/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 06:07:50,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 06:07:50,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 06:07:50,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 06:07:50,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 06:07:50,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 06:07:50,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 06:07:50,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 06:07:50,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 06:07:50,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 06:07:50,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 06:07:50,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 06:07:50,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 06:07:50,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 06:07:50,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 06:07:50,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 06:07:50,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 06:07:50,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 06:07:50,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 06:07:50,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 06:07:50,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 06:07:50,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 06:07:50,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 06:07:50,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 06:07:50,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 06:07:50,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 06:07:50,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 06:07:50,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 06:07:50,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 06:07:50,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 06:07:50,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 06:07:50,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 06:07:50,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 06:07:50,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 06:07:50,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 06:07:50,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 06:07:50,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 06:07:50,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 06:07:50,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 06:07:50,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 06:07:50,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 06:07:50,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 06:07:50,767 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 06:07:50,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 06:07:50,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 06:07:50,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 06:07:50,768 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 06:07:50,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 06:07:50,769 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 06:07:50,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 06:07:50,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 06:07:50,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 06:07:50,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 06:07:50,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 06:07:50,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 06:07:50,770 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 06:07:50,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 06:07:50,770 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 06:07:50,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 06:07:50,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 06:07:50,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 06:07:50,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 06:07:50,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 06:07:50,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 06:07:50,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 06:07:50,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 06:07:50,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 06:07:50,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 06:07:50,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 06:07:50,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 06:07:50,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 06:07:50,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 06:07:51,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 06:07:51,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 06:07:51,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 06:07:51,147 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 06:07:51,148 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 06:07:51,148 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02.c [2020-10-13 06:07:51,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb6a9a1a7/254a9daceac64e359bc8f4f213e051ca/FLAGb99a69611 [2020-10-13 06:07:51,717 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 06:07:51,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label02.c [2020-10-13 06:07:51,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb6a9a1a7/254a9daceac64e359bc8f4f213e051ca/FLAGb99a69611 [2020-10-13 06:07:52,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb6a9a1a7/254a9daceac64e359bc8f4f213e051ca [2020-10-13 06:07:52,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 06:07:52,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 06:07:52,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 06:07:52,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 06:07:52,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 06:07:52,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:07:52" (1/1) ... [2020-10-13 06:07:52,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e37eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:07:52, skipping insertion in model container [2020-10-13 06:07:52,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:07:52" (1/1) ... [2020-10-13 06:07:52,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 06:07:52,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 06:07:52,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:07:52,597 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 06:07:52,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:07:52,853 INFO L208 MainTranslator]: Completed translation [2020-10-13 06:07:52,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:07:52 WrapperNode [2020-10-13 06:07:52,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 06:07:52,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 06:07:52,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 06:07:52,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 06:07:52,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:07:52" (1/1) ... [2020-10-13 06:07:52,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:07:52" (1/1) ... [2020-10-13 06:07:52,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:07:52" (1/1) ... [2020-10-13 06:07:52,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:07:52" (1/1) ... [2020-10-13 06:07:52,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:07:52" (1/1) ... [2020-10-13 06:07:52,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:07:52" (1/1) ... [2020-10-13 06:07:52,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:07:52" (1/1) ... [2020-10-13 06:07:52,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 06:07:52,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 06:07:52,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 06:07:52,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 06:07:52,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:07:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 06:07:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 06:07:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 06:07:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 06:07:53,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 06:07:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 06:07:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 06:07:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 06:07:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 06:07:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 06:07:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 06:07:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 06:07:54,153 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 06:07:54,153 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 06:07:54,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:07:54 BoogieIcfgContainer [2020-10-13 06:07:54,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 06:07:54,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 06:07:54,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 06:07:54,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 06:07:54,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:07:52" (1/3) ... [2020-10-13 06:07:54,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b2da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:07:54, skipping insertion in model container [2020-10-13 06:07:54,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:07:52" (2/3) ... [2020-10-13 06:07:54,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b2da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:07:54, skipping insertion in model container [2020-10-13 06:07:54,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:07:54" (3/3) ... [2020-10-13 06:07:54,168 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label02.c [2020-10-13 06:07:54,178 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 06:07:54,185 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 06:07:54,199 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 06:07:54,224 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 06:07:54,224 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 06:07:54,224 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 06:07:54,225 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 06:07:54,225 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 06:07:54,225 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 06:07:54,225 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 06:07:54,225 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 06:07:54,248 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-13 06:07:54,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-13 06:07:54,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:07:54,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:07:54,261 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:07:54,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:07:54,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1049075015, now seen corresponding path program 1 times [2020-10-13 06:07:54,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:07:54,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176901761] [2020-10-13 06:07:54,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:07:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:07:54,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:07:54,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:07:55,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:07:55,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 06:07:55,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:07:55,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1372 [2020-10-13 06:07:55,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:07:55,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 06:07:55,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 06:07:55,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-13 06:07:55,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 06:07:56,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:07:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:07:56,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:07:56,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:07:56,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:07:56,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:07:56,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 06:07:56,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:07:56,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:07:56,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:07:56,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 06:07:56,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:07:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:07:56,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176901761] [2020-10-13 06:07:56,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 06:07:56,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 06:07:56,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740713567] [2020-10-13 06:07:56,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 06:07:56,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:07:56,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 06:07:56,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 06:07:56,499 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 11 states. [2020-10-13 06:07:56,835 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-13 06:07:57,262 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-10-13 06:07:57,474 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2020-10-13 06:07:57,973 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2020-10-13 06:07:58,323 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-10-13 06:07:59,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:07:59,270 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-13 06:07:59,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:07:59,272 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 99 [2020-10-13 06:07:59,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:07:59,287 INFO L225 Difference]: With dead ends: 536 [2020-10-13 06:07:59,287 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:07:59,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:07:59,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:07:59,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:07:59,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:07:59,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-13 06:07:59,362 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 99 [2020-10-13 06:07:59,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:07:59,362 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-13 06:07:59,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 06:07:59,363 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-13 06:07:59,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-13 06:07:59,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:07:59,369 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:07:59,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 06:07:59,369 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:07:59,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:07:59,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1803472856, now seen corresponding path program 1 times [2020-10-13 06:07:59,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:07:59,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015034316] [2020-10-13 06:07:59,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:07:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:07:59,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:07:59,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:07:59,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:00,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:00,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 06:08:00,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:08:00,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-10-13 06:08:00,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:00,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:08:00,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 06:08:00,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 06:08:00,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:00,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:00,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:00,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:00,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:00,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:00,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:08:00,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:00,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:00,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:08:00,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:00,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:00,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:00,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 06:08:00,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:00,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:08:00,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:08:00,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:00,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 06:08:00,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:08:00,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:08:00,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015034316] [2020-10-13 06:08:00,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:00,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:08:00,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194302505] [2020-10-13 06:08:00,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:08:00,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:00,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:08:00,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:08:00,854 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-13 06:08:02,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:02,841 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-13 06:08:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 06:08:02,842 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 108 [2020-10-13 06:08:02,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:02,846 INFO L225 Difference]: With dead ends: 549 [2020-10-13 06:08:02,846 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:08:02,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-13 06:08:02,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:08:02,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:08:02,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:08:02,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-13 06:08:02,869 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 108 [2020-10-13 06:08:02,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:02,870 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-13 06:08:02,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:08:02,870 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-13 06:08:02,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-13 06:08:02,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:02,873 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:02,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 06:08:02,874 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:02,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:02,891 INFO L82 PathProgramCache]: Analyzing trace with hash -514832720, now seen corresponding path program 1 times [2020-10-13 06:08:02,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:02,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [6128483] [2020-10-13 06:08:02,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:02,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:02,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:03,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:04,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:04,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-13 06:08:04,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:08:04,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1130 [2020-10-13 06:08:04,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:04,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:08:04,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 06:08:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 06:08:04,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:04,555 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-10-13 06:08:04,700 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2020-10-13 06:08:04,877 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 44 [2020-10-13 06:08:05,060 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 40 [2020-10-13 06:08:05,224 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 36 [2020-10-13 06:08:05,391 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2020-10-13 06:08:05,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:05,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:05,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:05,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:05,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:05,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:08:05,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:05,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:05,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:08:05,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:05,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:05,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:05,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:08:05,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:05,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 06:08:05,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:05,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:08:05,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:05,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 06:08:05,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:08:05,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [6128483] [2020-10-13 06:08:05,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:05,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:08:05,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764812896] [2020-10-13 06:08:05,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:08:05,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:05,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:08:05,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:08:05,749 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-13 06:08:06,039 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 06:08:06,411 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2020-10-13 06:08:06,681 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2020-10-13 06:08:07,219 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2020-10-13 06:08:07,714 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-10-13 06:08:08,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:08,310 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-13 06:08:08,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:08:08,311 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2020-10-13 06:08:08,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:08,315 INFO L225 Difference]: With dead ends: 554 [2020-10-13 06:08:08,315 INFO L226 Difference]: Without dead ends: 327 [2020-10-13 06:08:08,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:08:08,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-13 06:08:08,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-13 06:08:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:08:08,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-13 06:08:08,340 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 112 [2020-10-13 06:08:08,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:08,341 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-13 06:08:08,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:08:08,341 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-13 06:08:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-13 06:08:08,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:08,345 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:08,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 06:08:08,346 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:08,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:08,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1059750232, now seen corresponding path program 1 times [2020-10-13 06:08:08,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:08,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142737875] [2020-10-13 06:08:08,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:08,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:08,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:08,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:08,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-13 06:08:08,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:08:08,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-13 06:08:08,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:08,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:08:08,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 06:08:08,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-13 06:08:08,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:08,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:08,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:08,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:08,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:08,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:08,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:08:08,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:08,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:08:08,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:08,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:08,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:08,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:08:08,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:08,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:08:08,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:08,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:08,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:08:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:08,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:08,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:08,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 06:08:08,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:08,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 06:08:08,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:08,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:08:08,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:08,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 06:08:08,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:08:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 06:08:09,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142737875] [2020-10-13 06:08:09,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:09,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:08:09,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837571784] [2020-10-13 06:08:09,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:08:09,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:09,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:08:09,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:08:09,149 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-13 06:08:10,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:10,194 INFO L93 Difference]: Finished difference Result 724 states and 951 transitions. [2020-10-13 06:08:10,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:08:10,196 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-10-13 06:08:10,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:10,199 INFO L225 Difference]: With dead ends: 724 [2020-10-13 06:08:10,200 INFO L226 Difference]: Without dead ends: 323 [2020-10-13 06:08:10,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:08:10,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-13 06:08:10,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 318. [2020-10-13 06:08:10,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:08:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 395 transitions. [2020-10-13 06:08:10,223 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 395 transitions. Word has length 134 [2020-10-13 06:08:10,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:10,224 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 395 transitions. [2020-10-13 06:08:10,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:08:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 395 transitions. [2020-10-13 06:08:10,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 06:08:10,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:10,228 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:10,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 06:08:10,228 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:10,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:10,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1735432249, now seen corresponding path program 1 times [2020-10-13 06:08:10,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:10,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2088336365] [2020-10-13 06:08:10,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:10,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:10,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:10,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:11,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:11,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 06:08:11,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:08:11,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 934 [2020-10-13 06:08:11,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:11,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:08:11,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 06:08:11,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 06:08:11,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:11,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:11,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:11,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:11,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:11,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:11,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:08:11,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:11,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:11,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:12,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:12,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:12,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:12,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:08:12,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:12,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-13 06:08:12,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:12,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:08:12,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:12,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 06:08:12,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:08:12,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2088336365] [2020-10-13 06:08:12,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:12,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:08:12,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320538412] [2020-10-13 06:08:12,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:08:12,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:12,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:08:12,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:08:12,252 INFO L87 Difference]: Start difference. First operand 318 states and 395 transitions. Second operand 12 states. [2020-10-13 06:08:13,864 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-10-13 06:08:14,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:14,220 INFO L93 Difference]: Finished difference Result 723 states and 948 transitions. [2020-10-13 06:08:14,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:08:14,222 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 133 [2020-10-13 06:08:14,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:14,225 INFO L225 Difference]: With dead ends: 723 [2020-10-13 06:08:14,225 INFO L226 Difference]: Without dead ends: 401 [2020-10-13 06:08:14,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:08:14,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-13 06:08:14,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 394. [2020-10-13 06:08:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:08:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 475 transitions. [2020-10-13 06:08:14,257 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 475 transitions. Word has length 133 [2020-10-13 06:08:14,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:14,258 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 475 transitions. [2020-10-13 06:08:14,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:08:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 475 transitions. [2020-10-13 06:08:14,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-13 06:08:14,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:14,267 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:14,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 06:08:14,267 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:14,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:14,268 INFO L82 PathProgramCache]: Analyzing trace with hash 2096645438, now seen corresponding path program 1 times [2020-10-13 06:08:14,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:14,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [299009448] [2020-10-13 06:08:14,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:14,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:14,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:14,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:15,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:15,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:15,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 06:08:15,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:08:15,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1406 [2020-10-13 06:08:15,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:15,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:08:15,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 06:08:15,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 06:08:15,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:08:15,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:15,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:15,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:15,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:15,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:15,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:08:15,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:15,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:15,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:15,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:15,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:15,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:15,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:15,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:15,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:08:15,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:15,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:08:15,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:15,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:15,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:15,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:15,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:15,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:08:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:15,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:15,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:15,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:08:15,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:15,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:08:15,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:08:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 06:08:15,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 06:08:15,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [299009448] [2020-10-13 06:08:15,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:15,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:08:15,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288451070] [2020-10-13 06:08:15,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:08:15,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:15,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:08:15,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:08:15,969 INFO L87 Difference]: Start difference. First operand 394 states and 475 transitions. Second operand 5 states. [2020-10-13 06:08:17,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:17,029 INFO L93 Difference]: Finished difference Result 874 states and 1106 transitions. [2020-10-13 06:08:17,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:08:17,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-10-13 06:08:17,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:17,034 INFO L225 Difference]: With dead ends: 874 [2020-10-13 06:08:17,034 INFO L226 Difference]: Without dead ends: 399 [2020-10-13 06:08:17,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:08:17,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-10-13 06:08:17,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 394. [2020-10-13 06:08:17,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:08:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 472 transitions. [2020-10-13 06:08:17,065 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 472 transitions. Word has length 141 [2020-10-13 06:08:17,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:17,065 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 472 transitions. [2020-10-13 06:08:17,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:08:17,065 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 472 transitions. [2020-10-13 06:08:17,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-13 06:08:17,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:17,069 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:17,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 06:08:17,071 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:17,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:17,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1575902499, now seen corresponding path program 1 times [2020-10-13 06:08:17,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:17,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781733871] [2020-10-13 06:08:17,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:17,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:17,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:17,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:18,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:18,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-13 06:08:18,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:08:18,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1075 [2020-10-13 06:08:18,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:08:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 06:08:18,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 06:08:18,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:18,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:18,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:18,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:18,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:18,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:18,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:08:18,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:18,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:18,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:18,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:18,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:18,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:18,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:18,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:18,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:08:18,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:18,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 06:08:18,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:18,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:08:18,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:18,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 06:08:18,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:18,795 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:08:18,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781733871] [2020-10-13 06:08:18,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:18,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:08:18,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420356966] [2020-10-13 06:08:18,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:08:18,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:18,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:08:18,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:08:18,798 INFO L87 Difference]: Start difference. First operand 394 states and 472 transitions. Second operand 12 states. [2020-10-13 06:08:21,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:21,242 INFO L93 Difference]: Finished difference Result 886 states and 1110 transitions. [2020-10-13 06:08:21,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:08:21,243 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 150 [2020-10-13 06:08:21,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:21,246 INFO L225 Difference]: With dead ends: 886 [2020-10-13 06:08:21,246 INFO L226 Difference]: Without dead ends: 498 [2020-10-13 06:08:21,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:08:21,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-10-13 06:08:21,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 477. [2020-10-13 06:08:21,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-13 06:08:21,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 561 transitions. [2020-10-13 06:08:21,265 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 561 transitions. Word has length 150 [2020-10-13 06:08:21,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:21,265 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 561 transitions. [2020-10-13 06:08:21,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:08:21,266 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 561 transitions. [2020-10-13 06:08:21,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-13 06:08:21,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:21,268 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:21,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 06:08:21,268 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:21,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:21,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1312874767, now seen corresponding path program 1 times [2020-10-13 06:08:21,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:21,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38867744] [2020-10-13 06:08:21,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:21,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:21,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:21,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:22,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:22,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-13 06:08:22,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:08:22,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1201 [2020-10-13 06:08:22,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:22,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:08:22,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-13 06:08:22,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 06:08:22,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:22,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:22,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:22,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:22,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:22,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:22,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:08:22,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:22,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:22,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:22,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:22,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:08:22,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:23,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:23,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:23,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:08:23,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:23,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 06:08:23,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:08:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 06:08:23,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:08:23,247 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:08:23,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38867744] [2020-10-13 06:08:23,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:23,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:08:23,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380086] [2020-10-13 06:08:23,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:08:23,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:23,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:08:23,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:08:23,255 INFO L87 Difference]: Start difference. First operand 477 states and 561 transitions. Second operand 12 states. [2020-10-13 06:08:25,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:25,073 INFO L93 Difference]: Finished difference Result 1040 states and 1272 transitions. [2020-10-13 06:08:25,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:08:25,074 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 156 [2020-10-13 06:08:25,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:25,078 INFO L225 Difference]: With dead ends: 1040 [2020-10-13 06:08:25,078 INFO L226 Difference]: Without dead ends: 569 [2020-10-13 06:08:25,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:08:25,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-10-13 06:08:25,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 556. [2020-10-13 06:08:25,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-13 06:08:25,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 645 transitions. [2020-10-13 06:08:25,100 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 645 transitions. Word has length 156 [2020-10-13 06:08:25,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:25,101 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 645 transitions. [2020-10-13 06:08:25,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:08:25,101 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 645 transitions. [2020-10-13 06:08:25,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-13 06:08:25,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:25,104 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:25,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 06:08:25,105 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:25,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:25,105 INFO L82 PathProgramCache]: Analyzing trace with hash 204882565, now seen corresponding path program 1 times [2020-10-13 06:08:25,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:25,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [887959350] [2020-10-13 06:08:25,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:25,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:25,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:25,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:25,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:26,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:26,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-13 06:08:26,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:08:26,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1159 [2020-10-13 06:08:26,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:08:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 06:08:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 06:08:26,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:26,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:26,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:26,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:26,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:26,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:26,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:08:26,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:26,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:26,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:26,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:26,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:08:26,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:26,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:26,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:26,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:08:26,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:26,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:08:26,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:26,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:26,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:26,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:26,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:26,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:08:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:26,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:26,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:26,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 06:08:26,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:26,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 06:08:26,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:26,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:08:26,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:26,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 06:08:26,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 06:08:26,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [887959350] [2020-10-13 06:08:26,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:26,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:08:26,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440588581] [2020-10-13 06:08:26,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:08:26,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:26,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:08:26,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:08:26,748 INFO L87 Difference]: Start difference. First operand 556 states and 645 transitions. Second operand 5 states. [2020-10-13 06:08:27,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:27,773 INFO L93 Difference]: Finished difference Result 1203 states and 1454 transitions. [2020-10-13 06:08:27,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:08:27,774 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 181 [2020-10-13 06:08:27,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:27,777 INFO L225 Difference]: With dead ends: 1203 [2020-10-13 06:08:27,777 INFO L226 Difference]: Without dead ends: 464 [2020-10-13 06:08:27,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:08:27,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-13 06:08:27,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 457. [2020-10-13 06:08:27,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-10-13 06:08:27,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 533 transitions. [2020-10-13 06:08:27,798 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 533 transitions. Word has length 181 [2020-10-13 06:08:27,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:27,798 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 533 transitions. [2020-10-13 06:08:27,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:08:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 533 transitions. [2020-10-13 06:08:27,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-13 06:08:27,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:27,803 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:27,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 06:08:27,803 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:27,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:27,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1805835475, now seen corresponding path program 1 times [2020-10-13 06:08:27,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:27,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [415498163] [2020-10-13 06:08:27,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:27,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:27,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:27,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:28,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:29,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:29,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-13 06:08:29,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:08:29,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1932 [2020-10-13 06:08:29,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:29,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:08:29,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 06:08:29,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 06:08:29,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:08:30,198 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2020-10-13 06:08:30,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:30,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:30,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:30,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:30,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:30,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:08:30,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:30,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:30,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:30,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:30,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:30,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:08:30,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:30,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:08:30,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:30,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:30,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:08:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:30,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:30,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:30,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:08:30,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:30,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 06:08:30,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:08:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 06:08:30,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:30,743 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 06:08:30,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [415498163] [2020-10-13 06:08:30,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:30,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:08:30,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984631783] [2020-10-13 06:08:30,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:08:30,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:30,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:08:30,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:08:30,745 INFO L87 Difference]: Start difference. First operand 457 states and 533 transitions. Second operand 12 states. [2020-10-13 06:08:31,270 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-13 06:08:31,599 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2020-10-13 06:08:31,877 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-10-13 06:08:32,280 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2020-10-13 06:08:32,541 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2020-10-13 06:08:33,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:33,232 INFO L93 Difference]: Finished difference Result 1000 states and 1211 transitions. [2020-10-13 06:08:33,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:08:33,233 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 192 [2020-10-13 06:08:33,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:33,236 INFO L225 Difference]: With dead ends: 1000 [2020-10-13 06:08:33,236 INFO L226 Difference]: Without dead ends: 549 [2020-10-13 06:08:33,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:08:33,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-10-13 06:08:33,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 534. [2020-10-13 06:08:33,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-13 06:08:33,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 613 transitions. [2020-10-13 06:08:33,254 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 613 transitions. Word has length 192 [2020-10-13 06:08:33,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:33,255 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 613 transitions. [2020-10-13 06:08:33,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:08:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 613 transitions. [2020-10-13 06:08:33,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-13 06:08:33,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:33,257 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:33,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 06:08:33,258 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:33,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:33,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1808493919, now seen corresponding path program 1 times [2020-10-13 06:08:33,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:33,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1738730043] [2020-10-13 06:08:33,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:33,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:33,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:33,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:33,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-13 06:08:33,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:08:33,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-13 06:08:33,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:33,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:08:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-13 06:08:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-13 06:08:33,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:33,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:33,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:33,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:33,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:33,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:33,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:08:33,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:33,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:33,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:33,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:33,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:08:33,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:33,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:33,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:33,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:08:33,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:33,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:08:33,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:33,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:33,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:08:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:33,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:33,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:33,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 06:08:33,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:33,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 06:08:33,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:33,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:08:33,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:33,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 06:08:33,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-13 06:08:33,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1738730043] [2020-10-13 06:08:33,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:33,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:08:33,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536142078] [2020-10-13 06:08:33,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:08:33,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:33,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:08:33,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:08:33,816 INFO L87 Difference]: Start difference. First operand 534 states and 613 transitions. Second operand 5 states. [2020-10-13 06:08:34,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:34,758 INFO L93 Difference]: Finished difference Result 1157 states and 1378 transitions. [2020-10-13 06:08:34,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:08:34,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 205 [2020-10-13 06:08:34,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:34,761 INFO L225 Difference]: With dead ends: 1157 [2020-10-13 06:08:34,761 INFO L226 Difference]: Without dead ends: 465 [2020-10-13 06:08:34,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:08:34,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-10-13 06:08:34,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 458. [2020-10-13 06:08:34,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-13 06:08:34,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 531 transitions. [2020-10-13 06:08:34,778 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 531 transitions. Word has length 205 [2020-10-13 06:08:34,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:34,778 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 531 transitions. [2020-10-13 06:08:34,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:08:34,778 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 531 transitions. [2020-10-13 06:08:34,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-13 06:08:34,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:34,781 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:34,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 06:08:34,781 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:34,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:34,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1998717778, now seen corresponding path program 1 times [2020-10-13 06:08:34,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:34,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110133359] [2020-10-13 06:08:34,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:34,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:34,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:35,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:35,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:35,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:36,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:36,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:37,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:38,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:38,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-13 06:08:38,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 06:08:38,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3956 [2020-10-13 06:08:38,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:08:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-13 06:08:38,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 06:08:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:39,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:39,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:39,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:39,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:39,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:39,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:08:39,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:39,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:39,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:39,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:39,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:39,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:08:39,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:39,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:08:39,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:39,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:39,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:08:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:39,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:39,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:39,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:08:39,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:39,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:08:39,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:39,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:39,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:39,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:39,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:39,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 06:08:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:39,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:39,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:39,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 06:08:39,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:39,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 06:08:39,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:39,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:08:39,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:39,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 06:08:39,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:39,346 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-13 06:08:39,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110133359] [2020-10-13 06:08:39,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:39,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:08:39,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881801851] [2020-10-13 06:08:39,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:08:39,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:39,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:08:39,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:08:39,354 INFO L87 Difference]: Start difference. First operand 458 states and 531 transitions. Second operand 13 states. [2020-10-13 06:08:41,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:41,705 INFO L93 Difference]: Finished difference Result 1152 states and 1420 transitions. [2020-10-13 06:08:41,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:08:41,705 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 212 [2020-10-13 06:08:41,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:41,709 INFO L225 Difference]: With dead ends: 1152 [2020-10-13 06:08:41,709 INFO L226 Difference]: Without dead ends: 466 [2020-10-13 06:08:41,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=159, Invalid=303, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:08:41,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-10-13 06:08:41,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 461. [2020-10-13 06:08:41,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-13 06:08:41,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 542 transitions. [2020-10-13 06:08:41,725 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 542 transitions. Word has length 212 [2020-10-13 06:08:41,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:41,725 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 542 transitions. [2020-10-13 06:08:41,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:08:41,725 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 542 transitions. [2020-10-13 06:08:41,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-13 06:08:41,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:41,727 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:41,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 06:08:41,728 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:41,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:41,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1647516247, now seen corresponding path program 1 times [2020-10-13 06:08:41,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:41,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990763549] [2020-10-13 06:08:41,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:41,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:41,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:41,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:42,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:44,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:44,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-13 06:08:44,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:08:44,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2327 [2020-10-13 06:08:44,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:44,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:08:44,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 06:08:44,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 06:08:44,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:44,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:44,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:44,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:44,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:44,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:44,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:08:44,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:44,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:44,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:44,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:44,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:44,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:08:44,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:44,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:08:44,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:44,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:44,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:44,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:44,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:08:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:44,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:44,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:44,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:08:44,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:44,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 06:08:44,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:08:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 06:08:44,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:44,664 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-13 06:08:44,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990763549] [2020-10-13 06:08:44,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:44,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:08:44,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990685740] [2020-10-13 06:08:44,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:08:44,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:44,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:08:44,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:08:44,667 INFO L87 Difference]: Start difference. First operand 461 states and 542 transitions. Second operand 12 states. [2020-10-13 06:08:45,376 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2020-10-13 06:08:45,568 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-10-13 06:08:45,773 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-10-13 06:08:45,954 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2020-10-13 06:08:46,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:46,373 INFO L93 Difference]: Finished difference Result 954 states and 1141 transitions. [2020-10-13 06:08:46,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:08:46,378 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 227 [2020-10-13 06:08:46,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:46,381 INFO L225 Difference]: With dead ends: 954 [2020-10-13 06:08:46,381 INFO L226 Difference]: Without dead ends: 499 [2020-10-13 06:08:46,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:08:46,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-10-13 06:08:46,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 496. [2020-10-13 06:08:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-10-13 06:08:46,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 584 transitions. [2020-10-13 06:08:46,401 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 584 transitions. Word has length 227 [2020-10-13 06:08:46,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:46,402 INFO L479 AbstractCegarLoop]: Abstraction has 496 states and 584 transitions. [2020-10-13 06:08:46,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:08:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 584 transitions. [2020-10-13 06:08:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-13 06:08:46,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:46,404 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:46,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 06:08:46,405 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:46,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:46,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1029568902, now seen corresponding path program 1 times [2020-10-13 06:08:46,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:46,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1635094340] [2020-10-13 06:08:46,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:46,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:46,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:46,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:46,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:47,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:47,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:47,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-13 06:08:47,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 06:08:47,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1334 [2020-10-13 06:08:47,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:47,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:08:47,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-13 06:08:47,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-13 06:08:47,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:47,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:47,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:47,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:47,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:47,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:47,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:08:47,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:47,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:47,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:47,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:47,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:47,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:08:47,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:47,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:08:47,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:47,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:47,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:08:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:47,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:47,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:47,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:08:47,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:47,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 06:08:47,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:47,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:47,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:47,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:47,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:47,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:08:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:47,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:47,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:47,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 06:08:47,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:47,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:08:47,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:47,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:08:47,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:47,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 06:08:47,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 136 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-13 06:08:48,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1635094340] [2020-10-13 06:08:48,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:48,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:08:48,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321059668] [2020-10-13 06:08:48,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:08:48,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:48,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:08:48,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:08:48,069 INFO L87 Difference]: Start difference. First operand 496 states and 584 transitions. Second operand 5 states. [2020-10-13 06:08:49,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:49,031 INFO L93 Difference]: Finished difference Result 1072 states and 1304 transitions. [2020-10-13 06:08:49,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:08:49,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 241 [2020-10-13 06:08:49,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:49,040 INFO L225 Difference]: With dead ends: 1072 [2020-10-13 06:08:49,041 INFO L226 Difference]: Without dead ends: 499 [2020-10-13 06:08:49,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:08:49,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-10-13 06:08:49,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 496. [2020-10-13 06:08:49,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-10-13 06:08:49,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 579 transitions. [2020-10-13 06:08:49,059 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 579 transitions. Word has length 241 [2020-10-13 06:08:49,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:49,060 INFO L479 AbstractCegarLoop]: Abstraction has 496 states and 579 transitions. [2020-10-13 06:08:49,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:08:49,060 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 579 transitions. [2020-10-13 06:08:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-13 06:08:49,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:49,062 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:49,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 06:08:49,063 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:49,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:49,063 INFO L82 PathProgramCache]: Analyzing trace with hash 68551886, now seen corresponding path program 1 times [2020-10-13 06:08:49,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:49,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75724484] [2020-10-13 06:08:49,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:49,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:49,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:49,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:49,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:49,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:50,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:50,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:50,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:53,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:53,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-13 06:08:53,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 06:08:53,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3975 [2020-10-13 06:08:53,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:08:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-13 06:08:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-13 06:08:53,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:53,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:53,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:53,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:53,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:53,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:53,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:08:53,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:53,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:53,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:53,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:53,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:53,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:53,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:53,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:53,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:08:53,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:53,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:08:53,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:53,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:53,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:53,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:53,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:53,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:08:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:53,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:53,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:53,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:08:53,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:53,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:08:53,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:53,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:53,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:53,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:53,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:53,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:08:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:53,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:54,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:54,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 06:08:54,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:54,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 06:08:54,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:54,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:08:54,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:54,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 06:08:54,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 141 proven. 3 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 06:08:54,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75724484] [2020-10-13 06:08:54,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:54,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:08:54,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406118735] [2020-10-13 06:08:54,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:08:54,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:54,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:08:54,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:08:54,418 INFO L87 Difference]: Start difference. First operand 496 states and 579 transitions. Second operand 13 states. [2020-10-13 06:08:55,437 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2020-10-13 06:08:55,701 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2020-10-13 06:08:56,156 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2020-10-13 06:08:56,594 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2020-10-13 06:08:57,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:57,608 INFO L93 Difference]: Finished difference Result 1366 states and 1675 transitions. [2020-10-13 06:08:57,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:08:57,608 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 248 [2020-10-13 06:08:57,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:57,613 INFO L225 Difference]: With dead ends: 1366 [2020-10-13 06:08:57,613 INFO L226 Difference]: Without dead ends: 875 [2020-10-13 06:08:57,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=146, Invalid=316, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:08:57,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2020-10-13 06:08:57,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 867. [2020-10-13 06:08:57,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-13 06:08:57,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1000 transitions. [2020-10-13 06:08:57,637 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1000 transitions. Word has length 248 [2020-10-13 06:08:57,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:57,638 INFO L479 AbstractCegarLoop]: Abstraction has 867 states and 1000 transitions. [2020-10-13 06:08:57,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:08:57,638 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1000 transitions. [2020-10-13 06:08:57,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-13 06:08:57,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:57,641 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:57,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 06:08:57,641 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:57,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:57,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1358096921, now seen corresponding path program 1 times [2020-10-13 06:08:57,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:57,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1436492560] [2020-10-13 06:08:57,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:57,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:57,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:58,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:58,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-13 06:08:58,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:08:58,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 618 [2020-10-13 06:08:58,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:58,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:08:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-13 06:08:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 06:08:58,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:08:58,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:08:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:58,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:58,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:58,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:08:58,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:58,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:08:58,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:58,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:58,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:08:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:58,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:58,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:58,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:08:58,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:58,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:08:58,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:58,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:58,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:08:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:58,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:58,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:58,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:08:58,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:58,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 06:08:58,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:08:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:08:58,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 06:08:58,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:08:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:58,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:58,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:08:58,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 06:08:58,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:08:58,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 06:08:58,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:08:58,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:08:58,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:08:58,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 06:08:58,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:08:58,897 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-13 06:08:58,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1436492560] [2020-10-13 06:08:58,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:08:58,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:08:58,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242101484] [2020-10-13 06:08:58,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:08:58,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:08:58,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:08:58,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:08:58,899 INFO L87 Difference]: Start difference. First operand 867 states and 1000 transitions. Second operand 5 states. [2020-10-13 06:08:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:08:59,815 INFO L93 Difference]: Finished difference Result 1819 states and 2146 transitions. [2020-10-13 06:08:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:08:59,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 253 [2020-10-13 06:08:59,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:08:59,828 INFO L225 Difference]: With dead ends: 1819 [2020-10-13 06:08:59,829 INFO L226 Difference]: Without dead ends: 872 [2020-10-13 06:08:59,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:08:59,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-10-13 06:08:59,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 867. [2020-10-13 06:08:59,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-13 06:08:59,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 985 transitions. [2020-10-13 06:08:59,864 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 985 transitions. Word has length 253 [2020-10-13 06:08:59,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:08:59,864 INFO L479 AbstractCegarLoop]: Abstraction has 867 states and 985 transitions. [2020-10-13 06:08:59,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:08:59,865 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 985 transitions. [2020-10-13 06:08:59,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-13 06:08:59,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:08:59,867 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:08:59,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 06:08:59,868 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:08:59,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:08:59,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1647448053, now seen corresponding path program 1 times [2020-10-13 06:08:59,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:08:59,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1411372809] [2020-10-13 06:08:59,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:08:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:08:59,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:08:59,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:00,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:00,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:01,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:01,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:09:01,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-13 06:09:01,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 06:09:01,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1506 [2020-10-13 06:09:01,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:09:01,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:09:01,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-13 06:09:01,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 06:09:01,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:09:01,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:09:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:09:01,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:01,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:09:01,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:09:01,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:09:01,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:09:01,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:09:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:09:01,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:09:01,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:09:01,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:09:01,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:09:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:09:01,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:01,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:09:01,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:09:01,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:09:01,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:09:01,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:09:01,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:09:01,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:09:01,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:09:01,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:09:01,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:09:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:09:01,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:01,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:09:01,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:09:01,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:09:01,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:09:01,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:09:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:09:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:09:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:09:01,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:09:01,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:09:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:09:01,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:01,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:09:01,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 06:09:01,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:09:01,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:09:01,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:09:01,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:09:01,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:09:01,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 06:09:01,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:09:01,697 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-13 06:09:01,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1411372809] [2020-10-13 06:09:01,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:09:01,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:09:01,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883585839] [2020-10-13 06:09:01,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:09:01,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:09:01,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:09:01,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:09:01,700 INFO L87 Difference]: Start difference. First operand 867 states and 985 transitions. Second operand 5 states. [2020-10-13 06:09:02,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:09:02,596 INFO L93 Difference]: Finished difference Result 1817 states and 2108 transitions. [2020-10-13 06:09:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:09:02,596 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 258 [2020-10-13 06:09:02,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:09:02,600 INFO L225 Difference]: With dead ends: 1817 [2020-10-13 06:09:02,600 INFO L226 Difference]: Without dead ends: 872 [2020-10-13 06:09:02,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:09:02,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-10-13 06:09:02,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 867. [2020-10-13 06:09:02,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-13 06:09:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 972 transitions. [2020-10-13 06:09:02,623 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 972 transitions. Word has length 258 [2020-10-13 06:09:02,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:09:02,624 INFO L479 AbstractCegarLoop]: Abstraction has 867 states and 972 transitions. [2020-10-13 06:09:02,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:09:02,624 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 972 transitions. [2020-10-13 06:09:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-13 06:09:02,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:09:02,628 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:09:02,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 06:09:02,628 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:09:02,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:09:02,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1354209972, now seen corresponding path program 1 times [2020-10-13 06:09:02,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:09:02,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1154584177] [2020-10-13 06:09:02,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:09:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:09:02,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:02,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:02,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:03,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:03,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:03,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:03,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:05,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:09:05,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 329 [2020-10-13 06:09:05,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 06:09:05,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2804 [2020-10-13 06:09:05,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:09:05,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:09:05,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-10-13 06:09:05,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:09:05,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:09:05,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:09:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:09:05,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:05,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:09:05,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:09:05,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:09:05,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:09:05,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:09:05,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:09:05,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:09:05,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:09:05,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:09:05,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:09:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:09:05,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:05,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:09:05,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:09:05,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:09:05,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:09:05,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:09:05,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:09:05,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:09:05,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:09:05,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:09:05,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:09:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:09:05,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:05,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:09:05,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:09:05,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:09:05,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:09:05,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:09:05,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:09:05,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:09:05,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:09:05,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:09:05,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:09:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:09:05,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:05,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:09:05,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 06:09:05,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:09:05,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 06:09:05,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:09:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:09:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:09:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 06:09:05,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:09:05,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 06:09:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:09:05,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:09:05,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:09:05,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 06:09:05,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:09:05,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 06:09:05,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:09:05,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:09:05,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 06:09:05,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:09:05,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:09:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 336 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-13 06:09:05,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1154584177] [2020-10-13 06:09:05,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:09:05,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 06:09:05,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388033090] [2020-10-13 06:09:05,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 06:09:05,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:09:05,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 06:09:05,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:09:05,863 INFO L87 Difference]: Start difference. First operand 867 states and 972 transitions. Second operand 7 states. [2020-10-13 06:09:06,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:09:06,590 INFO L93 Difference]: Finished difference Result 1260 states and 1389 transitions. [2020-10-13 06:09:06,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 06:09:06,591 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 313 [2020-10-13 06:09:06,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:09:06,592 INFO L225 Difference]: With dead ends: 1260 [2020-10-13 06:09:06,592 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 06:09:06,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 06:09:06,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 06:09:06,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 06:09:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 06:09:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 06:09:06,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 313 [2020-10-13 06:09:06,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:09:06,595 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 06:09:06,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 06:09:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 06:09:06,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 06:09:06,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 06:09:06,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 06:09:07,620 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 147 [2020-10-13 06:09:08,504 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 167 [2020-10-13 06:09:10,883 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 260 DAG size of output: 191 [2020-10-13 06:09:11,417 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 85 [2020-10-13 06:09:12,046 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 112 [2020-10-13 06:09:12,050 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:09:12,051 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-13 06:09:12,051 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:09:12,051 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,051 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,051 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,051 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,052 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,052 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-13 06:09:12,052 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-13 06:09:12,052 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-13 06:09:12,052 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-13 06:09:12,052 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-13 06:09:12,052 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-13 06:09:12,053 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-13 06:09:12,053 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-13 06:09:12,053 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-13 06:09:12,053 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-13 06:09:12,053 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:09:12,053 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:09:12,053 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-13 06:09:12,053 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,054 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,054 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,054 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,054 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-13 06:09:12,054 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,054 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-13 06:09:12,054 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-13 06:09:12,054 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-13 06:09:12,054 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-13 06:09:12,054 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-13 06:09:12,054 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-13 06:09:12,055 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-13 06:09:12,055 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:09:12,055 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:09:12,055 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-13 06:09:12,055 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-13 06:09:12,055 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-13 06:09:12,055 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:09:12,055 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:09:12,056 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-13 06:09:12,056 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,056 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,056 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,056 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,056 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,056 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2020-10-13 06:09:12,057 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:09:12,057 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-13 06:09:12,057 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:09:12,057 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-13 06:09:12,057 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-13 06:09:12,057 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-13 06:09:12,057 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-13 06:09:12,057 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-13 06:09:12,058 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-13 06:09:12,058 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-13 06:09:12,058 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-13 06:09:12,058 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,058 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,058 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,058 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,058 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,058 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-13 06:09:12,059 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-13 06:09:12,059 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-13 06:09:12,059 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-13 06:09:12,059 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-13 06:09:12,059 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-13 06:09:12,059 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-13 06:09:12,059 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-13 06:09:12,059 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-13 06:09:12,059 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-13 06:09:12,060 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-13 06:09:12,060 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-13 06:09:12,060 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-13 06:09:12,060 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,060 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,060 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,060 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,060 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,060 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-13 06:09:12,061 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-13 06:09:12,061 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-13 06:09:12,061 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-13 06:09:12,061 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-13 06:09:12,061 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-13 06:09:12,061 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-13 06:09:12,061 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-13 06:09:12,061 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-13 06:09:12,061 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-13 06:09:12,061 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:09:12,062 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-13 06:09:12,063 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-13 06:09:12,064 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-13 06:09:12,065 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-13 06:09:12,066 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-13 06:09:12,066 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-13 06:09:12,066 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-13 06:09:12,066 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-13 06:09:12,066 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-13 06:09:12,066 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,066 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,066 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,067 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse14 (= ~a25~0 1)) (.cse34 (= ~a28~0 10)) (.cse32 (= |old(~a19~0)| 1)) (.cse2 (= |old(~a25~0)| 1)) (.cse4 (= |old(~a11~0)| 1)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse6 (= ~a25~0 |old(~a25~0)|)) (.cse7 (= ~a17~0 8)) (.cse8 (= 7 ~a28~0)) (.cse16 (= ~a19~0 |old(~a19~0)|))) (let ((.cse20 (not (<= 7 |old(~a17~0)|))) (.cse22 (not (<= |old(~a17~0)| 7))) (.cse24 (<= 7 ~a17~0)) (.cse26 (<= ~a17~0 7)) (.cse17 (and .cse5 .cse6 .cse7 .cse8 .cse16)) (.cse10 (not (= 7 |old(~a28~0)|))) (.cse18 (not (<= |old(~a19~0)| 1))) (.cse19 (not (<= |old(~a11~0)| 1))) (.cse21 (not (<= 1 |old(~a19~0)|))) (.cse23 (<= 1 ~a11~0)) (.cse25 (<= ~a11~0 1)) (.cse27 (not (<= 1 |old(~a11~0)|))) (.cse35 (not (<= |old(~a17~0)| 8))) (.cse31 (not (<= |old(~a19~0)| 0))) (.cse30 (not (<= |old(~a25~0)| 0))) (.cse0 (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6)))) (.cse15 (= ~a28~0 9)) (.cse1 (not (= 0 |old(~a19~0)|))) (.cse13 (not (= 9 |old(~a28~0)|))) (.cse33 (not .cse4)) (.cse11 (not .cse2)) (.cse28 (not (= 10 |old(~a28~0)|))) (.cse12 (not .cse32)) (.cse3 (not (= 8 |old(~a17~0)|))) (.cse29 (and .cse5 .cse7 .cse14 .cse16 .cse34)) (.cse9 (not (= ~a21~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and (= ~a19~0 0) .cse5 .cse6 .cse7 .cse8) .cse9 .cse10) (or .cse11 .cse12 .cse3 .cse13 .cse9 (and .cse5 .cse7 .cse14 .cse15 .cse16)) (or .cse0 .cse12 (not (= 0 |old(~a11~0)|)) .cse17 .cse3 .cse9 .cse10 (not (= |old(~a11~0)| |old(~a25~0)|))) (or (not (<= |old(~a25~0)| 1)) (not (<= |old(~a28~0)| 7)) .cse18 .cse19 .cse20 .cse21 .cse22 (not (<= 7 |old(~a28~0)|)) (and .cse23 .cse24 (<= 1 ~a25~0) (<= 7 ~a28~0) .cse25 (<= ~a28~0 7) (<= ~a25~0 1) .cse26 .cse16) .cse9 .cse27 (not (<= 1 |old(~a25~0)|))) (or .cse11 .cse28 .cse1 .cse3 .cse4 .cse29 .cse9 (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1))))) (or .cse19 (not (<= |old(~a28~0)| 10)) .cse20 .cse22 .cse30 (not (<= 10 |old(~a28~0)|)) .cse9 .cse27 (and .cse23 .cse24 (<= 10 ~a28~0) .cse6 .cse25 (<= ~a28~0 10) .cse26 .cse16) .cse31) (or .cse32 .cse17 .cse3 (not (= 0 |old(~a25~0)|)) .cse9 .cse10 .cse33) (or .cse0 .cse28 .cse12 .cse3 .cse4 .cse9 (and .cse5 .cse6 .cse7 .cse16 .cse34)) (or .cse18 .cse35 .cse19 (not (<= 8 |old(~a17~0)|)) .cse21 (and (= ~a17~0 |old(~a17~0)|) .cse23 (<= 9 ~a28~0) .cse6 .cse25 (<= ~a28~0 9) .cse16) .cse30 (not (<= |old(~a28~0)| 9)) .cse9 .cse27 (not (<= 9 |old(~a28~0)|))) (or .cse0 .cse35 (not (< 7 |old(~a28~0)|)) (not (<= |old(~a28~0)| 8)) (and (not (<= 2 |old(~a19~0)|)) .cse31) .cse30 .cse9 (and (not (<= 2 |old(~a11~0)|)) (not (<= |old(~a11~0)| 0))) (not (< 7 |old(~a17~0)|)) (and .cse5 .cse6 (<= ~a28~0 8) (<= ~a17~0 8) (< 7 ~a17~0) (< 7 ~a28~0) .cse16)) (or .cse11 .cse12 (and (= ~a28~0 |old(~a28~0)|) .cse5 .cse7 .cse14 .cse16) .cse3 .cse4 .cse9) (or .cse0 .cse12 .cse3 .cse4 .cse13 .cse9 (and .cse5 .cse6 .cse7 .cse15 .cse16)) (or .cse11 (not (= 7 |old(~a17~0)|)) (and (= 7 ~a17~0) .cse5 .cse14 .cse15 .cse16) .cse1 .cse13 .cse9 .cse33) (or .cse11 .cse28 .cse12 .cse3 .cse29 .cse9)))) [2020-10-13 06:09:12,067 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,067 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,067 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,067 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-13 06:09:12,067 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-13 06:09:12,067 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-13 06:09:12,067 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-13 06:09:12,067 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-13 06:09:12,067 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-13 06:09:12,067 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-13 06:09:12,067 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-13 06:09:12,067 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-13 06:09:12,067 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-13 06:09:12,068 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,069 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:09:12,070 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-13 06:09:12,070 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-13 06:09:12,070 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-13 06:09:12,070 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-13 06:09:12,070 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-13 06:09:12,070 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-13 06:09:12,070 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-13 06:09:12,070 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-13 06:09:12,070 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-13 06:09:12,070 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-13 06:09:12,070 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-13 06:09:12,070 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:09:12,071 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-13 06:09:12,071 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:09:12,071 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-13 06:09:12,071 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:09:12,071 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:09:12,071 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-13 06:09:12,071 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-13 06:09:12,071 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:09:12,071 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (= ~a11~0 0)) [2020-10-13 06:09:12,071 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 06:09:12,071 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:09:12,071 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-13 06:09:12,072 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (= ~a11~0 1))) (let ((.cse12 (<= 1 ~a11~0)) (.cse10 (<= ~a19~0 0)) (.cse13 (<= 7 ~a17~0)) (.cse14 (<= ~a11~0 1)) (.cse16 (<= ~a17~0 7)) (.cse2 (= ~a28~0 9)) (.cse0 (= ~a19~0 0)) (.cse18 (= 7 ~a28~0)) (.cse6 (not .cse3)) (.cse4 (= ~a19~0 1)) (.cse5 (= ~a17~0 8)) (.cse1 (= ~a25~0 1)) (.cse11 (= ~a28~0 10)) (.cse7 (<= 8 ~a17~0)) (.cse15 (<= ~a19~0 1)) (.cse8 (<= ~a17~0 8)) (.cse9 (<= ~a25~0 0)) (.cse17 (<= 1 ~a19~0))) (or (and .cse0 (= 7 ~a17~0) .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (and .cse4 .cse5 .cse2 .cse6) (and (or (<= ~a11~0 0) (< 1 ~a11~0)) .cse7 (<= ~a28~0 8) (<= 8 ~a28~0) .cse8 .cse9 (or .cse10 (< 1 ~a19~0))) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse5 .cse1 .cse6 .cse11) (and .cse12 .cse13 (<= 1 ~a25~0) (<= 7 ~a28~0) .cse14 .cse15 (<= ~a28~0 7) (<= ~a25~0 1) .cse16 .cse17) (and (= ~a25~0 0) .cse5 (not .cse4) .cse18 .cse3) (and .cse4 .cse5 .cse6 .cse11) (and (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse5 .cse18 (= ~a19~0 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5 .cse1 .cse6) (and .cse12 .cse10 .cse13 (<= 10 ~a28~0) .cse14 .cse16 .cse9 (<= ~a28~0 10)) (and .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse7 .cse18 .cse6 .cse8 (not .cse1)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and .cse4 .cse5 .cse1 .cse11) (and (<= 9 ~a28~0) .cse7 .cse15 (<= ~a28~0 9) .cse8 .cse9 .cse17) (not (= |old(~a11~0)| |old(~a25~0)|))))) [2020-10-13 06:09:12,072 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:09:12,072 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:09:12,072 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (= ~a11~0 1))) (let ((.cse7 (<= ~a19~0 1)) (.cse9 (<= 1 ~a19~0)) (.cse0 (= ~a19~0 0)) (.cse17 (= 7 ~a28~0)) (.cse4 (<= 1 ~a11~0)) (.cse5 (<= 7 ~a17~0)) (.cse6 (<= ~a11~0 1)) (.cse8 (<= ~a17~0 7)) (.cse1 (= ~a25~0 1)) (.cse15 (= ~a28~0 10)) (.cse16 (= ~a19~0 1)) (.cse13 (= ~a17~0 8)) (.cse2 (= ~a28~0 9)) (.cse14 (not .cse3)) (.cse18 (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1))) (.cse10 (<= 8 ~a17~0)) (.cse11 (<= ~a17~0 8)) (.cse12 (<= ~a25~0 0)) (.cse19 (<= ~a19~0 0))) (or (and .cse0 (= 7 ~a17~0) .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse5 (<= 1 ~a25~0) (<= 7 ~a28~0) .cse6 .cse7 (<= ~a28~0 7) (<= ~a25~0 1) .cse8 .cse9) (and .cse4 (<= 9 ~a28~0) .cse6 .cse10 .cse7 (<= ~a28~0 9) .cse11 .cse12 .cse9) (and .cse0 .cse13 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0))) .cse1 .cse14 .cse15) (and (= ~a25~0 0) .cse13 (not .cse16) .cse17 .cse3) (and .cse18 (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse13 .cse17 (= ~a19~0 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse18 .cse0 .cse10 .cse17 .cse14 .cse11 (not .cse1)) (and .cse16 .cse13 .cse1 .cse14) (and .cse4 .cse19 .cse5 (<= 10 ~a28~0) .cse6 .cse8 .cse12 (<= ~a28~0 10)) (and .cse16 .cse13 .cse1 .cse2) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and .cse18 .cse16 .cse13 .cse14 .cse15) (and .cse16 .cse13 .cse1 .cse15) (and .cse18 .cse16 .cse13 .cse2 .cse14) (and (or (<= ~a11~0 0) (< 1 ~a11~0)) .cse18 .cse10 (<= ~a28~0 8) (<= 8 ~a28~0) .cse11 .cse12 (or .cse19 (< 1 ~a19~0))) (not (= |old(~a11~0)| |old(~a25~0)|))))) [2020-10-13 06:09:12,073 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-13 06:09:12,073 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-13 06:09:12,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:09:12 BoogieIcfgContainer [2020-10-13 06:09:12,099 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 06:09:12,100 INFO L168 Benchmark]: Toolchain (without parser) took 80082.29 ms. Allocated memory was 139.5 MB in the beginning and 980.4 MB in the end (delta: 841.0 MB). Free memory was 101.1 MB in the beginning and 422.1 MB in the end (delta: -321.1 MB). Peak memory consumption was 833.1 MB. Max. memory is 7.1 GB. [2020-10-13 06:09:12,101 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 06:09:12,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.80 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 100.9 MB in the beginning and 168.6 MB in the end (delta: -67.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-10-13 06:09:12,102 INFO L168 Benchmark]: Boogie Preprocessor took 138.82 ms. Allocated memory is still 201.3 MB. Free memory was 168.6 MB in the beginning and 163.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-13 06:09:12,103 INFO L168 Benchmark]: RCFGBuilder took 1166.48 ms. Allocated memory was 201.3 MB in the beginning and 234.4 MB in the end (delta: 33.0 MB). Free memory was 163.6 MB in the beginning and 178.6 MB in the end (delta: -14.9 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2020-10-13 06:09:12,104 INFO L168 Benchmark]: TraceAbstraction took 77937.83 ms. Allocated memory was 234.4 MB in the beginning and 980.4 MB in the end (delta: 746.1 MB). Free memory was 178.6 MB in the beginning and 422.1 MB in the end (delta: -243.6 MB). Peak memory consumption was 815.7 MB. Max. memory is 7.1 GB. [2020-10-13 06:09:12,106 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 832.80 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 100.9 MB in the beginning and 168.6 MB in the end (delta: -67.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.82 ms. Allocated memory is still 201.3 MB. Free memory was 168.6 MB in the beginning and 163.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1166.48 ms. Allocated memory was 201.3 MB in the beginning and 234.4 MB in the end (delta: 33.0 MB). Free memory was 163.6 MB in the beginning and 178.6 MB in the end (delta: -14.9 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 77937.83 ms. Allocated memory was 234.4 MB in the beginning and 980.4 MB in the end (delta: 746.1 MB). Free memory was 178.6 MB in the beginning and 422.1 MB in the end (delta: -243.6 MB). Peak memory consumption was 815.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a19 == 0 && 7 == a17) && a25 == 1) && a28 == 9) && a11 == 1) || !(\old(a19) == 1)) || (((a19 == 1 && a17 == 8) && a28 == 9) && !(a11 == 1))) || (((((((a11 <= 0 || 1 < a11) && 8 <= a17) && a28 <= 8) && 8 <= a28) && a17 <= 8) && a25 <= 0) && (a19 <= 0 || 1 < a19))) || !(8 == \old(a17))) || ((((a19 == 0 && a17 == 8) && a25 == 1) && !(a11 == 1)) && a28 == 10)) || (((((((((1 <= a11 && 7 <= a17) && 1 <= a25) && 7 <= a28) && a11 <= 1) && a19 <= 1) && a28 <= 7) && a25 <= 1) && a17 <= 7) && 1 <= a19)) || ((((a25 == 0 && a17 == 8) && !(a19 == 1)) && 7 == a28) && a11 == 1)) || (((a19 == 1 && a17 == 8) && !(a11 == 1)) && a28 == 10)) || ((((a11 == \old(a11) && a25 == \old(a25)) && a17 == 8) && 7 == a28) && a19 == \old(a19))) || !(0 == \old(a11))) || (((a19 == 1 && a17 == 8) && a25 == 1) && !(a11 == 1))) || (((((((1 <= a11 && a19 <= 0) && 7 <= a17) && 10 <= a28) && a11 <= 1) && a17 <= 7) && a25 <= 0) && a28 <= 10)) || (((a19 == 1 && a17 == 8) && a25 == 1) && a28 == 9)) || (((((a19 == 0 && 8 <= a17) && 7 == a28) && !(a11 == 1)) && a17 <= 8) && !(a25 == 1))) || !(a21 == 1)) || !(7 == \old(a28))) || (((a19 == 1 && a17 == 8) && a25 == 1) && a28 == 10)) || ((((((9 <= a28 && 8 <= a17) && a19 <= 1) && a28 <= 9) && a17 <= 8) && a25 <= 0) && 1 <= a19)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 72.3s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 31.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 676 SDtfs, 6532 SDslu, 1017 SDs, 0 SdLazy, 15670 SolverSat, 1207 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 390 GetRequests, 157 SyntacticMatches, 10 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 15.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=867occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 124 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 108 PreInvPairs, 145 NumberOfFragments, 1609 HoareAnnotationTreeSize, 108 FomulaSimplifications, 20709781 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1816 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 37.4s InterpolantComputationTime, 3363 NumberOfCodeBlocks, 3363 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3345 ConstructedInterpolants, 0 QuantifiedInterpolants, 7764254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 1 PerfectInterpolantSequences, 2294/2328 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...