/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/Problem16_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 09:20:25,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 09:20:25,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 09:20:25,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 09:20:25,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 09:20:25,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 09:20:25,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 09:20:25,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 09:20:25,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 09:20:25,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 09:20:25,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 09:20:25,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 09:20:25,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 09:20:25,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 09:20:25,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 09:20:25,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 09:20:25,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 09:20:25,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 09:20:25,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 09:20:25,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 09:20:25,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 09:20:25,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 09:20:25,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 09:20:25,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 09:20:25,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 09:20:25,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 09:20:25,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 09:20:25,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 09:20:25,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 09:20:25,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 09:20:25,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 09:20:25,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 09:20:25,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 09:20:25,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 09:20:25,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 09:20:25,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 09:20:25,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 09:20:25,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 09:20:25,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 09:20:25,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 09:20:25,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 09:20:25,745 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 09:20:25,784 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 09:20:25,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 09:20:25,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 09:20:25,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 09:20:25,787 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 09:20:25,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 09:20:25,788 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 09:20:25,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 09:20:25,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 09:20:25,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 09:20:25,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 09:20:25,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 09:20:25,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 09:20:25,790 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 09:20:25,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 09:20:25,790 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 09:20:25,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 09:20:25,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 09:20:25,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 09:20:25,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 09:20:25,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 09:20:25,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 09:20:25,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 09:20:25,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 09:20:25,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 09:20:25,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 09:20:25,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 09:20:25,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 09:20:25,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 09:20:25,793 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 09:20:26,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 09:20:26,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 09:20:26,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 09:20:26,126 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 09:20:26,127 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 09:20:26,127 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label34.c [2020-10-13 09:20:26,202 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a639a02c0/84cc38199b1c482f8ab35e2aa11df0a3/FLAGfc363c9f4 [2020-10-13 09:20:26,870 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 09:20:26,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem16_label34.c [2020-10-13 09:20:26,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a639a02c0/84cc38199b1c482f8ab35e2aa11df0a3/FLAGfc363c9f4 [2020-10-13 09:20:27,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a639a02c0/84cc38199b1c482f8ab35e2aa11df0a3 [2020-10-13 09:20:27,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 09:20:27,053 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 09:20:27,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 09:20:27,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 09:20:27,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 09:20:27,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:27" (1/1) ... [2020-10-13 09:20:27,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d4521a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:27, skipping insertion in model container [2020-10-13 09:20:27,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:27" (1/1) ... [2020-10-13 09:20:27,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 09:20:27,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 09:20:28,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 09:20:28,072 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 09:20:28,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 09:20:28,440 INFO L208 MainTranslator]: Completed translation [2020-10-13 09:20:28,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:28 WrapperNode [2020-10-13 09:20:28,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 09:20:28,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 09:20:28,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 09:20:28,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 09:20:28,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:28" (1/1) ... [2020-10-13 09:20:28,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:28" (1/1) ... [2020-10-13 09:20:28,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:28" (1/1) ... [2020-10-13 09:20:28,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:28" (1/1) ... [2020-10-13 09:20:28,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:28" (1/1) ... [2020-10-13 09:20:28,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:28" (1/1) ... [2020-10-13 09:20:28,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:28" (1/1) ... [2020-10-13 09:20:28,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 09:20:28,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 09:20:28,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 09:20:28,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 09:20:28,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:28" (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 09:20:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 09:20:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 09:20:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 09:20:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-13 09:20:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 09:20:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 09:20:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-13 09:20:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 09:20:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 09:20:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 09:20:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 09:20:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 09:20:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 09:20:30,859 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 09:20:30,860 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 09:20:30,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:30 BoogieIcfgContainer [2020-10-13 09:20:30,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 09:20:30,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 09:20:30,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 09:20:30,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 09:20:30,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:27" (1/3) ... [2020-10-13 09:20:30,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594ba7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:30, skipping insertion in model container [2020-10-13 09:20:30,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:28" (2/3) ... [2020-10-13 09:20:30,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594ba7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:30, skipping insertion in model container [2020-10-13 09:20:30,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:30" (3/3) ... [2020-10-13 09:20:30,877 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem16_label34.c [2020-10-13 09:20:30,888 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 09:20:30,896 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 09:20:30,912 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 09:20:30,940 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 09:20:30,940 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 09:20:30,940 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 09:20:30,941 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 09:20:30,941 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 09:20:30,941 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 09:20:30,941 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 09:20:30,941 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 09:20:30,968 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2020-10-13 09:20:30,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-13 09:20:30,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:20:30,978 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] [2020-10-13 09:20:30,978 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:20:30,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:20:30,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1472830021, now seen corresponding path program 1 times [2020-10-13 09:20:30,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:20:30,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714766840] [2020-10-13 09:20:30,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:20:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:31,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:31,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:20:31,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-13 09:20:31,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:20:31,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-10-13 09:20:31,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:20:31,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 09:20:31,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 09:20:31,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 09:20:31,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 09:20:31,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:20:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:31,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:31,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:20:31,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:20:31,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:20:31,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 09:20:31,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:20:31,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:20:31,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:20:31,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 09:20:31,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:20:31,761 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 09:20:31,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714766840] [2020-10-13 09:20:31,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 09:20:31,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 09:20:31,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065793194] [2020-10-13 09:20:31,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 09:20:31,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:20:31,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 09:20:31,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 09:20:31,795 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 4 states. [2020-10-13 09:20:35,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:20:35,402 INFO L93 Difference]: Finished difference Result 1169 states and 2165 transitions. [2020-10-13 09:20:35,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:20:35,405 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-10-13 09:20:35,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:20:35,427 INFO L225 Difference]: With dead ends: 1169 [2020-10-13 09:20:35,427 INFO L226 Difference]: Without dead ends: 696 [2020-10-13 09:20:35,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:20:35,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-10-13 09:20:35,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 689. [2020-10-13 09:20:35,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-10-13 09:20:35,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1077 transitions. [2020-10-13 09:20:35,556 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1077 transitions. Word has length 40 [2020-10-13 09:20:35,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:20:35,558 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 1077 transitions. [2020-10-13 09:20:35,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 09:20:35,558 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1077 transitions. [2020-10-13 09:20:35,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-13 09:20:35,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:20:35,570 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:20:35,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 09:20:35,571 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:20:35,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:20:35,572 INFO L82 PathProgramCache]: Analyzing trace with hash 2017280877, now seen corresponding path program 1 times [2020-10-13 09:20:35,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:20:35,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129818106] [2020-10-13 09:20:35,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:20:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:35,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:35,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:36,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:20:36,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 09:20:36,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 09:20:36,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1011 [2020-10-13 09:20:36,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:20:36,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:20:36,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-13 09:20:36,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 09:20:36,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 09:20:36,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:20:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:36,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:36,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:20:36,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:20:36,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:20:36,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 09:20:36,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:20:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:20:36,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:20:36,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:20:36,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-13 09:20:36,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:20:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:36,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:36,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:20:36,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 09:20:36,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:20:36,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-13 09:20:36,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:20:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:20:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:20:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 09:20:36,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:20:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 09:20:36,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129818106] [2020-10-13 09:20:36,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:20:36,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:20:36,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616278995] [2020-10-13 09:20:36,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:20:36,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:20:36,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:20:36,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:20:36,948 INFO L87 Difference]: Start difference. First operand 689 states and 1077 transitions. Second operand 5 states. [2020-10-13 09:20:40,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:20:40,550 INFO L93 Difference]: Finished difference Result 1721 states and 2777 transitions. [2020-10-13 09:20:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:20:40,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-10-13 09:20:40,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:20:40,558 INFO L225 Difference]: With dead ends: 1721 [2020-10-13 09:20:40,558 INFO L226 Difference]: Without dead ends: 1038 [2020-10-13 09:20:40,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 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 09:20:40,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2020-10-13 09:20:40,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1034. [2020-10-13 09:20:40,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2020-10-13 09:20:40,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1496 transitions. [2020-10-13 09:20:40,604 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1496 transitions. Word has length 115 [2020-10-13 09:20:40,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:20:40,605 INFO L479 AbstractCegarLoop]: Abstraction has 1034 states and 1496 transitions. [2020-10-13 09:20:40,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:20:40,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1496 transitions. [2020-10-13 09:20:40,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-13 09:20:40,612 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:20:40,612 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 09:20:40,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 09:20:40,612 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:20:40,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:20:40,613 INFO L82 PathProgramCache]: Analyzing trace with hash 276801404, now seen corresponding path program 1 times [2020-10-13 09:20:40,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:20:40,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2125425562] [2020-10-13 09:20:40,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:20:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:40,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:40,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:40,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:41,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:42,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:45,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:20:45,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-13 09:20:45,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:20:45,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 09:20:45,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:20:45,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:20:45,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-10-13 09:20:45,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 09:20:45,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:20:45,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:20:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:45,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:45,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:20:45,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:20:45,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:20:45,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 09:20:45,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:20:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:20:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:20:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:20:45,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:20:45,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:20:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:45,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:45,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:20:45,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 09:20:45,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:20:45,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 09:20:45,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:20:45,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:20:45,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:20:45,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:20:45,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:20:45,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 09:20:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:45,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:45,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:20:45,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:20:45,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:20:45,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-13 09:20:45,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:20:45,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:20:45,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:20:45,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-13 09:20:45,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:20:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-13 09:20:46,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2125425562] [2020-10-13 09:20:46,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:20:46,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 09:20:46,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098330274] [2020-10-13 09:20:46,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 09:20:46,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:20:46,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 09:20:46,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 09:20:46,055 INFO L87 Difference]: Start difference. First operand 1034 states and 1496 transitions. Second operand 6 states. [2020-10-13 09:20:49,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:20:49,839 INFO L93 Difference]: Finished difference Result 2750 states and 4037 transitions. [2020-10-13 09:20:49,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:20:49,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 225 [2020-10-13 09:20:49,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:20:49,854 INFO L225 Difference]: With dead ends: 2750 [2020-10-13 09:20:49,854 INFO L226 Difference]: Without dead ends: 1722 [2020-10-13 09:20:49,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:20:49,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2020-10-13 09:20:50,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1718. [2020-10-13 09:20:50,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1718 states. [2020-10-13 09:20:50,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2413 transitions. [2020-10-13 09:20:50,011 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2413 transitions. Word has length 225 [2020-10-13 09:20:50,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:20:50,017 INFO L479 AbstractCegarLoop]: Abstraction has 1718 states and 2413 transitions. [2020-10-13 09:20:50,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 09:20:50,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2413 transitions. [2020-10-13 09:20:50,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-10-13 09:20:50,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:20:50,028 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:20:50,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 09:20:50,028 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:20:50,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:20:50,029 INFO L82 PathProgramCache]: Analyzing trace with hash -800683273, now seen corresponding path program 1 times [2020-10-13 09:20:50,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:20:50,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [660987217] [2020-10-13 09:20:50,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:20:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:50,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:50,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:50,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:50,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:51,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:54,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:55,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:20:55,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-13 09:20:55,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 09:20:55,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-13 09:20:55,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:20:55,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:20:55,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-13 09:20:55,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 09:20:55,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:20:55,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:20:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:55,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:55,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:20:55,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:20:55,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:20:55,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:20:55,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:20:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:20:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:20:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:20:55,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:20:55,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:20:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:55,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:55,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:20:55,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 09:20:55,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:20:55,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 09:20:55,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:20:55,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:20:55,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:20:55,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 09:20:55,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:20:55,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 09:20:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:55,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:55,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:55,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:20:55,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:20:55,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 09:20:55,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-13 09:20:55,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:20:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:20:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:20:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 09:20:55,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:20:55,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-13 09:20:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:55,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:20:55,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:20:55,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 09:20:55,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:20:55,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 09:20:55,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:20:55,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:20:55,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-13 09:20:55,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:20:55,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:20:56,265 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 175 proven. 71 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-13 09:20:56,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [660987217] [2020-10-13 09:20:56,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:20:56,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:20:56,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675119095] [2020-10-13 09:20:56,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:20:56,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:20:56,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:20:56,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:20:56,269 INFO L87 Difference]: Start difference. First operand 1718 states and 2413 transitions. Second operand 7 states. [2020-10-13 09:20:59,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:20:59,804 INFO L93 Difference]: Finished difference Result 3569 states and 5005 transitions. [2020-10-13 09:20:59,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 09:20:59,805 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 297 [2020-10-13 09:20:59,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:20:59,815 INFO L225 Difference]: With dead ends: 3569 [2020-10-13 09:20:59,816 INFO L226 Difference]: Without dead ends: 1793 [2020-10-13 09:20:59,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-13 09:20:59,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2020-10-13 09:20:59,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1720. [2020-10-13 09:20:59,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1720 states. [2020-10-13 09:20:59,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2228 transitions. [2020-10-13 09:20:59,886 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2228 transitions. Word has length 297 [2020-10-13 09:20:59,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:20:59,886 INFO L479 AbstractCegarLoop]: Abstraction has 1720 states and 2228 transitions. [2020-10-13 09:20:59,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:20:59,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2228 transitions. [2020-10-13 09:20:59,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-10-13 09:20:59,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:20:59,892 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:20:59,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 09:20:59,893 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:20:59,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:20:59,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1434018493, now seen corresponding path program 1 times [2020-10-13 09:20:59,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:20:59,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958151368] [2020-10-13 09:20:59,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:20:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:20:59,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:00,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:00,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:00,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:02,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:04,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:04,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:04,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 321 [2020-10-13 09:21:04,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 09:21:04,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 09:21:04,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:04,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:21:04,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-13 09:21:04,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 09:21:04,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:05,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:21:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:05,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:05,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:05,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:21:05,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:05,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 09:21:05,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:05,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:05,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:05,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:05,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:05,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:21:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:05,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:05,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:05,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 09:21:05,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:05,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 09:21:05,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:05,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:21:05,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:05,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-13 09:21:05,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:05,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 09:21:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:05,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:05,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:05,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:05,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:21:05,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 09:21:05,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-10-13 09:21:05,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:21:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:21:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 09:21:05,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:21:05,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-13 09:21:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:05,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:05,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:05,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 09:21:05,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:05,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 09:21:05,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:05,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:05,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-13 09:21:05,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:05,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:21:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 185 proven. 71 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-13 09:21:06,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958151368] [2020-10-13 09:21:06,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:21:06,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:21:06,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762721755] [2020-10-13 09:21:06,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:21:06,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:21:06,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:21:06,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:21:06,075 INFO L87 Difference]: Start difference. First operand 1720 states and 2228 transitions. Second operand 7 states. [2020-10-13 09:21:08,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:21:08,936 INFO L93 Difference]: Finished difference Result 3573 states and 4706 transitions. [2020-10-13 09:21:08,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 09:21:08,938 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 307 [2020-10-13 09:21:08,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:21:08,951 INFO L225 Difference]: With dead ends: 3573 [2020-10-13 09:21:08,952 INFO L226 Difference]: Without dead ends: 1786 [2020-10-13 09:21:08,958 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 09:21:08,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2020-10-13 09:21:09,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1385. [2020-10-13 09:21:09,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1385 states. [2020-10-13 09:21:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1781 transitions. [2020-10-13 09:21:09,017 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1781 transitions. Word has length 307 [2020-10-13 09:21:09,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:21:09,017 INFO L479 AbstractCegarLoop]: Abstraction has 1385 states and 1781 transitions. [2020-10-13 09:21:09,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:21:09,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1781 transitions. [2020-10-13 09:21:09,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-10-13 09:21:09,022 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:21:09,023 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:21:09,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 09:21:09,023 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:21:09,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:21:09,024 INFO L82 PathProgramCache]: Analyzing trace with hash 115258107, now seen corresponding path program 1 times [2020-10-13 09:21:09,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:21:09,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1471510660] [2020-10-13 09:21:09,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:21:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:09,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:09,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:09,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:09,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:11,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:12,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:13,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:13,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:14,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:14,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-13 09:21:14,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 09:21:14,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-13 09:21:14,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:14,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:21:14,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 285 [2020-10-13 09:21:14,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 09:21:14,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:14,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:21:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:14,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:14,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:14,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:21:14,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:14,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:21:14,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:14,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:14,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:14,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:14,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:14,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:21:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:14,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:14,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:14,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 09:21:14,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:14,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 09:21:14,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:14,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:14,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:14,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:21:14,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 09:21:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:14,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:14,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:14,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:21:14,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:14,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 09:21:14,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:14,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:14,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:14,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:14,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:21:14,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-13 09:21:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:14,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:14,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:14,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 09:21:14,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:14,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 09:21:14,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:14,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:21:14,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:14,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 09:21:14,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:21:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2020-10-13 09:21:14,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1471510660] [2020-10-13 09:21:14,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:21:14,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:21:14,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417208412] [2020-10-13 09:21:14,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:21:14,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:21:14,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:21:14,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:21:14,523 INFO L87 Difference]: Start difference. First operand 1385 states and 1781 transitions. Second operand 5 states. [2020-10-13 09:21:17,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:21:17,269 INFO L93 Difference]: Finished difference Result 3457 states and 4580 transitions. [2020-10-13 09:21:17,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:21:17,270 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 311 [2020-10-13 09:21:17,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:21:17,278 INFO L225 Difference]: With dead ends: 3457 [2020-10-13 09:21:17,279 INFO L226 Difference]: Without dead ends: 2078 [2020-10-13 09:21:17,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 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 09:21:17,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2020-10-13 09:21:17,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 2071. [2020-10-13 09:21:17,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2071 states. [2020-10-13 09:21:17,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2618 transitions. [2020-10-13 09:21:17,337 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2618 transitions. Word has length 311 [2020-10-13 09:21:17,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:21:17,337 INFO L479 AbstractCegarLoop]: Abstraction has 2071 states and 2618 transitions. [2020-10-13 09:21:17,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:21:17,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2618 transitions. [2020-10-13 09:21:17,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2020-10-13 09:21:17,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:21:17,344 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:21:17,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 09:21:17,345 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:21:17,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:21:17,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1301862126, now seen corresponding path program 1 times [2020-10-13 09:21:17,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:21:17,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889108045] [2020-10-13 09:21:17,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:21:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:17,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:17,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:17,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:17,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:18,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:20,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:20,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:20,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:21,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:22,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:22,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 360 [2020-10-13 09:21:22,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 09:21:22,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 09:21:22,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:22,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:21:22,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 320 [2020-10-13 09:21:22,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 09:21:22,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:22,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:21:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:22,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:22,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:22,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:21:22,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:22,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:21:22,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:22,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:22,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:21:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:22,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:22,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:22,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 09:21:22,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:22,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 09:21:22,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:22,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:22,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:22,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 09:21:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:22,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:22,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:22,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:21:22,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:22,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 09:21:22,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:22,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:22,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:22,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:22,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:21:22,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-13 09:21:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:22,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:22,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:22,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 09:21:22,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:22,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 09:21:22,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:22,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:21:22,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:22,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-13 09:21:22,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:21:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-13 09:21:22,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889108045] [2020-10-13 09:21:22,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:21:22,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:21:22,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244666918] [2020-10-13 09:21:22,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:21:22,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:21:22,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:21:22,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:21:22,887 INFO L87 Difference]: Start difference. First operand 2071 states and 2618 transitions. Second operand 5 states. [2020-10-13 09:21:24,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:21:24,887 INFO L93 Difference]: Finished difference Result 4157 states and 5269 transitions. [2020-10-13 09:21:24,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:21:24,889 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 346 [2020-10-13 09:21:24,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:21:24,900 INFO L225 Difference]: With dead ends: 4157 [2020-10-13 09:21:24,900 INFO L226 Difference]: Without dead ends: 2078 [2020-10-13 09:21:24,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 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 09:21:24,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2020-10-13 09:21:24,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 2071. [2020-10-13 09:21:24,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2071 states. [2020-10-13 09:21:24,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2614 transitions. [2020-10-13 09:21:24,961 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2614 transitions. Word has length 346 [2020-10-13 09:21:24,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:21:24,962 INFO L479 AbstractCegarLoop]: Abstraction has 2071 states and 2614 transitions. [2020-10-13 09:21:24,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:21:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2614 transitions. [2020-10-13 09:21:24,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-10-13 09:21:24,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:21:24,970 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 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 09:21:24,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 09:21:24,970 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:21:24,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:21:24,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1240274093, now seen corresponding path program 1 times [2020-10-13 09:21:24,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:21:24,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1283017391] [2020-10-13 09:21:24,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:21:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:25,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:25,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:25,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:25,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:25,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:25,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:28,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:29,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:29,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:30,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:30,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 377 [2020-10-13 09:21:30,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 09:21:30,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 09:21:30,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:21:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 337 [2020-10-13 09:21:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 09:21:30,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:30,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:21:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:30,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:30,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:30,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:21:30,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:21:30,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:30,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:30,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:21:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:30,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:30,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:30,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 09:21:30,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:30,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 09:21:30,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:30,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:30,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:30,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:30,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:30,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 09:21:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:30,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:30,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:30,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:21:30,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:30,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 09:21:30,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:30,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:21:30,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-13 09:21:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:30,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:30,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:30,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 09:21:30,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:30,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-13 09:21:30,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:21:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:30,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-13 09:21:30,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:30,374 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2020-10-13 09:21:30,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1283017391] [2020-10-13 09:21:30,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:21:30,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:21:30,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105015147] [2020-10-13 09:21:30,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:21:30,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:21:30,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:21:30,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:21:30,377 INFO L87 Difference]: Start difference. First operand 2071 states and 2614 transitions. Second operand 5 states. [2020-10-13 09:21:32,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:21:32,403 INFO L93 Difference]: Finished difference Result 4169 states and 5271 transitions. [2020-10-13 09:21:32,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:21:32,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 363 [2020-10-13 09:21:32,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:21:32,412 INFO L225 Difference]: With dead ends: 4169 [2020-10-13 09:21:32,413 INFO L226 Difference]: Without dead ends: 2078 [2020-10-13 09:21:32,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 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 09:21:32,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2020-10-13 09:21:32,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 2071. [2020-10-13 09:21:32,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2071 states. [2020-10-13 09:21:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2612 transitions. [2020-10-13 09:21:32,468 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2612 transitions. Word has length 363 [2020-10-13 09:21:32,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:21:32,469 INFO L479 AbstractCegarLoop]: Abstraction has 2071 states and 2612 transitions. [2020-10-13 09:21:32,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:21:32,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2612 transitions. [2020-10-13 09:21:32,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2020-10-13 09:21:32,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:21:32,479 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:21:32,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 09:21:32,479 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:21:32,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:21:32,480 INFO L82 PathProgramCache]: Analyzing trace with hash 721312558, now seen corresponding path program 1 times [2020-10-13 09:21:32,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:21:32,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182844462] [2020-10-13 09:21:32,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:21:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:32,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:32,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:32,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:33,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:34,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:34,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:35,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:35,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:37,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:37,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 426 [2020-10-13 09:21:37,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 09:21:37,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 09:21:37,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:37,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:21:37,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 386 [2020-10-13 09:21:37,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 09:21:37,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:37,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:21:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:37,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:37,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:37,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:21:37,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:37,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:21:37,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:37,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:37,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:37,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:37,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:37,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:21:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:37,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:37,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:37,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 09:21:37,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:37,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 09:21:37,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:37,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:37,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:37,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:37,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:37,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 09:21:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:37,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:37,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:37,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:21:37,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:37,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 09:21:37,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:37,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:37,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:37,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:37,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:37,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-13 09:21:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:37,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:37,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:37,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 09:21:37,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:37,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 09:21:37,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:37,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:21:37,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:37,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-13 09:21:37,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2020-10-13 09:21:37,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182844462] [2020-10-13 09:21:37,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:21:37,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:21:37,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300794084] [2020-10-13 09:21:37,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:21:37,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:21:37,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:21:37,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:21:37,995 INFO L87 Difference]: Start difference. First operand 2071 states and 2612 transitions. Second operand 5 states. [2020-10-13 09:21:40,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:21:40,014 INFO L93 Difference]: Finished difference Result 4172 states and 5270 transitions. [2020-10-13 09:21:40,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:21:40,015 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 412 [2020-10-13 09:21:40,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:21:40,027 INFO L225 Difference]: With dead ends: 4172 [2020-10-13 09:21:40,027 INFO L226 Difference]: Without dead ends: 2078 [2020-10-13 09:21:40,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 09:21:40,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2020-10-13 09:21:40,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 2071. [2020-10-13 09:21:40,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2071 states. [2020-10-13 09:21:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2610 transitions. [2020-10-13 09:21:40,083 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2610 transitions. Word has length 412 [2020-10-13 09:21:40,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:21:40,084 INFO L479 AbstractCegarLoop]: Abstraction has 2071 states and 2610 transitions. [2020-10-13 09:21:40,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:21:40,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2610 transitions. [2020-10-13 09:21:40,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2020-10-13 09:21:40,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:21:40,092 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:21:40,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 09:21:40,092 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:21:40,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:21:40,093 INFO L82 PathProgramCache]: Analyzing trace with hash -2122341942, now seen corresponding path program 1 times [2020-10-13 09:21:40,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:21:40,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55488652] [2020-10-13 09:21:40,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:21:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:40,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:40,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:40,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:41,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:41,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:41,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:42,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:43,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:45,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:45,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 428 [2020-10-13 09:21:45,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 09:21:45,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 09:21:45,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:45,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:21:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 388 [2020-10-13 09:21:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 09:21:45,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:21:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:45,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:45,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:45,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:21:45,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:45,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:21:45,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:45,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:45,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:45,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:21:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:45,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:45,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:45,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 09:21:45,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:45,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 09:21:45,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:45,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:45,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:45,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:45,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:45,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 09:21:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:45,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:45,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:45,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:21:45,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:45,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 09:21:45,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:45,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:45,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:45,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:45,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:45,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-13 09:21:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:45,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:45,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:45,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 09:21:45,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:45,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 09:21:45,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:45,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:21:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-13 09:21:45,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2020-10-13 09:21:45,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [55488652] [2020-10-13 09:21:45,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:21:45,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:21:45,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252968940] [2020-10-13 09:21:45,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:21:45,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:21:45,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:21:45,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:21:45,558 INFO L87 Difference]: Start difference. First operand 2071 states and 2610 transitions. Second operand 5 states. [2020-10-13 09:21:47,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:21:47,602 INFO L93 Difference]: Finished difference Result 4156 states and 5252 transitions. [2020-10-13 09:21:47,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:21:47,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 414 [2020-10-13 09:21:47,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:21:47,611 INFO L225 Difference]: With dead ends: 4156 [2020-10-13 09:21:47,611 INFO L226 Difference]: Without dead ends: 2078 [2020-10-13 09:21:47,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 09:21:47,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2020-10-13 09:21:47,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 2071. [2020-10-13 09:21:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2071 states. [2020-10-13 09:21:47,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2606 transitions. [2020-10-13 09:21:47,663 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2606 transitions. Word has length 414 [2020-10-13 09:21:47,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:21:47,664 INFO L479 AbstractCegarLoop]: Abstraction has 2071 states and 2606 transitions. [2020-10-13 09:21:47,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:21:47,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2606 transitions. [2020-10-13 09:21:47,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2020-10-13 09:21:47,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:21:47,670 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:21:47,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 09:21:47,670 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:21:47,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:21:47,671 INFO L82 PathProgramCache]: Analyzing trace with hash 213648055, now seen corresponding path program 1 times [2020-10-13 09:21:47,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:21:47,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38856117] [2020-10-13 09:21:47,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:21:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:47,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:47,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:47,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:48,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:49,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:49,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:50,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:51,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:52,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:52,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 471 [2020-10-13 09:21:52,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 09:21:52,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-13 09:21:52,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:52,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:21:52,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 431 [2020-10-13 09:21:52,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 09:21:52,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:52,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:21:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:52,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:52,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:52,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:21:52,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:52,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 09:21:52,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:52,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:52,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:52,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:52,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:52,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:21:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:52,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:52,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:52,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 09:21:52,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:52,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 09:21:52,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:52,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:52,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:52,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 09:21:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:52,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:52,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:52,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:21:52,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:52,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 09:21:52,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:52,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:21:52,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:52,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:21:52,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:52,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-13 09:21:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:52,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:53,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:21:53,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-13 09:21:53,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:21:53,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-13 09:21:53,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:21:53,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:21:53,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:21:53,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 213 [2020-10-13 09:21:53,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:21:53,152 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2020-10-13 09:21:53,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38856117] [2020-10-13 09:21:53,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:21:53,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:21:53,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263523543] [2020-10-13 09:21:53,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:21:53,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:21:53,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:21:53,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:21:53,155 INFO L87 Difference]: Start difference. First operand 2071 states and 2606 transitions. Second operand 5 states. [2020-10-13 09:21:55,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:21:55,156 INFO L93 Difference]: Finished difference Result 4160 states and 5248 transitions. [2020-10-13 09:21:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:21:55,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 457 [2020-10-13 09:21:55,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:21:55,167 INFO L225 Difference]: With dead ends: 4160 [2020-10-13 09:21:55,167 INFO L226 Difference]: Without dead ends: 2078 [2020-10-13 09:21:55,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 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 09:21:55,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2020-10-13 09:21:55,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 2071. [2020-10-13 09:21:55,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2071 states. [2020-10-13 09:21:55,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2602 transitions. [2020-10-13 09:21:55,217 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2602 transitions. Word has length 457 [2020-10-13 09:21:55,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:21:55,218 INFO L479 AbstractCegarLoop]: Abstraction has 2071 states and 2602 transitions. [2020-10-13 09:21:55,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:21:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2602 transitions. [2020-10-13 09:21:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2020-10-13 09:21:55,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:21:55,225 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:21:55,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 09:21:55,226 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:21:55,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:21:55,226 INFO L82 PathProgramCache]: Analyzing trace with hash -356558353, now seen corresponding path program 1 times [2020-10-13 09:21:55,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:21:55,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387829382] [2020-10-13 09:21:55,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:21:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:21:55,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:55,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:55,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:55,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:21:55,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:00,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:00,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 539 [2020-10-13 09:22:00,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:22:00,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-13 09:22:00,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:00,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:22:00,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-13 09:22:00,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 09:22:00,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:00,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:22:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:00,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:00,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:00,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:22:00,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:00,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:22:00,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:00,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:00,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:00,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:00,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:22:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:00,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:00,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:00,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 09:22:00,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:00,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 09:22:00,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:22:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 09:22:00,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:00,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 09:22:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:00,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:00,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:00,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:00,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:22:00,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 09:22:00,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-13 09:22:00,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:22:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:22:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 09:22:00,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:00,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-13 09:22:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:00,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:00,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:00,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-13 09:22:00,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:00,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 09:22:00,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:00,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:00,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 284 [2020-10-13 09:22:00,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:00,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 189 proven. 109 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-13 09:22:01,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387829382] [2020-10-13 09:22:01,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:22:01,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:22:01,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417063921] [2020-10-13 09:22:01,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:22:01,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:22:01,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:22:01,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:22:01,045 INFO L87 Difference]: Start difference. First operand 2071 states and 2602 transitions. Second operand 7 states. [2020-10-13 09:22:05,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:22:05,335 INFO L93 Difference]: Finished difference Result 5259 states and 6622 transitions. [2020-10-13 09:22:05,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 09:22:05,336 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 525 [2020-10-13 09:22:05,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:22:05,350 INFO L225 Difference]: With dead ends: 5259 [2020-10-13 09:22:05,350 INFO L226 Difference]: Without dead ends: 3117 [2020-10-13 09:22:05,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:22:05,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3117 states. [2020-10-13 09:22:05,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3117 to 2070. [2020-10-13 09:22:05,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2070 states. [2020-10-13 09:22:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2471 transitions. [2020-10-13 09:22:05,411 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2471 transitions. Word has length 525 [2020-10-13 09:22:05,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:22:05,412 INFO L479 AbstractCegarLoop]: Abstraction has 2070 states and 2471 transitions. [2020-10-13 09:22:05,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:22:05,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2471 transitions. [2020-10-13 09:22:05,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2020-10-13 09:22:05,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:22:05,419 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:05,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 09:22:05,419 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:22:05,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:22:05,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1032803939, now seen corresponding path program 1 times [2020-10-13 09:22:05,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:22:05,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659048506] [2020-10-13 09:22:05,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:22:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:05,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:05,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:05,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:08,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:08,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:10,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:10,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 561 [2020-10-13 09:22:10,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:22:10,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 09:22:10,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:10,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 09:22:10,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-13 09:22:10,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-13 09:22:10,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:10,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:22:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:10,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:10,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:10,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:22:10,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:10,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:22:10,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:10,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:10,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:10,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:10,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:10,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:22:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:10,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:10,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:10,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 09:22:10,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:10,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 09:22:10,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:10,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:22:10,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:10,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-13 09:22:10,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:10,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 09:22:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:10,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:10,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:10,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:10,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:22:10,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 09:22:10,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-13 09:22:10,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:10,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:22:10,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:22:10,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 09:22:10,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:10,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-13 09:22:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:11,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:11,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:11,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-13 09:22:11,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:11,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-13 09:22:11,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 284 [2020-10-13 09:22:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:11,355 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 210 proven. 109 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-10-13 09:22:11,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659048506] [2020-10-13 09:22:11,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:22:11,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:22:11,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485491521] [2020-10-13 09:22:11,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:22:11,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:22:11,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:22:11,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:22:11,357 INFO L87 Difference]: Start difference. First operand 2070 states and 2471 transitions. Second operand 7 states. [2020-10-13 09:22:14,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:22:14,726 INFO L93 Difference]: Finished difference Result 4496 states and 5353 transitions. [2020-10-13 09:22:14,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 09:22:14,727 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 547 [2020-10-13 09:22:14,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:22:14,734 INFO L225 Difference]: With dead ends: 4496 [2020-10-13 09:22:14,734 INFO L226 Difference]: Without dead ends: 2082 [2020-10-13 09:22:14,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:22:14,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2082 states. [2020-10-13 09:22:14,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2082 to 2071. [2020-10-13 09:22:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2071 states. [2020-10-13 09:22:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2426 transitions. [2020-10-13 09:22:14,788 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2426 transitions. Word has length 547 [2020-10-13 09:22:14,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:22:14,789 INFO L479 AbstractCegarLoop]: Abstraction has 2071 states and 2426 transitions. [2020-10-13 09:22:14,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:22:14,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2426 transitions. [2020-10-13 09:22:14,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2020-10-13 09:22:14,796 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:22:14,798 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:14,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 09:22:14,798 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:22:14,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:22:14,799 INFO L82 PathProgramCache]: Analyzing trace with hash -701955557, now seen corresponding path program 1 times [2020-10-13 09:22:14,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:22:14,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663473401] [2020-10-13 09:22:14,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:22:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:14,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:14,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:15,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:19,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:19,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 565 [2020-10-13 09:22:19,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 09:22:19,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 09:22:19,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:22:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-13 09:22:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-13 09:22:19,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:19,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:22:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:19,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:19,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:19,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:22:19,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:19,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:22:19,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:19,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:19,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:19,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:22:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:19,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:19,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:19,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:22:19,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:19,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 09:22:19,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:22:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-13 09:22:19,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:20,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 09:22:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:20,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:20,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:20,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:22:20,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:20,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 09:22:20,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:20,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:22:20,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:22:20,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-13 09:22:20,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:20,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-13 09:22:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:20,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:20,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:20,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-13 09:22:20,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:20,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-13 09:22:20,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:20,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:20,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 284 [2020-10-13 09:22:20,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:20,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:20,435 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 210 proven. 109 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-13 09:22:20,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663473401] [2020-10-13 09:22:20,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:22:20,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:22:20,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186018401] [2020-10-13 09:22:20,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:22:20,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:22:20,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:22:20,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:22:20,438 INFO L87 Difference]: Start difference. First operand 2071 states and 2426 transitions. Second operand 7 states. [2020-10-13 09:22:23,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:22:23,424 INFO L93 Difference]: Finished difference Result 5905 states and 7109 transitions. [2020-10-13 09:22:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 09:22:23,425 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 551 [2020-10-13 09:22:23,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:22:23,439 INFO L225 Difference]: With dead ends: 5905 [2020-10-13 09:22:23,439 INFO L226 Difference]: Without dead ends: 3840 [2020-10-13 09:22:23,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:22:23,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2020-10-13 09:22:23,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 3814. [2020-10-13 09:22:23,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3814 states. [2020-10-13 09:22:23,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3814 states and 4513 transitions. [2020-10-13 09:22:23,518 INFO L78 Accepts]: Start accepts. Automaton has 3814 states and 4513 transitions. Word has length 551 [2020-10-13 09:22:23,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:22:23,518 INFO L479 AbstractCegarLoop]: Abstraction has 3814 states and 4513 transitions. [2020-10-13 09:22:23,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:22:23,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3814 states and 4513 transitions. [2020-10-13 09:22:23,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2020-10-13 09:22:23,529 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:22:23,530 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:22:23,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 09:22:23,530 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:22:23,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:22:23,531 INFO L82 PathProgramCache]: Analyzing trace with hash 2052029275, now seen corresponding path program 1 times [2020-10-13 09:22:23,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:22:23,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317202153] [2020-10-13 09:22:23,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:22:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:23,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:23,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:23,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:23,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:28,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:28,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 795 [2020-10-13 09:22:28,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 09:22:28,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 09:22:28,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:28,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 09:22:28,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 09:22:28,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 09:22:28,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:28,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:22:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:28,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:28,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:28,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:22:28,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:28,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:22:28,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:22:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 09:22:28,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:28,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:22:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:28,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:28,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:28,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 09:22:28,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:28,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 09:22:28,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:22:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:22:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 09:22:28,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:28,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 09:22:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:28,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:28,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:28,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:22:28,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:28,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 09:22:28,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-13 09:22:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:28,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:28,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-13 09:22:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:28,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:28,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:28,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 09:22:28,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:28,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 09:22:28,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 09:22:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:28,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:28,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-13 09:22:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:28,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:28,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:28,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:22:28,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:28,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 09:22:28,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-13 09:22:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:28,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-10-13 09:22:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:28,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:29,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:29,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-13 09:22:29,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:29,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-13 09:22:29,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 299 [2020-10-13 09:22:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:29,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:29,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:22:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:29,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:29,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:29,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 09:22:29,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:29,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 09:22:29,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:29,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:29,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 165 proven. 256 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2020-10-13 09:22:29,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317202153] [2020-10-13 09:22:29,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:22:29,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:22:29,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480825769] [2020-10-13 09:22:29,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:22:29,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:22:29,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:22:29,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:22:29,385 INFO L87 Difference]: Start difference. First operand 3814 states and 4513 transitions. Second operand 7 states. [2020-10-13 09:22:32,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:22:32,144 INFO L93 Difference]: Finished difference Result 8322 states and 9853 transitions. [2020-10-13 09:22:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 09:22:32,146 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 775 [2020-10-13 09:22:32,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:22:32,160 INFO L225 Difference]: With dead ends: 8322 [2020-10-13 09:22:32,160 INFO L226 Difference]: Without dead ends: 4514 [2020-10-13 09:22:32,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-13 09:22:32,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4514 states. [2020-10-13 09:22:32,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4514 to 4496. [2020-10-13 09:22:32,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4496 states. [2020-10-13 09:22:32,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4496 states to 4496 states and 5249 transitions. [2020-10-13 09:22:32,249 INFO L78 Accepts]: Start accepts. Automaton has 4496 states and 5249 transitions. Word has length 775 [2020-10-13 09:22:32,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:22:32,249 INFO L479 AbstractCegarLoop]: Abstraction has 4496 states and 5249 transitions. [2020-10-13 09:22:32,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:22:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 4496 states and 5249 transitions. [2020-10-13 09:22:32,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 995 [2020-10-13 09:22:32,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:22:32,266 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:22:32,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 09:22:32,267 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:22:32,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:22:32,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1922172077, now seen corresponding path program 1 times [2020-10-13 09:22:32,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:22:32,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1366884750] [2020-10-13 09:22:32,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:22:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:32,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:32,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:32,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:32,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:33,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:37,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:37,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1016 [2020-10-13 09:22:37,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:22:37,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5110 [2020-10-13 09:22:37,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:37,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:22:37,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-10-13 09:22:37,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 09:22:37,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:37,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:22:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:37,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:37,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:37,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:22:37,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:37,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 09:22:37,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:37,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:37,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:37,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:37,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:37,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:22:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:37,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:37,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:37,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-13 09:22:37,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:37,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-13 09:22:37,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:22:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:37,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-13 09:22:37,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:37,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 09:22:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:37,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:37,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:37,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 09:22:37,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:37,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 09:22:37,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:37,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:22:37,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:22:37,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 09:22:37,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:37,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-13 09:22:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:37,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:37,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:37,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:22:37,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:37,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 09:22:37,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-13 09:22:37,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:37,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:37,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-10-13 09:22:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:37,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:38,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:38,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 09:22:38,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:38,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 09:22:38,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:38,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:38,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 09:22:38,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:38,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:38,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2020-10-13 09:22:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:38,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:38,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:38,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 09:22:38,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:38,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 09:22:38,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:38,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:38,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-13 09:22:38,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:38,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:38,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2020-10-13 09:22:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:38,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:38,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:38,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-13 09:22:38,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:38,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-13 09:22:38,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 299 [2020-10-13 09:22:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:38,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:38,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:22:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:38,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:38,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:38,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 09:22:38,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:38,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 09:22:38,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:38,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:38,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:38,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:38,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:38,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 280 proven. 266 refuted. 0 times theorem prover too weak. 1285 trivial. 0 not checked. [2020-10-13 09:22:38,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1366884750] [2020-10-13 09:22:38,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:22:38,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 09:22:38,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489206947] [2020-10-13 09:22:38,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 09:22:38,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:22:38,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 09:22:38,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 09:22:38,708 INFO L87 Difference]: Start difference. First operand 4496 states and 5249 transitions. Second operand 8 states. [2020-10-13 09:22:43,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:22:43,134 INFO L93 Difference]: Finished difference Result 14125 states and 16690 transitions. [2020-10-13 09:22:43,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 09:22:43,135 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 994 [2020-10-13 09:22:43,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:22:43,162 INFO L225 Difference]: With dead ends: 14125 [2020-10-13 09:22:43,163 INFO L226 Difference]: Without dead ends: 9635 [2020-10-13 09:22:43,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-13 09:22:43,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9635 states. [2020-10-13 09:22:43,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9635 to 9627. [2020-10-13 09:22:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9627 states. [2020-10-13 09:22:43,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9627 states to 9627 states and 11086 transitions. [2020-10-13 09:22:43,356 INFO L78 Accepts]: Start accepts. Automaton has 9627 states and 11086 transitions. Word has length 994 [2020-10-13 09:22:43,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:22:43,357 INFO L479 AbstractCegarLoop]: Abstraction has 9627 states and 11086 transitions. [2020-10-13 09:22:43,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 09:22:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 9627 states and 11086 transitions. [2020-10-13 09:22:43,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1046 [2020-10-13 09:22:43,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:22:43,392 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:22:43,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 09:22:43,392 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:22:43,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:22:43,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1795887857, now seen corresponding path program 1 times [2020-10-13 09:22:43,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:22:43,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153830035] [2020-10-13 09:22:43,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:22:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:43,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:43,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:43,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:44,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:46,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:48,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:48,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1065 [2020-10-13 09:22:48,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:22:48,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-13 09:22:48,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:48,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:22:48,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-13 09:22:48,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 09:22:48,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:48,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:22:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:48,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:48,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:48,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:22:48,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:48,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:22:48,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:48,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:48,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:48,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:48,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:48,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:22:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:48,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:48,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:48,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-13 09:22:48,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:48,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-13 09:22:48,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:48,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:22:48,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:48,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-13 09:22:48,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:48,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-13 09:22:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:48,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:49,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:49,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 09:22:49,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:49,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-13 09:22:49,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:22:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:22:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 09:22:49,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:22:49,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2020-10-13 09:22:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:49,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:49,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:49,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:22:49,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:49,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 09:22:49,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:49,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:49,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-13 09:22:49,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:49,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:49,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-10-13 09:22:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:49,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:49,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:49,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 09:22:49,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:49,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-13 09:22:49,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-10-13 09:22:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:49,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:49,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 714 [2020-10-13 09:22:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:49,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:49,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:49,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-13 09:22:49,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:49,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-13 09:22:49,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:49,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:49,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 299 [2020-10-13 09:22:49,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:49,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:49,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:22:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:49,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:49,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:49,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 09:22:49,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:49,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 09:22:49,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:49,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:49,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:49,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:49,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:50,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1557 backedges. 243 proven. 200 refuted. 0 times theorem prover too weak. 1114 trivial. 0 not checked. [2020-10-13 09:22:50,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153830035] [2020-10-13 09:22:50,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:22:50,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:22:50,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494430717] [2020-10-13 09:22:50,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:22:50,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:22:50,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:22:50,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:22:50,305 INFO L87 Difference]: Start difference. First operand 9627 states and 11086 transitions. Second operand 7 states. [2020-10-13 09:22:53,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:22:53,924 INFO L93 Difference]: Finished difference Result 20279 states and 23398 transitions. [2020-10-13 09:22:53,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 09:22:53,930 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1045 [2020-10-13 09:22:53,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:22:53,959 INFO L225 Difference]: With dead ends: 20279 [2020-10-13 09:22:53,959 INFO L226 Difference]: Without dead ends: 10658 [2020-10-13 09:22:53,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:22:53,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10658 states. [2020-10-13 09:22:54,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10658 to 10646. [2020-10-13 09:22:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10646 states. [2020-10-13 09:22:54,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10646 states to 10646 states and 12132 transitions. [2020-10-13 09:22:54,202 INFO L78 Accepts]: Start accepts. Automaton has 10646 states and 12132 transitions. Word has length 1045 [2020-10-13 09:22:54,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:22:54,203 INFO L479 AbstractCegarLoop]: Abstraction has 10646 states and 12132 transitions. [2020-10-13 09:22:54,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:22:54,203 INFO L276 IsEmpty]: Start isEmpty. Operand 10646 states and 12132 transitions. [2020-10-13 09:22:54,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1057 [2020-10-13 09:22:54,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:22:54,236 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, 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, 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, 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, 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:22:54,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 09:22:54,236 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:22:54,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:22:54,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1306919949, now seen corresponding path program 1 times [2020-10-13 09:22:54,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:22:54,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969403732] [2020-10-13 09:22:54,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:22:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:54,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:54,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:55,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:55,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:59,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:59,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:59,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1074 [2020-10-13 09:22:59,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:22:59,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-10-13 09:22:59,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:59,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:22:59,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-13 09:22:59,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-10-13 09:22:59,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:59,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:22:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:59,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:59,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:59,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:22:59,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:59,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:22:59,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:59,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:22:59,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:59,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:22:59,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:59,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:22:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:59,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:22:59,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:22:59,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-13 09:22:59,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:22:59,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-13 09:22:59,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:22:59,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:22:59,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:22:59,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-13 09:22:59,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:22:59,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-13 09:22:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:22:59,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:00,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:00,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-13 09:23:00,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:00,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-13 09:23:00,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:00,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:23:00,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:23:00,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-13 09:23:00,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:00,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-10-13 09:23:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:00,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:00,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:00,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 09:23:00,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:00,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 09:23:00,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:23:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-10-13 09:23:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:23:00,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:00,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2020-10-13 09:23:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:00,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:00,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:00,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-13 09:23:00,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:00,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-13 09:23:00,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:00,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:23:00,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 299 [2020-10-13 09:23:00,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:23:00,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:00,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:23:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:00,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:00,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:00,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 09:23:00,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:00,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 09:23:00,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:23:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:23:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:23:00,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:01,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 332 proven. 386 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2020-10-13 09:23:01,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969403732] [2020-10-13 09:23:01,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:23:01,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:23:01,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132580198] [2020-10-13 09:23:01,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:23:01,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:23:01,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:23:01,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:23:01,043 INFO L87 Difference]: Start difference. First operand 10646 states and 12132 transitions. Second operand 7 states. [2020-10-13 09:23:06,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:23:06,274 INFO L93 Difference]: Finished difference Result 27588 states and 32433 transitions. [2020-10-13 09:23:06,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 09:23:06,276 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1056 [2020-10-13 09:23:06,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:23:06,350 INFO L225 Difference]: With dead ends: 27588 [2020-10-13 09:23:06,350 INFO L226 Difference]: Without dead ends: 16948 [2020-10-13 09:23:06,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 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 09:23:06,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16948 states. [2020-10-13 09:23:06,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16948 to 16758. [2020-10-13 09:23:06,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16758 states. [2020-10-13 09:23:06,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16758 states to 16758 states and 18756 transitions. [2020-10-13 09:23:06,843 INFO L78 Accepts]: Start accepts. Automaton has 16758 states and 18756 transitions. Word has length 1056 [2020-10-13 09:23:06,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:23:06,844 INFO L479 AbstractCegarLoop]: Abstraction has 16758 states and 18756 transitions. [2020-10-13 09:23:06,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:23:06,844 INFO L276 IsEmpty]: Start isEmpty. Operand 16758 states and 18756 transitions. [2020-10-13 09:23:06,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1138 [2020-10-13 09:23:06,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:23:06,893 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, 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, 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, 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, 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, 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, 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] [2020-10-13 09:23:06,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 09:23:06,893 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:23:06,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:23:06,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1484353744, now seen corresponding path program 1 times [2020-10-13 09:23:06,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:23:06,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1301278237] [2020-10-13 09:23:06,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:23:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:07,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:07,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:07,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:08,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:12,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:12,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1155 [2020-10-13 09:23:12,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 09:23:12,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-13 09:23:12,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 09:23:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 09:23:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 253 [2020-10-13 09:23:12,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:12,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:23:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:12,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:12,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:12,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:23:12,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:12,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:23:12,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:12,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:23:12,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:23:12,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 09:23:12,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:12,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:23:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:12,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:12,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:12,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:12,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-13 09:23:12,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 09:23:12,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 523 [2020-10-13 09:23:12,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:23:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:23:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-13 09:23:12,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:12,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-13 09:23:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:12,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:13,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:13,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-13 09:23:13,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:13,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-13 09:23:13,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:13,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:23:13,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 274 [2020-10-13 09:23:13,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:23:13,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:13,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2020-10-13 09:23:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:13,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:13,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:13,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 09:23:13,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:13,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-13 09:23:13,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:23:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-10-13 09:23:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:23:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:13,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2020-10-13 09:23:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:13,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:13,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:13,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-13 09:23:13,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:13,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-13 09:23:13,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:13,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:23:13,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 299 [2020-10-13 09:23:13,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:23:13,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:13,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:23:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:13,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:13,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:13,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 09:23:13,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:13,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 09:23:13,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:13,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:23:13,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:23:13,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:23:13,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:14,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 132 proven. 732 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2020-10-13 09:23:14,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1301278237] [2020-10-13 09:23:14,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:23:14,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 09:23:14,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266028146] [2020-10-13 09:23:14,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 09:23:14,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:23:14,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 09:23:14,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 09:23:14,215 INFO L87 Difference]: Start difference. First operand 16758 states and 18756 transitions. Second operand 8 states. [2020-10-13 09:23:17,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:23:17,815 INFO L93 Difference]: Finished difference Result 33011 states and 37949 transitions. [2020-10-13 09:23:17,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 09:23:17,816 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1137 [2020-10-13 09:23:17,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:23:17,862 INFO L225 Difference]: With dead ends: 33011 [2020-10-13 09:23:17,862 INFO L226 Difference]: Without dead ends: 16951 [2020-10-13 09:23:17,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:23:17,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16951 states. [2020-10-13 09:23:18,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16951 to 16760. [2020-10-13 09:23:18,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16760 states. [2020-10-13 09:23:18,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16760 states to 16760 states and 18761 transitions. [2020-10-13 09:23:18,272 INFO L78 Accepts]: Start accepts. Automaton has 16760 states and 18761 transitions. Word has length 1137 [2020-10-13 09:23:18,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:23:18,272 INFO L479 AbstractCegarLoop]: Abstraction has 16760 states and 18761 transitions. [2020-10-13 09:23:18,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 09:23:18,272 INFO L276 IsEmpty]: Start isEmpty. Operand 16760 states and 18761 transitions. [2020-10-13 09:23:18,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1338 [2020-10-13 09:23:18,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:23:18,311 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 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 09:23:18,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 09:23:18,311 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:23:18,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:23:18,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1894671068, now seen corresponding path program 1 times [2020-10-13 09:23:18,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:23:18,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [667050593] [2020-10-13 09:23:18,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:23:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:18,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:18,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:21,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:23,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:23,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:23,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1359 [2020-10-13 09:23:23,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 09:23:23,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-13 09:23:23,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:23,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:23:23,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1316 [2020-10-13 09:23:23,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 09:23:23,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:23,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:23:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:23,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:23,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:23,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:23:23,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:23,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:23:23,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:23:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:23:23,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:23:23,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:23,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:23:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:23,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:23,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:23,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-13 09:23:23,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:23,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 09:23:23,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:23,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:23:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:23:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:23:23,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:23,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-13 09:23:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:23,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:23,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:23,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-13 09:23:23,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:23,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 09:23:23,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:23,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:23:23,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:23:23,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:23:23,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:23,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-10-13 09:23:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:23,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:24,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:24,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 09:23:24,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:24,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 09:23:24,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:24,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:23:24,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:23:24,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:23:24,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:24,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-10-13 09:23:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:24,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:24,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:24,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-13 09:23:24,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:24,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 09:23:24,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:24,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:23:24,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:23:24,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:23:24,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:24,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 733 [2020-10-13 09:23:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:24,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:24,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:24,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 09:23:24,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:24,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 09:23:24,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:24,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:23:24,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:23:24,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:23:24,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:24,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2020-10-13 09:23:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:24,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:24,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:24,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-13 09:23:24,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:24,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-10-13 09:23:24,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:24,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:23:24,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:23:24,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 293 [2020-10-13 09:23:24,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:24,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:23:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:23:24,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:23:24,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:23:24,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 09:23:24,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:23:24,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 09:23:24,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:23:24,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:23:24,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:23:24,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 09:23:24,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:23:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2827 backedges. 207 proven. 6 refuted. 0 times theorem prover too weak. 2614 trivial. 0 not checked. [2020-10-13 09:23:25,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [667050593] [2020-10-13 09:23:25,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:23:25,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:23:25,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723387721] [2020-10-13 09:23:25,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:23:25,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:23:25,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:23:25,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:23:25,458 INFO L87 Difference]: Start difference. First operand 16760 states and 18761 transitions. Second operand 5 states. [2020-10-13 09:23:28,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:23:28,500 INFO L93 Difference]: Finished difference Result 36538 states and 41125 transitions. [2020-10-13 09:23:28,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:23:28,502 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1337 [2020-10-13 09:23:28,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:23:28,504 INFO L225 Difference]: With dead ends: 36538 [2020-10-13 09:23:28,504 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 09:23:28,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 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 09:23:28,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 09:23:28,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 09:23:28,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 09:23:28,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 09:23:28,536 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1337 [2020-10-13 09:23:28,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:23:28,537 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 09:23:28,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:23:28,537 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 09:23:28,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 09:23:28,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 09:23:28,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 09:23:31,732 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 448 DAG size of output: 302 [2020-10-13 09:23:34,244 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 451 DAG size of output: 320 [2020-10-13 09:23:37,631 WARN L193 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 310 DAG size of output: 59 [2020-10-13 09:23:38,688 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 54 [2020-10-13 09:23:40,135 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 320 DAG size of output: 77 [2020-10-13 09:23:41,299 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 298 DAG size of output: 100 [2020-10-13 09:23:44,834 WARN L193 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 327 DAG size of output: 59 [2020-10-13 09:23:44,840 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 09:23:44,840 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)|) (= ~a18~0 |old(~a18~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-13 09:23:44,840 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 09:23:44,840 INFO L268 CegarLoopResult]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,840 INFO L268 CegarLoopResult]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2020-10-13 09:23:44,841 INFO L268 CegarLoopResult]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,841 INFO L268 CegarLoopResult]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,841 INFO L268 CegarLoopResult]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,841 INFO L268 CegarLoopResult]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,841 INFO L268 CegarLoopResult]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,841 INFO L268 CegarLoopResult]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,841 INFO L268 CegarLoopResult]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,841 INFO L268 CegarLoopResult]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,841 INFO L268 CegarLoopResult]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,841 INFO L268 CegarLoopResult]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,842 INFO L268 CegarLoopResult]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,842 INFO L268 CegarLoopResult]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,842 INFO L268 CegarLoopResult]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,842 INFO L268 CegarLoopResult]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,842 INFO L268 CegarLoopResult]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,842 INFO L268 CegarLoopResult]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,842 INFO L268 CegarLoopResult]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,842 INFO L268 CegarLoopResult]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,842 INFO L268 CegarLoopResult]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,842 INFO L268 CegarLoopResult]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,843 INFO L268 CegarLoopResult]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,843 INFO L268 CegarLoopResult]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,843 INFO L268 CegarLoopResult]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,843 INFO L268 CegarLoopResult]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,843 INFO L268 CegarLoopResult]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,843 INFO L268 CegarLoopResult]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,843 INFO L268 CegarLoopResult]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,844 INFO L264 CegarLoopResult]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse5 (= ~a18~0 |old(~a18~0)|)) (.cse6 (= ~a12~0 |old(~a12~0)|)) (.cse7 (= ~a15~0 |old(~a15~0)|)) (.cse8 (= 8 |old(~a16~0)|))) (let ((.cse1 (= 8 |old(~a12~0)|)) (.cse3 (not .cse8)) (.cse4 (and (= 3 |old(~a15~0)|) (= 5 |old(~a12~0)|) (not (<= 0 (+ |old(~a18~0)| 155))) .cse8)) (.cse2 (not (<= 0 (+ |old(~a18~0)| 78)))) (.cse0 (and .cse5 (= ~a16~0 |old(~a16~0)|) .cse6 .cse7))) (and (or .cse0 .cse1 .cse2 (= 7 |old(~a12~0)|)) (or .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse4 (not (<= (+ |old(~a18~0)| 156) 0))) (or .cse0 (not (<= 4 |old(~a15~0)|))) (or (and .cse5 .cse6 (= ~a16~0 8) .cse7) .cse3 .cse4 .cse2) (or .cse0 (not (<= 10 |old(~a16~0)|)))))) [2020-10-13 09:23:44,844 INFO L268 CegarLoopResult]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,844 INFO L268 CegarLoopResult]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,844 INFO L268 CegarLoopResult]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,844 INFO L268 CegarLoopResult]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,844 INFO L268 CegarLoopResult]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,844 INFO L268 CegarLoopResult]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,845 INFO L268 CegarLoopResult]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,845 INFO L268 CegarLoopResult]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2020-10-13 09:23:44,845 INFO L268 CegarLoopResult]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,845 INFO L268 CegarLoopResult]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,845 INFO L268 CegarLoopResult]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,845 INFO L268 CegarLoopResult]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,845 INFO L268 CegarLoopResult]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,845 INFO L268 CegarLoopResult]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,846 INFO L268 CegarLoopResult]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,846 INFO L268 CegarLoopResult]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,846 INFO L268 CegarLoopResult]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2020-10-13 09:23:44,846 INFO L268 CegarLoopResult]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,846 INFO L268 CegarLoopResult]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,846 INFO L268 CegarLoopResult]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,846 INFO L268 CegarLoopResult]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,846 INFO L268 CegarLoopResult]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,846 INFO L268 CegarLoopResult]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,847 INFO L268 CegarLoopResult]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,847 INFO L268 CegarLoopResult]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,847 INFO L268 CegarLoopResult]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,847 INFO L268 CegarLoopResult]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,847 INFO L268 CegarLoopResult]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,847 INFO L268 CegarLoopResult]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,847 INFO L268 CegarLoopResult]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,847 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 09:23:44,847 INFO L268 CegarLoopResult]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,848 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 09:23:44,848 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 09:23:44,848 INFO L264 CegarLoopResult]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse3 (= ~a18~0 |old(~a18~0)|)) (.cse4 (= ~a12~0 |old(~a12~0)|)) (.cse5 (= ~a15~0 |old(~a15~0)|))) (let ((.cse7 (not (<= 0 (+ |old(~a18~0)| 78)))) (.cse9 (= 8 |old(~a12~0)|)) (.cse10 (= 7 |old(~a12~0)|)) (.cse2 (not (= 9 |old(~a16~0)|))) (.cse0 (not (= 5 |old(~a12~0)|))) (.cse1 (not (= 3 |old(~a15~0)|))) (.cse6 (not (= 8 |old(~a16~0)|))) (.cse11 (not (<= |old(~a16~0)| 9))) (.cse12 (not (<= |old(~a15~0)| 3))) (.cse13 (not (<= 9 |old(~a16~0)|))) (.cse14 (not (<= 3 |old(~a15~0)|))) (.cse15 (not (<= (+ |old(~a18~0)| 156) 0))) (.cse8 (and .cse3 (= ~a16~0 |old(~a16~0)|) .cse4 .cse5))) (and (or (not (<= (+ |old(~a18~0)| 79) 0)) .cse0 .cse1 (not (<= 0 (+ |old(~a18~0)| 154))) .cse2) (or (and .cse3 .cse4 (= ~a16~0 8) .cse5) .cse6 .cse7) (or .cse8 .cse9 .cse7 .cse10) (or .cse11 .cse12 (not (<= 49995 |old(~a18~0)|)) (not (<= 9 |old(~a12~0)|)) .cse13 .cse14 (not (<= |old(~a12~0)| 9))) (or .cse8 .cse9 .cse6) (or (not (<= 27 |old(~a18~0)|)) (not .cse9) .cse1 (not (<= |old(~a18~0)| 133)) .cse2) (or (not (<= 136 |old(~a18~0)|)) (not .cse10) .cse1 .cse2) (or .cse8 (not (<= 4 |old(~a15~0)|))) (or .cse0 .cse1 .cse6 (<= 0 (+ |old(~a18~0)| 155))) (or .cse8 .cse15) (or .cse11 .cse12 (not (<= |old(~a12~0)| 7)) .cse13 (not (<= 7 |old(~a12~0)|)) .cse14 .cse15) (or .cse8 (not (<= 10 |old(~a16~0)|)))))) [2020-10-13 09:23:44,848 INFO L268 CegarLoopResult]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,848 INFO L268 CegarLoopResult]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2020-10-13 09:23:44,848 INFO L268 CegarLoopResult]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,848 INFO L268 CegarLoopResult]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,849 INFO L268 CegarLoopResult]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,849 INFO L268 CegarLoopResult]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,849 INFO L268 CegarLoopResult]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,849 INFO L268 CegarLoopResult]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,849 INFO L268 CegarLoopResult]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,849 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 09:23:44,849 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 09:23:44,849 INFO L268 CegarLoopResult]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,849 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 09:23:44,849 INFO L268 CegarLoopResult]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,850 INFO L268 CegarLoopResult]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,850 INFO L268 CegarLoopResult]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,850 INFO L268 CegarLoopResult]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,850 INFO L268 CegarLoopResult]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,850 INFO L268 CegarLoopResult]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,850 INFO L268 CegarLoopResult]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,850 INFO L268 CegarLoopResult]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,850 INFO L268 CegarLoopResult]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,850 INFO L268 CegarLoopResult]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,850 INFO L268 CegarLoopResult]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,850 INFO L268 CegarLoopResult]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,851 INFO L268 CegarLoopResult]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,851 INFO L268 CegarLoopResult]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,851 INFO L268 CegarLoopResult]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,851 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 09:23:44,851 INFO L268 CegarLoopResult]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,851 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 09:23:44,851 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 09:23:44,851 INFO L268 CegarLoopResult]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,851 INFO L268 CegarLoopResult]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,851 INFO L268 CegarLoopResult]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,851 INFO L268 CegarLoopResult]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,852 INFO L268 CegarLoopResult]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,852 INFO L268 CegarLoopResult]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,852 INFO L268 CegarLoopResult]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,852 INFO L268 CegarLoopResult]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,852 INFO L268 CegarLoopResult]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,852 INFO L268 CegarLoopResult]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,852 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 09:23:44,852 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 09:23:44,852 INFO L268 CegarLoopResult]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,852 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 09:23:44,853 INFO L268 CegarLoopResult]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,853 INFO L268 CegarLoopResult]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,853 INFO L268 CegarLoopResult]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,853 INFO L268 CegarLoopResult]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,853 INFO L268 CegarLoopResult]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,853 INFO L268 CegarLoopResult]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,853 INFO L268 CegarLoopResult]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,853 INFO L268 CegarLoopResult]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,853 INFO L268 CegarLoopResult]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,853 INFO L268 CegarLoopResult]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,853 INFO L268 CegarLoopResult]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,854 INFO L268 CegarLoopResult]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,854 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 09:23:44,854 INFO L268 CegarLoopResult]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,854 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 09:23:44,854 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 09:23:44,854 INFO L268 CegarLoopResult]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,854 INFO L268 CegarLoopResult]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,854 INFO L268 CegarLoopResult]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,854 INFO L268 CegarLoopResult]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,854 INFO L268 CegarLoopResult]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,854 INFO L268 CegarLoopResult]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,855 INFO L268 CegarLoopResult]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,855 INFO L268 CegarLoopResult]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,855 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,855 INFO L268 CegarLoopResult]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,855 INFO L268 CegarLoopResult]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,855 INFO L268 CegarLoopResult]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,855 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 09:23:44,855 INFO L268 CegarLoopResult]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,855 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 09:23:44,855 INFO L268 CegarLoopResult]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,856 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 09:23:44,856 INFO L268 CegarLoopResult]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,856 INFO L268 CegarLoopResult]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,856 INFO L268 CegarLoopResult]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,856 INFO L268 CegarLoopResult]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,856 INFO L268 CegarLoopResult]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,856 INFO L268 CegarLoopResult]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,856 INFO L268 CegarLoopResult]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,856 INFO L268 CegarLoopResult]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,856 INFO L268 CegarLoopResult]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,856 INFO L268 CegarLoopResult]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,857 INFO L268 CegarLoopResult]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,857 INFO L268 CegarLoopResult]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,857 INFO L268 CegarLoopResult]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,857 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 09:23:44,857 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 09:23:44,857 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 09:23:44,857 INFO L268 CegarLoopResult]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,857 INFO L268 CegarLoopResult]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,857 INFO L268 CegarLoopResult]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,857 INFO L268 CegarLoopResult]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,857 INFO L268 CegarLoopResult]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,858 INFO L268 CegarLoopResult]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,858 INFO L268 CegarLoopResult]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,858 INFO L268 CegarLoopResult]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,858 INFO L268 CegarLoopResult]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,858 INFO L268 CegarLoopResult]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,858 INFO L268 CegarLoopResult]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,858 INFO L268 CegarLoopResult]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,858 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 09:23:44,858 INFO L268 CegarLoopResult]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,858 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 09:23:44,859 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 09:23:44,859 INFO L268 CegarLoopResult]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,859 INFO L268 CegarLoopResult]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,859 INFO L268 CegarLoopResult]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,859 INFO L268 CegarLoopResult]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,859 INFO L268 CegarLoopResult]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,859 INFO L268 CegarLoopResult]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,859 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse0 (= ~a18~0 |old(~a18~0)|)) (.cse10 (= ~a16~0 |old(~a16~0)|)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|))) (let ((.cse4 (not (<= 0 (+ |old(~a18~0)| 78)))) (.cse3 (not (= 8 |old(~a16~0)|))) (.cse6 (= 8 |old(~a12~0)|)) (.cse9 (= ~a15~0 3)) (.cse7 (= 7 |old(~a12~0)|)) (.cse8 (not (= 3 |old(~a15~0)|))) (.cse11 (not (= 9 |old(~a16~0)|))) (.cse5 (and .cse0 .cse10 .cse1 .cse2))) (and (or (and .cse0 .cse1 (= ~a16~0 8) .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or (not (= 5 |old(~a12~0)|)) .cse8 (not (<= 0 (+ |old(~a18~0)| 154))) (and .cse9 .cse0 .cse10 (= 5 ~a12~0)) .cse11) (or .cse5 .cse6 .cse3) (or .cse5 (not (<= 4 |old(~a15~0)|))) (or (not (<= 27 |old(~a18~0)|)) (not .cse6) .cse8 (and .cse9 .cse0 (= ~a12~0 8) .cse10) (not (<= |old(~a18~0)| 133)) .cse11) (or .cse5 (not (<= (+ |old(~a18~0)| 156) 0))) (or (and .cse9 .cse0 .cse10 .cse1) (not (<= 136 |old(~a18~0)|)) (not .cse7) .cse8 .cse11) (or (not (<= 10 |old(~a16~0)|)) .cse5)))) [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,860 INFO L268 CegarLoopResult]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,861 INFO L268 CegarLoopResult]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,862 INFO L268 CegarLoopResult]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,862 INFO L268 CegarLoopResult]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,862 INFO L268 CegarLoopResult]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,862 INFO L268 CegarLoopResult]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,862 INFO L268 CegarLoopResult]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,862 INFO L268 CegarLoopResult]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,862 INFO L268 CegarLoopResult]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,862 INFO L268 CegarLoopResult]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,862 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 09:23:44,862 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 09:23:44,863 INFO L268 CegarLoopResult]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,864 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 09:23:44,864 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 09:23:44,864 INFO L268 CegarLoopResult]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,864 INFO L268 CegarLoopResult]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,864 INFO L268 CegarLoopResult]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,864 INFO L268 CegarLoopResult]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,864 INFO L268 CegarLoopResult]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,864 INFO L268 CegarLoopResult]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,864 INFO L268 CegarLoopResult]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,864 INFO L268 CegarLoopResult]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,865 INFO L268 CegarLoopResult]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,865 INFO L268 CegarLoopResult]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,865 INFO L268 CegarLoopResult]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,865 INFO L268 CegarLoopResult]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,865 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-10-13 09:23:44,865 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 09:23:44,865 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 09:23:44,865 INFO L268 CegarLoopResult]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,865 INFO L268 CegarLoopResult]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,866 INFO L268 CegarLoopResult]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,866 INFO L268 CegarLoopResult]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,866 INFO L268 CegarLoopResult]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,866 INFO L268 CegarLoopResult]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,866 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2020-10-13 09:23:44,866 INFO L268 CegarLoopResult]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,866 INFO L268 CegarLoopResult]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,866 INFO L268 CegarLoopResult]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,866 INFO L268 CegarLoopResult]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,867 INFO L268 CegarLoopResult]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,867 INFO L268 CegarLoopResult]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,867 INFO L268 CegarLoopResult]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,867 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 09:23:44,867 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 09:23:44,867 INFO L268 CegarLoopResult]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,867 INFO L268 CegarLoopResult]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,867 INFO L268 CegarLoopResult]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,867 INFO L268 CegarLoopResult]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,867 INFO L268 CegarLoopResult]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,867 INFO L268 CegarLoopResult]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,867 INFO L268 CegarLoopResult]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,868 INFO L268 CegarLoopResult]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 09:23:44,869 INFO L268 CegarLoopResult]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 09:23:44,870 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 09:23:44,871 INFO L268 CegarLoopResult]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,871 INFO L268 CegarLoopResult]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,871 INFO L268 CegarLoopResult]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,871 INFO L268 CegarLoopResult]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,871 INFO L268 CegarLoopResult]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,871 INFO L268 CegarLoopResult]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,871 INFO L268 CegarLoopResult]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,871 INFO L268 CegarLoopResult]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,871 INFO L268 CegarLoopResult]: For program point L24(lines 24 26) no Hoare annotation was computed. [2020-10-13 09:23:44,871 INFO L268 CegarLoopResult]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,872 INFO L268 CegarLoopResult]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,873 INFO L268 CegarLoopResult]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,874 INFO L268 CegarLoopResult]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,875 INFO L268 CegarLoopResult]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,875 INFO L268 CegarLoopResult]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,875 INFO L268 CegarLoopResult]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:23:44,875 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 09:23:44,875 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 09:23:44,875 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 09:23:44,875 INFO L268 CegarLoopResult]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,875 INFO L268 CegarLoopResult]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,875 INFO L268 CegarLoopResult]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2020-10-13 09:23:44,875 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 09:23:44,875 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 3) (= (+ ~a18~0 87) 0) (= ~a16~0 11) (= 5 ~a12~0)) [2020-10-13 09:23:44,875 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 09:23:44,875 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 09:23:44,875 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= ~a15~0 3) (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 5 ~a12~0)) (not (= 5 |old(~a12~0)|)) (not (= 3 |old(~a15~0)|))) [2020-10-13 09:23:44,876 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2020-10-13 09:23:44,876 INFO L264 CegarLoopResult]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse2 (= ~a12~0 8))) (let ((.cse4 (= ~a16~0 8)) (.cse0 (= ~a15~0 3)) (.cse1 (= ~a16~0 9)) (.cse6 (= 7 ~a12~0)) (.cse3 (<= 0 (+ ~a18~0 78))) (.cse5 (not .cse2))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and .cse0 .cse1 (<= ~a18~0 133) .cse2 (<= 27 ~a18~0)) (and .cse0 .cse1 (<= 0 (+ ~a18~0 154)) (= 5 ~a12~0)) (not (= 3 |old(~a15~0)|)) (and .cse3 .cse4) (<= 4 ~a15~0) (and .cse4 .cse5) (and .cse0 .cse1 .cse6 (<= 136 ~a18~0)) (not (= 5 |old(~a12~0)|)) (<= 10 ~a16~0) (<= (+ ~a18~0 156) 0) (and (not .cse6) .cse3 .cse5)))) [2020-10-13 09:23:44,876 INFO L268 CegarLoopResult]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2020-10-13 09:23:44,876 INFO L268 CegarLoopResult]: For program point L1778(line 1778) no Hoare annotation was computed. [2020-10-13 09:23:44,876 INFO L264 CegarLoopResult]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse2 (= ~a12~0 8))) (let ((.cse4 (= ~a16~0 8)) (.cse0 (= ~a15~0 3)) (.cse1 (= ~a16~0 9)) (.cse6 (= 7 ~a12~0)) (.cse3 (<= 0 (+ ~a18~0 78))) (.cse5 (not .cse2))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and .cse0 .cse1 (<= ~a18~0 133) .cse2 (<= 27 ~a18~0)) (and .cse0 .cse1 (<= 0 (+ ~a18~0 154)) (= 5 ~a12~0)) (not (= 3 |old(~a15~0)|)) (and .cse3 .cse4) (<= 4 ~a15~0) (and .cse4 .cse5) (and .cse0 .cse1 .cse6 (<= 136 ~a18~0)) (not (= 5 |old(~a12~0)|)) (<= 10 ~a16~0) (<= (+ ~a18~0 156) 0) (and (not .cse6) .cse3 .cse5)))) [2020-10-13 09:23:44,876 INFO L268 CegarLoopResult]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2020-10-13 09:23:44,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:23:44 BoogieIcfgContainer [2020-10-13 09:23:44,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 09:23:44,900 INFO L168 Benchmark]: Toolchain (without parser) took 197847.42 ms. Allocated memory was 148.9 MB in the beginning and 2.6 GB in the end (delta: 2.5 GB). Free memory was 99.3 MB in the beginning and 107.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-13 09:23:44,900 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 148.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-13 09:23:44,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1384.88 ms. Allocated memory was 148.9 MB in the beginning and 211.3 MB in the end (delta: 62.4 MB). Free memory was 99.1 MB in the beginning and 144.4 MB in the end (delta: -45.3 MB). Peak memory consumption was 43.2 MB. Max. memory is 7.1 GB. [2020-10-13 09:23:44,902 INFO L168 Benchmark]: Boogie Preprocessor took 193.31 ms. Allocated memory is still 211.3 MB. Free memory was 144.4 MB in the beginning and 133.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-10-13 09:23:44,902 INFO L168 Benchmark]: RCFGBuilder took 2231.33 ms. Allocated memory was 211.3 MB in the beginning and 252.2 MB in the end (delta: 40.9 MB). Free memory was 133.9 MB in the beginning and 112.8 MB in the end (delta: 21.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. [2020-10-13 09:23:44,903 INFO L168 Benchmark]: TraceAbstraction took 194028.77 ms. Allocated memory was 252.2 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 111.1 MB in the beginning and 107.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2020-10-13 09:23:44,906 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 148.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1384.88 ms. Allocated memory was 148.9 MB in the beginning and 211.3 MB in the end (delta: 62.4 MB). Free memory was 99.1 MB in the beginning and 144.4 MB in the end (delta: -45.3 MB). Peak memory consumption was 43.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 193.31 ms. Allocated memory is still 211.3 MB. Free memory was 144.4 MB in the beginning and 133.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2231.33 ms. Allocated memory was 211.3 MB in the beginning and 252.2 MB in the end (delta: 40.9 MB). Free memory was 133.9 MB in the beginning and 112.8 MB in the end (delta: 21.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 194028.77 ms. Allocated memory was 252.2 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 111.1 MB in the beginning and 107.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: 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: 1773]: Loop Invariant Derived loop invariant: (((((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || ((((a15 == 3 && a16 == 9) && a18 <= 133) && a12 == 8) && 27 <= a18)) || (((a15 == 3 && a16 == 9) && 0 <= a18 + 154) && 5 == a12)) || !(3 == \old(a15))) || (0 <= a18 + 78 && a16 == 8)) || 4 <= a15) || (a16 == 8 && !(a12 == 8))) || (((a15 == 3 && a16 == 9) && 7 == a12) && 136 <= a18)) || !(5 == \old(a12))) || 10 <= a16) || a18 + 156 <= 0) || ((!(7 == a12) && 0 <= a18 + 78) && !(a12 == 8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 177.6s, OverallIterations: 20, TraceHistogramMax: 7, AutomataDifference: 64.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 792 SDtfs, 18053 SDslu, 866 SDs, 0 SdLazy, 36397 SolverSat, 3662 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 397 GetRequests, 250 SyntacticMatches, 6 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16760occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 2034 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 948 PreInvPairs, 1156 NumberOfFragments, 960 HoareAnnotationTreeSize, 948 FomulaSimplifications, 3433449253 FormulaSimplificationTreeSizeReduction, 5.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 13489195 FormulaSimplificationTreeSizeReductionInter, 10.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 104.7s InterpolantComputationTime, 11254 NumberOfCodeBlocks, 11254 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 11234 ConstructedInterpolants, 0 QuantifiedInterpolants, 13997620 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 1 PerfectInterpolantSequences, 12546/14882 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...