/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/Problem11_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:12:27,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:12:27,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:12:27,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:12:27,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:12:27,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:12:27,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:12:27,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:12:27,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:12:27,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:12:27,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:12:27,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:12:27,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:12:27,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:12:27,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:12:27,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:12:27,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:12:27,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:12:27,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:12:27,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:12:27,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:12:27,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:12:27,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:12:27,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:12:27,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:12:27,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:12:27,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:12:27,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:12:27,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:12:27,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:12:27,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:12:27,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:12:27,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:12:27,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:12:27,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:12:27,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:12:27,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:12:27,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:12:27,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:12:27,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:12:27,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:12:27,108 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 08:12:27,161 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:12:27,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:12:27,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:12:27,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:12:27,163 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:12:27,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:12:27,163 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:12:27,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:12:27,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:12:27,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:12:27,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:12:27,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:12:27,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:12:27,168 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:12:27,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:12:27,168 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:12:27,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:12:27,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:12:27,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:12:27,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:12:27,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:12:27,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:12:27,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:12:27,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:12:27,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:12:27,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:12:27,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:12:27,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:12:27,173 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:12:27,173 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 08:12:27,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:12:27,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:12:27,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:12:27,538 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:12:27,539 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:12:27,540 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label55.c [2020-10-13 08:12:27,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de716e143/bbf9217b22d643eeb01967fa16f33453/FLAGbc0e90a61 [2020-10-13 08:12:28,278 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:12:28,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label55.c [2020-10-13 08:12:28,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de716e143/bbf9217b22d643eeb01967fa16f33453/FLAGbc0e90a61 [2020-10-13 08:12:28,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de716e143/bbf9217b22d643eeb01967fa16f33453 [2020-10-13 08:12:28,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:12:28,553 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:12:28,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:12:28,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:12:28,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:12:28,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:12:28" (1/1) ... [2020-10-13 08:12:28,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3729b9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:28, skipping insertion in model container [2020-10-13 08:12:28,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:12:28" (1/1) ... [2020-10-13 08:12:28,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:12:28,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:12:29,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:12:29,351 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:12:29,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:12:29,588 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:12:29,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:29 WrapperNode [2020-10-13 08:12:29,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:12:29,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:12:29,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:12:29,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:12:29,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:29" (1/1) ... [2020-10-13 08:12:29,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:29" (1/1) ... [2020-10-13 08:12:29,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:29" (1/1) ... [2020-10-13 08:12:29,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:29" (1/1) ... [2020-10-13 08:12:29,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:29" (1/1) ... [2020-10-13 08:12:29,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:29" (1/1) ... [2020-10-13 08:12:29,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:29" (1/1) ... [2020-10-13 08:12:29,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:12:29,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:12:29,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:12:29,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:12:29,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:29" (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 08:12:29,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:12:29,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:12:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:12:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:12:29,846 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:12:29,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:12:29,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:12:29,848 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:12:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:12:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:12:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:12:31,844 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:12:31,845 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:12:31,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:12:31 BoogieIcfgContainer [2020-10-13 08:12:31,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:12:31,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:12:31,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:12:31,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:12:31,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:12:28" (1/3) ... [2020-10-13 08:12:31,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dc1353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:12:31, skipping insertion in model container [2020-10-13 08:12:31,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:29" (2/3) ... [2020-10-13 08:12:31,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dc1353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:12:31, skipping insertion in model container [2020-10-13 08:12:31,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:12:31" (3/3) ... [2020-10-13 08:12:31,903 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label55.c [2020-10-13 08:12:31,914 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:12:31,925 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:12:31,939 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:12:31,971 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:12:31,971 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:12:31,971 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:12:31,971 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:12:31,971 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:12:31,972 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:12:31,972 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:12:31,972 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:12:31,997 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-13 08:12:32,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 08:12:32,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:32,006 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] [2020-10-13 08:12:32,006 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:32,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:32,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1587257066, now seen corresponding path program 1 times [2020-10-13 08:12:32,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:32,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855779972] [2020-10-13 08:12:32,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:32,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:32,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:32,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 08:12:32,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:32,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-13 08:12:32,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:32,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:12:32,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:12:32,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 08:12:32,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:12:32,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:32,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:32,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:32,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:32,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:32,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 08:12:32,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:12:32,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:32,853 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 08:12:32,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1855779972] [2020-10-13 08:12:32,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:12:32,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:12:32,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076350012] [2020-10-13 08:12:32,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:12:32,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:32,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:12:32,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:12:32,894 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-13 08:12:35,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:35,476 INFO L93 Difference]: Finished difference Result 791 states and 1386 transitions. [2020-10-13 08:12:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:12:35,478 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-13 08:12:35,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:35,514 INFO L225 Difference]: With dead ends: 791 [2020-10-13 08:12:35,515 INFO L226 Difference]: Without dead ends: 434 [2020-10-13 08:12:35,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:12:35,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-13 08:12:35,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2020-10-13 08:12:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-13 08:12:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 618 transitions. [2020-10-13 08:12:35,638 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 618 transitions. Word has length 51 [2020-10-13 08:12:35,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:35,639 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 618 transitions. [2020-10-13 08:12:35,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:12:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 618 transitions. [2020-10-13 08:12:35,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-13 08:12:35,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:35,645 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:35,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:12:35,646 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:35,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:35,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1592222806, now seen corresponding path program 1 times [2020-10-13 08:12:35,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:35,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141579248] [2020-10-13 08:12:35,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:35,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:35,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:36,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:37,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:37,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 08:12:37,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:12:37,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1551 [2020-10-13 08:12:37,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 08:12:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 08:12:37,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:37,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:37,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:37,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:37,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:37,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:37,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:12:37,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:37,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:37,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:37,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:37,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:37,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:37,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:37,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:37,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:12:37,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:37,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-13 08:12:37,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:37,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:37,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:37,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:12:37,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:37,717 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:12:37,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [141579248] [2020-10-13 08:12:37,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:37,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:12:37,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261121275] [2020-10-13 08:12:37,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:12:37,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:37,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:12:37,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:12:37,730 INFO L87 Difference]: Start difference. First operand 430 states and 618 transitions. Second operand 5 states. [2020-10-13 08:12:39,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:39,423 INFO L93 Difference]: Finished difference Result 879 states and 1263 transitions. [2020-10-13 08:12:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:12:39,424 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-10-13 08:12:39,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:39,427 INFO L225 Difference]: With dead ends: 879 [2020-10-13 08:12:39,427 INFO L226 Difference]: Without dead ends: 434 [2020-10-13 08:12:39,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:12:39,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-13 08:12:39,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2020-10-13 08:12:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-13 08:12:39,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 616 transitions. [2020-10-13 08:12:39,457 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 616 transitions. Word has length 123 [2020-10-13 08:12:39,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:39,458 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 616 transitions. [2020-10-13 08:12:39,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:12:39,458 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 616 transitions. [2020-10-13 08:12:39,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 08:12:39,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:39,463 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:39,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:12:39,464 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:39,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:39,464 INFO L82 PathProgramCache]: Analyzing trace with hash -654834599, now seen corresponding path program 1 times [2020-10-13 08:12:39,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:39,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140030766] [2020-10-13 08:12:39,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:39,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:39,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:41,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:41,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 08:12:41,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:12:41,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1608 [2020-10-13 08:12:41,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:12:41,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 08:12:41,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:41,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:41,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:41,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:41,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:41,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:41,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:12:41,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:41,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:41,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:41,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:41,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:41,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:41,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:12:41,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:41,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-13 08:12:41,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:41,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:41,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:41,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:12:41,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:41,393 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:12:41,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1140030766] [2020-10-13 08:12:41,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:41,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:12:41,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702131926] [2020-10-13 08:12:41,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:12:41,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:41,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:12:41,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:12:41,396 INFO L87 Difference]: Start difference. First operand 430 states and 616 transitions. Second operand 6 states. [2020-10-13 08:12:44,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:44,602 INFO L93 Difference]: Finished difference Result 1650 states and 2413 transitions. [2020-10-13 08:12:44,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:12:44,605 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2020-10-13 08:12:44,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:44,613 INFO L225 Difference]: With dead ends: 1650 [2020-10-13 08:12:44,614 INFO L226 Difference]: Without dead ends: 1226 [2020-10-13 08:12:44,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:12:44,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2020-10-13 08:12:44,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1012. [2020-10-13 08:12:44,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1012 states. [2020-10-13 08:12:44,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1417 transitions. [2020-10-13 08:12:44,663 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1417 transitions. Word has length 124 [2020-10-13 08:12:44,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:44,663 INFO L479 AbstractCegarLoop]: Abstraction has 1012 states and 1417 transitions. [2020-10-13 08:12:44,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:12:44,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1417 transitions. [2020-10-13 08:12:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-13 08:12:44,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:44,680 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:12:44,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:12:44,680 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:44,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:44,681 INFO L82 PathProgramCache]: Analyzing trace with hash 649342070, now seen corresponding path program 1 times [2020-10-13 08:12:44,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:44,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246568382] [2020-10-13 08:12:44,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:44,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:45,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:45,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-13 08:12:45,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:45,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-13 08:12:45,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:45,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:12:45,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:12:45,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 08:12:45,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:45,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:45,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:45,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:45,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:45,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:45,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 08:12:45,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:45,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:45,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:45,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:12:45,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:45,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:45,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:45,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:45,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:12:45,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:45,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-13 08:12:45,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:45,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:45,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:12:45,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:12:45,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:12:45,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1246568382] [2020-10-13 08:12:45,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:12:45,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 08:12:45,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32364243] [2020-10-13 08:12:45,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:12:45,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:45,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:12:45,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:12:45,711 INFO L87 Difference]: Start difference. First operand 1012 states and 1417 transitions. Second operand 7 states. [2020-10-13 08:12:48,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:48,015 INFO L93 Difference]: Finished difference Result 2247 states and 3143 transitions. [2020-10-13 08:12:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:12:48,015 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 145 [2020-10-13 08:12:48,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:48,024 INFO L225 Difference]: With dead ends: 2247 [2020-10-13 08:12:48,024 INFO L226 Difference]: Without dead ends: 1241 [2020-10-13 08:12:48,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-13 08:12:48,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2020-10-13 08:12:48,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1220. [2020-10-13 08:12:48,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1220 states. [2020-10-13 08:12:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 1652 transitions. [2020-10-13 08:12:48,091 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 1652 transitions. Word has length 145 [2020-10-13 08:12:48,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:48,093 INFO L479 AbstractCegarLoop]: Abstraction has 1220 states and 1652 transitions. [2020-10-13 08:12:48,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:12:48,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1652 transitions. [2020-10-13 08:12:48,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-13 08:12:48,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:48,102 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, 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] [2020-10-13 08:12:48,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:12:48,102 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:48,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:48,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1308623197, now seen corresponding path program 1 times [2020-10-13 08:12:48,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:48,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891476440] [2020-10-13 08:12:48,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:48,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:48,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:49,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:49,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:49,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-13 08:12:49,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:12:49,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1237 [2020-10-13 08:12:49,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 214 [2020-10-13 08:12:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 08:12:49,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:49,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:49,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:49,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:49,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:49,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:49,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:12:49,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:49,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:49,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:49,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:49,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:49,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:12:49,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:49,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 08:12:49,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:49,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:49,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:49,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:49,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:49,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:12:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:49,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:49,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:49,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-13 08:12:49,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:49,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 08:12:49,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:49,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:49,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:49,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-13 08:12:49,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:49,844 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-13 08:12:49,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891476440] [2020-10-13 08:12:49,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:49,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:12:49,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569000292] [2020-10-13 08:12:49,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:12:49,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:49,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:12:49,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:12:49,851 INFO L87 Difference]: Start difference. First operand 1220 states and 1652 transitions. Second operand 5 states. [2020-10-13 08:12:51,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:51,902 INFO L93 Difference]: Finished difference Result 3238 states and 4604 transitions. [2020-10-13 08:12:51,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:12:51,907 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 253 [2020-10-13 08:12:51,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:51,920 INFO L225 Difference]: With dead ends: 3238 [2020-10-13 08:12:51,921 INFO L226 Difference]: Without dead ends: 2212 [2020-10-13 08:12:51,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:12:51,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2020-10-13 08:12:51,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 2195. [2020-10-13 08:12:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2195 states. [2020-10-13 08:12:51,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 3043 transitions. [2020-10-13 08:12:51,993 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 3043 transitions. Word has length 253 [2020-10-13 08:12:51,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:51,994 INFO L479 AbstractCegarLoop]: Abstraction has 2195 states and 3043 transitions. [2020-10-13 08:12:51,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:12:51,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 3043 transitions. [2020-10-13 08:12:52,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-10-13 08:12:52,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:52,001 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, 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] [2020-10-13 08:12:52,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:12:52,001 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:52,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:52,002 INFO L82 PathProgramCache]: Analyzing trace with hash -602053855, now seen corresponding path program 1 times [2020-10-13 08:12:52,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:52,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1856959939] [2020-10-13 08:12:52,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:52,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:52,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:53,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:53,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:53,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-13 08:12:53,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:12:53,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1379 [2020-10-13 08:12:53,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:53,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:53,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 232 [2020-10-13 08:12:53,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 08:12:53,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:53,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:53,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:53,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:53,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:53,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:53,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:12:53,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:53,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:53,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:53,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:53,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:53,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:53,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:53,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:53,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:12:53,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:53,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 08:12:53,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:53,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:53,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:53,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:53,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:53,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:12:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:53,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:53,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:53,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 08:12:53,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:53,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-13 08:12:53,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:53,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 08:12:53,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:53,923 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-13 08:12:53,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1856959939] [2020-10-13 08:12:53,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:53,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:12:53,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869301493] [2020-10-13 08:12:53,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:12:53,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:53,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:12:53,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:12:53,928 INFO L87 Difference]: Start difference. First operand 2195 states and 3043 transitions. Second operand 5 states. [2020-10-13 08:12:56,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:12:56,261 INFO L93 Difference]: Finished difference Result 5355 states and 7823 transitions. [2020-10-13 08:12:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:12:56,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 271 [2020-10-13 08:12:56,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:12:56,285 INFO L225 Difference]: With dead ends: 5355 [2020-10-13 08:12:56,286 INFO L226 Difference]: Without dead ends: 3354 [2020-10-13 08:12:56,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:12:56,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3354 states. [2020-10-13 08:12:56,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3354 to 2956. [2020-10-13 08:12:56,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2956 states. [2020-10-13 08:12:56,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2956 states and 3998 transitions. [2020-10-13 08:12:56,389 INFO L78 Accepts]: Start accepts. Automaton has 2956 states and 3998 transitions. Word has length 271 [2020-10-13 08:12:56,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:12:56,390 INFO L479 AbstractCegarLoop]: Abstraction has 2956 states and 3998 transitions. [2020-10-13 08:12:56,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:12:56,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2956 states and 3998 transitions. [2020-10-13 08:12:56,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-13 08:12:56,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:12:56,397 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, 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] [2020-10-13 08:12:56,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:12:56,398 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:12:56,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:12:56,398 INFO L82 PathProgramCache]: Analyzing trace with hash 968484805, now seen corresponding path program 1 times [2020-10-13 08:12:56,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:12:56,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003230663] [2020-10-13 08:12:56,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:12:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:56,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:56,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:56,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:58,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:58,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-13 08:12:58,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:12:58,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2415 [2020-10-13 08:12:58,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:12:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-10-13 08:12:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 08:12:58,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:59,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:12:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:59,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:59,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:59,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:12:59,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:59,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:12:59,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:59,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:12:59,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:12:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:59,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:59,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:59,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:12:59,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:59,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 08:12:59,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:59,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:12:59,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:59,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:12:59,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:59,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:12:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:12:59,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:12:59,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:12:59,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 08:12:59,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:12:59,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 08:12:59,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:12:59,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:12:59,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:12:59,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-13 08:12:59,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:12:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-13 08:12:59,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003230663] [2020-10-13 08:12:59,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:12:59,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:12:59,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111291338] [2020-10-13 08:12:59,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:12:59,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:12:59,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:12:59,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:12:59,408 INFO L87 Difference]: Start difference. First operand 2956 states and 3998 transitions. Second operand 5 states. [2020-10-13 08:13:01,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:01,482 INFO L93 Difference]: Finished difference Result 5742 states and 7855 transitions. [2020-10-13 08:13:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:13:01,483 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 273 [2020-10-13 08:13:01,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:01,498 INFO L225 Difference]: With dead ends: 5742 [2020-10-13 08:13:01,499 INFO L226 Difference]: Without dead ends: 2964 [2020-10-13 08:13:01,507 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 08:13:01,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2964 states. [2020-10-13 08:13:01,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2964 to 2956. [2020-10-13 08:13:01,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2956 states. [2020-10-13 08:13:01,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2956 states and 3974 transitions. [2020-10-13 08:13:01,588 INFO L78 Accepts]: Start accepts. Automaton has 2956 states and 3974 transitions. Word has length 273 [2020-10-13 08:13:01,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:01,589 INFO L479 AbstractCegarLoop]: Abstraction has 2956 states and 3974 transitions. [2020-10-13 08:13:01,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:13:01,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2956 states and 3974 transitions. [2020-10-13 08:13:01,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-13 08:13:01,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:01,599 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, 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] [2020-10-13 08:13:01,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:13:01,599 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:01,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:01,600 INFO L82 PathProgramCache]: Analyzing trace with hash 2104899422, now seen corresponding path program 1 times [2020-10-13 08:13:01,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:01,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118500523] [2020-10-13 08:13:01,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:01,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:01,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:02,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:02,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:02,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-13 08:13:02,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:13:02,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 886 [2020-10-13 08:13:02,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:02,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:02,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 243 [2020-10-13 08:13:02,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:13:02,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:02,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:02,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:02,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:02,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:02,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:02,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:13:02,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:02,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:02,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:02,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:02,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:02,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:02,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:02,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:02,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:13:02,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:02,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 08:13:02,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:02,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:02,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:13:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:02,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:02,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:02,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-13 08:13:02,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:02,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-13 08:13:02,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:02,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:02,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-13 08:13:02,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:13:02,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:13:02,957 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-13 08:13:02,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118500523] [2020-10-13 08:13:02,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:13:02,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 08:13:02,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959015480] [2020-10-13 08:13:02,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:13:02,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:02,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:13:02,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:13:02,969 INFO L87 Difference]: Start difference. First operand 2956 states and 3974 transitions. Second operand 5 states. [2020-10-13 08:13:05,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:05,197 INFO L93 Difference]: Finished difference Result 6681 states and 9215 transitions. [2020-10-13 08:13:05,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:13:05,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 284 [2020-10-13 08:13:05,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:05,218 INFO L225 Difference]: With dead ends: 6681 [2020-10-13 08:13:05,219 INFO L226 Difference]: Without dead ends: 3919 [2020-10-13 08:13:05,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:13:05,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3919 states. [2020-10-13 08:13:05,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3919 to 3909. [2020-10-13 08:13:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3909 states. [2020-10-13 08:13:05,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3909 states to 3909 states and 5180 transitions. [2020-10-13 08:13:05,332 INFO L78 Accepts]: Start accepts. Automaton has 3909 states and 5180 transitions. Word has length 284 [2020-10-13 08:13:05,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:05,333 INFO L479 AbstractCegarLoop]: Abstraction has 3909 states and 5180 transitions. [2020-10-13 08:13:05,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:13:05,334 INFO L276 IsEmpty]: Start isEmpty. Operand 3909 states and 5180 transitions. [2020-10-13 08:13:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-13 08:13:05,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:05,344 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, 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] [2020-10-13 08:13:05,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:13:05,345 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:05,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:05,345 INFO L82 PathProgramCache]: Analyzing trace with hash -961590813, now seen corresponding path program 1 times [2020-10-13 08:13:05,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:05,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210902622] [2020-10-13 08:13:05,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:05,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:05,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:06,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:06,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-13 08:13:06,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:13:06,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1397 [2020-10-13 08:13:06,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:06,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:06,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-13 08:13:06,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:13:06,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:06,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:06,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:06,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:06,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:06,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:06,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 08:13:06,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:06,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:06,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:06,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:06,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:06,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:06,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:07,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:07,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:13:07,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:07,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-13 08:13:07,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-13 08:13:07,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:07,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 08:13:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:07,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:07,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:07,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:13:07,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-13 08:13:07,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:13:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:13:07,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:07,399 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:13:07,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210902622] [2020-10-13 08:13:07,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:07,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:13:07,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635481369] [2020-10-13 08:13:07,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:13:07,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:07,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:13:07,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:13:07,402 INFO L87 Difference]: Start difference. First operand 3909 states and 5180 transitions. Second operand 7 states. [2020-10-13 08:13:11,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:11,186 INFO L93 Difference]: Finished difference Result 8547 states and 11943 transitions. [2020-10-13 08:13:11,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 08:13:11,187 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 292 [2020-10-13 08:13:11,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:11,215 INFO L225 Difference]: With dead ends: 8547 [2020-10-13 08:13:11,215 INFO L226 Difference]: Without dead ends: 4832 [2020-10-13 08:13:11,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:13:11,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4832 states. [2020-10-13 08:13:11,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4832 to 4732. [2020-10-13 08:13:11,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4732 states. [2020-10-13 08:13:11,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4732 states to 4732 states and 6233 transitions. [2020-10-13 08:13:11,380 INFO L78 Accepts]: Start accepts. Automaton has 4732 states and 6233 transitions. Word has length 292 [2020-10-13 08:13:11,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:11,381 INFO L479 AbstractCegarLoop]: Abstraction has 4732 states and 6233 transitions. [2020-10-13 08:13:11,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:13:11,381 INFO L276 IsEmpty]: Start isEmpty. Operand 4732 states and 6233 transitions. [2020-10-13 08:13:11,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-10-13 08:13:11,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:11,393 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, 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, 1, 1, 1, 1] [2020-10-13 08:13:11,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:13:11,393 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:11,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:11,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1132863298, now seen corresponding path program 1 times [2020-10-13 08:13:11,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:11,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542741731] [2020-10-13 08:13:11,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:11,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:11,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:12,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:16,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:16,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-10-13 08:13:16,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:13:16,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4629 [2020-10-13 08:13:16,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:13:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-10-13 08:13:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-13 08:13:16,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:16,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:16,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:16,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:16,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:16,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:13:16,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:16,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:16,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:16,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:16,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-13 08:13:16,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:16,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-13 08:13:16,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:16,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:16,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:16,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-13 08:13:16,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:16,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-13 08:13:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:16,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:16,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:16,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:13:16,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:16,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-13 08:13:16,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:16,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 08:13:16,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:13:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:13:16,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 133 proven. 48 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:13:16,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542741731] [2020-10-13 08:13:16,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:16,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:13:16,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280051383] [2020-10-13 08:13:16,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:13:16,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:16,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:13:16,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:13:16,705 INFO L87 Difference]: Start difference. First operand 4732 states and 6233 transitions. Second operand 8 states. [2020-10-13 08:13:23,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:23,169 INFO L93 Difference]: Finished difference Result 12979 states and 18130 transitions. [2020-10-13 08:13:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 08:13:23,170 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 304 [2020-10-13 08:13:23,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:23,208 INFO L225 Difference]: With dead ends: 12979 [2020-10-13 08:13:23,208 INFO L226 Difference]: Without dead ends: 8257 [2020-10-13 08:13:23,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2020-10-13 08:13:23,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8257 states. [2020-10-13 08:13:23,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8257 to 7442. [2020-10-13 08:13:23,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7442 states. [2020-10-13 08:13:23,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7442 states to 7442 states and 9637 transitions. [2020-10-13 08:13:23,412 INFO L78 Accepts]: Start accepts. Automaton has 7442 states and 9637 transitions. Word has length 304 [2020-10-13 08:13:23,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:23,413 INFO L479 AbstractCegarLoop]: Abstraction has 7442 states and 9637 transitions. [2020-10-13 08:13:23,413 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:13:23,413 INFO L276 IsEmpty]: Start isEmpty. Operand 7442 states and 9637 transitions. [2020-10-13 08:13:23,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-13 08:13:23,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:23,430 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:13:23,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:13:23,431 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:23,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:23,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1781075638, now seen corresponding path program 1 times [2020-10-13 08:13:23,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:23,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501580481] [2020-10-13 08:13:23,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:23,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:23,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:24,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:25,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:25,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-10-13 08:13:25,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:13:25,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2369 [2020-10-13 08:13:25,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:25,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:25,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-13 08:13:25,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:13:25,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:25,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:25,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:25,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:25,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:25,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:25,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:13:25,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:25,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:25,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:25,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:25,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:25,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:26,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:26,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:26,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-13 08:13:26,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:26,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 08:13:26,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:26,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:26,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:26,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-13 08:13:26,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:26,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 08:13:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:26,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:26,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:26,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:13:26,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:26,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-13 08:13:26,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:26,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:26,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:13:26,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:13:26,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:26,663 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:13:26,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501580481] [2020-10-13 08:13:26,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:26,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:13:26,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591231542] [2020-10-13 08:13:26,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:13:26,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:26,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:13:26,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:13:26,665 INFO L87 Difference]: Start difference. First operand 7442 states and 9637 transitions. Second operand 8 states. [2020-10-13 08:13:30,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:30,805 INFO L93 Difference]: Finished difference Result 17948 states and 23966 transitions. [2020-10-13 08:13:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 08:13:30,807 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 308 [2020-10-13 08:13:30,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:30,841 INFO L225 Difference]: With dead ends: 17948 [2020-10-13 08:13:30,841 INFO L226 Difference]: Without dead ends: 10320 [2020-10-13 08:13:30,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-10-13 08:13:30,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10320 states. [2020-10-13 08:13:31,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10320 to 9365. [2020-10-13 08:13:31,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9365 states. [2020-10-13 08:13:31,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9365 states to 9365 states and 11709 transitions. [2020-10-13 08:13:31,139 INFO L78 Accepts]: Start accepts. Automaton has 9365 states and 11709 transitions. Word has length 308 [2020-10-13 08:13:31,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:31,139 INFO L479 AbstractCegarLoop]: Abstraction has 9365 states and 11709 transitions. [2020-10-13 08:13:31,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:13:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 9365 states and 11709 transitions. [2020-10-13 08:13:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-10-13 08:13:31,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:31,160 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:31,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:13:31,161 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:31,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:31,161 INFO L82 PathProgramCache]: Analyzing trace with hash -2043429464, now seen corresponding path program 1 times [2020-10-13 08:13:31,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:31,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223924981] [2020-10-13 08:13:31,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:31,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:31,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:31,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:32,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:33,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:35,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:35,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:35,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 392 [2020-10-13 08:13:35,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:13:35,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4678 [2020-10-13 08:13:35,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 244 [2020-10-13 08:13:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-13 08:13:35,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:35,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:35,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:35,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:35,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:35,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:35,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:13:35,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:35,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:35,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:35,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:35,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:36,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:36,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:36,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:36,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:13:36,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:36,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:13:36,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:36,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:36,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:36,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:36,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:36,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:13:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:36,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:36,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:36,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-13 08:13:36,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:36,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 08:13:36,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:36,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:36,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:36,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 08:13:36,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:36,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 08:13:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:36,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:36,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:36,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:13:36,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:36,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-13 08:13:36,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:36,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:13:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:13:36,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 319 proven. 2 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-10-13 08:13:36,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223924981] [2020-10-13 08:13:36,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:36,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:13:36,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865386935] [2020-10-13 08:13:36,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:13:36,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:36,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:13:36,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:13:36,470 INFO L87 Difference]: Start difference. First operand 9365 states and 11709 transitions. Second operand 7 states. [2020-10-13 08:13:39,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:39,743 INFO L93 Difference]: Finished difference Result 19554 states and 24928 transitions. [2020-10-13 08:13:39,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:13:39,745 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 378 [2020-10-13 08:13:39,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:39,778 INFO L225 Difference]: With dead ends: 19554 [2020-10-13 08:13:39,778 INFO L226 Difference]: Without dead ends: 10385 [2020-10-13 08:13:39,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:13:39,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10385 states. [2020-10-13 08:13:39,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10385 to 10174. [2020-10-13 08:13:39,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10174 states. [2020-10-13 08:13:40,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10174 states to 10174 states and 12727 transitions. [2020-10-13 08:13:40,016 INFO L78 Accepts]: Start accepts. Automaton has 10174 states and 12727 transitions. Word has length 378 [2020-10-13 08:13:40,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:40,017 INFO L479 AbstractCegarLoop]: Abstraction has 10174 states and 12727 transitions. [2020-10-13 08:13:40,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:13:40,017 INFO L276 IsEmpty]: Start isEmpty. Operand 10174 states and 12727 transitions. [2020-10-13 08:13:40,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-10-13 08:13:40,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:40,045 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:13:40,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:13:40,045 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:40,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:40,045 INFO L82 PathProgramCache]: Analyzing trace with hash 616666284, now seen corresponding path program 1 times [2020-10-13 08:13:40,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:40,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1474667132] [2020-10-13 08:13:40,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:40,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:40,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:41,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:41,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:41,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:41,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 418 [2020-10-13 08:13:41,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:13:41,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1710 [2020-10-13 08:13:41,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-10-13 08:13:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:13:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:41,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:41,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:41,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:41,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:41,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:41,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:13:41,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:41,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:41,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:41,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:41,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:41,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:41,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:41,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:41,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:13:41,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:41,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:13:41,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:41,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:42,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:13:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:42,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:42,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:42,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 08:13:42,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:42,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 08:13:42,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:42,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:42,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:42,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-13 08:13:42,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:42,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-13 08:13:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:42,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:42,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:42,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:13:42,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:42,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-13 08:13:42,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:42,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:13:42,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:13:42,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:42,540 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 319 proven. 2 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2020-10-13 08:13:42,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1474667132] [2020-10-13 08:13:42,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:42,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:13:42,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145697706] [2020-10-13 08:13:42,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:13:42,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:42,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:13:42,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:13:42,543 INFO L87 Difference]: Start difference. First operand 10174 states and 12727 transitions. Second operand 7 states. [2020-10-13 08:13:45,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:45,563 INFO L93 Difference]: Finished difference Result 20568 states and 25820 transitions. [2020-10-13 08:13:45,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:13:45,564 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 404 [2020-10-13 08:13:45,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:45,599 INFO L225 Difference]: With dead ends: 20568 [2020-10-13 08:13:45,600 INFO L226 Difference]: Without dead ends: 10399 [2020-10-13 08:13:45,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:13:45,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10399 states. [2020-10-13 08:13:45,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10399 to 10371. [2020-10-13 08:13:45,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10371 states. [2020-10-13 08:13:45,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10371 states to 10371 states and 12945 transitions. [2020-10-13 08:13:45,835 INFO L78 Accepts]: Start accepts. Automaton has 10371 states and 12945 transitions. Word has length 404 [2020-10-13 08:13:45,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:45,836 INFO L479 AbstractCegarLoop]: Abstraction has 10371 states and 12945 transitions. [2020-10-13 08:13:45,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:13:45,836 INFO L276 IsEmpty]: Start isEmpty. Operand 10371 states and 12945 transitions. [2020-10-13 08:13:45,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2020-10-13 08:13:45,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:45,866 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, 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, 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, 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 08:13:45,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:13:45,867 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:45,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:45,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1230648416, now seen corresponding path program 1 times [2020-10-13 08:13:45,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:45,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488952597] [2020-10-13 08:13:45,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:46,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:46,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:47,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:47,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:47,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 428 [2020-10-13 08:13:47,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:13:47,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1965 [2020-10-13 08:13:47,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:47,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:47,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 281 [2020-10-13 08:13:47,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:13:47,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:48,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:48,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:48,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:48,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:48,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:48,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:13:48,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:48,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:48,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:48,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:48,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:48,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:48,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:48,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:48,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:13:48,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:48,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 08:13:48,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:48,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:48,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:13:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:48,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:48,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:48,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 08:13:48,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:48,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 08:13:48,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-13 08:13:48,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:48,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-13 08:13:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:48,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:48,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:48,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:13:48,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:48,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-13 08:13:48,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:13:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:13:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:13:48,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:48,496 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 319 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-13 08:13:48,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488952597] [2020-10-13 08:13:48,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:48,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:13:48,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107920205] [2020-10-13 08:13:48,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:13:48,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:48,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:13:48,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:13:48,498 INFO L87 Difference]: Start difference. First operand 10371 states and 12945 transitions. Second operand 7 states. [2020-10-13 08:13:52,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:52,035 INFO L93 Difference]: Finished difference Result 20753 states and 25914 transitions. [2020-10-13 08:13:52,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:13:52,036 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 414 [2020-10-13 08:13:52,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:52,059 INFO L225 Difference]: With dead ends: 20753 [2020-10-13 08:13:52,059 INFO L226 Difference]: Without dead ends: 10578 [2020-10-13 08:13:52,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-13 08:13:52,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10578 states. [2020-10-13 08:13:52,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10578 to 10185. [2020-10-13 08:13:52,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10185 states. [2020-10-13 08:13:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10185 states to 10185 states and 12669 transitions. [2020-10-13 08:13:52,273 INFO L78 Accepts]: Start accepts. Automaton has 10185 states and 12669 transitions. Word has length 414 [2020-10-13 08:13:52,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:52,274 INFO L479 AbstractCegarLoop]: Abstraction has 10185 states and 12669 transitions. [2020-10-13 08:13:52,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:13:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 10185 states and 12669 transitions. [2020-10-13 08:13:52,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2020-10-13 08:13:52,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:52,304 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, 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, 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, 1, 1, 1, 1, 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 08:13:52,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:13:52,305 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:52,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:52,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1177448982, now seen corresponding path program 1 times [2020-10-13 08:13:52,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:52,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670930885] [2020-10-13 08:13:52,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:52,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:52,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:52,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:53,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:56,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:56,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 434 [2020-10-13 08:13:56,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:13:56,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3955 [2020-10-13 08:13:56,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:56,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:56,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 285 [2020-10-13 08:13:56,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:13:56,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:56,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:13:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:56,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:56,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:56,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:13:56,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:56,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:13:56,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:56,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:56,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:13:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:56,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:56,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:56,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:13:56,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:56,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 08:13:56,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:56,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:56,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:13:56,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:56,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:56,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:13:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:56,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:56,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:56,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 08:13:56,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:56,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-13 08:13:56,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:56,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:13:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-13 08:13:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:13:56,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:56,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2020-10-13 08:13:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:56,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:56,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:13:56,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:13:56,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:13:56,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 08:13:56,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:13:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:13:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 08:13:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:13:56,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:13:56,723 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 139 proven. 2 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2020-10-13 08:13:56,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670930885] [2020-10-13 08:13:56,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:13:56,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:13:56,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072274512] [2020-10-13 08:13:56,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:13:56,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:13:56,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:13:56,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:13:56,725 INFO L87 Difference]: Start difference. First operand 10185 states and 12669 transitions. Second operand 5 states. [2020-10-13 08:13:59,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:13:59,272 INFO L93 Difference]: Finished difference Result 22459 states and 28249 transitions. [2020-10-13 08:13:59,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:13:59,274 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 420 [2020-10-13 08:13:59,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:13:59,295 INFO L225 Difference]: With dead ends: 22459 [2020-10-13 08:13:59,295 INFO L226 Difference]: Without dead ends: 11511 [2020-10-13 08:13:59,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:13:59,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11511 states. [2020-10-13 08:13:59,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11511 to 11500. [2020-10-13 08:13:59,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11500 states. [2020-10-13 08:13:59,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11500 states to 11500 states and 14022 transitions. [2020-10-13 08:13:59,506 INFO L78 Accepts]: Start accepts. Automaton has 11500 states and 14022 transitions. Word has length 420 [2020-10-13 08:13:59,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:13:59,507 INFO L479 AbstractCegarLoop]: Abstraction has 11500 states and 14022 transitions. [2020-10-13 08:13:59,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:13:59,507 INFO L276 IsEmpty]: Start isEmpty. Operand 11500 states and 14022 transitions. [2020-10-13 08:13:59,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2020-10-13 08:13:59,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:13:59,535 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, 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, 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, 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] [2020-10-13 08:13:59,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:13:59,535 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:13:59,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:13:59,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1462642885, now seen corresponding path program 1 times [2020-10-13 08:13:59,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:13:59,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1584464307] [2020-10-13 08:13:59,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:13:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:13:59,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:13:59,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:00,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:03,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:03,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 472 [2020-10-13 08:14:03,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:14:03,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3831 [2020-10-13 08:14:03,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:03,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:14:03,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 325 [2020-10-13 08:14:03,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 08:14:03,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:14:03,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:14:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:03,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:03,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:03,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:14:03,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:03,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:14:03,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:03,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:03,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:03,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:03,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:03,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:14:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:03,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:03,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:03,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-13 08:14:03,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:03,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 08:14:03,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:03,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:03,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:03,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:03,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:03,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 08:14:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:03,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:03,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:03,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 08:14:03,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:03,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-13 08:14:03,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:03,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:14:03,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:03,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-13 08:14:03,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:03,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-13 08:14:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:03,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:04,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:04,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:04,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:14:04,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:14:04,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 364 [2020-10-13 08:14:04,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:14:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:14:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:14:04,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:04,689 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-10-13 08:14:04,858 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-10-13 08:14:05,030 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-10-13 08:14:05,707 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 319 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-10-13 08:14:05,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1584464307] [2020-10-13 08:14:05,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:14:05,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 08:14:05,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791342010] [2020-10-13 08:14:05,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 08:14:05,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:14:05,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 08:14:05,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 08:14:05,710 INFO L87 Difference]: Start difference. First operand 11500 states and 14022 transitions. Second operand 10 states. [2020-10-13 08:14:05,976 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2020-10-13 08:14:06,221 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2020-10-13 08:14:06,437 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 62 [2020-10-13 08:14:07,027 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2020-10-13 08:14:08,161 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-13 08:14:09,094 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-10-13 08:14:09,823 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 52 [2020-10-13 08:14:10,141 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 52 [2020-10-13 08:14:10,376 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 55 [2020-10-13 08:14:10,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:14:10,628 INFO L93 Difference]: Finished difference Result 23114 states and 28362 transitions. [2020-10-13 08:14:10,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 08:14:10,629 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 458 [2020-10-13 08:14:10,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:14:10,658 INFO L225 Difference]: With dead ends: 23114 [2020-10-13 08:14:10,658 INFO L226 Difference]: Without dead ends: 11756 [2020-10-13 08:14:10,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2020-10-13 08:14:10,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11756 states. [2020-10-13 08:14:10,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11756 to 11504. [2020-10-13 08:14:10,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11504 states. [2020-10-13 08:14:10,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11504 states to 11504 states and 14018 transitions. [2020-10-13 08:14:10,891 INFO L78 Accepts]: Start accepts. Automaton has 11504 states and 14018 transitions. Word has length 458 [2020-10-13 08:14:10,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:14:10,891 INFO L479 AbstractCegarLoop]: Abstraction has 11504 states and 14018 transitions. [2020-10-13 08:14:10,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 08:14:10,892 INFO L276 IsEmpty]: Start isEmpty. Operand 11504 states and 14018 transitions. [2020-10-13 08:14:10,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2020-10-13 08:14:10,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:14:10,910 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, 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, 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, 4, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:14:10,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 08:14:10,910 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:14:10,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:14:10,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1683007127, now seen corresponding path program 1 times [2020-10-13 08:14:10,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:14:10,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481763153] [2020-10-13 08:14:10,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:14:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:11,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:11,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:13,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:14,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:16,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:16,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 501 [2020-10-13 08:14:16,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:14:16,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-13 08:14:16,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:14:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-13 08:14:16,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:14:16,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:16,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:14:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:16,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:16,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:16,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:14:16,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:16,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:14:16,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:16,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:16,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:14:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:16,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:16,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:16,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:14:16,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:16,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:14:16,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:16,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:16,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:14:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:16,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:16,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:16,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-13 08:14:16,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:16,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 08:14:16,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:16,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:16,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:16,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:16,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:16,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 08:14:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:16,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:16,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:16,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 08:14:16,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:16,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-13 08:14:16,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:16,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:14:16,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:16,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-13 08:14:16,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:16,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-10-13 08:14:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:16,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:16,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:16,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:14:16,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:16,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-13 08:14:16,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:14:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:14:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:14:16,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:16,905 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 459 proven. 2 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2020-10-13 08:14:16,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481763153] [2020-10-13 08:14:16,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:14:16,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:14:16,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009115987] [2020-10-13 08:14:16,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:14:16,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:14:16,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:14:16,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:14:16,907 INFO L87 Difference]: Start difference. First operand 11504 states and 14018 transitions. Second operand 7 states. [2020-10-13 08:14:20,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:14:20,262 INFO L93 Difference]: Finished difference Result 23475 states and 29379 transitions. [2020-10-13 08:14:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:14:20,263 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 485 [2020-10-13 08:14:20,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:14:20,292 INFO L225 Difference]: With dead ends: 23475 [2020-10-13 08:14:20,293 INFO L226 Difference]: Without dead ends: 12167 [2020-10-13 08:14:20,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-13 08:14:20,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12167 states. [2020-10-13 08:14:20,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12167 to 12074. [2020-10-13 08:14:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12074 states. [2020-10-13 08:14:20,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12074 states to 12074 states and 14725 transitions. [2020-10-13 08:14:20,512 INFO L78 Accepts]: Start accepts. Automaton has 12074 states and 14725 transitions. Word has length 485 [2020-10-13 08:14:20,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:14:20,513 INFO L479 AbstractCegarLoop]: Abstraction has 12074 states and 14725 transitions. [2020-10-13 08:14:20,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:14:20,513 INFO L276 IsEmpty]: Start isEmpty. Operand 12074 states and 14725 transitions. [2020-10-13 08:14:20,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2020-10-13 08:14:20,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:14:20,530 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, 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, 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, 4, 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, 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 08:14:20,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 08:14:20,530 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:14:20,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:14:20,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1273250501, now seen corresponding path program 1 times [2020-10-13 08:14:20,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:14:20,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [84464513] [2020-10-13 08:14:20,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:14:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:20,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:20,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:21,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:22,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:23,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:24,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:25,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:25,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 517 [2020-10-13 08:14:25,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:14:25,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4758 [2020-10-13 08:14:25,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:14:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 370 [2020-10-13 08:14:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-13 08:14:25,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:25,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:14:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:25,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:25,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:25,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:14:25,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:25,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:14:25,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:25,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:25,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:25,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:25,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:25,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:14:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:25,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:25,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:25,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:14:25,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:25,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 08:14:25,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:25,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:25,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 08:14:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:25,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:25,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:25,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-13 08:14:25,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:25,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 08:14:25,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:25,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:14:25,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:25,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:14:25,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:25,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 08:14:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:25,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:25,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:25,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 08:14:25,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:25,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 08:14:25,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:14:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:14:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-13 08:14:25,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:25,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2020-10-13 08:14:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:14:25,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:14:25,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:14:25,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:14:25,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:14:25,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 08:14:25,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:14:25,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:14:25,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:14:25,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 08:14:25,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:14:26,020 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 459 proven. 2 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2020-10-13 08:14:26,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [84464513] [2020-10-13 08:14:26,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:14:26,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 08:14:26,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779610926] [2020-10-13 08:14:26,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 08:14:26,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:14:26,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 08:14:26,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:14:26,022 INFO L87 Difference]: Start difference. First operand 12074 states and 14725 transitions. Second operand 7 states. [2020-10-13 08:14:29,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:14:29,385 INFO L93 Difference]: Finished difference Result 24353 states and 29966 transitions. [2020-10-13 08:14:29,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 08:14:29,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 501 [2020-10-13 08:14:29,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:14:29,387 INFO L225 Difference]: With dead ends: 24353 [2020-10-13 08:14:29,387 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:14:29,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:14:29,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:14:29,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:14:29,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:14:29,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:14:29,411 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 501 [2020-10-13 08:14:29,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:14:29,411 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:14:29,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 08:14:29,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:14:29,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:14:29,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 08:14:29,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:14:31,051 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 381 [2020-10-13 08:14:31,625 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 381 [2020-10-13 08:14:33,610 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 401 DAG size of output: 96 [2020-10-13 08:14:35,263 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 359 DAG size of output: 71 [2020-10-13 08:14:36,960 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 359 DAG size of output: 71 [2020-10-13 08:14:36,965 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:14:36,965 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-13 08:14:36,965 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:14:36,966 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-13 08:14:36,966 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-13 08:14:36,966 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-13 08:14:36,966 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,966 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,967 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,967 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,967 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,967 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,967 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,967 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-13 08:14:36,967 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-13 08:14:36,968 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-13 08:14:36,968 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,968 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,968 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,968 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,968 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,968 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,968 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,968 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,969 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,969 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-13 08:14:36,969 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-13 08:14:36,969 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-13 08:14:36,969 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,969 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,969 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,969 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,969 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,970 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,970 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,970 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,970 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,970 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-13 08:14:36,970 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-13 08:14:36,970 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-13 08:14:36,970 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:14:36,970 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:14:36,971 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:14:36,971 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:14:36,971 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,971 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,971 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,971 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,971 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,971 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,972 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,972 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,972 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,972 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,972 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-13 08:14:36,972 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-13 08:14:36,972 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-13 08:14:36,972 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,972 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,973 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,973 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,973 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,973 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-13 08:14:36,973 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-13 08:14:36,973 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-13 08:14:36,973 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,973 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,973 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,974 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,974 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,974 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:14:36,974 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:14:36,974 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,974 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,974 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,974 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,975 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,975 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,975 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:14:36,975 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:14:36,975 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,975 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,975 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-13 08:14:36,975 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:14:36,976 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,977 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,977 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:14:36,977 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:14:36,977 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,977 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,977 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,977 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,977 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse2 (= ~a23~0 |old(~a23~0)|)) (.cse3 (= ~a29~0 |old(~a29~0)|)) (.cse4 (= ~a4~0 |old(~a4~0)|)) (.cse7 (= |old(~a4~0)| 1))) (let ((.cse0 (not .cse7)) (.cse6 (not (<= 307 |old(~a23~0)|))) (.cse5 (not (<= |old(~a29~0)| 277))) (.cse1 (and (= ~a25~0 |old(~a25~0)|) .cse2 .cse3 .cse4))) (and (or .cse0 (not (<= |old(~a25~0)| 9)) .cse1) (or (not (<= |old(~a25~0)| 11)) (and .cse2 (<= ~a25~0 11) (<= 11 ~a25~0) .cse3 .cse4) (not (<= 11 |old(~a25~0)|))) (or (not (<= |old(~a29~0)| 140)) .cse1) (or (not (= 13 |old(~a25~0)|)) (not (<= |old(~a23~0)| 136)) .cse1) (or .cse5 .cse6 .cse1) (or (and .cse2 .cse3 (= ~a25~0 12) .cse4) .cse7 (not (= 12 |old(~a25~0)|))) (or .cse5 .cse0 .cse1) (or (not (<= 13 |old(~a25~0)|)) (not (<= |old(~a29~0)| 206678)) .cse1) (or (not (<= 12 |old(~a25~0)|)) (and (<= ~a25~0 12) .cse2 .cse3 .cse4 (<= 12 ~a25~0)) (not (= ~a8~0 15)) (not (<= |old(~a25~0)| 12)) (not (<= |old(~a23~0)| 243)) (not (= ~a3~0 1)) (not (<= 160 |old(~a23~0)|))) (or .cse1 (not (<= (+ |old(~a23~0)| 43) 0))) (or .cse0 (not (<= |old(~a25~0)| 10)) .cse6 .cse1) (or .cse5 (= 10 |old(~a25~0)|) .cse1)))) [2020-10-13 08:14:36,977 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,977 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-13 08:14:36,977 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-13 08:14:36,978 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-13 08:14:36,978 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,978 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,978 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,978 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,978 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,978 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,978 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-13 08:14:36,978 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-13 08:14:36,978 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-13 08:14:36,979 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,979 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,979 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,979 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,979 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,979 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,979 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,979 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,979 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-13 08:14:36,980 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-13 08:14:36,980 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-13 08:14:36,980 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,980 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,980 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,980 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,980 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,980 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,980 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,980 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,981 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,981 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,981 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,981 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:14:36,981 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:14:36,981 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-13 08:14:36,981 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-13 08:14:36,981 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-13 08:14:36,981 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,981 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,981 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,982 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,982 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,982 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,982 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,982 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-13 08:14:36,982 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-13 08:14:36,982 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-13 08:14:36,982 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,982 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,982 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,983 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:14:36,983 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:14:36,983 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,983 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,983 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,983 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,983 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,983 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 141) no Hoare annotation was computed. [2020-10-13 08:14:36,983 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-13 08:14:36,983 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-13 08:14:36,984 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,984 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,984 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:14:36,984 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:14:36,984 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,984 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,984 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,984 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,984 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,985 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,985 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-13 08:14:36,985 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-13 08:14:36,985 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:14:36,985 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:14:36,985 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,985 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,985 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,985 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,986 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,986 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,986 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,986 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,986 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-13 08:14:36,986 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-13 08:14:36,986 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:14:36,986 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:14:36,986 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:14:36,986 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:14:36,987 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,987 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,987 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,987 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,987 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,987 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,987 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,987 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,988 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,989 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,990 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,990 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,990 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-13 08:14:36,990 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-13 08:14:36,990 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-13 08:14:36,990 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,990 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,990 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,990 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,990 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,990 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,991 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,991 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,991 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,991 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,991 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-13 08:14:36,991 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-13 08:14:36,991 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-13 08:14:36,991 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,991 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:14:36,992 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:14:36,992 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,992 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,992 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,992 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,992 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,992 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,992 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-13 08:14:36,993 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-13 08:14:36,993 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-13 08:14:36,993 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,993 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,993 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,993 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,993 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:14:36,993 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:14:36,993 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,994 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,994 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-13 08:14:36,994 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,994 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,994 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:14:36,994 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:14:36,994 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (= ~a29~0 130) (= ~a4~0 1) (= ~a23~0 312)) [2020-10-13 08:14:36,994 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:14:36,994 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:14:36,995 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (not (= 312 |old(~a23~0)|)) (not (= 130 |old(~a29~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a29~0 130) (= ~a23~0 312))) [2020-10-13 08:14:36,995 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:14:36,995 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse2 (<= 307 ~a23~0)) (.cse0 (<= ~a29~0 277)) (.cse1 (= ~a4~0 1))) (or (and (<= ~a25~0 11) (<= 11 ~a25~0)) (and .cse0 .cse1) (<= ~a29~0 140) (and (<= ~a25~0 12) (= ~a8~0 15) (<= ~a23~0 243) (<= 160 ~a23~0) (<= 12 ~a25~0) (= ~a3~0 1)) (and .cse0 .cse2) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (<= ~a25~0 10) .cse2 .cse1) (and .cse0 (not (= ~a25~0 10))) (not (= 312 |old(~a23~0)|)) (and (<= ~a23~0 136) (= ~a25~0 13)) (not (= 130 |old(~a29~0)|)) (and (<= ~a25~0 9) .cse1) (<= (+ ~a23~0 43) 0) (and (<= ~a29~0 206678) (<= 13 ~a25~0)) (and (not .cse1) (= ~a25~0 12)))) [2020-10-13 08:14:36,995 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-13 08:14:36,995 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-13 08:14:36,996 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse2 (<= 307 ~a23~0)) (.cse0 (<= ~a29~0 277)) (.cse1 (= ~a4~0 1))) (or (and (<= ~a25~0 11) (<= 11 ~a25~0)) (and .cse0 .cse1) (<= ~a29~0 140) (and (<= ~a25~0 12) (= ~a8~0 15) (<= ~a23~0 243) (<= 160 ~a23~0) (<= 12 ~a25~0) (= ~a3~0 1)) (and .cse0 .cse2) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (<= ~a25~0 10) .cse2 .cse1) (and .cse0 (not (= ~a25~0 10))) (not (= 312 |old(~a23~0)|)) (and (<= ~a23~0 136) (= ~a25~0 13)) (not (= 130 |old(~a29~0)|)) (and (<= ~a25~0 9) .cse1) (<= (+ ~a23~0 43) 0) (and (<= ~a29~0 206678) (<= 13 ~a25~0)) (and (not .cse1) (= ~a25~0 12)))) [2020-10-13 08:14:36,996 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:14:37,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:14:37 BoogieIcfgContainer [2020-10-13 08:14:37,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:14:37,021 INFO L168 Benchmark]: Toolchain (without parser) took 128468.76 ms. Allocated memory was 146.8 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 99.3 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-10-13 08:14:37,022 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 08:14:37,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1033.87 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 98.9 MB in the beginning and 146.6 MB in the end (delta: -47.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:14:37,023 INFO L168 Benchmark]: Boogie Preprocessor took 150.71 ms. Allocated memory is still 203.9 MB. Free memory was 146.6 MB in the beginning and 139.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2020-10-13 08:14:37,024 INFO L168 Benchmark]: RCFGBuilder took 2117.41 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 139.2 MB in the beginning and 80.6 MB in the end (delta: 58.6 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. [2020-10-13 08:14:37,024 INFO L168 Benchmark]: TraceAbstraction took 125157.95 ms. Allocated memory was 237.5 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 80.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-10-13 08:14:37,027 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1033.87 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 98.9 MB in the beginning and 146.6 MB in the end (delta: -47.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.71 ms. Allocated memory is still 203.9 MB. Free memory was 146.6 MB in the beginning and 139.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2117.41 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 139.2 MB in the beginning and 80.6 MB in the end (delta: 58.6 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 125157.95 ms. Allocated memory was 237.5 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 80.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 141]: 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: 1034]: Loop Invariant Derived loop invariant: (((((((((((((((a25 <= 11 && 11 <= a25) || (a29 <= 277 && a4 == 1)) || a29 <= 140) || (((((a25 <= 12 && a8 == 15) && a23 <= 243) && 160 <= a23) && 12 <= a25) && a3 == 1)) || (a29 <= 277 && 307 <= a23)) || !(\old(a4) == 1)) || !(\old(a25) <= 10)) || ((a25 <= 10 && 307 <= a23) && a4 == 1)) || (a29 <= 277 && !(a25 == 10))) || !(312 == \old(a23))) || (a23 <= 136 && a25 == 13)) || !(130 == \old(a29))) || (a25 <= 9 && a4 == 1)) || a23 + 43 <= 0) || (a29 <= 206678 && 13 <= a25)) || (!(a4 == 1) && a25 == 12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 117.4s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 57.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 891 SDtfs, 10614 SDslu, 1563 SDs, 0 SdLazy, 28383 SolverSat, 3186 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 332 GetRequests, 176 SyntacticMatches, 3 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12074occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 3534 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 592 PreInvPairs, 742 NumberOfFragments, 588 HoareAnnotationTreeSize, 592 FomulaSimplifications, 373723 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 25276 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 53.3s InterpolantComputationTime, 5488 NumberOfCodeBlocks, 5488 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 5470 ConstructedInterpolants, 0 QuantifiedInterpolants, 7311550 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 5086/5160 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...