/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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/Problem14_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:41:36,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:41:36,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:41:36,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:41:36,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:41:36,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:41:36,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:41:36,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:41:36,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:41:36,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:41:36,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:41:36,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:41:36,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:41:36,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:41:36,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:41:36,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:41:36,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:41:36,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:41:36,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:41:36,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:41:36,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:41:36,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:41:36,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:41:36,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:41:36,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:41:36,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:41:36,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:41:36,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:41:36,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:41:36,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:41:36,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:41:36,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:41:36,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:41:36,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:41:36,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:41:36,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:41:36,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:41:36,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:41:36,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:41:36,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:41:36,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:41:36,869 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 [2020-10-14 21:41:36,891 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:41:36,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:41:36,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:41:36,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:41:36,893 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:41:36,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:41:36,894 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:41:36,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:41:36,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:41:36,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:41:36,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:41:36,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:41:36,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:41:36,895 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:41:36,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:41:36,895 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:41:36,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:41:36,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:41:36,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:41:36,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:41:36,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:41:36,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:41:36,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:41:36,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:41:36,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:41:36,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:41:36,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:41:36,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:41:36,898 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:41:36,898 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:41:37,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:41:37,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:41:37,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:41:37,248 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:41:37,248 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:41:37,249 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label15.c [2020-10-14 21:41:37,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a045231c9/9b4a3deccf0b429aa168bfa5189bcf96/FLAGad0cf6efb [2020-10-14 21:41:37,997 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:41:37,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label15.c [2020-10-14 21:41:38,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a045231c9/9b4a3deccf0b429aa168bfa5189bcf96/FLAGad0cf6efb [2020-10-14 21:41:38,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a045231c9/9b4a3deccf0b429aa168bfa5189bcf96 [2020-10-14 21:41:38,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:41:38,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:41:38,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:41:38,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:41:38,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:41:38,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:41:38" (1/1) ... [2020-10-14 21:41:38,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788ef5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:38, skipping insertion in model container [2020-10-14 21:41:38,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:41:38" (1/1) ... [2020-10-14 21:41:38,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:41:38,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:41:38,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:41:38,887 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:41:39,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:41:39,138 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:41:39,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:39 WrapperNode [2020-10-14 21:41:39,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:41:39,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:41:39,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:41:39,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:41:39,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:39" (1/1) ... [2020-10-14 21:41:39,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:39" (1/1) ... [2020-10-14 21:41:39,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:39" (1/1) ... [2020-10-14 21:41:39,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:39" (1/1) ... [2020-10-14 21:41:39,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:39" (1/1) ... [2020-10-14 21:41:39,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:39" (1/1) ... [2020-10-14 21:41:39,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:39" (1/1) ... [2020-10-14 21:41:39,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:41:39,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:41:39,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:41:39,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:41:39,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:39" (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 [2020-10-14 21:41:39,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:41:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:41:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:41:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:41:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:41:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:41:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:41:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:41:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:41:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:41:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:41:40,858 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:41:40,859 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:41:40,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:41:40 BoogieIcfgContainer [2020-10-14 21:41:40,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:41:40,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:41:40,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:41:40,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:41:40,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:41:38" (1/3) ... [2020-10-14 21:41:40,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5025ef63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:41:40, skipping insertion in model container [2020-10-14 21:41:40,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:41:39" (2/3) ... [2020-10-14 21:41:40,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5025ef63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:41:40, skipping insertion in model container [2020-10-14 21:41:40,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:41:40" (3/3) ... [2020-10-14 21:41:40,875 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label15.c [2020-10-14 21:41:40,887 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:41:40,895 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:41:40,912 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:41:40,943 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:41:40,943 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:41:40,943 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:41:40,943 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:41:40,944 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:41:40,944 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:41:40,944 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:41:40,944 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:41:40,972 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 21:41:40,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-14 21:41:40,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:41:40,985 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] [2020-10-14 21:41:40,985 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:41:40,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:41:40,992 INFO L82 PathProgramCache]: Analyzing trace with hash -598870286, now seen corresponding path program 1 times [2020-10-14 21:41:41,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:41:41,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010805432] [2020-10-14 21:41:41,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:41:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:41,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:41,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:41,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 21:41:41,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:41:41,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 486 [2020-10-14 21:41:41,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:41,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:41,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:41:41,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:41:41,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 21:41:41,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 21:41:41,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:41:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:41,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:41,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:41,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:41:41,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:41:41,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 21:41:41,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:41,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:41,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:41:41,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:41:41,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:41:41,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:42,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:41:42,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010805432] [2020-10-14 21:41:42,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:41:42,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 21:41:42,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789274651] [2020-10-14 21:41:42,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:41:42,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:41:42,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:41:42,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:41:42,034 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-10-14 21:41:44,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:41:44,388 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-10-14 21:41:44,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:41:44,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2020-10-14 21:41:44,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:41:44,412 INFO L225 Difference]: With dead ends: 886 [2020-10-14 21:41:44,413 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 21:41:44,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:41:44,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 21:41:44,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-10-14 21:41:44,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-14 21:41:44,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-10-14 21:41:44,526 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 71 [2020-10-14 21:41:44,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:41:44,527 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-10-14 21:41:44,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:41:44,527 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-10-14 21:41:44,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-14 21:41:44,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:41:44,535 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:41:44,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:41:44,536 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:41:44,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:41:44,536 INFO L82 PathProgramCache]: Analyzing trace with hash 96309737, now seen corresponding path program 1 times [2020-10-14 21:41:44,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:41:44,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495906800] [2020-10-14 21:41:44,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:41:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:44,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:44,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:45,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:45,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:45,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 21:41:45,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:41:45,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1357 [2020-10-14 21:41:45,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:45,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:45,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:41:45,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 21:41:45,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 21:41:45,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:46,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:41:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:46,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:46,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:46,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:41:46,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:41:46,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:41:46,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:46,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:41:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:41:46,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:41:46,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:46,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:41:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:46,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:46,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:46,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:41:46,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:41:46,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 21:41:46,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:46,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:46,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:41:46,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:41:46,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 21:41:46,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:46,175 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:41:46,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495906800] [2020-10-14 21:41:46,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:41:46,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:41:46,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066334795] [2020-10-14 21:41:46,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:41:46,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:41:46,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:41:46,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:41:46,180 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 5 states. [2020-10-14 21:41:47,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:41:47,978 INFO L93 Difference]: Finished difference Result 1668 states and 2749 transitions. [2020-10-14 21:41:47,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:41:47,979 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-10-14 21:41:47,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:41:47,989 INFO L225 Difference]: With dead ends: 1668 [2020-10-14 21:41:47,989 INFO L226 Difference]: Without dead ends: 1116 [2020-10-14 21:41:47,992 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 [2020-10-14 21:41:47,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-14 21:41:48,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 744. [2020-10-14 21:41:48,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-14 21:41:48,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1148 transitions. [2020-10-14 21:41:48,044 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1148 transitions. Word has length 140 [2020-10-14 21:41:48,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:41:48,045 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 1148 transitions. [2020-10-14 21:41:48,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:41:48,045 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1148 transitions. [2020-10-14 21:41:48,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-14 21:41:48,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:41:48,055 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:41:48,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:41:48,056 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:41:48,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:41:48,056 INFO L82 PathProgramCache]: Analyzing trace with hash -6934139, now seen corresponding path program 1 times [2020-10-14 21:41:48,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:41:48,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [725765776] [2020-10-14 21:41:48,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:41:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:48,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:48,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:48,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:49,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:49,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:49,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:41:49,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:41:49,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1658 [2020-10-14 21:41:49,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:49,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:41:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:41:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 21:41:49,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:49,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:41:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:49,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:49,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:49,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:41:49,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:41:49,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:41:49,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:49,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:49,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:41:49,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:41:49,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:41:49,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:49,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:41:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:49,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:49,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:50,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:50,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:41:50,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:41:50,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-14 21:41:50,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:50,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:50,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:41:50,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:41:50,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 21:41:50,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:50,307 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 21:41:50,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [725765776] [2020-10-14 21:41:50,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:41:50,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:41:50,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409143343] [2020-10-14 21:41:50,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:41:50,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:41:50,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:41:50,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:41:50,310 INFO L87 Difference]: Start difference. First operand 744 states and 1148 transitions. Second operand 7 states. [2020-10-14 21:41:52,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:41:52,170 INFO L93 Difference]: Finished difference Result 2074 states and 3263 transitions. [2020-10-14 21:41:52,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:41:52,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 170 [2020-10-14 21:41:52,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:41:52,181 INFO L225 Difference]: With dead ends: 2074 [2020-10-14 21:41:52,181 INFO L226 Difference]: Without dead ends: 1336 [2020-10-14 21:41:52,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:41:52,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2020-10-14 21:41:52,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 942. [2020-10-14 21:41:52,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 942 states. [2020-10-14 21:41:52,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1299 transitions. [2020-10-14 21:41:52,234 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1299 transitions. Word has length 170 [2020-10-14 21:41:52,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:41:52,234 INFO L479 AbstractCegarLoop]: Abstraction has 942 states and 1299 transitions. [2020-10-14 21:41:52,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:41:52,235 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1299 transitions. [2020-10-14 21:41:52,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-14 21:41:52,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:41:52,243 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, 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] [2020-10-14 21:41:52,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:41:52,244 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:41:52,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:41:52,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1079637810, now seen corresponding path program 1 times [2020-10-14 21:41:52,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:41:52,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353183199] [2020-10-14 21:41:52,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:41:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:52,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:52,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:52,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:52,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:54,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:56,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:57,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:57,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-14 21:41:57,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:41:57,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 21:41:57,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:57,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:41:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 21:41:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-14 21:41:57,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:57,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:41:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:57,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:57,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:57,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:41:57,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:41:57,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:41:57,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:57,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:57,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:41:57,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:41:57,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:41:57,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:57,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:41:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:57,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:57,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:57,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:41:57,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:41:57,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 21:41:57,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:57,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:41:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:41:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 21:41:57,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:41:57,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 21:41:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:41:57,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:57,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:41:57,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:41:57,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:41:57,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:41:57,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-10-14 21:41:57,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:41:57,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:41:57,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:41:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:41:57,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 21:41:57,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:41:57,936 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 142 proven. 64 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:41:57,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353183199] [2020-10-14 21:41:57,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:41:57,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:41:57,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997937867] [2020-10-14 21:41:57,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:41:57,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:41:57,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:41:57,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:41:57,939 INFO L87 Difference]: Start difference. First operand 942 states and 1299 transitions. Second operand 7 states. [2020-10-14 21:41:59,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:41:59,850 INFO L93 Difference]: Finished difference Result 2468 states and 3548 transitions. [2020-10-14 21:41:59,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:41:59,850 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 253 [2020-10-14 21:41:59,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:41:59,862 INFO L225 Difference]: With dead ends: 2468 [2020-10-14 21:41:59,862 INFO L226 Difference]: Without dead ends: 1532 [2020-10-14 21:41:59,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:41:59,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2020-10-14 21:41:59,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1320. [2020-10-14 21:41:59,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2020-10-14 21:41:59,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1803 transitions. [2020-10-14 21:41:59,915 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1803 transitions. Word has length 253 [2020-10-14 21:41:59,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:41:59,916 INFO L479 AbstractCegarLoop]: Abstraction has 1320 states and 1803 transitions. [2020-10-14 21:41:59,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:41:59,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1803 transitions. [2020-10-14 21:41:59,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-10-14 21:41:59,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:41:59,922 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:41:59,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:41:59,922 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:41:59,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:41:59,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1502863669, now seen corresponding path program 1 times [2020-10-14 21:41:59,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:41:59,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639233664] [2020-10-14 21:41:59,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:41:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:00,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:00,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:00,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:01,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:05,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:05,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-14 21:42:05,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:42:05,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 21:42:05,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:05,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-14 21:42:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 21:42:05,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:05,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:05,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:05,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:05,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:05,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:05,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:42:05,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:05,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:05,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:05,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:05,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 21:42:05,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:05,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:05,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:05,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:42:05,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:05,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 21:42:05,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:05,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:05,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:05,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:05,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 21:42:05,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:05,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 21:42:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:05,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:05,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:05,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:42:05,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:05,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-14 21:42:05,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:05,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 21:42:05,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 224 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:42:05,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639233664] [2020-10-14 21:42:05,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:05,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:42:05,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910029524] [2020-10-14 21:42:05,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:42:05,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:05,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:42:05,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:42:05,610 INFO L87 Difference]: Start difference. First operand 1320 states and 1803 transitions. Second operand 7 states. [2020-10-14 21:42:08,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:08,049 INFO L93 Difference]: Finished difference Result 3116 states and 4705 transitions. [2020-10-14 21:42:08,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:42:08,050 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 282 [2020-10-14 21:42:08,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:08,066 INFO L225 Difference]: With dead ends: 3116 [2020-10-14 21:42:08,066 INFO L226 Difference]: Without dead ends: 1802 [2020-10-14 21:42:08,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:42:08,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2020-10-14 21:42:08,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1716. [2020-10-14 21:42:08,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1716 states. [2020-10-14 21:42:08,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1716 states and 2331 transitions. [2020-10-14 21:42:08,150 INFO L78 Accepts]: Start accepts. Automaton has 1716 states and 2331 transitions. Word has length 282 [2020-10-14 21:42:08,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:08,151 INFO L479 AbstractCegarLoop]: Abstraction has 1716 states and 2331 transitions. [2020-10-14 21:42:08,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:42:08,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 2331 transitions. [2020-10-14 21:42:08,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-14 21:42:08,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:08,158 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:42:08,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:42:08,158 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:08,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:08,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1360567729, now seen corresponding path program 1 times [2020-10-14 21:42:08,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:08,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686058659] [2020-10-14 21:42:08,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:08,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:08,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:08,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:10,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:11,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:11,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 312 [2020-10-14 21:42:11,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:42:11,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3744 [2020-10-14 21:42:11,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:11,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:11,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:42:11,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:42:11,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 21:42:11,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:12,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:12,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:12,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:12,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:12,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:12,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:42:12,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:12,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:12,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:42:12,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:12,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:12,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:12,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:12,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:42:12,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:12,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-14 21:42:12,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:12,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:12,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:12,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:12,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:42:12,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:12,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-14 21:42:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:12,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:12,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:12,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:42:12,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:12,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 21:42:12,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:12,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:42:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:12,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:12,788 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 128 proven. 94 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:42:12,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686058659] [2020-10-14 21:42:12,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:12,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:42:12,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792382861] [2020-10-14 21:42:12,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:42:12,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:12,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:42:12,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:42:12,793 INFO L87 Difference]: Start difference. First operand 1716 states and 2331 transitions. Second operand 7 states. [2020-10-14 21:42:14,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:14,521 INFO L93 Difference]: Finished difference Result 3442 states and 4685 transitions. [2020-10-14 21:42:14,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:42:14,523 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 300 [2020-10-14 21:42:14,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:14,535 INFO L225 Difference]: With dead ends: 3442 [2020-10-14 21:42:14,535 INFO L226 Difference]: Without dead ends: 1732 [2020-10-14 21:42:14,540 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:42:14,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2020-10-14 21:42:14,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1718. [2020-10-14 21:42:14,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1718 states. [2020-10-14 21:42:14,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2315 transitions. [2020-10-14 21:42:14,587 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2315 transitions. Word has length 300 [2020-10-14 21:42:14,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:14,588 INFO L479 AbstractCegarLoop]: Abstraction has 1718 states and 2315 transitions. [2020-10-14 21:42:14,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:42:14,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2315 transitions. [2020-10-14 21:42:14,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-10-14 21:42:14,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:14,596 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:42:14,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:42:14,596 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:14,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:14,597 INFO L82 PathProgramCache]: Analyzing trace with hash 910153450, now seen corresponding path program 1 times [2020-10-14 21:42:14,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:14,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [716324923] [2020-10-14 21:42:14,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:14,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:14,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:15,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:15,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:19,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:19,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 345 [2020-10-14 21:42:19,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:42:19,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 21:42:19,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:19,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:19,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:42:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:42:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-14 21:42:19,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:19,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:19,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:19,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:19,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:19,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:19,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:42:19,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:19,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:19,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:19,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:19,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:42:19,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:19,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:19,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:19,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:20,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:20,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:42:20,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:42:20,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-14 21:42:20,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:20,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:20,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:20,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:20,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:42:20,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:20,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 21:42:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:20,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:20,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:20,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 21:42:20,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:20,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-14 21:42:20,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:20,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:20,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:20,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:42:20,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:20,711 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 231 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 21:42:20,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [716324923] [2020-10-14 21:42:20,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:20,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:42:20,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698300445] [2020-10-14 21:42:20,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:42:20,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:20,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:42:20,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:42:20,714 INFO L87 Difference]: Start difference. First operand 1718 states and 2315 transitions. Second operand 7 states. [2020-10-14 21:42:22,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:22,636 INFO L93 Difference]: Finished difference Result 4234 states and 5969 transitions. [2020-10-14 21:42:22,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:42:22,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 333 [2020-10-14 21:42:22,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:22,649 INFO L225 Difference]: With dead ends: 4234 [2020-10-14 21:42:22,649 INFO L226 Difference]: Without dead ends: 2522 [2020-10-14 21:42:22,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:42:22,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2020-10-14 21:42:22,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2478. [2020-10-14 21:42:22,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2478 states. [2020-10-14 21:42:22,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2478 states and 3214 transitions. [2020-10-14 21:42:22,719 INFO L78 Accepts]: Start accepts. Automaton has 2478 states and 3214 transitions. Word has length 333 [2020-10-14 21:42:22,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:22,720 INFO L479 AbstractCegarLoop]: Abstraction has 2478 states and 3214 transitions. [2020-10-14 21:42:22,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:42:22,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2478 states and 3214 transitions. [2020-10-14 21:42:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2020-10-14 21:42:22,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:22,729 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:42:22,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:42:22,730 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:22,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:22,730 INFO L82 PathProgramCache]: Analyzing trace with hash 977473753, now seen corresponding path program 1 times [2020-10-14 21:42:22,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:22,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1962733228] [2020-10-14 21:42:22,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:22,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:22,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:23,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:23,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:23,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:27,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:27,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:27,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 398 [2020-10-14 21:42:27,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:42:27,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 21:42:27,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:27,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:27,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:42:27,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:42:27,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 222 [2020-10-14 21:42:27,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:27,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:27,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:27,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:27,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:27,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:27,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:42:27,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:27,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:42:27,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:27,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:27,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:27,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:27,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:42:27,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:27,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 21:42:27,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:27,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 21:42:27,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:28,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 21:42:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:28,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:28,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:28,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:42:28,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:28,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-14 21:42:28,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:28,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:28,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:28,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:28,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:42:28,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:28,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-14 21:42:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:28,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:28,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:28,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:42:28,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:28,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:42:28,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:28,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:42:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:28,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:28,649 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 197 proven. 252 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 21:42:28,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1962733228] [2020-10-14 21:42:28,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:28,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:42:28,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151607702] [2020-10-14 21:42:28,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:42:28,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:28,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:42:28,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:42:28,652 INFO L87 Difference]: Start difference. First operand 2478 states and 3214 transitions. Second operand 8 states. [2020-10-14 21:42:30,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:30,729 INFO L93 Difference]: Finished difference Result 5176 states and 6707 transitions. [2020-10-14 21:42:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 21:42:30,730 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 384 [2020-10-14 21:42:30,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:30,741 INFO L225 Difference]: With dead ends: 5176 [2020-10-14 21:42:30,741 INFO L226 Difference]: Without dead ends: 2704 [2020-10-14 21:42:30,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-10-14 21:42:30,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2020-10-14 21:42:30,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 2666. [2020-10-14 21:42:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2666 states. [2020-10-14 21:42:30,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 3422 transitions. [2020-10-14 21:42:30,813 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 3422 transitions. Word has length 384 [2020-10-14 21:42:30,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:30,814 INFO L479 AbstractCegarLoop]: Abstraction has 2666 states and 3422 transitions. [2020-10-14 21:42:30,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:42:30,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3422 transitions. [2020-10-14 21:42:30,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2020-10-14 21:42:30,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:30,827 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:42:30,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:42:30,827 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:30,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:30,830 INFO L82 PathProgramCache]: Analyzing trace with hash 222897738, now seen corresponding path program 1 times [2020-10-14 21:42:30,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:30,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881263574] [2020-10-14 21:42:30,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:30,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:31,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:31,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:32,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:32,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:32,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:35,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:35,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 423 [2020-10-14 21:42:35,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:42:35,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 21:42:35,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:35,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:35,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:42:35,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:42:35,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 247 [2020-10-14 21:42:35,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:35,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:35,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:35,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:35,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:35,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:35,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:42:35,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:35,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:35,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:35,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:35,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:42:35,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:36,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:36,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:36,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:36,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:36,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:42:36,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:42:36,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 21:42:36,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:36,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:36,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:36,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:36,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:42:36,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:36,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 21:42:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:36,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:36,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:36,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:42:36,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:36,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-14 21:42:36,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:36,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:42:36,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:36,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-14 21:42:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:36,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:36,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:36,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:42:36,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:36,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:42:36,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:36,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:42:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:36,656 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 299 proven. 98 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-14 21:42:36,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881263574] [2020-10-14 21:42:36,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:36,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:42:36,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17333158] [2020-10-14 21:42:36,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:42:36,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:36,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:42:36,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:42:36,659 INFO L87 Difference]: Start difference. First operand 2666 states and 3422 transitions. Second operand 7 states. [2020-10-14 21:42:38,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:38,507 INFO L93 Difference]: Finished difference Result 6282 states and 8097 transitions. [2020-10-14 21:42:38,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:42:38,508 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 409 [2020-10-14 21:42:38,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:38,525 INFO L225 Difference]: With dead ends: 6282 [2020-10-14 21:42:38,525 INFO L226 Difference]: Without dead ends: 3622 [2020-10-14 21:42:38,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:42:38,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3622 states. [2020-10-14 21:42:38,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3622 to 3400. [2020-10-14 21:42:38,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3400 states. [2020-10-14 21:42:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 3400 states and 4322 transitions. [2020-10-14 21:42:38,616 INFO L78 Accepts]: Start accepts. Automaton has 3400 states and 4322 transitions. Word has length 409 [2020-10-14 21:42:38,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:38,617 INFO L479 AbstractCegarLoop]: Abstraction has 3400 states and 4322 transitions. [2020-10-14 21:42:38,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:42:38,617 INFO L276 IsEmpty]: Start isEmpty. Operand 3400 states and 4322 transitions. [2020-10-14 21:42:38,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2020-10-14 21:42:38,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:38,633 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:42:38,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:42:38,633 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:38,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:38,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1611037607, now seen corresponding path program 1 times [2020-10-14 21:42:38,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:38,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [503394061] [2020-10-14 21:42:38,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:38,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:38,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:38,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:39,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:39,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:43,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:43,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 498 [2020-10-14 21:42:43,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:42:43,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-14 21:42:43,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:43,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:43,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:43,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 194 [2020-10-14 21:42:43,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 21:42:43,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:43,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:43,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:43,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:43,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:43,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:43,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:42:43,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:43,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:43,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:43,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:43,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:43,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:43,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:42:43,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:43,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:42:43,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:43,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:43,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:43,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:43,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:43,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:43,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 21:42:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:43,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:43,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:43,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:42:43,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:43,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:42:43,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:43,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:43,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:43,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:43,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:42:43,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:43,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-14 21:42:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:43,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:43,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:43,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:42:43,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:43,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 21:42:43,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:43,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:43,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:43,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:43,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:42:43,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:44,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-14 21:42:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:44,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:44,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:44,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:42:44,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:44,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:42:44,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:44,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:44,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:44,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:42:44,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:44,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:44,268 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 445 proven. 98 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2020-10-14 21:42:44,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [503394061] [2020-10-14 21:42:44,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:44,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:42:44,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901626559] [2020-10-14 21:42:44,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:42:44,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:44,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:42:44,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:42:44,271 INFO L87 Difference]: Start difference. First operand 3400 states and 4322 transitions. Second operand 7 states. [2020-10-14 21:42:46,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:46,344 INFO L93 Difference]: Finished difference Result 7016 states and 8874 transitions. [2020-10-14 21:42:46,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:42:46,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 482 [2020-10-14 21:42:46,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:46,363 INFO L225 Difference]: With dead ends: 7016 [2020-10-14 21:42:46,363 INFO L226 Difference]: Without dead ends: 3622 [2020-10-14 21:42:46,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:42:46,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3622 states. [2020-10-14 21:42:46,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3622 to 3414. [2020-10-14 21:42:46,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3414 states. [2020-10-14 21:42:46,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3414 states to 3414 states and 4273 transitions. [2020-10-14 21:42:46,439 INFO L78 Accepts]: Start accepts. Automaton has 3414 states and 4273 transitions. Word has length 482 [2020-10-14 21:42:46,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:46,440 INFO L479 AbstractCegarLoop]: Abstraction has 3414 states and 4273 transitions. [2020-10-14 21:42:46,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:42:46,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3414 states and 4273 transitions. [2020-10-14 21:42:46,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2020-10-14 21:42:46,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:46,449 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:42:46,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:42:46,449 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:46,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:46,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1478611409, now seen corresponding path program 1 times [2020-10-14 21:42:46,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:46,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868915606] [2020-10-14 21:42:46,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:46,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:46,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:46,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:47,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:50,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:50,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:51,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:51,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 582 [2020-10-14 21:42:51,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:42:51,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 21:42:51,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:51,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:51,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:51,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-10-14 21:42:51,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:42:51,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:51,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:51,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:51,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:51,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:51,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:51,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:42:51,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:51,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:51,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:51,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:51,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:51,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:51,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:51,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:51,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:51,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:42:51,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:51,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:42:51,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:51,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:51,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:51,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:51,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:51,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:51,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 21:42:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:51,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:51,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:51,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:42:51,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:51,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 21:42:51,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:51,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:51,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:51,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:51,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:42:51,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:51,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-14 21:42:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:51,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:51,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:51,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:42:51,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:51,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-14 21:42:51,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:51,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:51,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:51,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:51,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:42:51,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:52,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-14 21:42:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:52,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:52,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:52,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:42:52,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:52,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:42:52,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:52,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:42:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:52,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:52,411 INFO L134 CoverageAnalysis]: Checked inductivity of 839 backedges. 480 proven. 98 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-10-14 21:42:52,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868915606] [2020-10-14 21:42:52,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:52,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:42:52,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235043535] [2020-10-14 21:42:52,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:42:52,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:52,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:42:52,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:42:52,413 INFO L87 Difference]: Start difference. First operand 3414 states and 4273 transitions. Second operand 7 states. [2020-10-14 21:42:54,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:54,782 INFO L93 Difference]: Finished difference Result 8716 states and 11218 transitions. [2020-10-14 21:42:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:42:54,789 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 566 [2020-10-14 21:42:54,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:54,822 INFO L225 Difference]: With dead ends: 8716 [2020-10-14 21:42:54,822 INFO L226 Difference]: Without dead ends: 5308 [2020-10-14 21:42:54,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:42:54,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5308 states. [2020-10-14 21:42:54,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5308 to 5098. [2020-10-14 21:42:54,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5098 states. [2020-10-14 21:42:54,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5098 states to 5098 states and 6318 transitions. [2020-10-14 21:42:54,950 INFO L78 Accepts]: Start accepts. Automaton has 5098 states and 6318 transitions. Word has length 566 [2020-10-14 21:42:54,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:54,951 INFO L479 AbstractCegarLoop]: Abstraction has 5098 states and 6318 transitions. [2020-10-14 21:42:54,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:42:54,951 INFO L276 IsEmpty]: Start isEmpty. Operand 5098 states and 6318 transitions. [2020-10-14 21:42:54,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2020-10-14 21:42:54,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:54,969 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:42:54,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:42:54,970 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:54,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:54,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1094011242, now seen corresponding path program 1 times [2020-10-14 21:42:54,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:54,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982858612] [2020-10-14 21:42:54,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:55,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:55,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:55,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:55,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:59,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 633 [2020-10-14 21:43:00,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:43:00,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 21:43:00,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:00,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 280 [2020-10-14 21:43:00,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:43:00,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:00,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:00,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:43:00,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:00,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:00,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:00,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:43:00,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:00,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:00,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:00,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:00,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 21:43:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:43:00,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 21:43:00,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:00,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:00,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:43:00,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:00,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-14 21:43:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:00,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 21:43:00,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:00,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:00,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:43:00,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:00,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-10-14 21:43:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:43:00,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:43:00,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:00,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:43:00,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:00,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:00,868 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 531 proven. 98 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2020-10-14 21:43:00,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982858612] [2020-10-14 21:43:00,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:00,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:43:00,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783540100] [2020-10-14 21:43:00,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:00,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:00,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:00,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:00,872 INFO L87 Difference]: Start difference. First operand 5098 states and 6318 transitions. Second operand 7 states. [2020-10-14 21:43:02,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:02,906 INFO L93 Difference]: Finished difference Result 11688 states and 14762 transitions. [2020-10-14 21:43:02,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:43:02,908 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 617 [2020-10-14 21:43:02,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:02,935 INFO L225 Difference]: With dead ends: 11688 [2020-10-14 21:43:02,935 INFO L226 Difference]: Without dead ends: 6596 [2020-10-14 21:43:02,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:43:02,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6596 states. [2020-10-14 21:43:03,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6596 to 6382. [2020-10-14 21:43:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6382 states. [2020-10-14 21:43:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6382 states to 6382 states and 8084 transitions. [2020-10-14 21:43:03,203 INFO L78 Accepts]: Start accepts. Automaton has 6382 states and 8084 transitions. Word has length 617 [2020-10-14 21:43:03,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:03,205 INFO L479 AbstractCegarLoop]: Abstraction has 6382 states and 8084 transitions. [2020-10-14 21:43:03,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:03,205 INFO L276 IsEmpty]: Start isEmpty. Operand 6382 states and 8084 transitions. [2020-10-14 21:43:03,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2020-10-14 21:43:03,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:03,223 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:43:03,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:43:03,224 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:03,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:03,224 INFO L82 PathProgramCache]: Analyzing trace with hash -418953506, now seen corresponding path program 1 times [2020-10-14 21:43:03,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:03,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334142111] [2020-10-14 21:43:03,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:03,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:03,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:03,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:05,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 711 [2020-10-14 21:43:08,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:08,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 21:43:08,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:08,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 21:43:08,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-14 21:43:08,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:08,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:08,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:43:08,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:08,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:08,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:08,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:43:08,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:08,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:08,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:43:08,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:08,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 21:43:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:43:08,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 21:43:08,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:08,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:08,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-14 21:43:08,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:08,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-14 21:43:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:43:08,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:43:08,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:08,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:43:08,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:08,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:08,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-10-14 21:43:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:08,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 21:43:08,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:08,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:43:08,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:08,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:08,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2020-10-14 21:43:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:43:08,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:43:08,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:08,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:43:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:08,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:09,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 438 proven. 327 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2020-10-14 21:43:09,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334142111] [2020-10-14 21:43:09,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:09,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:43:09,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41888461] [2020-10-14 21:43:09,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:43:09,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:09,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:43:09,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:43:09,264 INFO L87 Difference]: Start difference. First operand 6382 states and 8084 transitions. Second operand 8 states. [2020-10-14 21:43:12,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:12,214 INFO L93 Difference]: Finished difference Result 14998 states and 19511 transitions. [2020-10-14 21:43:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:43:12,218 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 693 [2020-10-14 21:43:12,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:12,246 INFO L225 Difference]: With dead ends: 14998 [2020-10-14 21:43:12,246 INFO L226 Difference]: Without dead ends: 8622 [2020-10-14 21:43:12,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 21:43:12,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8622 states. [2020-10-14 21:43:12,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8622 to 8606. [2020-10-14 21:43:12,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8606 states. [2020-10-14 21:43:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8606 states to 8606 states and 11099 transitions. [2020-10-14 21:43:12,455 INFO L78 Accepts]: Start accepts. Automaton has 8606 states and 11099 transitions. Word has length 693 [2020-10-14 21:43:12,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:12,456 INFO L479 AbstractCegarLoop]: Abstraction has 8606 states and 11099 transitions. [2020-10-14 21:43:12,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:43:12,456 INFO L276 IsEmpty]: Start isEmpty. Operand 8606 states and 11099 transitions. [2020-10-14 21:43:12,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2020-10-14 21:43:12,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:12,473 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:43:12,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:43:12,474 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:12,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:12,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1861251190, now seen corresponding path program 1 times [2020-10-14 21:43:12,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:12,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186729127] [2020-10-14 21:43:12,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:12,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:12,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:12,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:15,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:16,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:16,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:17,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:17,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:17,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 839 [2020-10-14 21:43:17,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 21:43:17,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-14 21:43:17,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:17,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:17,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:43:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 486 [2020-10-14 21:43:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 283 [2020-10-14 21:43:17,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:17,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:17,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:17,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:17,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:17,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:17,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:43:17,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:17,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:17,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:17,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:17,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:17,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:17,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:17,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:17,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:17,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:43:17,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:17,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:43:17,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:17,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:17,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:17,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:17,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:17,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:17,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 21:43:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:17,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:17,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:17,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:43:17,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:17,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:43:17,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:17,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:17,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:17,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:17,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:17,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:17,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-14 21:43:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:17,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:17,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:17,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:43:17,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:17,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:43:17,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:17,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:17,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:17,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:17,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:17,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:17,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2020-10-14 21:43:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:17,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:17,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:17,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:43:17,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:17,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:43:17,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:17,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:17,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:17,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:17,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:43:17,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:17,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2020-10-14 21:43:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:17,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:18,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:18,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:18,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:18,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 21:43:18,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:18,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:43:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:43:18,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:18,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2020-10-14 21:43:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:18,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:18,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:18,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:43:18,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:18,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 21:43:18,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:18,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:18,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:18,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:18,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 21:43:18,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:18,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1840 backedges. 1305 proven. 6 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2020-10-14 21:43:18,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186729127] [2020-10-14 21:43:18,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:18,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 21:43:18,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995667081] [2020-10-14 21:43:18,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 21:43:18,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:18,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 21:43:18,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:43:18,676 INFO L87 Difference]: Start difference. First operand 8606 states and 11099 transitions. Second operand 10 states. [2020-10-14 21:43:22,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:22,385 INFO L93 Difference]: Finished difference Result 18902 states and 24495 transitions. [2020-10-14 21:43:22,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 21:43:22,386 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 819 [2020-10-14 21:43:22,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:22,428 INFO L225 Difference]: With dead ends: 18902 [2020-10-14 21:43:22,429 INFO L226 Difference]: Without dead ends: 10484 [2020-10-14 21:43:22,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2020-10-14 21:43:22,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10484 states. [2020-10-14 21:43:22,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10484 to 10266. [2020-10-14 21:43:22,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10266 states. [2020-10-14 21:43:22,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10266 states to 10266 states and 13128 transitions. [2020-10-14 21:43:22,678 INFO L78 Accepts]: Start accepts. Automaton has 10266 states and 13128 transitions. Word has length 819 [2020-10-14 21:43:22,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:22,680 INFO L479 AbstractCegarLoop]: Abstraction has 10266 states and 13128 transitions. [2020-10-14 21:43:22,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 21:43:22,680 INFO L276 IsEmpty]: Start isEmpty. Operand 10266 states and 13128 transitions. [2020-10-14 21:43:22,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 950 [2020-10-14 21:43:22,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:22,707 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:22,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:43:22,708 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:22,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:22,709 INFO L82 PathProgramCache]: Analyzing trace with hash 480329334, now seen corresponding path program 1 times [2020-10-14 21:43:22,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:22,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064639465] [2020-10-14 21:43:22,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:22,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:22,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:23,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:23,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:27,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:27,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 971 [2020-10-14 21:43:27,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:27,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 21:43:27,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:27,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:27,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:27,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-10-14 21:43:27,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:43:27,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:27,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:27,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:27,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:27,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:27,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:27,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:43:27,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:27,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:27,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:27,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:27,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:27,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:27,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:27,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:27,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:27,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:43:27,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:27,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 21:43:27,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:27,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:27,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:27,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:27,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:27,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:27,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 21:43:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:27,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:43:28,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 21:43:28,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:28,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:28,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:43:28,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-14 21:43:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:43:28,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-14 21:43:28,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:28,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:28,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:43:28,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2020-10-14 21:43:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:43:28,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:43:28,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:28,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:43:28,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:28,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2020-10-14 21:43:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:28,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 21:43:28,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:28,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:43:28,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:28,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2020-10-14 21:43:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:43:28,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 21:43:28,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-14 21:43:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:28,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:28,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 787 [2020-10-14 21:43:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:28,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:28,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:28,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:43:28,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:28,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:43:28,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:28,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:43:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:28,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:29,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2553 backedges. 696 proven. 472 refuted. 0 times theorem prover too weak. 1385 trivial. 0 not checked. [2020-10-14 21:43:29,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064639465] [2020-10-14 21:43:29,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:29,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:43:29,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783510748] [2020-10-14 21:43:29,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:29,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:29,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:29,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:29,138 INFO L87 Difference]: Start difference. First operand 10266 states and 13128 transitions. Second operand 7 states. [2020-10-14 21:43:31,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:31,335 INFO L93 Difference]: Finished difference Result 20718 states and 26526 transitions. [2020-10-14 21:43:31,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:43:31,335 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 949 [2020-10-14 21:43:31,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:31,365 INFO L225 Difference]: With dead ends: 20718 [2020-10-14 21:43:31,365 INFO L226 Difference]: Without dead ends: 10640 [2020-10-14 21:43:31,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:43:31,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10640 states. [2020-10-14 21:43:31,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10640 to 10630. [2020-10-14 21:43:31,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10630 states. [2020-10-14 21:43:31,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10630 states to 10630 states and 13500 transitions. [2020-10-14 21:43:31,579 INFO L78 Accepts]: Start accepts. Automaton has 10630 states and 13500 transitions. Word has length 949 [2020-10-14 21:43:31,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:31,580 INFO L479 AbstractCegarLoop]: Abstraction has 10630 states and 13500 transitions. [2020-10-14 21:43:31,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:31,580 INFO L276 IsEmpty]: Start isEmpty. Operand 10630 states and 13500 transitions. [2020-10-14 21:43:31,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 952 [2020-10-14 21:43:31,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:31,606 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:31,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:43:31,607 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:31,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:31,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1434210234, now seen corresponding path program 1 times [2020-10-14 21:43:31,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:31,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035589778] [2020-10-14 21:43:31,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:31,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:31,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:32,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:33,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:36,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:36,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 973 [2020-10-14 21:43:36,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:36,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5062 [2020-10-14 21:43:36,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:36,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 21:43:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 488 [2020-10-14 21:43:36,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 306 [2020-10-14 21:43:36,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:36,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:36,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:36,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:36,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:36,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:36,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:43:36,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:36,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:36,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:36,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:36,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:36,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:37,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:37,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:37,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:37,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:37,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:37,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:43:37,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:37,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:37,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:37,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:37,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:37,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:37,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:37,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:37,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:37,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:37,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:37,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:43:37,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:37,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:37,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:37,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:37,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:37,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:37,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:43:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:37,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:37,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:37,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:43:37,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:37,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:43:37,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:37,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:37,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:37,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:37,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:37,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:37,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-14 21:43:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:37,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:37,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:37,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:43:37,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:37,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:43:37,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:37,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:37,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:37,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:37,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:43:37,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:37,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-14 21:43:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:37,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:37,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:37,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:37,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:37,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 306 [2020-10-14 21:43:37,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:37,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:37,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:43:37,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:37,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:43:37,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:37,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2020-10-14 21:43:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:37,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:38,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:38,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:38,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:43:38,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:43:38,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 409 [2020-10-14 21:43:38,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:38,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:38,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:38,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:38,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:43:38,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:38,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 789 [2020-10-14 21:43:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:38,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:38,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:38,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:43:38,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:43:38,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:38,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:43:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2602 backedges. 1366 proven. 319 refuted. 0 times theorem prover too weak. 917 trivial. 0 not checked. [2020-10-14 21:43:39,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035589778] [2020-10-14 21:43:39,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:39,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:43:39,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830305480] [2020-10-14 21:43:39,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:43:39,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:39,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:43:39,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:43:39,180 INFO L87 Difference]: Start difference. First operand 10630 states and 13500 transitions. Second operand 11 states. [2020-10-14 21:43:43,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:43,178 INFO L93 Difference]: Finished difference Result 20906 states and 26628 transitions. [2020-10-14 21:43:43,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 21:43:43,179 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 951 [2020-10-14 21:43:43,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:43,203 INFO L225 Difference]: With dead ends: 20906 [2020-10-14 21:43:43,203 INFO L226 Difference]: Without dead ends: 10464 [2020-10-14 21:43:43,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2020-10-14 21:43:43,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10464 states. [2020-10-14 21:43:43,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10464 to 10446. [2020-10-14 21:43:43,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10446 states. [2020-10-14 21:43:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10446 states to 10446 states and 13256 transitions. [2020-10-14 21:43:43,427 INFO L78 Accepts]: Start accepts. Automaton has 10446 states and 13256 transitions. Word has length 951 [2020-10-14 21:43:43,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:43,428 INFO L479 AbstractCegarLoop]: Abstraction has 10446 states and 13256 transitions. [2020-10-14 21:43:43,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:43:43,429 INFO L276 IsEmpty]: Start isEmpty. Operand 10446 states and 13256 transitions. [2020-10-14 21:43:43,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1070 [2020-10-14 21:43:43,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:43,461 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:43,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:43:43,462 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:43,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:43,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1464630398, now seen corresponding path program 1 times [2020-10-14 21:43:43,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:43,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2054564502] [2020-10-14 21:43:43,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:43,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:43,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:43,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:46,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1093 [2020-10-14 21:43:48,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:48,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 21:43:48,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 21:43:48,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 488 [2020-10-14 21:43:48,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 434 [2020-10-14 21:43:48,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:48,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:43:48,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:48,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:48,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:43:48,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:48,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:48,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:48,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:43:48,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:48,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:48,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:43:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:43:48,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:43:48,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:48,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:48,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-14 21:43:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:48,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:48,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:43:48,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:48,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:43:48,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:48,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:43:48,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-14 21:43:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:48,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:49,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:49,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:49,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:49,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-14 21:43:49,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:49,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:43:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:43:49,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:49,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2020-10-14 21:43:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:49,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:49,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:49,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:43:49,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:49,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-14 21:43:49,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:49,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:49,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:49,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:49,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 21:43:49,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:49,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 777 [2020-10-14 21:43:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:49,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:49,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:49,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:43:49,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:49,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 21:43:49,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:49,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:49,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:49,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:49,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:43:49,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:49,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2020-10-14 21:43:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:49,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:49,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:49,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:43:49,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:49,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:43:49,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:49,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:49,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:49,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:43:49,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:49,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:50,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3414 backedges. 2079 proven. 407 refuted. 0 times theorem prover too weak. 928 trivial. 0 not checked. [2020-10-14 21:43:50,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2054564502] [2020-10-14 21:43:50,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:50,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:43:50,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229465897] [2020-10-14 21:43:50,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:43:50,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:50,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:43:50,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:43:50,982 INFO L87 Difference]: Start difference. First operand 10446 states and 13256 transitions. Second operand 11 states. [2020-10-14 21:43:54,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:54,884 INFO L93 Difference]: Finished difference Result 20922 states and 26614 transitions. [2020-10-14 21:43:54,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 21:43:54,885 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1069 [2020-10-14 21:43:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:54,921 INFO L225 Difference]: With dead ends: 20922 [2020-10-14 21:43:54,921 INFO L226 Difference]: Without dead ends: 10664 [2020-10-14 21:43:54,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2020-10-14 21:43:54,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10664 states. [2020-10-14 21:43:55,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10664 to 10446. [2020-10-14 21:43:55,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10446 states. [2020-10-14 21:43:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10446 states to 10446 states and 13244 transitions. [2020-10-14 21:43:55,131 INFO L78 Accepts]: Start accepts. Automaton has 10446 states and 13244 transitions. Word has length 1069 [2020-10-14 21:43:55,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:55,132 INFO L479 AbstractCegarLoop]: Abstraction has 10446 states and 13244 transitions. [2020-10-14 21:43:55,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:43:55,132 INFO L276 IsEmpty]: Start isEmpty. Operand 10446 states and 13244 transitions. [2020-10-14 21:43:55,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1210 [2020-10-14 21:43:55,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:55,164 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:55,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:43:55,165 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:55,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:55,165 INFO L82 PathProgramCache]: Analyzing trace with hash 304485686, now seen corresponding path program 1 times [2020-10-14 21:43:55,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:55,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059306921] [2020-10-14 21:43:55,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:55,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:55,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:56,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:00,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1235 [2020-10-14 21:44:00,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:44:00,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5078 [2020-10-14 21:44:00,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:00,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:00,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:00,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:44:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:44:00,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:00,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:00,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:00,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:00,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:00,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:44:00,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:00,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:00,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:00,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:00,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:00,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:00,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:00,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:44:00,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:00,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:00,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:00,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:00,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:00,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:00,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:00,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:00,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:00,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:00,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:44:00,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:00,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:00,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:44:00,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:00,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:00,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:00,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:44:00,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:00,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 21:44:00,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:00,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:44:00,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:00,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-14 21:44:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:00,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:00,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:00,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:00,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:44:00,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:00,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:00,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:00,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:44:00,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:00,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:00,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-14 21:44:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:00,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:00,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:00,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:00,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 21:44:00,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:00,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:00,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:00,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:44:00,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:00,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:00,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2020-10-14 21:44:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:00,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:00,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:44:00,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:00,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:44:00,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:00,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:00,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:00,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-14 21:44:00,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:00,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:01,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 777 [2020-10-14 21:44:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:01,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:01,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:01,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:44:01,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:01,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:44:01,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:01,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:01,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:01,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-14 21:44:01,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:01,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:01,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2020-10-14 21:44:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:01,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:01,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:01,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:44:01,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:01,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:44:01,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:01,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:01,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:01,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-14 21:44:01,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:01,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:01,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1047 [2020-10-14 21:44:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:01,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:01,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:01,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:44:01,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:01,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:44:01,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:01,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:01,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:01,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:44:01,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:01,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:01,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4400 backedges. 842 proven. 724 refuted. 0 times theorem prover too weak. 2834 trivial. 0 not checked. [2020-10-14 21:44:01,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2059306921] [2020-10-14 21:44:01,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:01,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:01,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875940497] [2020-10-14 21:44:01,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:01,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:01,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:01,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:01,932 INFO L87 Difference]: Start difference. First operand 10446 states and 13244 transitions. Second operand 7 states. [2020-10-14 21:44:04,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:04,075 INFO L93 Difference]: Finished difference Result 20702 states and 26317 transitions. [2020-10-14 21:44:04,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:44:04,076 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1209 [2020-10-14 21:44:04,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:04,115 INFO L225 Difference]: With dead ends: 20702 [2020-10-14 21:44:04,115 INFO L226 Difference]: Without dead ends: 10444 [2020-10-14 21:44:04,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:44:04,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10444 states. [2020-10-14 21:44:04,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10444 to 10250. [2020-10-14 21:44:04,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10250 states. [2020-10-14 21:44:04,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10250 states to 10250 states and 12889 transitions. [2020-10-14 21:44:04,324 INFO L78 Accepts]: Start accepts. Automaton has 10250 states and 12889 transitions. Word has length 1209 [2020-10-14 21:44:04,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:04,325 INFO L479 AbstractCegarLoop]: Abstraction has 10250 states and 12889 transitions. [2020-10-14 21:44:04,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:04,325 INFO L276 IsEmpty]: Start isEmpty. Operand 10250 states and 12889 transitions. [2020-10-14 21:44:04,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1221 [2020-10-14 21:44:04,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:04,355 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 21:44:04,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:44:04,355 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:04,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:04,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1422773433, now seen corresponding path program 1 times [2020-10-14 21:44:04,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:04,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662795325] [2020-10-14 21:44:04,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:04,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:04,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:04,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:05,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:05,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:05,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:06,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:09,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:09,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1248 [2020-10-14 21:44:09,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 21:44:09,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5064 [2020-10-14 21:44:09,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:09,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:44:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 304 [2020-10-14 21:44:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 379 [2020-10-14 21:44:09,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:09,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:09,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:09,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:09,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:09,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:09,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:09,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:09,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:09,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:09,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:09,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:09,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:09,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:09,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:09,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:09,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:44:09,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:09,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:44:09,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:09,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:09,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:09,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:09,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:09,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 21:44:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:09,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:09,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:09,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:44:09,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:09,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:44:09,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:09,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:09,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:09,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:09,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:09,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:09,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-14 21:44:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:09,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:09,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:09,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:44:09,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:09,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:44:09,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:09,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:09,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:09,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:09,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:44:09,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:09,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2020-10-14 21:44:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:09,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:09,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:09,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:09,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:09,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:44:09,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-14 21:44:09,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:09,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 21:44:09,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:09,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-10-14 21:44:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:09,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:10,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:10,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:10,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:10,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:44:10,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 21:44:10,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:10,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:44:10,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:10,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2020-10-14 21:44:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:10,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:10,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:10,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:10,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:10,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-14 21:44:10,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:10,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:44:10,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:10,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2020-10-14 21:44:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:10,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:10,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:10,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:44:10,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:10,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:44:10,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:10,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:10,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:10,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-14 21:44:10,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:10,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:10,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 788 [2020-10-14 21:44:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:10,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:10,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:10,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:44:10,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:10,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 21:44:10,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:10,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-14 21:44:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:10,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:10,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2020-10-14 21:44:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:10,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:10,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:10,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:44:10,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:10,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:44:10,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:10,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:10,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:10,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-14 21:44:10,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:10,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:10,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1058 [2020-10-14 21:44:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:10,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:10,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:10,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:44:10,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:10,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:44:10,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:10,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:10,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:10,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:44:10,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:10,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:11,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4940 backedges. 1500 proven. 1199 refuted. 0 times theorem prover too weak. 2241 trivial. 0 not checked. [2020-10-14 21:44:11,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662795325] [2020-10-14 21:44:11,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:11,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:11,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412357178] [2020-10-14 21:44:11,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:11,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:11,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:11,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:11,397 INFO L87 Difference]: Start difference. First operand 10250 states and 12889 transitions. Second operand 7 states. [2020-10-14 21:44:14,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:14,422 INFO L93 Difference]: Finished difference Result 22348 states and 27932 transitions. [2020-10-14 21:44:14,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:44:14,423 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1220 [2020-10-14 21:44:14,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:14,443 INFO L225 Difference]: With dead ends: 22348 [2020-10-14 21:44:14,444 INFO L226 Difference]: Without dead ends: 9062 [2020-10-14 21:44:14,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:44:14,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9062 states. [2020-10-14 21:44:14,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9062 to 7602. [2020-10-14 21:44:14,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7602 states. [2020-10-14 21:44:14,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7602 states to 7602 states and 8342 transitions. [2020-10-14 21:44:14,598 INFO L78 Accepts]: Start accepts. Automaton has 7602 states and 8342 transitions. Word has length 1220 [2020-10-14 21:44:14,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:14,598 INFO L479 AbstractCegarLoop]: Abstraction has 7602 states and 8342 transitions. [2020-10-14 21:44:14,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 7602 states and 8342 transitions. [2020-10-14 21:44:14,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1320 [2020-10-14 21:44:14,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:14,624 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:14,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 21:44:14,624 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:14,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:14,625 INFO L82 PathProgramCache]: Analyzing trace with hash -2053786998, now seen corresponding path program 2 times [2020-10-14 21:44:14,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:14,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359789720] [2020-10-14 21:44:14,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:14,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:15,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:15,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:17,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:19,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:19,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1347 [2020-10-14 21:44:19,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:44:19,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5070 [2020-10-14 21:44:19,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:19,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 343 [2020-10-14 21:44:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:44:19,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:20,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:20,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:20,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:20,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:20,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:20,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:20,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:20,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:20,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:20,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:20,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:20,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:20,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:20,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:20,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:20,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:44:20,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:20,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:20,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:20,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:20,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:20,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:20,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:20,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:20,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:20,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:20,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:44:20,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:20,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:20,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:20,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:20,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:20,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:20,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:20,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:44:20,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:20,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:20,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:20,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:20,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:44:20,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:20,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 21:44:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:20,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:20,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:44:20,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:20,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 21:44:20,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:20,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:44:20,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:20,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-14 21:44:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:20,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:20,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:20,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:20,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:44:20,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:20,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:20,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:20,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:44:20,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:20,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:20,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-10-14 21:44:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:20,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:20,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:20,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:20,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:44:20,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:20,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:44:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:20,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:20,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2020-10-14 21:44:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:20,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:20,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:44:20,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:20,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:44:20,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:20,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:20,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:20,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-14 21:44:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:20,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:20,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2020-10-14 21:44:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:20,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:20,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:44:20,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:20,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:44:20,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:20,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-14 21:44:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:20,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:20,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1027 [2020-10-14 21:44:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:20,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:20,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:44:20,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:20,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:44:20,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:20,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-14 21:44:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:20,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:20,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2020-10-14 21:44:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:21,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:21,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:21,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:44:21,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:21,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:44:21,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:21,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:21,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:21,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:44:21,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:21,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:21,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5408 backedges. 1042 proven. 724 refuted. 0 times theorem prover too weak. 3642 trivial. 0 not checked. [2020-10-14 21:44:21,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359789720] [2020-10-14 21:44:21,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:21,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:21,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145986123] [2020-10-14 21:44:21,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:21,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:21,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:21,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:21,749 INFO L87 Difference]: Start difference. First operand 7602 states and 8342 transitions. Second operand 7 states. [2020-10-14 21:44:23,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:23,391 INFO L93 Difference]: Finished difference Result 15204 states and 16709 transitions. [2020-10-14 21:44:23,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:44:23,392 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1319 [2020-10-14 21:44:23,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:23,407 INFO L225 Difference]: With dead ends: 15204 [2020-10-14 21:44:23,407 INFO L226 Difference]: Without dead ends: 7974 [2020-10-14 21:44:23,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:44:23,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7974 states. [2020-10-14 21:44:23,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7974 to 7602. [2020-10-14 21:44:23,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7602 states. [2020-10-14 21:44:23,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7602 states to 7602 states and 8342 transitions. [2020-10-14 21:44:23,504 INFO L78 Accepts]: Start accepts. Automaton has 7602 states and 8342 transitions. Word has length 1319 [2020-10-14 21:44:23,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:23,505 INFO L479 AbstractCegarLoop]: Abstraction has 7602 states and 8342 transitions. [2020-10-14 21:44:23,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:23,505 INFO L276 IsEmpty]: Start isEmpty. Operand 7602 states and 8342 transitions. [2020-10-14 21:44:23,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1327 [2020-10-14 21:44:23,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:23,519 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:23,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 21:44:23,520 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:23,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:23,520 INFO L82 PathProgramCache]: Analyzing trace with hash 618798229, now seen corresponding path program 1 times [2020-10-14 21:44:23,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:23,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103173300] [2020-10-14 21:44:23,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:23,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:23,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:24,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:28,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:28,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1354 [2020-10-14 21:44:28,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:44:28,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5070 [2020-10-14 21:44:28,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:28,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:28,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:28,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 21:44:28,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:44:28,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:28,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:28,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:28,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:28,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:28,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:28,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:28,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:28,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:28,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:28,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:28,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:28,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:28,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:28,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:28,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:44:28,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:28,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:28,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:28,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:28,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:28,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:28,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:28,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:28,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:28,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:28,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:28,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:44:28,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:28,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:28,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:28,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:28,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:28,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:28,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:28,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:29,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:29,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:29,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:29,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:44:29,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:29,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:29,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:29,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 21:44:29,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:29,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:29,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:29,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:29,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:44:29,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:29,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-14 21:44:29,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:29,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:29,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:29,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:29,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:44:29,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:29,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 21:44:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:29,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:29,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:29,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:29,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:29,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:44:29,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:29,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:29,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:29,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:44:29,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:29,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:29,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-14 21:44:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:29,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:29,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:29,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:29,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:29,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:44:29,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:29,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:29,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:44:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:29,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:29,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-14 21:44:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:29,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:29,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:29,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:44:29,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:29,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:44:29,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:29,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:29,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:29,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-14 21:44:29,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:29,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:29,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 894 [2020-10-14 21:44:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:29,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:29,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:29,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:44:29,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:29,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:44:29,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:29,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:29,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:29,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-14 21:44:29,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:29,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:29,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2020-10-14 21:44:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:29,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:29,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:29,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:44:29,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:29,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:44:29,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:29,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:29,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:29,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-14 21:44:29,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:29,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:29,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1164 [2020-10-14 21:44:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:29,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:29,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:29,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:44:29,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:29,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:44:29,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:29,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:44:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:29,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:30,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5443 backedges. 1049 proven. 724 refuted. 0 times theorem prover too weak. 3670 trivial. 0 not checked. [2020-10-14 21:44:30,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103173300] [2020-10-14 21:44:30,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:30,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:30,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077817003] [2020-10-14 21:44:30,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:30,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:30,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:30,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:30,541 INFO L87 Difference]: Start difference. First operand 7602 states and 8342 transitions. Second operand 7 states. [2020-10-14 21:44:32,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:32,075 INFO L93 Difference]: Finished difference Result 15382 states and 16899 transitions. [2020-10-14 21:44:32,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:44:32,076 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1326 [2020-10-14 21:44:32,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:32,091 INFO L225 Difference]: With dead ends: 15382 [2020-10-14 21:44:32,091 INFO L226 Difference]: Without dead ends: 7970 [2020-10-14 21:44:32,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:44:32,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7970 states. [2020-10-14 21:44:32,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7970 to 7602. [2020-10-14 21:44:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7602 states. [2020-10-14 21:44:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7602 states to 7602 states and 8320 transitions. [2020-10-14 21:44:32,212 INFO L78 Accepts]: Start accepts. Automaton has 7602 states and 8320 transitions. Word has length 1326 [2020-10-14 21:44:32,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:32,213 INFO L479 AbstractCegarLoop]: Abstraction has 7602 states and 8320 transitions. [2020-10-14 21:44:32,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:32,213 INFO L276 IsEmpty]: Start isEmpty. Operand 7602 states and 8320 transitions. [2020-10-14 21:44:32,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1408 [2020-10-14 21:44:32,229 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:32,230 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:32,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 21:44:32,230 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:32,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:32,231 INFO L82 PathProgramCache]: Analyzing trace with hash -15861474, now seen corresponding path program 1 times [2020-10-14 21:44:32,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:32,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180487824] [2020-10-14 21:44:32,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:32,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:32,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:33,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:37,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:37,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1437 [2020-10-14 21:44:37,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:44:37,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5108 [2020-10-14 21:44:37,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:37,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:37,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:37,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-14 21:44:37,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 21:44:37,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:37,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:37,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:37,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:37,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:37,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:37,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:37,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:37,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:37,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:37,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:37,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:37,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:37,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:37,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:37,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:37,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:37,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:37,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:44:37,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:37,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:37,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:37,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:37,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:37,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:37,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:37,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:37,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:37,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:37,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:37,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:44:37,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:37,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:37,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:37,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:37,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:37,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:37,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:37,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:37,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:37,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:37,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:37,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:44:37,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:37,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:37,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:37,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:37,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:37,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:37,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:44:37,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:37,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:44:37,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:37,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:37,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:37,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:44:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:37,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:37,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:37,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:44:37,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:37,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:44:37,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:37,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:37,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:37,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:37,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:37,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:37,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:44:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:37,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:37,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:37,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:37,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:37,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:44:37,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:37,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:37,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:37,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:37,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:37,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:44:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:37,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:38,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:38,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:38,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:38,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-14 21:44:38,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:38,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:38,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:38,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:38,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:38,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:38,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:44:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:38,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:38,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:38,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:44:38,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:38,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:44:38,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:38,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:38,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:38,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:38,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:38,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:38,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:44:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:38,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:38,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:38,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:44:38,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:38,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 21:44:38,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:38,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:38,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:38,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:38,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:44:38,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:38,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:44:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:38,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:38,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:38,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:44:38,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:38,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-14 21:44:38,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:38,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:38,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:38,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:38,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:44:38,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:38,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2020-10-14 21:44:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:38,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:38,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:38,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 21:44:38,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:38,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:44:38,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:38,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:38,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 21:44:38,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:38,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:39,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6312 backedges. 1754 proven. 98 refuted. 0 times theorem prover too weak. 4460 trivial. 0 not checked. [2020-10-14 21:44:39,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180487824] [2020-10-14 21:44:39,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:39,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:39,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86048311] [2020-10-14 21:44:39,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:39,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:39,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:39,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:39,319 INFO L87 Difference]: Start difference. First operand 7602 states and 8320 transitions. Second operand 7 states. [2020-10-14 21:44:40,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:40,953 INFO L93 Difference]: Finished difference Result 15204 states and 16650 transitions. [2020-10-14 21:44:40,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:44:40,955 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1407 [2020-10-14 21:44:40,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:40,967 INFO L225 Difference]: With dead ends: 15204 [2020-10-14 21:44:40,967 INFO L226 Difference]: Without dead ends: 7424 [2020-10-14 21:44:40,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:44:40,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7424 states. [2020-10-14 21:44:41,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7424 to 7052. [2020-10-14 21:44:41,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7052 states. [2020-10-14 21:44:41,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7052 states to 7052 states and 7574 transitions. [2020-10-14 21:44:41,067 INFO L78 Accepts]: Start accepts. Automaton has 7052 states and 7574 transitions. Word has length 1407 [2020-10-14 21:44:41,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:41,068 INFO L479 AbstractCegarLoop]: Abstraction has 7052 states and 7574 transitions. [2020-10-14 21:44:41,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:41,068 INFO L276 IsEmpty]: Start isEmpty. Operand 7052 states and 7574 transitions. [2020-10-14 21:44:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1624 [2020-10-14 21:44:41,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:41,087 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:41,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 21:44:41,087 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:41,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:41,088 INFO L82 PathProgramCache]: Analyzing trace with hash -33015218, now seen corresponding path program 1 times [2020-10-14 21:44:41,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:41,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918193488] [2020-10-14 21:44:41,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:41,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:41,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:42,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1655 [2020-10-14 21:44:46,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:44:46,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-14 21:44:46,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:44:46,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-14 21:44:46,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 299 [2020-10-14 21:44:46,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:46,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:46,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:44:46,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:46,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:46,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:46,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:46,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:44:46,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:46,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:46,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:46,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:46,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:44:46,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:46,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:46,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:46,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:46,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:44:46,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:46,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:46,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:46,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:44:46,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:44:46,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:46,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:46,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:44:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:44:46,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:44:46,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:46,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:46,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:44:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:46,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:44:46,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:46,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:46,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:46,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:44:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:46,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:46,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:46,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:46,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:46,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:44:46,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:46,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:46,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:46,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:44:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:47,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:47,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:47,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:44:47,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:47,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:44:47,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:47,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:47,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:47,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:47,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:47,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:47,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:44:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:47,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:47,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:47,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:44:47,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:47,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:44:47,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:47,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:44:47,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:47,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:44:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:47,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:47,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:47,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:44:47,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:47,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-14 21:44:47,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:47,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-14 21:44:47,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:47,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:44:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:47,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:47,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:47,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:44:47,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:47,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-14 21:44:47,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:47,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:47,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:47,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:47,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:44:47,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:47,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1409 [2020-10-14 21:44:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:47,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:47,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:47,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-14 21:44:47,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:47,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 21:44:47,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:47,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:47,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:47,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 149 [2020-10-14 21:44:47,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:47,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:49,603 INFO L134 CoverageAnalysis]: Checked inductivity of 7897 backedges. 2853 proven. 366 refuted. 0 times theorem prover too weak. 4678 trivial. 0 not checked. [2020-10-14 21:44:49,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1918193488] [2020-10-14 21:44:49,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:49,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:44:49,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284484173] [2020-10-14 21:44:49,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:44:49,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:49,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:44:49,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:44:49,606 INFO L87 Difference]: Start difference. First operand 7052 states and 7574 transitions. Second operand 8 states. [2020-10-14 21:44:51,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:51,066 INFO L93 Difference]: Finished difference Result 14472 states and 15545 transitions. [2020-10-14 21:44:51,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:44:51,067 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1623 [2020-10-14 21:44:51,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:51,078 INFO L225 Difference]: With dead ends: 14472 [2020-10-14 21:44:51,079 INFO L226 Difference]: Without dead ends: 7426 [2020-10-14 21:44:51,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:44:51,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7426 states. [2020-10-14 21:44:51,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7426 to 7050. [2020-10-14 21:44:51,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7050 states. [2020-10-14 21:44:51,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7050 states to 7050 states and 7551 transitions. [2020-10-14 21:44:51,164 INFO L78 Accepts]: Start accepts. Automaton has 7050 states and 7551 transitions. Word has length 1623 [2020-10-14 21:44:51,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:51,166 INFO L479 AbstractCegarLoop]: Abstraction has 7050 states and 7551 transitions. [2020-10-14 21:44:51,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:44:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 7050 states and 7551 transitions. [2020-10-14 21:44:51,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1735 [2020-10-14 21:44:51,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:51,188 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:51,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 21:44:51,188 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:51,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:51,189 INFO L82 PathProgramCache]: Analyzing trace with hash 640392321, now seen corresponding path program 1 times [2020-10-14 21:44:51,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:51,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [984671614] [2020-10-14 21:44:51,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:51,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:51,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:54,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:55,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:56,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:56,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:56,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1768 [2020-10-14 21:44:56,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:44:56,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5135 [2020-10-14 21:44:56,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:56,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:44:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1544 [2020-10-14 21:44:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-14 21:44:56,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:56,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:56,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:56,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:56,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:56,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:56,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:56,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:56,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:56,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:56,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:56,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:56,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:56,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:56,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:56,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:44:56,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:56,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:56,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:56,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:56,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:56,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:56,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:56,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:56,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:56,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:44:56,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:56,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:56,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:56,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:56,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:56,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:56,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:56,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:56,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:44:56,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:56,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:56,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:56,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:56,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:56,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:56,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:56,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:56,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:44:56,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:56,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:44:56,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:56,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:56,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:56,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:56,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:56,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:56,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:44:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:56,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:56,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:56,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:44:56,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:56,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:44:56,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:56,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:56,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:56,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:56,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:44:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:56,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:56,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:56,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:56,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:56,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:44:56,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:56,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:56,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:56,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:57,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:44:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:57,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:57,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:57,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:57,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:57,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:44:57,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:57,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:57,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:57,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:57,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:57,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:57,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:44:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:57,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:57,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:57,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:44:57,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:57,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:44:57,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:57,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:57,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:57,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:44:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:57,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:57,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:57,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:44:57,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:57,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:44:57,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:57,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:57,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:57,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:57,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:57,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:57,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:44:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:57,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:57,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:57,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:44:57,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:57,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:44:57,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:57,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:57,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:57,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:44:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:57,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:57,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:57,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:44:57,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:57,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:44:57,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:57,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:57,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:57,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:57,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:57,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:57,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:44:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:57,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:57,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:57,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:44:57,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:57,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 21:44:57,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:57,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 21:44:57,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:57,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1520 [2020-10-14 21:44:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:57,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:57,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:57,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:57,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-14 21:44:57,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:44:57,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-14 21:44:57,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:57,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:57,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:57,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:57,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-14 21:44:57,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 9225 backedges. 918 proven. 13 refuted. 0 times theorem prover too weak. 8294 trivial. 0 not checked. [2020-10-14 21:44:58,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [984671614] [2020-10-14 21:44:58,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:58,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:44:58,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103976970] [2020-10-14 21:44:58,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:44:58,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:58,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:44:58,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:44:58,805 INFO L87 Difference]: Start difference. First operand 7050 states and 7551 transitions. Second operand 5 states. [2020-10-14 21:45:00,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:00,056 INFO L93 Difference]: Finished difference Result 13912 states and 14914 transitions. [2020-10-14 21:45:00,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:45:00,057 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1734 [2020-10-14 21:45:00,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:00,058 INFO L225 Difference]: With dead ends: 13912 [2020-10-14 21:45:00,058 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:45:00,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:45:00,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:45:00,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:45:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:45:00,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:45:00,071 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1734 [2020-10-14 21:45:00,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:00,072 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:45:00,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:45:00,072 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:45:00,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:45:00,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 21:45:00,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:45:02,041 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 234 [2020-10-14 21:45:02,629 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 231 [2020-10-14 21:45:04,544 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 342 DAG size of output: 80 [2020-10-14 21:45:05,672 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 232 DAG size of output: 57 [2020-10-14 21:45:06,733 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 229 DAG size of output: 57 [2020-10-14 21:45:06,738 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:45:06,738 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 21:45:06,738 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:45:06,738 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 21:45:06,739 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 21:45:06,739 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,739 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,739 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,739 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 21:45:06,739 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 21:45:06,739 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 21:45:06,739 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 21:45:06,740 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 21:45:06,740 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 21:45:06,740 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 21:45:06,740 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 21:45:06,740 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,740 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,740 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,740 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 21:45:06,741 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 21:45:06,741 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 21:45:06,741 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 21:45:06,741 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 21:45:06,741 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 21:45:06,741 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 21:45:06,741 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 21:45:06,742 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,742 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,742 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,742 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 21:45:06,742 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 21:45:06,742 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 21:45:06,742 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 21:45:06,742 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 21:45:06,742 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 21:45:06,743 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 21:45:06,743 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 21:45:06,743 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 21:45:06,743 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,743 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,743 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,743 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 21:45:06,743 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 21:45:06,743 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 21:45:06,743 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 21:45:06,744 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 21:45:06,744 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 21:45:06,744 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 21:45:06,744 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,744 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,744 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,744 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 21:45:06,744 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 21:45:06,744 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 21:45:06,745 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 21:45:06,745 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 21:45:06,745 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 21:45:06,745 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 21:45:06,745 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 21:45:06,745 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 21:45:06,745 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,745 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,745 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,746 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,746 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 21:45:06,746 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 21:45:06,746 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 21:45:06,746 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 21:45:06,746 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 21:45:06,746 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 21:45:06,746 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 21:45:06,746 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 21:45:06,747 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,747 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,747 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,747 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 21:45:06,747 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 21:45:06,747 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 21:45:06,747 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 21:45:06,747 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 21:45:06,747 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 21:45:06,748 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 21:45:06,748 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 21:45:06,748 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,748 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,748 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,748 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 21:45:06,748 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 21:45:06,748 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 21:45:06,748 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 21:45:06,749 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 21:45:06,749 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 21:45:06,749 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse13 (= 5 |old(~a15~0)|)) (.cse11 (= 5 ~a15~0)) (.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse17 (= ~a21~0 |old(~a21~0)|)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|))) (let ((.cse3 (not (<= 7 |old(~a21~0)|))) (.cse4 (not (<= |old(~a21~0)| 7))) (.cse12 (= ~a24~0 1)) (.cse8 (not (= |old(~a24~0)| 1))) (.cse9 (not (= 8 |old(~a21~0)|))) (.cse14 (and (not .cse11) .cse0 .cse17 .cse1 .cse2)) (.cse6 (not (<= (+ |old(~a12~0)| 49) 0))) (.cse15 (and .cse0 .cse17 .cse1 .cse2)) (.cse10 (not (<= |old(~a12~0)| 73282))) (.cse16 (not (<= 9 |old(~a21~0)|))) (.cse5 (and .cse11 .cse0 .cse17 .cse1)) (.cse7 (not .cse13))) (and (or (and (<= ~a21~0 7) (<= 7 ~a21~0) .cse0 .cse1 .cse2) .cse3 .cse4 (not (<= |old(~a12~0)| 76))) (or .cse5 (not (<= |old(~a21~0)| 6)) .cse6 .cse7) (or .cse8 .cse9 .cse10 (and .cse11 .cse12 (= ~a21~0 8) .cse1) .cse7) (or .cse13 .cse3 .cse4 .cse14) (or .cse8 (and (= ~a21~0 6) .cse12 .cse1 .cse2) (not (= 6 |old(~a21~0)|))) (or .cse8 .cse9 .cse13 .cse14) (or .cse15 .cse13 .cse16) (or (not (<= |old(~a24~0)| 1)) .cse5 .cse6 .cse7) (or (not (= 10 |old(~a21~0)|)) .cse15) (or .cse10 .cse16 .cse5 .cse7)))) [2020-10-14 21:45:06,749 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 21:45:06,749 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 21:45:06,749 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,749 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,750 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,750 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 21:45:06,750 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 21:45:06,750 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 21:45:06,750 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 21:45:06,750 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 21:45:06,750 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 21:45:06,750 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 21:45:06,750 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 21:45:06,750 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,751 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,751 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,751 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 21:45:06,751 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 21:45:06,751 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 21:45:06,751 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 21:45:06,751 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 21:45:06,751 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 21:45:06,751 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 21:45:06,752 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 21:45:06,752 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,752 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,752 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,752 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 21:45:06,752 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 21:45:06,752 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 21:45:06,752 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 21:45:06,752 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 21:45:06,752 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 21:45:06,753 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 21:45:06,753 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 21:45:06,753 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,753 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,753 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,753 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 21:45:06,753 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 21:45:06,753 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 21:45:06,753 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 21:45:06,753 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 21:45:06,754 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 21:45:06,754 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 21:45:06,754 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 21:45:06,754 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,754 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,754 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 21:45:06,754 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 21:45:06,754 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 21:45:06,754 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 21:45:06,754 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 21:45:06,754 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 21:45:06,755 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 21:45:06,755 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 21:45:06,755 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 199) no Hoare annotation was computed. [2020-10-14 21:45:06,755 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,755 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,755 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 21:45:06,755 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 21:45:06,755 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 21:45:06,755 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 21:45:06,755 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 21:45:06,756 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 21:45:06,756 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,756 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,756 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 21:45:06,756 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 21:45:06,756 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 21:45:06,756 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 21:45:06,756 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 21:45:06,757 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 21:45:06,757 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 21:45:06,757 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 21:45:06,757 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,757 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,757 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 21:45:06,757 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 21:45:06,757 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 21:45:06,757 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 21:45:06,758 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 21:45:06,758 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 21:45:06,758 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 21:45:06,758 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,758 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,758 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,758 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 21:45:06,758 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 21:45:06,758 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 21:45:06,758 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 21:45:06,759 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 21:45:06,759 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 21:45:06,759 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,759 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,759 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 21:45:06,759 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,759 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 21:45:06,759 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 21:45:06,759 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 21:45:06,759 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 21:45:06,760 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 21:45:06,760 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 21:45:06,760 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 21:45:06,760 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 21:45:06,760 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 21:45:06,760 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 21:45:06,760 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,760 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,760 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,760 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 21:45:06,760 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 21:45:06,761 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 21:45:06,761 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 21:45:06,761 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 21:45:06,761 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 21:45:06,761 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 21:45:06,761 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 21:45:06,761 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,761 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,761 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,761 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 21:45:06,761 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 21:45:06,761 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 21:45:06,761 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 21:45:06,762 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 21:45:06,763 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 21:45:06,763 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,763 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,763 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:45:06,763 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 21:45:06,763 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 21:45:06,763 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 21:45:06,763 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 21:45:06,763 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 21:45:06,763 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:45:06,764 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (<= (+ ~a12~0 49) 0) (= ~a15~0 8) (= ~a24~0 1)) [2020-10-14 21:45:06,764 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:45:06,764 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:45:06,764 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a15~0 8) (= ~a24~0 1) (= ~a12~0 |old(~a12~0)|)) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-10-14 21:45:06,764 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:45:06,764 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse6 (= 5 ~a15~0))) (let ((.cse0 (<= 9 ~a21~0)) (.cse3 (= ~a24~0 1)) (.cse8 (= ~a21~0 8)) (.cse2 (<= ~a12~0 73282)) (.cse7 (<= (+ ~a12~0 49) 0)) (.cse4 (<= ~a21~0 7)) (.cse5 (<= 7 ~a21~0)) (.cse1 (not .cse6))) (or (and .cse0 .cse1) (and .cse0 .cse2) (not (= |old(~a24~0)| 1)) (and (= ~a21~0 6) .cse3) (= ~a21~0 10) (not (= 8 |old(~a15~0)|)) (and .cse4 .cse5 (<= ~a12~0 76)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse6 .cse7 (<= ~a21~0 6)) (and .cse1 .cse3 .cse8) (and .cse3 .cse8 .cse2) (not (<= 7 |old(~a21~0)|)) (and .cse6 (<= ~a24~0 1) .cse7) (and .cse4 .cse5 .cse1)))) [2020-10-14 21:45:06,765 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 21:45:06,765 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 21:45:06,765 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse6 (= 5 ~a15~0))) (let ((.cse0 (<= 9 ~a21~0)) (.cse3 (= ~a24~0 1)) (.cse8 (= ~a21~0 8)) (.cse2 (<= ~a12~0 73282)) (.cse7 (<= (+ ~a12~0 49) 0)) (.cse4 (<= ~a21~0 7)) (.cse5 (<= 7 ~a21~0)) (.cse1 (not .cse6))) (or (and .cse0 .cse1) (and .cse0 .cse2) (not (= |old(~a24~0)| 1)) (and (= ~a21~0 6) .cse3) (= ~a21~0 10) (not (= 8 |old(~a15~0)|)) (and .cse4 .cse5 (<= ~a12~0 76)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse6 .cse7 (<= ~a21~0 6)) (and .cse1 .cse3 .cse8) (and .cse3 .cse8 .cse2) (not (<= 7 |old(~a21~0)|)) (and .cse6 (<= ~a24~0 1) .cse7) (and .cse4 .cse5 .cse1)))) [2020-10-14 21:45:06,765 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:45:06,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:45:06 BoogieIcfgContainer [2020-10-14 21:45:06,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:45:06,789 INFO L168 Benchmark]: Toolchain (without parser) took 208586.81 ms. Allocated memory was 146.3 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 100.8 MB in the beginning and 831.9 MB in the end (delta: -731.2 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-10-14 21:45:06,790 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 21:45:06,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 935.32 ms. Allocated memory was 146.3 MB in the beginning and 206.0 MB in the end (delta: 59.8 MB). Free memory was 100.3 MB in the beginning and 166.0 MB in the end (delta: -65.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2020-10-14 21:45:06,791 INFO L168 Benchmark]: Boogie Preprocessor took 191.33 ms. Allocated memory is still 206.0 MB. Free memory was 166.0 MB in the beginning and 160.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-10-14 21:45:06,791 INFO L168 Benchmark]: RCFGBuilder took 1534.19 ms. Allocated memory was 206.0 MB in the beginning and 239.1 MB in the end (delta: 33.0 MB). Free memory was 160.8 MB in the beginning and 154.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. [2020-10-14 21:45:06,792 INFO L168 Benchmark]: TraceAbstraction took 205920.11 ms. Allocated memory was 239.1 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 154.0 MB in the beginning and 831.9 MB in the end (delta: -677.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-10-14 21:45:06,794 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 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 935.32 ms. Allocated memory was 146.3 MB in the beginning and 206.0 MB in the end (delta: 59.8 MB). Free memory was 100.3 MB in the beginning and 166.0 MB in the end (delta: -65.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 191.33 ms. Allocated memory is still 206.0 MB. Free memory was 166.0 MB in the beginning and 160.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1534.19 ms. Allocated memory was 206.0 MB in the beginning and 239.1 MB in the end (delta: 33.0 MB). Free memory was 160.8 MB in the beginning and 154.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205920.11 ms. Allocated memory was 239.1 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 154.0 MB in the beginning and 831.9 MB in the end (delta: -677.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 199]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((((((9 <= a21 && !(5 == a15)) || (9 <= a21 && a12 <= 73282)) || !(\old(a24) == 1)) || (a21 == 6 && a24 == 1)) || a21 == 10) || !(8 == \old(a15))) || ((a21 <= 7 && 7 <= a21) && a12 <= 76)) || !(\old(a21) <= 7)) || !(\old(a12) + 49 <= 0)) || ((5 == a15 && a12 + 49 <= 0) && a21 <= 6)) || ((!(5 == a15) && a24 == 1) && a21 == 8)) || ((a24 == 1 && a21 == 8) && a12 <= 73282)) || !(7 <= \old(a21))) || ((5 == a15 && a24 <= 1) && a12 + 49 <= 0)) || ((a21 <= 7 && 7 <= a21) && !(5 == a15)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 199.1s, OverallIterations: 24, TraceHistogramMax: 14, AutomataDifference: 54.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 694 SDtfs, 14961 SDslu, 1065 SDs, 0 SdLazy, 33823 SolverSat, 4946 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 673 GetRequests, 424 SyntacticMatches, 2 SemanticMatches, 247 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10630occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 24 MinimizatonAttempts, 5642 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 738 PreInvPairs, 854 NumberOfFragments, 578 HoareAnnotationTreeSize, 738 FomulaSimplifications, 56147628 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 196191 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 127.0s InterpolantComputationTime, 18326 NumberOfCodeBlocks, 18326 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 18302 ConstructedInterpolants, 0 QuantifiedInterpolants, 40472562 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 1 PerfectInterpolantSequences, 53624/59871 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...