/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/Problem10_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:02:18,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:02:18,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:02:18,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:02:18,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:02:18,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:02:18,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:02:18,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:02:18,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:02:18,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:02:18,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:02:18,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:02:18,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:02:18,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:02:18,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:02:18,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:02:18,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:02:18,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:02:18,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:02:18,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:02:18,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:02:18,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:02:18,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:02:18,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:02:18,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:02:18,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:02:18,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:02:18,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:02:18,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:02:18,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:02:18,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:02:18,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:02:18,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:02:18,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:02:18,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:02:18,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:02:18,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:02:18,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:02:18,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:02:18,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:02:18,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:02:18,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 08:02:18,919 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:02:18,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:02:18,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:02:18,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:02:18,921 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:02:18,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:02:18,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:02:18,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:02:18,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:02:18,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:02:18,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:02:18,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:02:18,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:02:18,922 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:02:18,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:02:18,923 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:02:18,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:02:18,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:02:18,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:02:18,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:02:18,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:02:18,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:02:18,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:02:18,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:02:18,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:02:18,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:02:18,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:02:18,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:02:18,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:02:18,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:02:19,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:02:19,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:02:19,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:02:19,236 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:02:19,237 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:02:19,238 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label04.c [2020-10-13 08:02:19,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab73eca48/9513ca6e46674d4c8c125e44c8b803f0/FLAGba5b994f1 [2020-10-13 08:02:19,853 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:02:19,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label04.c [2020-10-13 08:02:19,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab73eca48/9513ca6e46674d4c8c125e44c8b803f0/FLAGba5b994f1 [2020-10-13 08:02:20,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab73eca48/9513ca6e46674d4c8c125e44c8b803f0 [2020-10-13 08:02:20,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:02:20,188 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:02:20,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:02:20,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:02:20,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:02:20,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:20" (1/1) ... [2020-10-13 08:02:20,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:20, skipping insertion in model container [2020-10-13 08:02:20,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:20" (1/1) ... [2020-10-13 08:02:20,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:02:20,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:02:20,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:02:20,910 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:02:21,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:02:21,061 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:02:21,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:21 WrapperNode [2020-10-13 08:02:21,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:02:21,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:02:21,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:02:21,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:02:21,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:21" (1/1) ... [2020-10-13 08:02:21,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:21" (1/1) ... [2020-10-13 08:02:21,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:21" (1/1) ... [2020-10-13 08:02:21,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:21" (1/1) ... [2020-10-13 08:02:21,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:21" (1/1) ... [2020-10-13 08:02:21,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:21" (1/1) ... [2020-10-13 08:02:21,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:21" (1/1) ... [2020-10-13 08:02:21,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:02:21,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:02:21,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:02:21,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:02:21,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:02:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:02:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:02:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:02:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:02:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:02:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:02:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:02:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:02:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:02:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:02:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:02:22,773 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:02:22,773 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:02:22,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:02:22 BoogieIcfgContainer [2020-10-13 08:02:22,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:02:22,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:02:22,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:02:22,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:02:22,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:02:20" (1/3) ... [2020-10-13 08:02:22,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf245b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:02:22, skipping insertion in model container [2020-10-13 08:02:22,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:21" (2/3) ... [2020-10-13 08:02:22,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf245b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:02:22, skipping insertion in model container [2020-10-13 08:02:22,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:02:22" (3/3) ... [2020-10-13 08:02:22,790 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label04.c [2020-10-13 08:02:22,801 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:02:22,809 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:02:22,824 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:02:22,851 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:02:22,851 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:02:22,852 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:02:22,852 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:02:22,852 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:02:22,853 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:02:22,853 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:02:22,853 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:02:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-13 08:02:22,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-13 08:02:22,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:22,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:22,891 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:22,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:22,898 INFO L82 PathProgramCache]: Analyzing trace with hash -460870769, now seen corresponding path program 1 times [2020-10-13 08:02:22,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:22,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [677051633] [2020-10-13 08:02:22,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:23,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:23,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:23,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 08:02:23,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:23,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-13 08:02:23,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:23,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:02:23,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:02:23,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:02:23,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:02:23,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:23,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:23,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:23,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:23,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:23,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 08:02:23,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:02:23,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:23,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [677051633] [2020-10-13 08:02:23,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:02:23,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 08:02:23,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745432658] [2020-10-13 08:02:23,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:23,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:23,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:23,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:23,761 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-10-13 08:02:25,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:25,875 INFO L93 Difference]: Finished difference Result 730 states and 1302 transitions. [2020-10-13 08:02:25,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:02:25,877 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2020-10-13 08:02:25,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:25,896 INFO L225 Difference]: With dead ends: 730 [2020-10-13 08:02:25,896 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:25,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:02:25,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:25,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:25,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 648 transitions. [2020-10-13 08:02:25,991 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 648 transitions. Word has length 72 [2020-10-13 08:02:25,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:25,992 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 648 transitions. [2020-10-13 08:02:25,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:25,992 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 648 transitions. [2020-10-13 08:02:26,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-13 08:02:26,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:26,001 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:02:26,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:02:26,002 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:26,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:26,002 INFO L82 PathProgramCache]: Analyzing trace with hash -731121555, now seen corresponding path program 1 times [2020-10-13 08:02:26,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:26,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487619686] [2020-10-13 08:02:26,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:26,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:26,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:26,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:26,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 08:02:26,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:02:26,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 620 [2020-10-13 08:02:26,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:26,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:26,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-13 08:02:26,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 08:02:26,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:26,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:26,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:26,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:26,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:26,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:26,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:02:26,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:26,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:26,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:26,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:02:26,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:26,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:26,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:26,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 08:02:26,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:26,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 08:02:26,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:26,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:26,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:26,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:02:26,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:27,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487619686] [2020-10-13 08:02:27,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:27,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:27,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689037249] [2020-10-13 08:02:27,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:27,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:27,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:27,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:27,072 INFO L87 Difference]: Start difference. First operand 441 states and 648 transitions. Second operand 5 states. [2020-10-13 08:02:27,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:27,971 INFO L93 Difference]: Finished difference Result 905 states and 1333 transitions. [2020-10-13 08:02:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:27,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2020-10-13 08:02:27,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:27,976 INFO L225 Difference]: With dead ends: 905 [2020-10-13 08:02:27,976 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:27,979 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 08:02:27,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:28,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:28,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:28,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 645 transitions. [2020-10-13 08:02:28,013 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 645 transitions. Word has length 151 [2020-10-13 08:02:28,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:28,013 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 645 transitions. [2020-10-13 08:02:28,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:28,014 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 645 transitions. [2020-10-13 08:02:28,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-13 08:02:28,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:28,021 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:02:28,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:02:28,021 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:28,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:28,022 INFO L82 PathProgramCache]: Analyzing trace with hash -181046758, now seen corresponding path program 1 times [2020-10-13 08:02:28,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:28,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578821383] [2020-10-13 08:02:28,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:28,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:28,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:29,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:29,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:29,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-13 08:02:29,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:29,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1551 [2020-10-13 08:02:29,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:29,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:29,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 08:02:29,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 08:02:29,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:29,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:29,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:29,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:29,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:29,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:29,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 08:02:29,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:29,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:29,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:29,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:29,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:29,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:29,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:29,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:29,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 08:02:29,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:29,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-13 08:02:29,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:29,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:29,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:29,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 08:02:29,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:29,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578821383] [2020-10-13 08:02:29,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:29,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:29,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798219866] [2020-10-13 08:02:29,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:29,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:29,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:29,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:29,976 INFO L87 Difference]: Start difference. First operand 441 states and 645 transitions. Second operand 5 states. [2020-10-13 08:02:30,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:30,944 INFO L93 Difference]: Finished difference Result 898 states and 1320 transitions. [2020-10-13 08:02:30,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:30,945 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2020-10-13 08:02:30,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:30,952 INFO L225 Difference]: With dead ends: 898 [2020-10-13 08:02:30,952 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:30,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:30,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:30,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:30,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 642 transitions. [2020-10-13 08:02:31,000 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 642 transitions. Word has length 154 [2020-10-13 08:02:31,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:31,000 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 642 transitions. [2020-10-13 08:02:31,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:31,001 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 642 transitions. [2020-10-13 08:02:31,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-13 08:02:31,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:31,004 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:02:31,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:02:31,005 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:31,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:31,005 INFO L82 PathProgramCache]: Analyzing trace with hash 889835914, now seen corresponding path program 1 times [2020-10-13 08:02:31,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:31,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607264069] [2020-10-13 08:02:31,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:31,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:31,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:31,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:32,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:32,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:32,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-13 08:02:32,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:02:32,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1454 [2020-10-13 08:02:32,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:32,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:32,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-13 08:02:32,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:02:32,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:32,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:32,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:32,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:32,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:32,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:32,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:32,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:32,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:32,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:32,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:32,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:32,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 08:02:32,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:32,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-13 08:02:32,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:32,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:32,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:32,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 08:02:32,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:32,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607264069] [2020-10-13 08:02:32,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:32,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:32,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146594546] [2020-10-13 08:02:32,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:32,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:32,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:32,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:32,780 INFO L87 Difference]: Start difference. First operand 441 states and 642 transitions. Second operand 5 states. [2020-10-13 08:02:33,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:33,581 INFO L93 Difference]: Finished difference Result 897 states and 1313 transitions. [2020-10-13 08:02:33,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:33,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2020-10-13 08:02:33,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:33,587 INFO L225 Difference]: With dead ends: 897 [2020-10-13 08:02:33,587 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:33,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:33,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:33,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:33,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 639 transitions. [2020-10-13 08:02:33,612 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 639 transitions. Word has length 162 [2020-10-13 08:02:33,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:33,614 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 639 transitions. [2020-10-13 08:02:33,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:33,614 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 639 transitions. [2020-10-13 08:02:33,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-13 08:02:33,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:33,619 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:02:33,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:02:33,620 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:33,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:33,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1894756602, now seen corresponding path program 1 times [2020-10-13 08:02:33,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:33,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1976181383] [2020-10-13 08:02:33,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:33,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:33,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:34,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:35,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:35,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 08:02:35,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:35,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1396 [2020-10-13 08:02:35,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-13 08:02:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 08:02:35,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:35,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:35,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:35,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:35,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:35,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:35,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 08:02:35,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:35,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:35,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:35,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:35,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:35,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:35,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:35,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:35,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 08:02:35,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:35,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-13 08:02:35,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 08:02:35,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:35,488 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:35,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1976181383] [2020-10-13 08:02:35,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:35,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:35,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713185462] [2020-10-13 08:02:35,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:35,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:35,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:35,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:35,491 INFO L87 Difference]: Start difference. First operand 441 states and 639 transitions. Second operand 5 states. [2020-10-13 08:02:36,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:36,357 INFO L93 Difference]: Finished difference Result 899 states and 1309 transitions. [2020-10-13 08:02:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:36,358 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-10-13 08:02:36,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:36,361 INFO L225 Difference]: With dead ends: 899 [2020-10-13 08:02:36,361 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:36,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:36,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:36,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:36,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:36,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 636 transitions. [2020-10-13 08:02:36,380 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 636 transitions. Word has length 170 [2020-10-13 08:02:36,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:36,380 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 636 transitions. [2020-10-13 08:02:36,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:36,381 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 636 transitions. [2020-10-13 08:02:36,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-13 08:02:36,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:36,383 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:02:36,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:02:36,384 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:36,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:36,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1953950722, now seen corresponding path program 1 times [2020-10-13 08:02:36,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:36,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [577216901] [2020-10-13 08:02:36,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:36,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:36,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:37,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:37,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:37,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-13 08:02:37,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:37,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1267 [2020-10-13 08:02:37,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:37,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:37,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-13 08:02:37,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 08:02:37,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:37,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:37,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:37,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:37,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:37,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:37,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 08:02:37,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:37,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:37,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:37,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:37,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:37,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:37,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:37,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:37,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:02:37,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:37,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-13 08:02:37,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:37,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:37,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:37,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-13 08:02:37,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:38,029 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:38,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [577216901] [2020-10-13 08:02:38,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:38,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:38,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113488378] [2020-10-13 08:02:38,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:38,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:38,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:38,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:38,032 INFO L87 Difference]: Start difference. First operand 441 states and 636 transitions. Second operand 5 states. [2020-10-13 08:02:38,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:38,893 INFO L93 Difference]: Finished difference Result 901 states and 1305 transitions. [2020-10-13 08:02:38,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:38,894 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2020-10-13 08:02:38,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:38,899 INFO L225 Difference]: With dead ends: 901 [2020-10-13 08:02:38,899 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:38,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:38,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:38,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:38,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 633 transitions. [2020-10-13 08:02:38,931 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 633 transitions. Word has length 184 [2020-10-13 08:02:38,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:38,932 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 633 transitions. [2020-10-13 08:02:38,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 633 transitions. [2020-10-13 08:02:38,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-13 08:02:38,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:38,935 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:02:38,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:02:38,935 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:38,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:38,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1740730369, now seen corresponding path program 1 times [2020-10-13 08:02:38,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:38,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [257871864] [2020-10-13 08:02:38,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:38,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:39,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:39,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:40,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:40,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-13 08:02:40,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:40,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1250 [2020-10-13 08:02:40,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-13 08:02:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 08:02:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:40,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:40,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:40,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:40,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:40,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:40,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:02:40,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:40,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:40,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:40,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:40,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:40,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:40,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:40,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:40,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:02:40,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:40,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-13 08:02:40,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:40,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:40,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:40,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-13 08:02:40,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:40,671 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:40,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [257871864] [2020-10-13 08:02:40,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:40,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:40,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503369228] [2020-10-13 08:02:40,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:40,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:40,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:40,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:40,676 INFO L87 Difference]: Start difference. First operand 441 states and 633 transitions. Second operand 5 states. [2020-10-13 08:02:41,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:41,887 INFO L93 Difference]: Finished difference Result 904 states and 1302 transitions. [2020-10-13 08:02:41,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:41,889 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 189 [2020-10-13 08:02:41,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:41,895 INFO L225 Difference]: With dead ends: 904 [2020-10-13 08:02:41,895 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:41,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:41,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:41,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:41,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:41,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 630 transitions. [2020-10-13 08:02:41,926 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 630 transitions. Word has length 189 [2020-10-13 08:02:41,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:41,927 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 630 transitions. [2020-10-13 08:02:41,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 630 transitions. [2020-10-13 08:02:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-13 08:02:41,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:41,934 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:41,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:02:41,934 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:41,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:41,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1754078051, now seen corresponding path program 1 times [2020-10-13 08:02:41,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:41,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89524122] [2020-10-13 08:02:41,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:42,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:42,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:42,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:43,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:43,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-13 08:02:43,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:43,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1501 [2020-10-13 08:02:43,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:43,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:43,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-13 08:02:43,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:02:43,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:43,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:43,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:43,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:43,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:43,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:43,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:43,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:43,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:43,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:43,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:43,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:43,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:02:43,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:43,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-13 08:02:43,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:43,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:43,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:43,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:02:43,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:43,841 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:43,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89524122] [2020-10-13 08:02:43,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:43,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:43,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40900088] [2020-10-13 08:02:43,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:43,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:43,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:43,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:43,843 INFO L87 Difference]: Start difference. First operand 441 states and 630 transitions. Second operand 5 states. [2020-10-13 08:02:44,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:44,658 INFO L93 Difference]: Finished difference Result 896 states and 1288 transitions. [2020-10-13 08:02:44,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:44,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 191 [2020-10-13 08:02:44,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:44,662 INFO L225 Difference]: With dead ends: 896 [2020-10-13 08:02:44,662 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:44,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:44,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:44,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:44,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 627 transitions. [2020-10-13 08:02:44,682 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 627 transitions. Word has length 191 [2020-10-13 08:02:44,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:44,682 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 627 transitions. [2020-10-13 08:02:44,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:44,683 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 627 transitions. [2020-10-13 08:02:44,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-13 08:02:44,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:44,686 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:02:44,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:02:44,686 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:44,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:44,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1135317582, now seen corresponding path program 1 times [2020-10-13 08:02:44,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:44,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [482189165] [2020-10-13 08:02:44,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:44,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:44,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:45,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:46,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:46,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-13 08:02:46,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:02:46,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1295 [2020-10-13 08:02:46,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-13 08:02:46,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 08:02:46,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:46,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:46,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:46,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:46,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:46,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:46,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:46,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:46,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:46,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:46,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:46,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:46,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 08:02:46,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:46,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 08:02:46,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:46,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:46,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:46,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-13 08:02:46,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:46,328 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:46,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [482189165] [2020-10-13 08:02:46,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:46,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:46,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619898172] [2020-10-13 08:02:46,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:46,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:46,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:46,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:46,331 INFO L87 Difference]: Start difference. First operand 441 states and 627 transitions. Second operand 5 states. [2020-10-13 08:02:47,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:47,088 INFO L93 Difference]: Finished difference Result 903 states and 1289 transitions. [2020-10-13 08:02:47,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:47,089 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 208 [2020-10-13 08:02:47,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:47,092 INFO L225 Difference]: With dead ends: 903 [2020-10-13 08:02:47,093 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:47,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:02:47,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:47,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:47,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 624 transitions. [2020-10-13 08:02:47,110 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 624 transitions. Word has length 208 [2020-10-13 08:02:47,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:47,110 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 624 transitions. [2020-10-13 08:02:47,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:47,110 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 624 transitions. [2020-10-13 08:02:47,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-13 08:02:47,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:47,114 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:02:47,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:02:47,114 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:47,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:47,115 INFO L82 PathProgramCache]: Analyzing trace with hash -278874287, now seen corresponding path program 1 times [2020-10-13 08:02:47,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:47,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856848998] [2020-10-13 08:02:47,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:47,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:47,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:47,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:49,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:51,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:51,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-13 08:02:51,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:02:51,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4337 [2020-10-13 08:02:51,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:51,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:02:51,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-13 08:02:51,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:02:51,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:51,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:51,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:51,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:51,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:51,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:51,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:02:51,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:51,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:51,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:51,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:51,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:51,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:51,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:51,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:51,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:02:51,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:51,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-13 08:02:51,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:51,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:51,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-13 08:02:51,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:02:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:51,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856848998] [2020-10-13 08:02:51,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:51,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:02:51,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622960685] [2020-10-13 08:02:51,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:02:51,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:51,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:02:51,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:02:51,854 INFO L87 Difference]: Start difference. First operand 441 states and 624 transitions. Second operand 8 states. [2020-10-13 08:02:52,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:52,771 INFO L93 Difference]: Finished difference Result 907 states and 1287 transitions. [2020-10-13 08:02:52,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 08:02:52,774 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 213 [2020-10-13 08:02:52,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:52,776 INFO L225 Difference]: With dead ends: 907 [2020-10-13 08:02:52,776 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:52,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:02:52,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:52,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:52,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 619 transitions. [2020-10-13 08:02:52,789 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 619 transitions. Word has length 213 [2020-10-13 08:02:52,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:52,789 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 619 transitions. [2020-10-13 08:02:52,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:02:52,790 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 619 transitions. [2020-10-13 08:02:52,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-13 08:02:52,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:52,793 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:02:52,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:02:52,793 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:52,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:52,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1836003870, now seen corresponding path program 1 times [2020-10-13 08:02:52,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:52,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1883725652] [2020-10-13 08:02:52,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:52,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:52,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:53,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:55,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:55,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:55,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-13 08:02:55,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:02:55,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3150 [2020-10-13 08:02:55,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:55,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:02:55,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-13 08:02:55,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:02:55,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:56,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:02:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:56,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:56,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:56,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:02:56,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:02:56,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:02:56,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:56,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:02:56,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:56,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:02:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:56,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:56,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:02:56,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:02:56,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:02:56,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 08:02:56,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:02:56,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:02:56,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:02:56,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 08:02:56,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:02:56,211 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:02:56,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1883725652] [2020-10-13 08:02:56,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:02:56,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:02:56,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602614134] [2020-10-13 08:02:56,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:02:56,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:02:56,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:02:56,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:02:56,214 INFO L87 Difference]: Start difference. First operand 441 states and 619 transitions. Second operand 5 states. [2020-10-13 08:02:56,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:02:56,991 INFO L93 Difference]: Finished difference Result 893 states and 1261 transitions. [2020-10-13 08:02:56,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:02:56,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 214 [2020-10-13 08:02:56,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:02:56,996 INFO L225 Difference]: With dead ends: 893 [2020-10-13 08:02:56,996 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:02:56,998 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 08:02:56,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:02:57,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:02:57,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:02:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 615 transitions. [2020-10-13 08:02:57,013 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 615 transitions. Word has length 214 [2020-10-13 08:02:57,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:02:57,014 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 615 transitions. [2020-10-13 08:02:57,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:02:57,014 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 615 transitions. [2020-10-13 08:02:57,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-13 08:02:57,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:02:57,018 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:02:57,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:02:57,018 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:02:57,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:02:57,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1175488966, now seen corresponding path program 1 times [2020-10-13 08:02:57,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:02:57,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557250251] [2020-10-13 08:02:57,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:02:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:02:57,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:57,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:57,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:57,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:02:59,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:00,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:00,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-13 08:03:00,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:03:00,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3799 [2020-10-13 08:03:00,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:00,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:00,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-13 08:03:00,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:03:00,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:00,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:00,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:00,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:00,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:00,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:00,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:00,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:00,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:00,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:00,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:00,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:00,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:00,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:00,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:03:00,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:00,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:03:00,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:00,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:00,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:00,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:03:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:00,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:01,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:01,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:03:01,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:01,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 08:03:01,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:01,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:01,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:01,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:03:01,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:01,091 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:03:01,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557250251] [2020-10-13 08:03:01,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:01,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:01,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183281595] [2020-10-13 08:03:01,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:01,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:01,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:01,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:01,094 INFO L87 Difference]: Start difference. First operand 441 states and 615 transitions. Second operand 5 states. [2020-10-13 08:03:02,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:02,036 INFO L93 Difference]: Finished difference Result 891 states and 1250 transitions. [2020-10-13 08:03:02,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:02,037 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 217 [2020-10-13 08:03:02,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:02,040 INFO L225 Difference]: With dead ends: 891 [2020-10-13 08:03:02,040 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:03:02,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:02,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:03:02,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:03:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:03:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 613 transitions. [2020-10-13 08:03:02,056 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 613 transitions. Word has length 217 [2020-10-13 08:03:02,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:02,056 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 613 transitions. [2020-10-13 08:03:02,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 613 transitions. [2020-10-13 08:03:02,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-13 08:03:02,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:02,059 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:02,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:03:02,059 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:02,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:02,059 INFO L82 PathProgramCache]: Analyzing trace with hash -771179091, now seen corresponding path program 1 times [2020-10-13 08:03:02,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:02,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835690756] [2020-10-13 08:03:02,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:02,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:02,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:02,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:02,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:04,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:05,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:05,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-13 08:03:05,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:03:05,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3515 [2020-10-13 08:03:05,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:05,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:05,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-13 08:03:05,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:03:05,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:05,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:05,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:05,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:05,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:05,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:05,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:03:05,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:05,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:05,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:05,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:05,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:05,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:05,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:05,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:05,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:03:05,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:05,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 08:03:05,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:05,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:05,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:05,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:05,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:05,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:03:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:05,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:05,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:05,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 08:03:05,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:05,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 08:03:05,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-13 08:03:05,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:05,900 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:03:05,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835690756] [2020-10-13 08:03:05,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:05,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:05,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251413915] [2020-10-13 08:03:05,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:05,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:05,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:05,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:05,904 INFO L87 Difference]: Start difference. First operand 441 states and 613 transitions. Second operand 5 states. [2020-10-13 08:03:06,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:06,794 INFO L93 Difference]: Finished difference Result 895 states and 1250 transitions. [2020-10-13 08:03:06,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:06,799 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 264 [2020-10-13 08:03:06,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:06,803 INFO L225 Difference]: With dead ends: 895 [2020-10-13 08:03:06,803 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:03:06,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:06,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:03:06,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:03:06,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:03:06,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 611 transitions. [2020-10-13 08:03:06,818 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 611 transitions. Word has length 264 [2020-10-13 08:03:06,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:06,819 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 611 transitions. [2020-10-13 08:03:06,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:06,819 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 611 transitions. [2020-10-13 08:03:06,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-13 08:03:06,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:06,821 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:06,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:03:06,822 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:06,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:06,822 INFO L82 PathProgramCache]: Analyzing trace with hash -575773239, now seen corresponding path program 1 times [2020-10-13 08:03:06,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:06,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994964322] [2020-10-13 08:03:06,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:06,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:06,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:06,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:08,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:09,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:09,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-13 08:03:09,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:03:09,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2211 [2020-10-13 08:03:09,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:09,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:09,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 206 [2020-10-13 08:03:09,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 08:03:09,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:09,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:09,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:09,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:09,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:09,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:09,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:03:09,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:09,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:09,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:09,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:09,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:09,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:09,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:09,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:09,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:03:09,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:09,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 08:03:09,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:09,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:09,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:09,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:09,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:09,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:03:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:09,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:09,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:09,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-13 08:03:09,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:09,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-13 08:03:09,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 08:03:09,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:09,515 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:03:09,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994964322] [2020-10-13 08:03:09,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:09,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:09,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132035721] [2020-10-13 08:03:09,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:09,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:09,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:09,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:09,518 INFO L87 Difference]: Start difference. First operand 441 states and 611 transitions. Second operand 5 states. [2020-10-13 08:03:10,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:10,319 INFO L93 Difference]: Finished difference Result 900 states and 1251 transitions. [2020-10-13 08:03:10,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:10,320 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 266 [2020-10-13 08:03:10,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:10,322 INFO L225 Difference]: With dead ends: 900 [2020-10-13 08:03:10,323 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:03:10,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:10,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:03:10,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:03:10,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:03:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 609 transitions. [2020-10-13 08:03:10,337 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 609 transitions. Word has length 266 [2020-10-13 08:03:10,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:10,338 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 609 transitions. [2020-10-13 08:03:10,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:10,338 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 609 transitions. [2020-10-13 08:03:10,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-13 08:03:10,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:10,340 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:10,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:03:10,340 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:10,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:10,341 INFO L82 PathProgramCache]: Analyzing trace with hash -524773486, now seen corresponding path program 1 times [2020-10-13 08:03:10,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:10,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033012646] [2020-10-13 08:03:10,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:10,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:10,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:10,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:11,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:12,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:13,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:13,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-10-13 08:03:13,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:03:13,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2907 [2020-10-13 08:03:13,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:13,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:13,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-10-13 08:03:13,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:03:13,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:13,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:13,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:13,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:13,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:13,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:13,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:13,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:13,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:13,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:13,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:13,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:13,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:13,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:13,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:13,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:03:13,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:13,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:03:13,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:13,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:13,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:13,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:13,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:13,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:03:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:13,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:13,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:13,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 08:03:13,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:13,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 08:03:13,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-13 08:03:13,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:13,493 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:03:13,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033012646] [2020-10-13 08:03:13,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:13,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:13,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911971517] [2020-10-13 08:03:13,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:13,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:13,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:13,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:13,495 INFO L87 Difference]: Start difference. First operand 441 states and 609 transitions. Second operand 5 states. [2020-10-13 08:03:14,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:14,250 INFO L93 Difference]: Finished difference Result 894 states and 1241 transitions. [2020-10-13 08:03:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:14,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 269 [2020-10-13 08:03:14,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:14,253 INFO L225 Difference]: With dead ends: 894 [2020-10-13 08:03:14,253 INFO L226 Difference]: Without dead ends: 447 [2020-10-13 08:03:14,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:14,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-13 08:03:14,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-10-13 08:03:14,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-13 08:03:14,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 607 transitions. [2020-10-13 08:03:14,268 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 607 transitions. Word has length 269 [2020-10-13 08:03:14,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:14,269 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 607 transitions. [2020-10-13 08:03:14,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 607 transitions. [2020-10-13 08:03:14,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-10-13 08:03:14,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:14,271 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:14,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:03:14,272 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:14,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:14,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1810051583, now seen corresponding path program 1 times [2020-10-13 08:03:14,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:14,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895534773] [2020-10-13 08:03:14,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:14,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:14,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:14,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:15,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:16,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:17,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:17,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-13 08:03:17,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:03:17,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3582 [2020-10-13 08:03:17,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 210 [2020-10-13 08:03:17,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 08:03:17,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:17,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:17,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:17,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:17,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:17,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:17,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:17,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:17,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:17,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:17,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:17,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:17,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:17,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:17,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:17,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:03:17,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:17,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:03:17,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:17,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:17,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:03:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:18,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:18,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:18,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 08:03:18,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:18,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 08:03:18,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:18,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:18,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:18,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-13 08:03:18,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:18,129 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:03:18,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895534773] [2020-10-13 08:03:18,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:18,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:18,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448734884] [2020-10-13 08:03:18,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:18,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:18,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:18,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:18,132 INFO L87 Difference]: Start difference. First operand 441 states and 607 transitions. Second operand 5 states. [2020-10-13 08:03:18,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:18,863 INFO L93 Difference]: Finished difference Result 745 states and 1022 transitions. [2020-10-13 08:03:18,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:18,863 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 270 [2020-10-13 08:03:18,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:18,864 INFO L225 Difference]: With dead ends: 745 [2020-10-13 08:03:18,864 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:03:18,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:18,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:03:18,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:03:18,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:03:18,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:03:18,867 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 270 [2020-10-13 08:03:18,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:18,868 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:03:18,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:18,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:03:18,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:03:18,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 08:03:18,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:03:19,299 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 90 [2020-10-13 08:03:19,587 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 90 [2020-10-13 08:03:21,028 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 211 DAG size of output: 143 [2020-10-13 08:03:21,544 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-10-13 08:03:22,019 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-10-13 08:03:22,023 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:03:22,024 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)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-13 08:03:22,024 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:03:22,024 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-13 08:03:22,024 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,024 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,024 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,025 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,025 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,025 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,025 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-13 08:03:22,025 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-13 08:03:22,025 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:03:22,025 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:03:22,025 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:03:22,026 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:03:22,026 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:03:22,026 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:03:22,026 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-13 08:03:22,026 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-13 08:03:22,026 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-13 08:03:22,026 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,027 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,027 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,027 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,027 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,027 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-13 08:03:22,027 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-13 08:03:22,027 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-13 08:03:22,028 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-13 08:03:22,028 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:03:22,028 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:03:22,028 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:03:22,028 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:03:22,028 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:03:22,028 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-13 08:03:22,028 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-13 08:03:22,028 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-13 08:03:22,028 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-13 08:03:22,028 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2020-10-13 08:03:22,028 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-13 08:03:22,028 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,028 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,029 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,029 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,029 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,029 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-13 08:03:22,029 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:03:22,029 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:03:22,029 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:03:22,029 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:03:22,029 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:03:22,029 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-13 08:03:22,030 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-13 08:03:22,030 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-13 08:03:22,030 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-13 08:03:22,030 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,030 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,030 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,030 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,030 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,030 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-13 08:03:22,031 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-13 08:03:22,031 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-13 08:03:22,031 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:03:22,031 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:03:22,031 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:03:22,031 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:03:22,031 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:03:22,031 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-13 08:03:22,031 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-13 08:03:22,032 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-13 08:03:22,032 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-13 08:03:22,032 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-13 08:03:22,032 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,032 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,032 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,032 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,032 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,032 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:03:22,033 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:03:22,033 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:03:22,033 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:03:22,033 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:03:22,033 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-13 08:03:22,033 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-13 08:03:22,033 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-13 08:03:22,033 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-13 08:03:22,033 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,034 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,034 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,034 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,034 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,034 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,034 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,034 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-13 08:03:22,034 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-13 08:03:22,035 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-13 08:03:22,035 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-13 08:03:22,035 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:03:22,035 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:03:22,035 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:03:22,035 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:03:22,035 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:03:22,035 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-13 08:03:22,035 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-13 08:03:22,036 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-13 08:03:22,036 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-13 08:03:22,036 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,036 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,036 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,036 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,036 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:03:22,036 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,036 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,037 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-13 08:03:22,037 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-13 08:03:22,037 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-13 08:03:22,037 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:03:22,037 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:03:22,037 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:03:22,037 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:03:22,037 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:03:22,038 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:03:22,038 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-13 08:03:22,038 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-13 08:03:22,038 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-13 08:03:22,038 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-13 08:03:22,038 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,038 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,038 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,039 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,039 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,039 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,039 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-13 08:03:22,039 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-13 08:03:22,039 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-13 08:03:22,039 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:03:22,039 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:03:22,039 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:03:22,040 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:03:22,040 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:03:22,040 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:03:22,040 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-13 08:03:22,040 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-13 08:03:22,041 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse20 (= ~a1~0 |old(~a1~0)|)) (.cse21 (= ~a10~0 |old(~a10~0)|))) (let ((.cse8 (not (= 8 |old(~a19~0)|))) (.cse12 (not (<= 1 |old(~a10~0)|))) (.cse13 (not (<= |old(~a10~0)| 1))) (.cse14 (not (<= |old(~a10~0)| 0))) (.cse15 (not (<= 0 |old(~a10~0)|))) (.cse0 (not (<= |old(~a19~0)| 8))) (.cse1 (not (<= 8 |old(~a19~0)|))) (.cse5 (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse20 .cse21)) (.cse10 (not (<= |old(~a19~0)| 7))) (.cse11 (not (<= 7 |old(~a19~0)|))) (.cse2 (not (<= 2 |old(~a10~0)|))) (.cse3 (not (<= |old(~a10~0)| 2))) (.cse7 (and .cse20 (= ~a19~0 |old(~a19~0)|) .cse21)) (.cse16 (not (<= |old(~a1~0)| 33))) (.cse17 (not (<= 0 (+ |old(~a1~0)| 12)))) (.cse18 (not (= 6 |old(~a19~0)|))) (.cse4 (not (= 14 ~a4~0))) (.cse19 (and .cse20 (= ~a19~0 6) .cse21)) (.cse9 (not (= 4 |old(~a10~0)|))) (.cse6 (not (= ~a12~0 0)))) (and (or (not (<= (+ |old(~a1~0)| 437977) 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (not (<= 592098 |old(~a1~0)|)) .cse7 .cse4 (not (= 2 |old(~a10~0)|)) .cse8 .cse6) (or .cse7 .cse4 .cse9 .cse8 .cse6) (or .cse10 .cse11 (not (<= 221 |old(~a1~0)|)) .cse7 .cse4 .cse12 .cse13 .cse6) (or .cse14 .cse0 .cse1 .cse4 .cse5 .cse15 (not (<= |old(~a1~0)| 78)) (not (<= 41 |old(~a1~0)|)) .cse6) (or (not (<= 331498 |old(~a1~0)|)) .cse7 (not (= |old(~a10~0)| 1)) .cse4 .cse8 .cse6) (or .cse10 .cse11 .cse7 .cse4 .cse16 .cse17 .cse12 .cse13 .cse6) (or .cse14 .cse0 (not (<= 219 |old(~a1~0)|)) .cse1 .cse4 .cse5 .cse15 .cse6) (or .cse0 (not (<= |old(~a1~0)| 36)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse17 .cse6) (or (not (<= (+ |old(~a1~0)| 551894) 0)) .cse18 .cse4 (not (= 0 |old(~a10~0)|)) .cse19 .cse6) (or .cse11 .cse7 .cse2 (not (<= |old(~a1~0)| 5)) .cse3 .cse4 (not (<= 0 |old(~a1~0)|)) .cse6) (or (not (<= 117 |old(~a1~0)|)) .cse10 .cse11 (not (<= |old(~a1~0)| 206)) .cse7 .cse2 .cse3 .cse4 .cse6) (or (not (<= 9 |old(~a19~0)|)) .cse7) (or (not (<= 6 |old(~a19~0)|)) (not (<= 3 |old(~a10~0)|)) .cse4 .cse16 (not (<= |old(~a19~0)| 6)) (and (<= 6 ~a19~0) .cse20 (<= ~a19~0 6) .cse21) .cse17 .cse6 (not (<= |old(~a10~0)| 3))) (or .cse18 (not (<= (+ |old(~a1~0)| 333899) 0)) .cse4 .cse19 .cse9 .cse6)))) [2020-10-13 08:03:22,041 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-13 08:03:22,041 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-13 08:03:22,041 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-13 08:03:22,041 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,041 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,041 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,041 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,041 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,042 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,042 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-13 08:03:22,042 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:03:22,042 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:03:22,042 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:03:22,042 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:03:22,042 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:03:22,042 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:03:22,042 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-13 08:03:22,042 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-13 08:03:22,043 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-13 08:03:22,043 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-13 08:03:22,043 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-13 08:03:22,043 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-13 08:03:22,043 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,043 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,043 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,043 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,043 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,043 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,044 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-13 08:03:22,044 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-13 08:03:22,044 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-13 08:03:22,044 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:03:22,044 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:03:22,044 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:03:22,044 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:03:22,044 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:03:22,044 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:03:22,044 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-13 08:03:22,044 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-13 08:03:22,045 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-13 08:03:22,045 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,045 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,045 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,045 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,045 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,045 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:22,045 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-13 08:03:22,045 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-13 08:03:22,045 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-13 08:03:22,046 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:03:22,046 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:03:22,046 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:03:22,046 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:03:22,046 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:03:22,046 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:03:22,046 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-13 08:03:22,046 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-13 08:03:22,046 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-13 08:03:22,046 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:03:22,047 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a19~0 9) [2020-10-13 08:03:22,047 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:03:22,047 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:03:22,047 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-13 08:03:22,047 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:03:22,047 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse10 (= ~a19~0 6)) (.cse11 (= ~a19~0 8)) (.cse12 (= ~a10~0 4)) (.cse1 (<= ~a19~0 7)) (.cse3 (<= 7 ~a19~0)) (.cse5 (<= 1 ~a10~0)) (.cse7 (<= ~a10~0 1)) (.cse4 (<= ~a1~0 33)) (.cse0 (<= 0 (+ ~a1~0 12))) (.cse8 (<= ~a10~0 2)) (.cse9 (<= 2 ~a10~0)) (.cse13 (<= ~a10~0 0)) (.cse14 (<= 0 ~a10~0)) (.cse15 (<= 8 ~a19~0)) (.cse2 (= 14 ~a4~0)) (.cse6 (= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse2 (<= 0 ~a1~0) .cse3 .cse8 .cse6 (<= ~a1~0 5) .cse9) (and .cse2 (= ~a10~0 0) (<= (+ ~a1~0 551894) 0) .cse6 .cse10) (and .cse1 .cse2 .cse3 .cse8 .cse6 (<= 117 ~a1~0) .cse9 (<= ~a1~0 206)) (and .cse11 (<= 331498 ~a1~0) (= ~a10~0 1) .cse2 .cse6) (and (<= (+ ~a1~0 333899) 0) .cse2 .cse6 .cse10 .cse12) (and .cse11 .cse2 (= ~a10~0 2) .cse6 (<= 592098 ~a1~0)) (and .cse11 .cse2 .cse6 .cse12) (and .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 (<= 221 ~a1~0)) (<= 9 ~a19~0) (and .cse13 .cse14 (<= 41 ~a1~0) .cse15 .cse2 .cse6 (<= ~a1~0 78)) (not (= 9 |old(~a19~0)|)) (and .cse15 .cse2 .cse8 .cse6 (<= (+ ~a1~0 437977) 0) .cse9) (and .cse0 (<= 3 ~a10~0) (<= 6 ~a19~0) .cse2 .cse4 .cse6 (<= ~a19~0 6) (<= ~a10~0 3)) (and .cse0 (<= ~a1~0 36) .cse15 .cse2 .cse8 .cse6 .cse9) (and .cse13 .cse14 .cse15 .cse2 .cse6 (<= 219 ~a1~0)))) [2020-10-13 08:03:22,048 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-13 08:03:22,048 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-13 08:03:22,048 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse10 (= ~a19~0 6)) (.cse11 (= ~a19~0 8)) (.cse12 (= ~a10~0 4)) (.cse1 (<= ~a19~0 7)) (.cse3 (<= 7 ~a19~0)) (.cse5 (<= 1 ~a10~0)) (.cse7 (<= ~a10~0 1)) (.cse4 (<= ~a1~0 33)) (.cse0 (<= 0 (+ ~a1~0 12))) (.cse8 (<= ~a10~0 2)) (.cse9 (<= 2 ~a10~0)) (.cse13 (<= ~a10~0 0)) (.cse14 (<= 0 ~a10~0)) (.cse15 (<= 8 ~a19~0)) (.cse2 (= 14 ~a4~0)) (.cse6 (= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse2 (<= 0 ~a1~0) .cse3 .cse8 .cse6 (<= ~a1~0 5) .cse9) (and .cse2 (= ~a10~0 0) (<= (+ ~a1~0 551894) 0) .cse6 .cse10) (and .cse1 .cse2 .cse3 .cse8 .cse6 (<= 117 ~a1~0) .cse9 (<= ~a1~0 206)) (and .cse11 (<= 331498 ~a1~0) (= ~a10~0 1) .cse2 .cse6) (and (<= (+ ~a1~0 333899) 0) .cse2 .cse6 .cse10 .cse12) (and .cse11 .cse2 (= ~a10~0 2) .cse6 (<= 592098 ~a1~0)) (and .cse11 .cse2 .cse6 .cse12) (and .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 (<= 221 ~a1~0)) (<= 9 ~a19~0) (and .cse13 .cse14 (<= 41 ~a1~0) .cse15 .cse2 .cse6 (<= ~a1~0 78)) (not (= 9 |old(~a19~0)|)) (and .cse15 .cse2 .cse8 .cse6 (<= (+ ~a1~0 437977) 0) .cse9) (and .cse0 (<= 3 ~a10~0) (<= 6 ~a19~0) .cse2 .cse4 .cse6 (<= ~a19~0 6) (<= ~a10~0 3)) (and .cse0 (<= ~a1~0 36) .cse15 .cse2 .cse8 .cse6 .cse9) (and .cse13 .cse14 .cse15 .cse2 .cse6 (<= 219 ~a1~0)))) [2020-10-13 08:03:22,048 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:03:22,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:03:22 BoogieIcfgContainer [2020-10-13 08:03:22,090 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:03:22,092 INFO L168 Benchmark]: Toolchain (without parser) took 61903.83 ms. Allocated memory was 147.8 MB in the beginning and 878.7 MB in the end (delta: 730.9 MB). Free memory was 102.5 MB in the beginning and 706.7 MB in the end (delta: -604.3 MB). Peak memory consumption was 729.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:22,093 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 08:03:22,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 873.07 ms. Allocated memory was 147.8 MB in the beginning and 208.1 MB in the end (delta: 60.3 MB). Free memory was 102.2 MB in the beginning and 172.2 MB in the end (delta: -70.0 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:22,094 INFO L168 Benchmark]: Boogie Preprocessor took 181.91 ms. Allocated memory is still 208.1 MB. Free memory was 172.2 MB in the beginning and 167.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:22,095 INFO L168 Benchmark]: RCFGBuilder took 1535.93 ms. Allocated memory was 208.1 MB in the beginning and 238.0 MB in the end (delta: 29.9 MB). Free memory was 167.3 MB in the beginning and 177.2 MB in the end (delta: -9.9 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:22,096 INFO L168 Benchmark]: TraceAbstraction took 59307.45 ms. Allocated memory was 238.0 MB in the beginning and 878.7 MB in the end (delta: 640.7 MB). Free memory was 177.2 MB in the beginning and 706.7 MB in the end (delta: -529.5 MB). Peak memory consumption was 714.3 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:22,099 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 873.07 ms. Allocated memory was 147.8 MB in the beginning and 208.1 MB in the end (delta: 60.3 MB). Free memory was 102.2 MB in the beginning and 172.2 MB in the end (delta: -70.0 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 181.91 ms. Allocated memory is still 208.1 MB. Free memory was 172.2 MB in the beginning and 167.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1535.93 ms. Allocated memory was 208.1 MB in the beginning and 238.0 MB in the end (delta: 29.9 MB). Free memory was 167.3 MB in the beginning and 177.2 MB in the end (delta: -9.9 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 59307.45 ms. Allocated memory was 238.0 MB in the beginning and 878.7 MB in the end (delta: 640.7 MB). Free memory was 177.2 MB in the beginning and 706.7 MB in the end (delta: -529.5 MB). Peak memory consumption was 714.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 202]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((((((((((((0 <= a1 + 12 && a19 <= 7) && 14 == a4) && 7 <= a19) && a1 <= 33) && 1 <= a10) && a12 == 0) && a10 <= 1) || ((((((14 == a4 && 0 <= a1) && 7 <= a19) && a10 <= 2) && a12 == 0) && a1 <= 5) && 2 <= a10)) || ((((14 == a4 && a10 == 0) && a1 + 551894 <= 0) && a12 == 0) && a19 == 6)) || (((((((a19 <= 7 && 14 == a4) && 7 <= a19) && a10 <= 2) && a12 == 0) && 117 <= a1) && 2 <= a10) && a1 <= 206)) || ((((a19 == 8 && 331498 <= a1) && a10 == 1) && 14 == a4) && a12 == 0)) || ((((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 == 6) && a10 == 4)) || ((((a19 == 8 && 14 == a4) && a10 == 2) && a12 == 0) && 592098 <= a1)) || (((a19 == 8 && 14 == a4) && a12 == 0) && a10 == 4)) || ((((((a19 <= 7 && 14 == a4) && 7 <= a19) && 1 <= a10) && a12 == 0) && a10 <= 1) && 221 <= a1)) || 9 <= a19) || ((((((a10 <= 0 && 0 <= a10) && 41 <= a1) && 8 <= a19) && 14 == a4) && a12 == 0) && a1 <= 78)) || !(9 == \old(a19))) || (((((8 <= a19 && 14 == a4) && a10 <= 2) && a12 == 0) && a1 + 437977 <= 0) && 2 <= a10)) || (((((((0 <= a1 + 12 && 3 <= a10) && 6 <= a19) && 14 == a4) && a1 <= 33) && a12 == 0) && a19 <= 6) && a10 <= 3)) || ((((((0 <= a1 + 12 && a1 <= 36) && 8 <= a19) && 14 == a4) && a10 <= 2) && a12 == 0) && 2 <= a10)) || (((((a10 <= 0 && 0 <= a10) && 8 <= a19) && 14 == a4) && a12 == 0) && 219 <= a1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 56.0s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 384 SDtfs, 3382 SDslu, 299 SDs, 0 SdLazy, 9218 SolverSat, 523 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 106 SyntacticMatches, 12 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=441occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 90 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 70 PreInvPairs, 106 NumberOfFragments, 1211 HoareAnnotationTreeSize, 70 FomulaSimplifications, 4521946 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 764 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 38.5s InterpolantComputationTime, 3194 NumberOfCodeBlocks, 3194 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3178 ConstructedInterpolants, 0 QuantifiedInterpolants, 1834354 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 1640/1660 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...