/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 06:10:35,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 06:10:35,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 06:10:35,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 06:10:35,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 06:10:35,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 06:10:35,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 06:10:35,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 06:10:35,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 06:10:35,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 06:10:35,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 06:10:35,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 06:10:35,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 06:10:35,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 06:10:35,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 06:10:35,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 06:10:35,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 06:10:35,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 06:10:35,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 06:10:35,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 06:10:35,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 06:10:35,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 06:10:35,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 06:10:35,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 06:10:35,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 06:10:35,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 06:10:35,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 06:10:35,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 06:10:35,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 06:10:35,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 06:10:35,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 06:10:35,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 06:10:35,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 06:10:35,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 06:10:35,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 06:10:35,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 06:10:35,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 06:10:35,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 06:10:35,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 06:10:35,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 06:10:35,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 06:10:35,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 06:10:35,386 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 06:10:35,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 06:10:35,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 06:10:35,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 06:10:35,388 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 06:10:35,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 06:10:35,389 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 06:10:35,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 06:10:35,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 06:10:35,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 06:10:35,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 06:10:35,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 06:10:35,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 06:10:35,390 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 06:10:35,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 06:10:35,390 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 06:10:35,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 06:10:35,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 06:10:35,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 06:10:35,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 06:10:35,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 06:10:35,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 06:10:35,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 06:10:35,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 06:10:35,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 06:10:35,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 06:10:35,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 06:10:35,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 06:10:35,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 06:10:35,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 06:10:35,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 06:10:35,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 06:10:35,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 06:10:35,770 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 06:10:35,771 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 06:10:35,772 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label24.c [2020-10-13 06:10:35,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30e06a212/6a143c4996fe47aea9e7130e8a1c8538/FLAG534195d8b [2020-10-13 06:10:36,469 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 06:10:36,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label24.c [2020-10-13 06:10:36,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30e06a212/6a143c4996fe47aea9e7130e8a1c8538/FLAG534195d8b [2020-10-13 06:10:36,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30e06a212/6a143c4996fe47aea9e7130e8a1c8538 [2020-10-13 06:10:36,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 06:10:36,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 06:10:36,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 06:10:36,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 06:10:36,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 06:10:36,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:10:36" (1/1) ... [2020-10-13 06:10:36,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e0386e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:36, skipping insertion in model container [2020-10-13 06:10:36,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:10:36" (1/1) ... [2020-10-13 06:10:36,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 06:10:36,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 06:10:37,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:10:37,354 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 06:10:37,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:10:37,468 INFO L208 MainTranslator]: Completed translation [2020-10-13 06:10:37,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:37 WrapperNode [2020-10-13 06:10:37,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 06:10:37,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 06:10:37,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 06:10:37,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 06:10:37,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:37" (1/1) ... [2020-10-13 06:10:37,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:37" (1/1) ... [2020-10-13 06:10:37,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:37" (1/1) ... [2020-10-13 06:10:37,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:37" (1/1) ... [2020-10-13 06:10:37,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:37" (1/1) ... [2020-10-13 06:10:37,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:37" (1/1) ... [2020-10-13 06:10:37,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:37" (1/1) ... [2020-10-13 06:10:37,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 06:10:37,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 06:10:37,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 06:10:37,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 06:10:37,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 06:10:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 06:10:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 06:10:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 06:10:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 06:10:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 06:10:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 06:10:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 06:10:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 06:10:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 06:10:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 06:10:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 06:10:38,815 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 06:10:38,815 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 06:10:38,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:10:38 BoogieIcfgContainer [2020-10-13 06:10:38,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 06:10:38,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 06:10:38,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 06:10:38,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 06:10:38,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:10:36" (1/3) ... [2020-10-13 06:10:38,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e42f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:10:38, skipping insertion in model container [2020-10-13 06:10:38,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:37" (2/3) ... [2020-10-13 06:10:38,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e42f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:10:38, skipping insertion in model container [2020-10-13 06:10:38,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:10:38" (3/3) ... [2020-10-13 06:10:38,832 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label24.c [2020-10-13 06:10:38,847 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 06:10:38,856 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 06:10:38,873 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 06:10:38,905 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 06:10:38,905 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 06:10:38,905 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 06:10:38,905 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 06:10:38,906 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 06:10:38,906 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 06:10:38,906 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 06:10:38,907 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 06:10:38,934 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-13 06:10:38,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 06:10:38,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:38,951 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:10:38,952 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:38,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:38,959 INFO L82 PathProgramCache]: Analyzing trace with hash -382656490, now seen corresponding path program 1 times [2020-10-13 06:10:38,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:38,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [206410454] [2020-10-13 06:10:38,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:39,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:39,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:40,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:40,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 06:10:40,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:10:40,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1508 [2020-10-13 06:10:40,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:40,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 06:10:40,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 06:10:40,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-13 06:10:40,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 06:10:41,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:41,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:41,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:41,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:41,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:41,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 06:10:41,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:41,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:41,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 06:10:41,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:10:41,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [206410454] [2020-10-13 06:10:41,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 06:10:41,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 06:10:41,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480978620] [2020-10-13 06:10:41,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:10:41,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:41,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:10:41,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:10:41,847 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 12 states. [2020-10-13 06:10:42,250 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2020-10-13 06:10:42,430 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2020-10-13 06:10:42,659 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2020-10-13 06:10:42,922 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2020-10-13 06:10:43,138 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 80 [2020-10-13 06:10:43,587 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2020-10-13 06:10:44,011 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2020-10-13 06:10:44,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:44,942 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-13 06:10:44,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:10:44,944 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 120 [2020-10-13 06:10:44,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:44,961 INFO L225 Difference]: With dead ends: 536 [2020-10-13 06:10:44,961 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:10:44,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:10:44,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:10:45,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:10:45,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:10:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-13 06:10:45,038 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 120 [2020-10-13 06:10:45,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:45,039 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-13 06:10:45,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:10:45,039 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-13 06:10:45,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 06:10:45,043 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:45,043 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:10:45,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 06:10:45,044 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:45,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:45,044 INFO L82 PathProgramCache]: Analyzing trace with hash 899046919, now seen corresponding path program 1 times [2020-10-13 06:10:45,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:45,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1197005264] [2020-10-13 06:10:45,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:45,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:45,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:45,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:46,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:46,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 06:10:46,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:10:46,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1566 [2020-10-13 06:10:46,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:46,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:10:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 06:10:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 06:10:46,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:10:47,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:47,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:47,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:47,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:47,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:47,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:10:47,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:47,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:47,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:47,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:47,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:47,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:47,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:47,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:47,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 06:10:47,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:47,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:10:47,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:47,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 06:10:47,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:10:47,570 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:10:47,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1197005264] [2020-10-13 06:10:47,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:47,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:10:47,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640816517] [2020-10-13 06:10:47,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:10:47,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:47,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:10:47,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:10:47,574 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-13 06:10:49,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:49,779 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-13 06:10:49,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 06:10:49,780 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 129 [2020-10-13 06:10:49,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:49,784 INFO L225 Difference]: With dead ends: 549 [2020-10-13 06:10:49,784 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:10:49,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-13 06:10:49,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:10:49,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:10:49,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:10:49,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-13 06:10:49,804 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 129 [2020-10-13 06:10:49,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:49,805 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-13 06:10:49,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:10:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-13 06:10:49,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 06:10:49,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:49,808 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:10:49,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 06:10:49,808 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:49,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:49,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1161571455, now seen corresponding path program 1 times [2020-10-13 06:10:49,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:49,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276768981] [2020-10-13 06:10:49,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:49,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:49,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:50,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:50,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:50,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 06:10:50,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:10:50,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1098 [2020-10-13 06:10:50,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:50,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:10:50,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 06:10:50,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 06:10:50,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:51,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:51,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:51,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:51,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:51,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:51,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:10:51,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:51,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:51,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:51,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:51,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:51,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:51,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:51,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:51,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:10:51,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:51,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:10:51,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:51,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:51,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:51,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 06:10:51,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:51,553 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:10:51,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1276768981] [2020-10-13 06:10:51,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:51,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:10:51,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635472557] [2020-10-13 06:10:51,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:10:51,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:51,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:10:51,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:10:51,556 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-13 06:10:51,835 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-13 06:10:53,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:53,337 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-13 06:10:53,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:10:53,338 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 133 [2020-10-13 06:10:53,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:53,342 INFO L225 Difference]: With dead ends: 554 [2020-10-13 06:10:53,342 INFO L226 Difference]: Without dead ends: 327 [2020-10-13 06:10:53,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:10:53,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-13 06:10:53,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-13 06:10:53,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:10:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-13 06:10:53,378 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 133 [2020-10-13 06:10:53,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:53,379 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-13 06:10:53,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:10:53,379 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-13 06:10:53,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-13 06:10:53,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:53,382 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:10:53,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 06:10:53,383 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:53,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:53,383 INFO L82 PathProgramCache]: Analyzing trace with hash -2018727209, now seen corresponding path program 1 times [2020-10-13 06:10:53,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:53,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1560397586] [2020-10-13 06:10:53,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:53,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:53,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:54,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:54,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 06:10:54,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:10:54,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-10-13 06:10:54,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:10:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 06:10:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-13 06:10:54,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:54,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:54,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:54,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:54,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:54,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:54,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:10:54,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:54,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:54,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:54,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:54,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:54,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:54,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:54,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:54,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:10:54,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:54,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:10:54,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:54,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:54,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:54,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:54,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:54,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:10:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:54,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:54,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:54,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 06:10:54,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:54,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 06:10:54,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:54,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:54,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:54,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 06:10:54,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:54,470 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 06:10:54,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1560397586] [2020-10-13 06:10:54,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:54,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 06:10:54,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969427260] [2020-10-13 06:10:54,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 06:10:54,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:54,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 06:10:54,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:10:54,475 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 7 states. [2020-10-13 06:10:55,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:55,574 INFO L93 Difference]: Finished difference Result 724 states and 951 transitions. [2020-10-13 06:10:55,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:10:55,574 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 155 [2020-10-13 06:10:55,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:55,578 INFO L225 Difference]: With dead ends: 724 [2020-10-13 06:10:55,578 INFO L226 Difference]: Without dead ends: 323 [2020-10-13 06:10:55,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-13 06:10:55,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-13 06:10:55,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 318. [2020-10-13 06:10:55,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:10:55,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 395 transitions. [2020-10-13 06:10:55,601 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 395 transitions. Word has length 155 [2020-10-13 06:10:55,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:55,602 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 395 transitions. [2020-10-13 06:10:55,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 06:10:55,602 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 395 transitions. [2020-10-13 06:10:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-13 06:10:55,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:55,605 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1] [2020-10-13 06:10:55,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 06:10:55,605 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:55,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:55,606 INFO L82 PathProgramCache]: Analyzing trace with hash 549018262, now seen corresponding path program 1 times [2020-10-13 06:10:55,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:55,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468841163] [2020-10-13 06:10:55,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:55,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:55,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:56,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:56,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:56,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-13 06:10:56,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:10:56,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1302 [2020-10-13 06:10:56,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:56,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:10:56,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 06:10:56,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 06:10:56,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:57,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:57,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:57,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:57,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:57,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:57,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:10:57,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:57,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:57,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:57,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:57,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:57,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:57,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:57,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:57,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:10:57,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:57,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 06:10:57,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:57,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:57,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:57,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 06:10:57,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-13 06:10:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:10:57,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468841163] [2020-10-13 06:10:57,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:57,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:10:57,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841310850] [2020-10-13 06:10:57,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:10:57,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:57,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:10:57,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:10:57,921 INFO L87 Difference]: Start difference. First operand 318 states and 395 transitions. Second operand 12 states. [2020-10-13 06:10:58,298 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-13 06:10:58,473 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-13 06:10:58,641 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-13 06:10:58,909 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-13 06:11:00,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:00,393 INFO L93 Difference]: Finished difference Result 723 states and 948 transitions. [2020-10-13 06:11:00,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:11:00,397 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 154 [2020-10-13 06:11:00,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:00,402 INFO L225 Difference]: With dead ends: 723 [2020-10-13 06:11:00,403 INFO L226 Difference]: Without dead ends: 401 [2020-10-13 06:11:00,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-13 06:11:00,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-13 06:11:00,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 394. [2020-10-13 06:11:00,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:11:00,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 475 transitions. [2020-10-13 06:11:00,431 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 475 transitions. Word has length 154 [2020-10-13 06:11:00,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:00,433 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 475 transitions. [2020-10-13 06:11:00,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:11:00,433 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 475 transitions. [2020-10-13 06:11:00,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-13 06:11:00,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:00,436 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1] [2020-10-13 06:11:00,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 06:11:00,436 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:00,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:00,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1790152015, now seen corresponding path program 1 times [2020-10-13 06:11:00,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:00,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952626120] [2020-10-13 06:11:00,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:00,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:00,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:00,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:00,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:01,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:01,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 06:11:01,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:11:01,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1470 [2020-10-13 06:11:01,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:01,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:01,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 06:11:01,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 06:11:01,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:11:02,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:02,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:02,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:02,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:02,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:02,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 06:11:02,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:02,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:02,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:02,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:02,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:02,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:02,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:11:02,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:02,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:11:02,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:02,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:02,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:02,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:02,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:02,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:11:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:02,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:02,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:02,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:11:02,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:02,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:11:02,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:02,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:02,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:02,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 06:11:02,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:11:02,236 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 06:11:02,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952626120] [2020-10-13 06:11:02,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:02,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:11:02,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561179452] [2020-10-13 06:11:02,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:11:02,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:02,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:11:02,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:11:02,240 INFO L87 Difference]: Start difference. First operand 394 states and 475 transitions. Second operand 5 states. [2020-10-13 06:11:03,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:03,304 INFO L93 Difference]: Finished difference Result 874 states and 1106 transitions. [2020-10-13 06:11:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:11:03,306 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2020-10-13 06:11:03,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:03,309 INFO L225 Difference]: With dead ends: 874 [2020-10-13 06:11:03,309 INFO L226 Difference]: Without dead ends: 399 [2020-10-13 06:11:03,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:11:03,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-10-13 06:11:03,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 394. [2020-10-13 06:11:03,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:11:03,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 472 transitions. [2020-10-13 06:11:03,343 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 472 transitions. Word has length 162 [2020-10-13 06:11:03,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:03,343 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 472 transitions. [2020-10-13 06:11:03,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:11:03,343 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 472 transitions. [2020-10-13 06:11:03,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-13 06:11:03,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:03,346 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:03,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 06:11:03,347 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:03,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:03,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1668983788, now seen corresponding path program 1 times [2020-10-13 06:11:03,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:03,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [909981311] [2020-10-13 06:11:03,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:03,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:03,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:03,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:04,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:04,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 06:11:04,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:11:04,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1180 [2020-10-13 06:11:04,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:04,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:11:04,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 06:11:04,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 06:11:04,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:05,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:05,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:05,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:05,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:05,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:05,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:11:05,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:05,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:05,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:05,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:05,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:05,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:05,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:05,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:05,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:11:05,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:05,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 06:11:05,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:05,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 06:11:05,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:11:05,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [909981311] [2020-10-13 06:11:05,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:05,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:11:05,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882372502] [2020-10-13 06:11:05,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:11:05,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:05,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:11:05,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:11:05,596 INFO L87 Difference]: Start difference. First operand 394 states and 472 transitions. Second operand 12 states. [2020-10-13 06:11:06,093 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-13 06:11:07,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:07,876 INFO L93 Difference]: Finished difference Result 886 states and 1110 transitions. [2020-10-13 06:11:07,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:11:07,878 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 171 [2020-10-13 06:11:07,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:07,881 INFO L225 Difference]: With dead ends: 886 [2020-10-13 06:11:07,881 INFO L226 Difference]: Without dead ends: 498 [2020-10-13 06:11:07,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:11:07,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-10-13 06:11:07,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 477. [2020-10-13 06:11:07,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-13 06:11:07,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 561 transitions. [2020-10-13 06:11:07,908 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 561 transitions. Word has length 171 [2020-10-13 06:11:07,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:07,909 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 561 transitions. [2020-10-13 06:11:07,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:11:07,909 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 561 transitions. [2020-10-13 06:11:07,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-13 06:11:07,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:07,912 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1] [2020-10-13 06:11:07,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 06:11:07,913 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:07,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:07,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1406135424, now seen corresponding path program 1 times [2020-10-13 06:11:07,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:07,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950769718] [2020-10-13 06:11:07,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:07,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:08,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:08,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:09,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:09,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-13 06:11:09,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:11:09,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1312 [2020-10-13 06:11:09,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:09,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:11:09,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-13 06:11:09,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 06:11:09,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:09,690 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2020-10-13 06:11:09,825 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 34 [2020-10-13 06:11:09,949 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2020-10-13 06:11:10,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:10,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:10,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:10,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:10,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:10,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:11:10,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:10,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:10,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:10,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:10,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:10,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:11:10,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:10,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 06:11:10,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 06:11:10,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:10,542 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:11:10,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950769718] [2020-10-13 06:11:10,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:10,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:11:10,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566472186] [2020-10-13 06:11:10,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:11:10,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:10,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:11:10,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:11:10,545 INFO L87 Difference]: Start difference. First operand 477 states and 561 transitions. Second operand 12 states. [2020-10-13 06:11:10,931 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-13 06:11:11,538 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2020-10-13 06:11:11,742 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2020-10-13 06:11:12,119 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2020-10-13 06:11:12,321 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2020-10-13 06:11:12,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:12,924 INFO L93 Difference]: Finished difference Result 1040 states and 1272 transitions. [2020-10-13 06:11:12,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:11:12,925 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 177 [2020-10-13 06:11:12,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:12,928 INFO L225 Difference]: With dead ends: 1040 [2020-10-13 06:11:12,928 INFO L226 Difference]: Without dead ends: 569 [2020-10-13 06:11:12,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:11:12,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-10-13 06:11:12,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 556. [2020-10-13 06:11:12,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-13 06:11:12,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 645 transitions. [2020-10-13 06:11:12,949 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 645 transitions. Word has length 177 [2020-10-13 06:11:12,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:12,950 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 645 transitions. [2020-10-13 06:11:12,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:11:12,950 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 645 transitions. [2020-10-13 06:11:12,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-13 06:11:12,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:12,953 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:12,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 06:11:12,954 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:12,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:12,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1454725066, now seen corresponding path program 1 times [2020-10-13 06:11:12,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:12,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238709193] [2020-10-13 06:11:12,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:13,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:13,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:13,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:13,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:14,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:14,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-13 06:11:14,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:11:14,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1970 [2020-10-13 06:11:14,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:14,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:14,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 06:11:14,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 06:11:14,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:15,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:15,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:15,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:15,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:15,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:15,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:11:15,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:15,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:15,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:15,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:15,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:11:15,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:15,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:15,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:15,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:11:15,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:15,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:11:15,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:15,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:15,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:15,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:11:15,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:11:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:15,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:15,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:15,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 06:11:15,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:15,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-13 06:11:15,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 06:11:15,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:11:15,642 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 06:11:15,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238709193] [2020-10-13 06:11:15,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:15,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:11:15,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402037144] [2020-10-13 06:11:15,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:11:15,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:15,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:11:15,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:11:15,646 INFO L87 Difference]: Start difference. First operand 556 states and 645 transitions. Second operand 5 states. [2020-10-13 06:11:16,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:16,725 INFO L93 Difference]: Finished difference Result 1203 states and 1454 transitions. [2020-10-13 06:11:16,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:11:16,727 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 202 [2020-10-13 06:11:16,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:16,729 INFO L225 Difference]: With dead ends: 1203 [2020-10-13 06:11:16,729 INFO L226 Difference]: Without dead ends: 464 [2020-10-13 06:11:16,731 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:11:16,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-13 06:11:16,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 457. [2020-10-13 06:11:16,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-10-13 06:11:16,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 533 transitions. [2020-10-13 06:11:16,747 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 533 transitions. Word has length 202 [2020-10-13 06:11:16,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:16,747 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 533 transitions. [2020-10-13 06:11:16,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:11:16,748 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 533 transitions. [2020-10-13 06:11:16,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-13 06:11:16,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:16,751 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1] [2020-10-13 06:11:16,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 06:11:16,752 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:16,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:16,752 INFO L82 PathProgramCache]: Analyzing trace with hash -2117346756, now seen corresponding path program 1 times [2020-10-13 06:11:16,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:16,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399172216] [2020-10-13 06:11:16,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:16,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:16,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:17,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:17,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:19,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:19,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-13 06:11:19,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:11:19,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2438 [2020-10-13 06:11:19,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:19,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:11:19,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 06:11:19,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 06:11:19,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:19,579 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-13 06:11:20,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:20,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:20,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:20,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:20,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:20,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:11:20,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:20,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:20,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:20,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:20,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:20,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:11:20,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:20,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 06:11:20,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:20,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:20,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:11:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:20,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:20,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:20,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:11:20,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:20,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 06:11:20,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:20,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:20,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:20,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 06:11:20,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 06:11:20,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399172216] [2020-10-13 06:11:20,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:20,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:11:20,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402456637] [2020-10-13 06:11:20,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:11:20,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:20,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:11:20,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:11:20,307 INFO L87 Difference]: Start difference. First operand 457 states and 533 transitions. Second operand 12 states. [2020-10-13 06:11:20,850 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-13 06:11:21,179 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2020-10-13 06:11:21,458 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-10-13 06:11:21,868 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2020-10-13 06:11:22,106 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2020-10-13 06:11:22,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:22,835 INFO L93 Difference]: Finished difference Result 1000 states and 1211 transitions. [2020-10-13 06:11:22,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:11:22,840 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 213 [2020-10-13 06:11:22,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:22,843 INFO L225 Difference]: With dead ends: 1000 [2020-10-13 06:11:22,843 INFO L226 Difference]: Without dead ends: 549 [2020-10-13 06:11:22,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:11:22,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-10-13 06:11:22,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 534. [2020-10-13 06:11:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-13 06:11:22,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 613 transitions. [2020-10-13 06:11:22,863 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 613 transitions. Word has length 213 [2020-10-13 06:11:22,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:22,864 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 613 transitions. [2020-10-13 06:11:22,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:11:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 613 transitions. [2020-10-13 06:11:22,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-13 06:11:22,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:22,868 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:22,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 06:11:22,868 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:22,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:22,869 INFO L82 PathProgramCache]: Analyzing trace with hash -630623954, now seen corresponding path program 1 times [2020-10-13 06:11:22,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:22,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1336255716] [2020-10-13 06:11:22,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:22,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:23,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:23,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:23,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-13 06:11:23,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:11:23,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 692 [2020-10-13 06:11:23,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-13 06:11:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-13 06:11:23,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:23,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:23,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:23,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:23,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:23,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:23,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:11:23,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:23,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:23,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:23,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:23,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:23,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:23,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:23,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:23,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:11:23,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:23,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:11:23,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:23,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:23,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:23,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:11:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:23,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:23,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:23,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 06:11:23,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:23,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 06:11:23,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:23,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:23,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:23,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 06:11:23,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:11:23,924 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-13 06:11:23,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1336255716] [2020-10-13 06:11:23,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:23,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:11:23,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481973672] [2020-10-13 06:11:23,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:11:23,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:23,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:11:23,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:11:23,926 INFO L87 Difference]: Start difference. First operand 534 states and 613 transitions. Second operand 5 states. [2020-10-13 06:11:24,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:24,843 INFO L93 Difference]: Finished difference Result 1157 states and 1378 transitions. [2020-10-13 06:11:24,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:11:24,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2020-10-13 06:11:24,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:24,852 INFO L225 Difference]: With dead ends: 1157 [2020-10-13 06:11:24,852 INFO L226 Difference]: Without dead ends: 465 [2020-10-13 06:11:24,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:11:24,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-10-13 06:11:24,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 458. [2020-10-13 06:11:24,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-13 06:11:24,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 531 transitions. [2020-10-13 06:11:24,868 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 531 transitions. Word has length 226 [2020-10-13 06:11:24,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:24,868 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 531 transitions. [2020-10-13 06:11:24,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:11:24,868 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 531 transitions. [2020-10-13 06:11:24,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-13 06:11:24,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:24,872 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:24,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 06:11:24,872 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:24,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:24,873 INFO L82 PathProgramCache]: Analyzing trace with hash -848248511, now seen corresponding path program 1 times [2020-10-13 06:11:24,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:24,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659455575] [2020-10-13 06:11:24,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:24,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:24,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:25,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:25,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:25,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:26,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:26,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:26,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:27,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:29,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:29,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-13 06:11:29,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 06:11:29,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4417 [2020-10-13 06:11:29,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:11:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-13 06:11:29,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 06:11:29,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:29,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:29,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:29,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:29,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:29,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:29,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:11:29,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:29,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:29,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:29,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:29,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:29,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:29,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:29,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:29,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:11:29,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:29,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:11:29,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:29,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:29,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:29,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:29,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:29,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:11:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:29,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:29,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:29,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:11:29,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:29,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:11:29,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:29,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:29,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:29,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:29,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:29,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 06:11:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:29,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:29,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:29,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 06:11:29,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:29,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 06:11:29,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:29,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:11:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 06:11:29,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-13 06:11:29,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659455575] [2020-10-13 06:11:29,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:29,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:11:29,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713470031] [2020-10-13 06:11:29,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:11:29,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:29,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:11:29,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:11:29,885 INFO L87 Difference]: Start difference. First operand 458 states and 531 transitions. Second operand 13 states. [2020-10-13 06:11:32,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:32,095 INFO L93 Difference]: Finished difference Result 1152 states and 1420 transitions. [2020-10-13 06:11:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:11:32,096 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 233 [2020-10-13 06:11:32,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:32,100 INFO L225 Difference]: With dead ends: 1152 [2020-10-13 06:11:32,101 INFO L226 Difference]: Without dead ends: 466 [2020-10-13 06:11:32,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=159, Invalid=303, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:11:32,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-10-13 06:11:32,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 461. [2020-10-13 06:11:32,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-13 06:11:32,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 542 transitions. [2020-10-13 06:11:32,119 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 542 transitions. Word has length 233 [2020-10-13 06:11:32,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:32,119 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 542 transitions. [2020-10-13 06:11:32,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:11:32,120 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 542 transitions. [2020-10-13 06:11:32,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-13 06:11:32,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:32,122 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:32,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 06:11:32,122 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:32,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:32,123 INFO L82 PathProgramCache]: Analyzing trace with hash -813640922, now seen corresponding path program 1 times [2020-10-13 06:11:32,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:32,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1804173203] [2020-10-13 06:11:32,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:32,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:32,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:32,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:32,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:34,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:34,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-13 06:11:34,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:11:34,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1951 [2020-10-13 06:11:34,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:34,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:11:34,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 06:11:34,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 06:11:34,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:34,464 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-10-13 06:11:34,616 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 40 [2020-10-13 06:11:34,755 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2020-10-13 06:11:35,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:35,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:35,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:35,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:35,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:35,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:11:35,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:35,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:35,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:35,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:35,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:35,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:35,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:35,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:35,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:11:35,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:35,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:11:35,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:35,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:35,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:35,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:35,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:35,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:11:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:35,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:35,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:35,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:11:35,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:35,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 06:11:35,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:35,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:35,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:35,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 06:11:35,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:35,250 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-13 06:11:35,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1804173203] [2020-10-13 06:11:35,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:35,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:11:35,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202242542] [2020-10-13 06:11:35,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:11:35,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:35,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:11:35,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:11:35,252 INFO L87 Difference]: Start difference. First operand 461 states and 542 transitions. Second operand 12 states. [2020-10-13 06:11:36,192 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-13 06:11:36,490 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2020-10-13 06:11:36,776 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2020-10-13 06:11:37,072 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2020-10-13 06:11:37,330 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2020-10-13 06:11:38,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:38,145 INFO L93 Difference]: Finished difference Result 987 states and 1188 transitions. [2020-10-13 06:11:38,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:11:38,152 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 248 [2020-10-13 06:11:38,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:38,155 INFO L225 Difference]: With dead ends: 987 [2020-10-13 06:11:38,155 INFO L226 Difference]: Without dead ends: 532 [2020-10-13 06:11:38,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:11:38,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-10-13 06:11:38,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 498. [2020-10-13 06:11:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2020-10-13 06:11:38,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 586 transitions. [2020-10-13 06:11:38,179 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 586 transitions. Word has length 248 [2020-10-13 06:11:38,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:38,180 INFO L479 AbstractCegarLoop]: Abstraction has 498 states and 586 transitions. [2020-10-13 06:11:38,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:11:38,180 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 586 transitions. [2020-10-13 06:11:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-13 06:11:38,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:38,182 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:38,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 06:11:38,188 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:38,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:38,189 INFO L82 PathProgramCache]: Analyzing trace with hash -62058763, now seen corresponding path program 1 times [2020-10-13 06:11:38,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:38,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028376274] [2020-10-13 06:11:38,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:38,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:38,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:38,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:38,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:38,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:40,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:40,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-13 06:11:40,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 06:11:40,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1936 [2020-10-13 06:11:40,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:40,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:40,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-13 06:11:40,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-13 06:11:40,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:40,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:40,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:40,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:40,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:40,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:40,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:11:40,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:40,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:40,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:40,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:40,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:40,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:40,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:40,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:40,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:11:40,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:40,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:11:40,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:40,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:40,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:40,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:40,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:40,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:11:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:40,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:40,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:40,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:11:40,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:40,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 06:11:40,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:40,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:40,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:40,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:40,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:40,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:11:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:40,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:40,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:40,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 06:11:40,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:40,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:11:40,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:40,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:40,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 06:11:40,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 136 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-13 06:11:40,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2028376274] [2020-10-13 06:11:40,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:40,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:11:40,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642032051] [2020-10-13 06:11:40,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:11:40,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:40,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:11:40,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:11:40,637 INFO L87 Difference]: Start difference. First operand 498 states and 586 transitions. Second operand 5 states. [2020-10-13 06:11:41,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:41,684 INFO L93 Difference]: Finished difference Result 1076 states and 1309 transitions. [2020-10-13 06:11:41,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:11:41,685 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 262 [2020-10-13 06:11:41,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:41,689 INFO L225 Difference]: With dead ends: 1076 [2020-10-13 06:11:41,689 INFO L226 Difference]: Without dead ends: 501 [2020-10-13 06:11:41,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:11:41,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-10-13 06:11:41,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 498. [2020-10-13 06:11:41,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2020-10-13 06:11:41,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 581 transitions. [2020-10-13 06:11:41,706 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 581 transitions. Word has length 262 [2020-10-13 06:11:41,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:41,706 INFO L479 AbstractCegarLoop]: Abstraction has 498 states and 581 transitions. [2020-10-13 06:11:41,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:11:41,706 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 581 transitions. [2020-10-13 06:11:41,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-13 06:11:41,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:41,709 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:41,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 06:11:41,709 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:41,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:41,710 INFO L82 PathProgramCache]: Analyzing trace with hash 63245601, now seen corresponding path program 1 times [2020-10-13 06:11:41,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:41,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490402038] [2020-10-13 06:11:41,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:41,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:41,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:41,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:41,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:42,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:43,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:43,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:43,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:43,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:45,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:45,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-13 06:11:45,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 06:11:45,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3374 [2020-10-13 06:11:45,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:11:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-13 06:11:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-13 06:11:45,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:45,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:45,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:45,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:45,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:45,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:45,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:11:45,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:45,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:45,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:45,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:45,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:45,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:45,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:45,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:45,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:11:45,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:45,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 06:11:45,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:45,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:45,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:45,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:45,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:45,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:11:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:45,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:45,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:45,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:11:45,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:45,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 06:11:45,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:45,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:45,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:45,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:11:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:45,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:45,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:45,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 06:11:45,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:45,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 06:11:45,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:11:45,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:45,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 06:11:45,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:11:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 141 proven. 3 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 06:11:45,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490402038] [2020-10-13 06:11:45,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:45,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:11:45,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273856551] [2020-10-13 06:11:45,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:11:45,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:45,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:11:45,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:11:45,791 INFO L87 Difference]: Start difference. First operand 498 states and 581 transitions. Second operand 13 states. [2020-10-13 06:11:46,622 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2020-10-13 06:11:46,836 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2020-10-13 06:11:47,211 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2020-10-13 06:11:47,583 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2020-10-13 06:11:48,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:48,341 INFO L93 Difference]: Finished difference Result 1370 states and 1680 transitions. [2020-10-13 06:11:48,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:11:48,347 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 269 [2020-10-13 06:11:48,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:48,352 INFO L225 Difference]: With dead ends: 1370 [2020-10-13 06:11:48,353 INFO L226 Difference]: Without dead ends: 877 [2020-10-13 06:11:48,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2020-10-13 06:11:48,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2020-10-13 06:11:48,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 869. [2020-10-13 06:11:48,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-10-13 06:11:48,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1001 transitions. [2020-10-13 06:11:48,392 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1001 transitions. Word has length 269 [2020-10-13 06:11:48,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:48,393 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 1001 transitions. [2020-10-13 06:11:48,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:11:48,393 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1001 transitions. [2020-10-13 06:11:48,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-10-13 06:11:48,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:48,396 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:48,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 06:11:48,397 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:48,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:48,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1584991050, now seen corresponding path program 1 times [2020-10-13 06:11:48,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:48,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626049864] [2020-10-13 06:11:48,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:48,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:48,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:48,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:48,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-10-13 06:11:48,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:11:48,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-10-13 06:11:48,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-13 06:11:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 06:11:48,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:48,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:48,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:48,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:48,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:48,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:48,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:11:48,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:48,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:48,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:48,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:48,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:48,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:48,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:11:48,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:48,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:11:48,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:48,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:48,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:48,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:11:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:48,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:48,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:48,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:11:48,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:48,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:11:48,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:48,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:48,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:11:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:48,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:48,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:48,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 06:11:48,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:48,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:11:48,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 06:11:48,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-13 06:11:49,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626049864] [2020-10-13 06:11:49,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:49,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:11:49,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376276964] [2020-10-13 06:11:49,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:11:49,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:49,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:11:49,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:11:49,088 INFO L87 Difference]: Start difference. First operand 869 states and 1001 transitions. Second operand 5 states. [2020-10-13 06:11:49,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:49,964 INFO L93 Difference]: Finished difference Result 1823 states and 2148 transitions. [2020-10-13 06:11:49,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:11:49,971 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 274 [2020-10-13 06:11:49,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:49,975 INFO L225 Difference]: With dead ends: 1823 [2020-10-13 06:11:49,976 INFO L226 Difference]: Without dead ends: 874 [2020-10-13 06:11:49,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:11:49,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-10-13 06:11:49,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 869. [2020-10-13 06:11:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-10-13 06:11:50,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 986 transitions. [2020-10-13 06:11:50,003 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 986 transitions. Word has length 274 [2020-10-13 06:11:50,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:50,003 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 986 transitions. [2020-10-13 06:11:50,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:11:50,004 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 986 transitions. [2020-10-13 06:11:50,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-10-13 06:11:50,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:50,008 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:50,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 06:11:50,008 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:50,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:50,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1117485572, now seen corresponding path program 1 times [2020-10-13 06:11:50,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:50,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [5921308] [2020-10-13 06:11:50,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:50,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:50,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:50,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:50,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:51,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:53,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:53,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-10-13 06:11:53,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 06:11:53,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3682 [2020-10-13 06:11:53,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-13 06:11:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 06:11:53,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:53,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:53,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:53,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:53,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:53,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:53,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:11:53,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:53,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:53,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:53,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:53,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:53,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:53,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:53,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:53,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:11:53,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:53,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:11:53,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:53,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:53,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:53,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:53,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:53,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:11:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:53,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:53,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:53,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:11:53,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:53,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:11:53,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:53,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:53,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:53,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:53,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:53,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:11:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:53,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:53,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:53,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 06:11:53,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:53,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 06:11:53,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:53,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:53,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:53,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 06:11:53,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:54,065 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-13 06:11:54,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [5921308] [2020-10-13 06:11:54,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:54,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:11:54,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842825442] [2020-10-13 06:11:54,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:11:54,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:54,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:11:54,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:11:54,068 INFO L87 Difference]: Start difference. First operand 869 states and 986 transitions. Second operand 5 states. [2020-10-13 06:11:54,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:54,992 INFO L93 Difference]: Finished difference Result 1821 states and 2110 transitions. [2020-10-13 06:11:54,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:11:54,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 279 [2020-10-13 06:11:54,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:54,999 INFO L225 Difference]: With dead ends: 1821 [2020-10-13 06:11:55,000 INFO L226 Difference]: Without dead ends: 874 [2020-10-13 06:11:55,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:11:55,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-10-13 06:11:55,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 869. [2020-10-13 06:11:55,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-10-13 06:11:55,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 973 transitions. [2020-10-13 06:11:55,041 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 973 transitions. Word has length 279 [2020-10-13 06:11:55,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:55,042 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 973 transitions. [2020-10-13 06:11:55,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:11:55,043 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 973 transitions. [2020-10-13 06:11:55,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-10-13 06:11:55,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:55,051 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:55,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 06:11:55,051 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:55,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:55,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1200112379, now seen corresponding path program 1 times [2020-10-13 06:11:55,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:55,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829510586] [2020-10-13 06:11:55,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:55,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:55,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:55,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:55,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:56,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:56,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:56,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:56,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:57,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:57,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:58,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:58,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:58,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:58,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-10-13 06:11:58,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 06:11:58,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3495 [2020-10-13 06:11:58,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-10-13 06:11:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:11:58,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:58,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:58,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:58,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:58,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:58,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:58,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:11:58,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:58,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:58,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:58,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:58,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:58,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:11:58,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:58,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:11:58,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:58,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:58,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:58,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:58,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:58,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:11:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:58,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:58,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:58,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:11:58,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:58,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:11:58,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:58,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:58,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:58,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:58,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:58,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:11:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:58,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:58,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:58,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 06:11:58,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:58,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 06:11:58,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:58,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:58,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:58,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 06:11:58,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:58,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 06:11:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:58,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:58,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:58,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 06:11:58,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:58,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-13 06:11:58,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 06:11:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:11:58,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 336 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-13 06:11:59,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1829510586] [2020-10-13 06:11:59,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:59,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 06:11:59,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945628676] [2020-10-13 06:11:59,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 06:11:59,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:59,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 06:11:59,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:11:59,072 INFO L87 Difference]: Start difference. First operand 869 states and 973 transitions. Second operand 7 states. [2020-10-13 06:11:59,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:59,811 INFO L93 Difference]: Finished difference Result 1262 states and 1390 transitions. [2020-10-13 06:11:59,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 06:11:59,811 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 334 [2020-10-13 06:11:59,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:59,812 INFO L225 Difference]: With dead ends: 1262 [2020-10-13 06:11:59,812 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 06:11:59,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:11:59,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 06:11:59,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 06:11:59,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 06:11:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 06:11:59,818 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 334 [2020-10-13 06:11:59,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:59,818 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 06:11:59,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 06:11:59,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 06:11:59,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 06:11:59,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 06:11:59,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 06:12:00,713 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 122 [2020-10-13 06:12:01,593 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 162 [2020-10-13 06:12:04,051 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 255 DAG size of output: 169 [2020-10-13 06:12:04,566 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2020-10-13 06:12:05,282 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 105 [2020-10-13 06:12:05,287 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:12:05,288 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-13 06:12:05,288 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:12:05,288 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,289 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,289 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,289 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,289 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,289 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-13 06:12:05,289 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-13 06:12:05,290 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-13 06:12:05,290 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-13 06:12:05,290 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-13 06:12:05,290 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-13 06:12:05,290 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-13 06:12:05,290 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-13 06:12:05,290 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-13 06:12:05,290 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-13 06:12:05,290 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:12:05,290 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:12:05,290 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-13 06:12:05,290 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,291 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,291 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,291 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,291 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-13 06:12:05,291 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,291 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-13 06:12:05,291 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-13 06:12:05,291 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-13 06:12:05,291 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-13 06:12:05,291 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-13 06:12:05,291 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-13 06:12:05,291 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-13 06:12:05,291 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:12:05,292 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:12:05,292 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-13 06:12:05,292 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-13 06:12:05,292 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-13 06:12:05,292 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:12:05,292 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:12:05,292 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-13 06:12:05,292 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,292 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,292 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,293 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,293 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,293 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 514) no Hoare annotation was computed. [2020-10-13 06:12:05,293 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:12:05,293 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-13 06:12:05,293 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:12:05,293 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-13 06:12:05,293 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-13 06:12:05,293 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-13 06:12:05,294 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-13 06:12:05,294 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-13 06:12:05,294 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-13 06:12:05,294 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-13 06:12:05,294 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-13 06:12:05,294 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,294 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,294 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,294 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,295 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,295 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-13 06:12:05,295 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-13 06:12:05,295 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-13 06:12:05,295 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-13 06:12:05,295 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-13 06:12:05,295 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-13 06:12:05,295 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-13 06:12:05,295 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-13 06:12:05,295 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-13 06:12:05,295 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-13 06:12:05,296 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-13 06:12:05,296 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-13 06:12:05,296 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-13 06:12:05,296 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,296 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,296 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,296 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,296 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,296 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-13 06:12:05,296 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-13 06:12:05,297 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-13 06:12:05,297 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-13 06:12:05,297 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-13 06:12:05,297 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-13 06:12:05,297 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-13 06:12:05,297 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-13 06:12:05,297 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-13 06:12:05,297 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-13 06:12:05,297 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-13 06:12:05,298 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-13 06:12:05,298 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-13 06:12:05,298 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:12:05,298 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-13 06:12:05,298 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:12:05,298 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,298 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,298 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,298 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-13 06:12:05,299 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-13 06:12:05,300 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-13 06:12:05,301 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-13 06:12:05,302 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-13 06:12:05,302 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-13 06:12:05,302 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-13 06:12:05,302 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-13 06:12:05,302 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-13 06:12:05,302 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-13 06:12:05,302 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-13 06:12:05,302 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-13 06:12:05,302 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-13 06:12:05,302 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-13 06:12:05,302 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,302 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,302 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,303 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse20 (= ~a11~0 |old(~a11~0)|)) (.cse21 (= ~a17~0 8)) (.cse27 (= ~a25~0 1)) (.cse13 (= ~a19~0 |old(~a19~0)|)) (.cse32 (= ~a28~0 10)) (.cse36 (= |old(~a19~0)| 1)) (.cse30 (= |old(~a11~0)| 1)) (.cse15 (not (= |calculate_output_#in~input| 3))) (.cse16 (not (= |calculate_output_#in~input| 4))) (.cse17 (not (= |calculate_output_#in~input| 5))) (.cse19 (not (= |calculate_output_#in~input| 6))) (.cse18 (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1))))) (let ((.cse12 (<= ~a28~0 7)) (.cse0 (not (<= |old(~a28~0)| 7))) (.cse31 (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) .cse18)) (.cse2 (not (<= |old(~a19~0)| 0))) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse3 (not (<= |old(~a11~0)| 1))) (.cse4 (not (<= 8 |old(~a17~0)|))) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse9 (<= 1 ~a11~0)) (.cse11 (<= ~a11~0 1)) (.cse5 (not (<= |old(~a25~0)| 0))) (.cse7 (not (<= 1 |old(~a11~0)|))) (.cse37 (not (= 0 |old(~a25~0)|))) (.cse35 (and .cse15 .cse16 (not (= |calculate_output_#in~input| 1)) .cse17 .cse19)) (.cse10 (= ~a25~0 |old(~a25~0)|)) (.cse22 (= 7 ~a28~0)) (.cse24 (not (= 7 |old(~a28~0)|))) (.cse38 (not (= 7 |old(~a17~0)|))) (.cse39 (= 7 ~a17~0)) (.cse28 (= ~a28~0 9)) (.cse33 (not (= 0 |old(~a19~0)|))) (.cse26 (not (= 9 |old(~a28~0)|))) (.cse40 (not .cse30)) (.cse25 (not (= |old(~a25~0)| 1))) (.cse29 (not (= 10 |old(~a28~0)|))) (.cse14 (not .cse36)) (.cse23 (not (= 8 |old(~a17~0)|))) (.cse34 (and .cse20 .cse21 .cse27 .cse13 .cse32)) (.cse6 (not (= ~a21~0 1)))) (and (or .cse0 .cse1 (and (not (< 1 |old(~a19~0)|)) .cse2) .cse3 .cse4 (not (<= 7 |old(~a28~0)|)) .cse5 .cse6 .cse7 (and .cse8 .cse9 (<= 7 ~a28~0) .cse10 .cse11 .cse12 .cse13)) (or .cse14 (and .cse15 .cse16 .cse17 .cse18 .cse19) (and .cse20 .cse10 .cse21 .cse22 .cse13) .cse23 .cse5 .cse6 .cse24 (not (<= |old(~a11~0)| 0))) (or .cse25 .cse14 .cse23 .cse26 .cse6 (and .cse20 .cse21 .cse27 .cse28 .cse13)) (or .cse29 .cse14 .cse23 .cse30 .cse6 .cse31 (and .cse20 .cse10 .cse21 .cse13 .cse32)) (or .cse25 .cse29 .cse33 .cse23 .cse30 .cse34 .cse6 .cse31) (or .cse35 (and .cse20 .cse10 .cse21 (= ~a28~0 8) .cse13) .cse36 .cse23 .cse37 .cse30 .cse6 (not (= 8 |old(~a28~0)|))) (or (and .cse20 .cse10 (<= ~a17~0 8) .cse12 (< 7 ~a17~0) .cse13 (< 6 ~a28~0)) .cse0 .cse23 .cse30 .cse6 .cse31 .cse2 (not (< 6 |old(~a28~0)|))) (or (not (<= |old(~a19~0)| 1)) .cse1 .cse3 .cse4 (not (<= 1 |old(~a19~0)|)) (and .cse8 .cse9 (<= 9 ~a28~0) .cse10 .cse11 (<= ~a28~0 9) .cse13) .cse5 (not (<= |old(~a28~0)| 9)) .cse6 .cse7 (not (<= 9 |old(~a28~0)|))) (or .cse29 .cse38 (not (= |old(~a19~0)| |old(~a25~0)|)) .cse37 .cse6 (and .cse39 .cse20 (= ~a25~0 ~a19~0) .cse13 .cse32) .cse40) (or .cse25 .cse14 (and (= ~a28~0 |old(~a28~0)|) .cse20 .cse21 .cse27 .cse13) .cse23 .cse30 .cse6) (or .cse35 .cse14 .cse23 .cse30 .cse26 .cse6 (and .cse20 .cse10 .cse21 .cse28 .cse13)) (or (and .cse39 .cse20 .cse22 .cse27 .cse13) .cse25 .cse38 .cse14 .cse6 .cse24 .cse40) (or .cse25 .cse38 (and .cse39 .cse20 .cse27 .cse28 .cse13) .cse33 .cse26 .cse6 .cse40) (or .cse25 .cse29 .cse14 .cse23 .cse34 .cse6)))) [2020-10-13 06:12:05,303 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,304 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,304 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,304 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-13 06:12:05,304 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-13 06:12:05,304 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-13 06:12:05,304 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-13 06:12:05,304 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-13 06:12:05,304 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-13 06:12:05,304 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-13 06:12:05,304 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-13 06:12:05,304 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-13 06:12:05,304 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-13 06:12:05,304 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-13 06:12:05,304 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-13 06:12:05,305 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-13 06:12:05,306 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-13 06:12:05,307 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:12:05,308 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (<= ~a19~0 1) (<= ~a25~0 0) (<= 1 ~a19~0)) [2020-10-13 06:12:05,308 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 06:12:05,308 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:12:05,308 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (and (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0))) [2020-10-13 06:12:05,308 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse10 (= ~a11~0 1))) (let ((.cse11 (= ~a19~0 0)) (.cse8 (= 7 ~a28~0)) (.cse6 (= 7 ~a17~0)) (.cse16 (= ~a25~0 0)) (.cse5 (<= ~a19~0 0)) (.cse0 (<= 7 ~a28~0)) (.cse2 (<= ~a28~0 7)) (.cse14 (not .cse10)) (.cse12 (= ~a28~0 9)) (.cse7 (= ~a19~0 1)) (.cse13 (= ~a17~0 8)) (.cse9 (= ~a25~0 1)) (.cse15 (= ~a28~0 10)) (.cse1 (<= 8 ~a17~0)) (.cse3 (<= ~a17~0 8)) (.cse4 (<= ~a25~0 0))) (or (and (<= 1 ~a11~0) .cse0 (<= ~a11~0 1) .cse1 .cse2 .cse3 .cse4 (or .cse5 (< 1 ~a19~0))) (and .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse6 .cse9 .cse12 .cse10) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse11 .cse13 .cse9 .cse14 .cse15) (and (= ~a11~0 |old(~a11~0)|) .cse7 (= ~a25~0 |old(~a25~0)|) .cse13 .cse8) (and .cse16 .cse13 (not .cse7) .cse14 (= ~a28~0 8)) (and .cse13 .cse12 .cse14 (= ~a19~0 |old(~a19~0)|)) (and .cse7 .cse13 .cse14 .cse15) (and .cse6 .cse16 .cse10 (= ~a25~0 ~a19~0) .cse15) (and .cse5 .cse0 .cse13 .cse14 .cse2) (and .cse7 .cse13 .cse9 .cse14) (and .cse7 .cse13 .cse9 .cse12) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and .cse7 .cse13 .cse9 .cse15) (not (<= |old(~a11~0)| 0)) (and (<= 9 ~a28~0) .cse1 (<= ~a19~0 1) (<= ~a28~0 9) .cse3 .cse4 (<= 1 ~a19~0))))) [2020-10-13 06:12:05,308 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:12:05,308 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:12:05,309 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse12 (= ~a11~0 1)) (.cse25 (and (<= main_~input~0 1) (<= 1 main_~input~0))) (.cse22 (= 5 main_~input~0)) (.cse23 (= 6 main_~input~0)) (.cse24 (= main_~input~0 4)) (.cse26 (= 3 main_~input~0))) (let ((.cse13 (or .cse22 .cse23 .cse24 .cse26 (= main_~input~0 1))) (.cse0 (<= 1 ~a11~0)) (.cse2 (<= ~a11~0 1)) (.cse3 (<= 8 ~a17~0)) (.cse5 (<= ~a17~0 8)) (.cse6 (<= ~a25~0 0)) (.cse17 (= ~a19~0 0)) (.cse7 (<= ~a19~0 0)) (.cse1 (<= 7 ~a28~0)) (.cse4 (<= ~a28~0 7)) (.cse10 (= 7 ~a28~0)) (.cse19 (<= ~a19~0 1)) (.cse8 (= 7 ~a17~0)) (.cse18 (= ~a25~0 0)) (.cse20 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) .cse25 (and (<= main_~input~0 5) (<= 5 main_~input~0)))) (.cse16 (not .cse12)) (.cse15 (= ~a28~0 9)) (.cse9 (= ~a19~0 1)) (.cse14 (= ~a17~0 8)) (.cse11 (= ~a25~0 1)) (.cse21 (= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (or .cse7 (< 1 ~a19~0))) (and .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse14 .cse15 .cse16 (= ~a19~0 |old(~a19~0)|)) (and .cse17 .cse8 .cse11 .cse15 .cse12) (not (= |old(~a19~0)| 1)) (and .cse13 .cse18 .cse14 (not .cse9) .cse16 (= ~a28~0 8)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse0 (<= 9 ~a28~0) .cse2 .cse3 .cse19 (<= ~a28~0 9) .cse5 .cse6 (<= 1 ~a19~0)) (and .cse17 .cse14 .cse20 .cse11 .cse16 .cse21) (and .cse7 .cse1 .cse14 .cse20 .cse16 .cse4) (and (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse14 .cse10 .cse19 (or .cse22 .cse23 .cse24 .cse25 .cse26)) (and .cse8 .cse18 .cse12 (= ~a25~0 ~a19~0) .cse21) (and .cse9 .cse14 .cse20 .cse16 .cse21) (and .cse9 .cse14 .cse11 .cse16) (and .cse9 .cse14 .cse11 .cse15) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and .cse9 .cse14 .cse11 .cse21) (not (<= |old(~a11~0)| 0))))) [2020-10-13 06:12:05,309 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-13 06:12:05,309 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-13 06:12:05,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:12:05 BoogieIcfgContainer [2020-10-13 06:12:05,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 06:12:05,337 INFO L168 Benchmark]: Toolchain (without parser) took 88595.30 ms. Allocated memory was 138.4 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 99.8 MB in the beginning and 999.8 MB in the end (delta: -900.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-13 06:12:05,338 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-13 06:12:05,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.49 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 99.6 MB in the beginning and 168.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-10-13 06:12:05,339 INFO L168 Benchmark]: Boogie Preprocessor took 122.08 ms. Allocated memory is still 202.9 MB. Free memory was 168.7 MB in the beginning and 163.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-13 06:12:05,340 INFO L168 Benchmark]: RCFGBuilder took 1230.61 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 163.8 MB in the beginning and 180.0 MB in the end (delta: -16.3 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2020-10-13 06:12:05,340 INFO L168 Benchmark]: TraceAbstraction took 86511.04 ms. Allocated memory was 234.4 MB in the beginning and 1.2 GB in the end (delta: 952.6 MB). Free memory was 178.6 MB in the beginning and 999.8 MB in the end (delta: -821.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-13 06:12:05,343 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 726.49 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 99.6 MB in the beginning and 168.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.08 ms. Allocated memory is still 202.9 MB. Free memory was 168.7 MB in the beginning and 163.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1230.61 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 163.8 MB in the beginning and 180.0 MB in the end (delta: -16.3 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 86511.04 ms. Allocated memory was 234.4 MB in the beginning and 1.2 GB in the end (delta: 952.6 MB). Free memory was 178.6 MB in the beginning and 999.8 MB in the end (delta: -821.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 514]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((1 <= a11 && 7 <= a28) && a11 <= 1) && 8 <= a17) && a28 <= 7) && a17 <= 8) && a25 <= 0) && (a19 <= 0 || 1 < a19)) || ((((7 == a17 && a19 == 1) && 7 == a28) && a25 == 1) && a11 == 1)) || ((((a19 == 0 && 7 == a17) && a25 == 1) && a28 == 9) && a11 == 1)) || !(\old(a19) == 1)) || !(8 == \old(a17))) || !(\old(a25) <= 0)) || ((((a19 == 0 && a17 == 8) && a25 == 1) && !(a11 == 1)) && a28 == 10)) || ((((a11 == \old(a11) && a19 == 1) && a25 == \old(a25)) && a17 == 8) && 7 == a28)) || ((((a25 == 0 && a17 == 8) && !(a19 == 1)) && !(a11 == 1)) && a28 == 8)) || (((a17 == 8 && a28 == 9) && !(a11 == 1)) && a19 == \old(a19))) || (((a19 == 1 && a17 == 8) && !(a11 == 1)) && a28 == 10)) || ((((7 == a17 && a25 == 0) && a11 == 1) && a25 == a19) && a28 == 10)) || ((((a19 <= 0 && 7 <= a28) && a17 == 8) && !(a11 == 1)) && a28 <= 7)) || (((a19 == 1 && a17 == 8) && a25 == 1) && !(a11 == 1))) || (((a19 == 1 && a17 == 8) && a25 == 1) && a28 == 9)) || !(a21 == 1)) || !(7 == \old(a28))) || (((a19 == 1 && a17 == 8) && a25 == 1) && a28 == 10)) || !(\old(a11) <= 0)) || ((((((9 <= a28 && 8 <= a17) && a19 <= 1) && a28 <= 9) && a17 <= 8) && a25 <= 0) && 1 <= a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 80.9s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 32.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 675 SDtfs, 6748 SDslu, 980 SDs, 0 SdLazy, 14936 SolverSat, 1236 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 390 GetRequests, 156 SyntacticMatches, 8 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 522 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=869occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 155 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 108 PreInvPairs, 146 NumberOfFragments, 1607 HoareAnnotationTreeSize, 108 FomulaSimplifications, 21824236 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2278 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 44.0s InterpolantComputationTime, 3741 NumberOfCodeBlocks, 3741 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3723 ConstructedInterpolants, 0 QuantifiedInterpolants, 8586205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 1 PerfectInterpolantSequences, 2294/2328 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...