 not checked. [2021-12-22 11:41:21,710 INFO L328 TraceCheckSpWp]: Computing backward predicates...