/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:31:13,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:31:13,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:31:13,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:31:13,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:31:13,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:31:13,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:31:13,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:31:13,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:31:13,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:31:13,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:31:13,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:31:13,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:31:13,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:31:13,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:31:13,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:31:13,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:31:13,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:31:13,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:31:13,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:31:13,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:31:13,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:31:13,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:31:13,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:31:13,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:31:13,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:31:13,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:31:13,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:31:13,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:31:13,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:31:13,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:31:13,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:31:13,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:31:13,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:31:13,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:31:13,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:31:13,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:31:13,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:31:13,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:31:13,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:31:13,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:31:13,789 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 [2020-09-21 12:31:13,836 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:31:13,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:31:13,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:31:13,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:31:13,839 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:31:13,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:31:13,840 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:31:13,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:31:13,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:31:13,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:31:13,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:31:13,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:31:13,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:31:13,843 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:31:13,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:31:13,843 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:31:13,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:31:13,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:31:13,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:31:13,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:31:13,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:31:13,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:31:13,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:31:13,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:31:13,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:31:13,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:31:13,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:31:13,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:31:13,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:31:13,846 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:31:14,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:31:14,312 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:31:14,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:31:14,318 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:31:14,319 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:31:14,320 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21.c [2020-09-21 12:31:14,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1455ff496/40583e1367184083a356f2565d9fd3b9/FLAGeadf79f6a [2020-09-21 12:31:15,106 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:31:15,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label21.c [2020-09-21 12:31:15,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1455ff496/40583e1367184083a356f2565d9fd3b9/FLAGeadf79f6a [2020-09-21 12:31:15,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1455ff496/40583e1367184083a356f2565d9fd3b9 [2020-09-21 12:31:15,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:31:15,330 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:31:15,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:31:15,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:31:15,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:31:15,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:31:15" (1/1) ... [2020-09-21 12:31:15,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b7fd54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:15, skipping insertion in model container [2020-09-21 12:31:15,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:31:15" (1/1) ... [2020-09-21 12:31:15,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:31:15,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:31:15,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:31:15,911 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:31:16,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:31:16,215 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:31:16,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:16 WrapperNode [2020-09-21 12:31:16,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:31:16,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:31:16,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:31:16,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:31:16,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:16" (1/1) ... [2020-09-21 12:31:16,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:16" (1/1) ... [2020-09-21 12:31:16,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:16" (1/1) ... [2020-09-21 12:31:16,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:16" (1/1) ... [2020-09-21 12:31:16,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:16" (1/1) ... [2020-09-21 12:31:16,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:16" (1/1) ... [2020-09-21 12:31:16,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:16" (1/1) ... [2020-09-21 12:31:16,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:31:16,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:31:16,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:31:16,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:31:16,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:16" (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 [2020-09-21 12:31:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:31:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:31:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:31:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:31:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:31:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:31:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:31:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:31:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:31:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:31:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:31:17,830 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:31:17,830 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:31:17,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:31:17 BoogieIcfgContainer [2020-09-21 12:31:17,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:31:17,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:31:17,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:31:17,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:31:17,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:31:15" (1/3) ... [2020-09-21 12:31:17,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f60653f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:31:17, skipping insertion in model container [2020-09-21 12:31:17,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:31:16" (2/3) ... [2020-09-21 12:31:17,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f60653f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:31:17, skipping insertion in model container [2020-09-21 12:31:17,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:31:17" (3/3) ... [2020-09-21 12:31:17,848 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label21.c [2020-09-21 12:31:17,861 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:31:17,871 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:31:17,894 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:31:17,927 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:31:17,927 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:31:17,928 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:31:17,928 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:31:17,928 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:31:17,928 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:31:17,928 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:31:17,928 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:31:17,956 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-21 12:31:17,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-21 12:31:17,966 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:17,967 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] [2020-09-21 12:31:17,968 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:17,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:17,976 INFO L82 PathProgramCache]: Analyzing trace with hash -689743650, now seen corresponding path program 1 times [2020-09-21 12:31:17,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:17,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1051946307] [2020-09-21 12:31:17,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:18,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:18,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:18,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 12:31:18,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:18,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 527 [2020-09-21 12:31:18,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:18,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:31:18,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:31:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 12:31:18,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:31:18,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:18,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:18,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:18,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:18,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:18,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:31:18,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:18,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:18,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:18,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:31:18,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:31:18,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:18,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1051946307] [2020-09-21 12:31:18,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:31:18,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:31:18,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982108650] [2020-09-21 12:31:18,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:31:18,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:18,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:31:18,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:31:18,916 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-09-21 12:31:20,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:20,600 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-09-21 12:31:20,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:20,602 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-09-21 12:31:20,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:20,623 INFO L225 Difference]: With dead ends: 581 [2020-09-21 12:31:20,623 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 12:31:20,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:20,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 12:31:20,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-21 12:31:20,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-21 12:31:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-09-21 12:31:20,729 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 33 [2020-09-21 12:31:20,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:20,729 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-09-21 12:31:20,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:31:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-09-21 12:31:20,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-09-21 12:31:20,736 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:20,736 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:31:20,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:31:20,737 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:20,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:20,737 INFO L82 PathProgramCache]: Analyzing trace with hash -712653259, now seen corresponding path program 1 times [2020-09-21 12:31:20,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:20,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1053070847] [2020-09-21 12:31:20,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:20,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:21,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:21,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:21,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 12:31:21,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:31:21,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-21 12:31:21,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:21,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:21,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-09-21 12:31:21,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:31:21,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:31:21,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:21,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:21,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:21,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:21,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:21,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:31:21,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:21,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:21,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:22,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:22,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:22,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 12:31:22,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:22,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-21 12:31:22,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:22,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:22,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:22,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 12:31:22,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:31:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:22,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1053070847] [2020-09-21 12:31:22,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:22,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:22,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861732171] [2020-09-21 12:31:22,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:22,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:22,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:22,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:22,229 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 5 states. [2020-09-21 12:31:23,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:23,184 INFO L93 Difference]: Finished difference Result 601 states and 914 transitions. [2020-09-21 12:31:23,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:23,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2020-09-21 12:31:23,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:23,188 INFO L225 Difference]: With dead ends: 601 [2020-09-21 12:31:23,189 INFO L226 Difference]: Without dead ends: 302 [2020-09-21 12:31:23,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:23,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-21 12:31:23,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-21 12:31:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-21 12:31:23,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 446 transitions. [2020-09-21 12:31:23,219 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 446 transitions. Word has length 106 [2020-09-21 12:31:23,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:23,220 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 446 transitions. [2020-09-21 12:31:23,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:23,220 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 446 transitions. [2020-09-21 12:31:23,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-09-21 12:31:23,223 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:23,224 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:31:23,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:31:23,224 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:23,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:23,225 INFO L82 PathProgramCache]: Analyzing trace with hash 313211425, now seen corresponding path program 1 times [2020-09-21 12:31:23,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:23,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1610840686] [2020-09-21 12:31:23,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:23,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:23,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:23,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:23,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-09-21 12:31:23,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:31:23,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 426 [2020-09-21 12:31:23,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:23,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:23,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-09-21 12:31:23,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-21 12:31:23,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:23,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:23,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:23,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:23,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:23,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:23,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:31:23,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:23,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:23,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:23,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:23,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:23,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:31:23,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:23,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-21 12:31:23,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:23,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:23,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:23,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 12:31:23,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:23,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1610840686] [2020-09-21 12:31:23,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:23,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:23,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549869256] [2020-09-21 12:31:23,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:23,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:23,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:23,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:23,983 INFO L87 Difference]: Start difference. First operand 296 states and 446 transitions. Second operand 5 states. [2020-09-21 12:31:25,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:25,504 INFO L93 Difference]: Finished difference Result 886 states and 1363 transitions. [2020-09-21 12:31:25,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:25,505 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-09-21 12:31:25,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:25,510 INFO L225 Difference]: With dead ends: 886 [2020-09-21 12:31:25,510 INFO L226 Difference]: Without dead ends: 596 [2020-09-21 12:31:25,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:25,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-09-21 12:31:25,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 586. [2020-09-21 12:31:25,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-09-21 12:31:25,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 813 transitions. [2020-09-21 12:31:25,546 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 813 transitions. Word has length 112 [2020-09-21 12:31:25,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:25,546 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 813 transitions. [2020-09-21 12:31:25,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:25,547 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 813 transitions. [2020-09-21 12:31:25,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-09-21 12:31:25,549 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:25,550 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:31:25,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:31:25,550 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:25,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:25,551 INFO L82 PathProgramCache]: Analyzing trace with hash 253303874, now seen corresponding path program 1 times [2020-09-21 12:31:25,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:25,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1348683603] [2020-09-21 12:31:25,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:25,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:25,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:26,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:26,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:26,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:31:26,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:31:26,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:31:26,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:26,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:26,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-09-21 12:31:26,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 12:31:26,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:26,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:26,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:26,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:26,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:26,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:26,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:31:26,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:26,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:26,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:26,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:26,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:26,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 12:31:26,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:26,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-21 12:31:26,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-21 12:31:26,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:26,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1348683603] [2020-09-21 12:31:26,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:26,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:26,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079126739] [2020-09-21 12:31:26,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:26,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:26,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:26,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:26,867 INFO L87 Difference]: Start difference. First operand 586 states and 813 transitions. Second operand 5 states. [2020-09-21 12:31:27,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:27,851 INFO L93 Difference]: Finished difference Result 1191 states and 1666 transitions. [2020-09-21 12:31:27,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:27,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-09-21 12:31:27,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:27,860 INFO L225 Difference]: With dead ends: 1191 [2020-09-21 12:31:27,860 INFO L226 Difference]: Without dead ends: 596 [2020-09-21 12:31:27,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:27,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-09-21 12:31:27,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 586. [2020-09-21 12:31:27,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-09-21 12:31:27,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 811 transitions. [2020-09-21 12:31:27,900 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 811 transitions. Word has length 123 [2020-09-21 12:31:27,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:27,901 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 811 transitions. [2020-09-21 12:31:27,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:27,902 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 811 transitions. [2020-09-21 12:31:27,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-09-21 12:31:27,914 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:27,914 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:31:27,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:31:27,915 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:27,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:27,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1013478446, now seen corresponding path program 1 times [2020-09-21 12:31:27,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:27,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539741963] [2020-09-21 12:31:27,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:27,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:28,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:28,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:28,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:28,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-09-21 12:31:28,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:31:28,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1017 [2020-09-21 12:31:28,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:28,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:28,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-09-21 12:31:28,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 12:31:28,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:29,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:29,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:29,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:29,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:29,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:29,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:31:29,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:29,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:29,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:29,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:29,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 12:31:29,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:29,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-21 12:31:29,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:29,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:29,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:29,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-21 12:31:29,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:29,359 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:29,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539741963] [2020-09-21 12:31:29,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:29,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:29,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93791221] [2020-09-21 12:31:29,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:29,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:29,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:29,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:29,362 INFO L87 Difference]: Start difference. First operand 586 states and 811 transitions. Second operand 5 states. [2020-09-21 12:31:30,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:30,260 INFO L93 Difference]: Finished difference Result 1193 states and 1664 transitions. [2020-09-21 12:31:30,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:30,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2020-09-21 12:31:30,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:30,267 INFO L225 Difference]: With dead ends: 1193 [2020-09-21 12:31:30,267 INFO L226 Difference]: Without dead ends: 596 [2020-09-21 12:31:30,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:30,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-09-21 12:31:30,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 586. [2020-09-21 12:31:30,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-09-21 12:31:30,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 809 transitions. [2020-09-21 12:31:30,302 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 809 transitions. Word has length 131 [2020-09-21 12:31:30,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:30,303 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 809 transitions. [2020-09-21 12:31:30,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:30,303 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 809 transitions. [2020-09-21 12:31:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-09-21 12:31:30,305 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:30,305 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:31:30,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:31:30,306 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:30,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:30,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1169672974, now seen corresponding path program 1 times [2020-09-21 12:31:30,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:30,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33073605] [2020-09-21 12:31:30,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:30,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:30,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:31,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:31,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:31,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-21 12:31:31,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:31:31,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-09-21 12:31:31,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-09-21 12:31:31,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:31:31,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:31,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:31,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:31,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:31,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:31,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:31,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:31:31,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:31,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:31,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:31,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:31,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:31,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:31,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:31,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:31,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 12:31:31,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:31,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-21 12:31:31,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:31,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:31,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:31,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-21 12:31:31,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:31,695 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:31,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33073605] [2020-09-21 12:31:31,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:31,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:31,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433244557] [2020-09-21 12:31:31,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:31,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:31,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:31,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:31,700 INFO L87 Difference]: Start difference. First operand 586 states and 809 transitions. Second operand 5 states. [2020-09-21 12:31:32,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:32,559 INFO L93 Difference]: Finished difference Result 1195 states and 1662 transitions. [2020-09-21 12:31:32,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:32,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-09-21 12:31:32,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:32,565 INFO L225 Difference]: With dead ends: 1195 [2020-09-21 12:31:32,565 INFO L226 Difference]: Without dead ends: 596 [2020-09-21 12:31:32,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:32,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-09-21 12:31:32,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 586. [2020-09-21 12:31:32,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-09-21 12:31:32,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 807 transitions. [2020-09-21 12:31:32,595 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 807 transitions. Word has length 145 [2020-09-21 12:31:32,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:32,596 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 807 transitions. [2020-09-21 12:31:32,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:32,596 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 807 transitions. [2020-09-21 12:31:32,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-09-21 12:31:32,598 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:32,599 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:31:32,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:31:32,599 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:32,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:32,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1042464845, now seen corresponding path program 1 times [2020-09-21 12:31:32,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:32,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [340465806] [2020-09-21 12:31:32,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:32,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:32,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:33,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:33,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-21 12:31:33,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:31:33,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:31:33,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:33,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:33,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-21 12:31:33,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-21 12:31:33,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:33,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:33,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:33,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:33,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:33,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:33,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:31:33,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:33,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:33,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:33,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:33,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:33,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:33,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:33,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:33,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-21 12:31:33,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:33,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-21 12:31:33,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:33,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-21 12:31:33,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:33,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [340465806] [2020-09-21 12:31:33,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:33,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:33,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291808355] [2020-09-21 12:31:33,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:33,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:33,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:33,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:33,950 INFO L87 Difference]: Start difference. First operand 586 states and 807 transitions. Second operand 5 states. [2020-09-21 12:31:35,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:35,565 INFO L93 Difference]: Finished difference Result 1466 states and 2042 transitions. [2020-09-21 12:31:35,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:35,568 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-09-21 12:31:35,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:35,573 INFO L225 Difference]: With dead ends: 1466 [2020-09-21 12:31:35,574 INFO L226 Difference]: Without dead ends: 596 [2020-09-21 12:31:35,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:35,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-09-21 12:31:35,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 586. [2020-09-21 12:31:35,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-09-21 12:31:35,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 787 transitions. [2020-09-21 12:31:35,611 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 787 transitions. Word has length 150 [2020-09-21 12:31:35,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:35,612 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 787 transitions. [2020-09-21 12:31:35,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:35,612 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 787 transitions. [2020-09-21 12:31:35,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-21 12:31:35,616 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:35,616 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:31:35,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:31:35,617 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:35,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:35,618 INFO L82 PathProgramCache]: Analyzing trace with hash 293875441, now seen corresponding path program 1 times [2020-09-21 12:31:35,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:35,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1278770300] [2020-09-21 12:31:35,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:35,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:35,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:36,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:36,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-21 12:31:36,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:31:36,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1019 [2020-09-21 12:31:36,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:36,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:36,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-09-21 12:31:36,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-21 12:31:36,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:31:36,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:36,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:36,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:36,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:36,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:36,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:31:36,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:36,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:36,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:36,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:36,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:36,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:36,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-21 12:31:36,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:36,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-21 12:31:36,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-21 12:31:36,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:37,023 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:37,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1278770300] [2020-09-21 12:31:37,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:37,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:31:37,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280864997] [2020-09-21 12:31:37,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:31:37,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:37,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:31:37,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:37,026 INFO L87 Difference]: Start difference. First operand 586 states and 787 transitions. Second operand 6 states. [2020-09-21 12:31:39,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:39,156 INFO L93 Difference]: Finished difference Result 1760 states and 2517 transitions. [2020-09-21 12:31:39,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:31:39,157 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2020-09-21 12:31:39,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:39,165 INFO L225 Difference]: With dead ends: 1760 [2020-09-21 12:31:39,166 INFO L226 Difference]: Without dead ends: 1180 [2020-09-21 12:31:39,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:31:39,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2020-09-21 12:31:39,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1025. [2020-09-21 12:31:39,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1025 states. [2020-09-21 12:31:39,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1365 transitions. [2020-09-21 12:31:39,214 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1365 transitions. Word has length 152 [2020-09-21 12:31:39,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:39,215 INFO L479 AbstractCegarLoop]: Abstraction has 1025 states and 1365 transitions. [2020-09-21 12:31:39,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:31:39,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1365 transitions. [2020-09-21 12:31:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-09-21 12:31:39,218 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:39,219 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:31:39,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:31:39,219 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:39,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:39,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1744412086, now seen corresponding path program 1 times [2020-09-21 12:31:39,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:39,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1085383994] [2020-09-21 12:31:39,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:39,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:39,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:40,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:40,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-21 12:31:40,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:31:40,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1015 [2020-09-21 12:31:40,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:40,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:40,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-09-21 12:31:40,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:31:40,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:40,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:40,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:40,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:40,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:40,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:40,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:31:40,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:40,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:40,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:40,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:40,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:40,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:40,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:40,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:40,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-09-21 12:31:40,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:40,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-21 12:31:40,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-21 12:31:40,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:40,657 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:40,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1085383994] [2020-09-21 12:31:40,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:40,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:40,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555581061] [2020-09-21 12:31:40,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:40,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:40,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:40,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:40,664 INFO L87 Difference]: Start difference. First operand 1025 states and 1365 transitions. Second operand 5 states. [2020-09-21 12:31:41,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:41,520 INFO L93 Difference]: Finished difference Result 1919 states and 2561 transitions. [2020-09-21 12:31:41,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:41,521 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2020-09-21 12:31:41,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:41,521 INFO L225 Difference]: With dead ends: 1919 [2020-09-21 12:31:41,521 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:31:41,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:41,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:31:41,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:31:41,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:31:41,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:31:41,527 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2020-09-21 12:31:41,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:41,527 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:31:41,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:41,527 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:31:41,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:31:41,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:31:41,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:31:41,943 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 50 [2020-09-21 12:31:42,085 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 50 [2020-09-21 12:31:42,367 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2020-09-21 12:31:42,486 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:31:42,487 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-09-21 12:31:42,487 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:31:42,487 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-21 12:31:42,487 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,488 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,488 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,488 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,488 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,488 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,488 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-21 12:31:42,488 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-21 12:31:42,489 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 12:31:42,489 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 12:31:42,489 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 12:31:42,489 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 12:31:42,489 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 12:31:42,491 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 12:31:42,491 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-21 12:31:42,491 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-21 12:31:42,492 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-21 12:31:42,492 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,492 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,492 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,492 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,493 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,493 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-21 12:31:42,493 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-21 12:31:42,493 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-21 12:31:42,493 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-21 12:31:42,493 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 12:31:42,493 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 12:31:42,494 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 12:31:42,494 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 12:31:42,494 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 12:31:42,494 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-21 12:31:42,494 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-21 12:31:42,494 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-21 12:31:42,494 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-21 12:31:42,495 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) no Hoare annotation was computed. [2020-09-21 12:31:42,495 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-21 12:31:42,495 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,495 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,495 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,495 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,495 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,496 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-21 12:31:42,497 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 12:31:42,497 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 12:31:42,497 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 12:31:42,497 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 12:31:42,498 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 12:31:42,498 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-21 12:31:42,498 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-21 12:31:42,498 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-21 12:31:42,499 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-21 12:31:42,499 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,499 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,499 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,502 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,502 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,502 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-21 12:31:42,502 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-21 12:31:42,502 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-21 12:31:42,502 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 12:31:42,503 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 12:31:42,503 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 12:31:42,503 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 12:31:42,503 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 12:31:42,503 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-21 12:31:42,503 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-21 12:31:42,503 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-21 12:31:42,503 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-21 12:31:42,504 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-21 12:31:42,504 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,504 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,504 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,504 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,504 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,504 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 12:31:42,505 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 12:31:42,506 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 12:31:42,506 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:31:42,506 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 12:31:42,506 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-21 12:31:42,506 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-21 12:31:42,506 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-21 12:31:42,506 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-21 12:31:42,507 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,507 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,507 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,507 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,507 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,507 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,507 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,507 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-21 12:31:42,508 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-21 12:31:42,508 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-21 12:31:42,508 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-21 12:31:42,508 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 12:31:42,508 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 12:31:42,508 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 12:31:42,508 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:31:42,508 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 12:31:42,508 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-21 12:31:42,509 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-21 12:31:42,509 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-21 12:31:42,510 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-21 12:31:42,510 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,510 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,510 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,511 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,511 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 12:31:42,511 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,511 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,511 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-21 12:31:42,511 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-21 12:31:42,511 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-21 12:31:42,511 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 12:31:42,512 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 12:31:42,512 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 12:31:42,512 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:31:42,513 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 12:31:42,513 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 12:31:42,513 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-21 12:31:42,513 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-21 12:31:42,513 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-21 12:31:42,513 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-21 12:31:42,513 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,514 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,514 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,514 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,514 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,514 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,514 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-21 12:31:42,514 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-21 12:31:42,515 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-21 12:31:42,515 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 12:31:42,515 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 12:31:42,515 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 12:31:42,515 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:31:42,515 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 12:31:42,515 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 12:31:42,515 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-21 12:31:42,516 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-21 12:31:42,517 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= ~a1~0 |old(~a1~0)|)) (.cse1 (= ~a10~0 |old(~a10~0)|))) (let ((.cse2 (and .cse0 (= ~a19~0 |old(~a19~0)|) .cse1))) (and (or (not (<= (+ |old(~a1~0)| 551894) 0)) (not (= 6 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and .cse0 (= ~a19~0 6) .cse1) (not (= ~a12~0 0))) (or .cse2 (not (= 8 |old(~a19~0)|))) (or (not (<= 9 |old(~a19~0)|)) .cse2) (or .cse2 (= 0 |old(~a10~0)|))))) [2020-09-21 12:31:42,517 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-21 12:31:42,517 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-21 12:31:42,518 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-21 12:31:42,518 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,518 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,518 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,518 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,518 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,518 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,518 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-21 12:31:42,519 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 12:31:42,519 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 12:31:42,519 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 12:31:42,519 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 12:31:42,519 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 12:31:42,519 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 12:31:42,519 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-21 12:31:42,519 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-21 12:31:42,520 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-21 12:31:42,520 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-21 12:31:42,520 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-21 12:31:42,520 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-21 12:31:42,520 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,520 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,520 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,520 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,521 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,521 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,521 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-21 12:31:42,521 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-21 12:31:42,521 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-21 12:31:42,521 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 12:31:42,521 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 12:31:42,522 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 12:31:42,522 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 12:31:42,522 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 12:31:42,522 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 12:31:42,522 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-21 12:31:42,522 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-21 12:31:42,522 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-21 12:31:42,523 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,523 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,523 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,523 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,523 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,523 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 12:31:42,523 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-21 12:31:42,523 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-21 12:31:42,523 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-21 12:31:42,524 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 12:31:42,524 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 12:31:42,524 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 12:31:42,524 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 12:31:42,524 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 12:31:42,524 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 12:31:42,524 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-21 12:31:42,524 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-21 12:31:42,525 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-21 12:31:42,525 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:31:42,525 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 9 ~a19~0) [2020-09-21 12:31:42,525 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:31:42,525 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:31:42,525 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-09-21 12:31:42,525 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-21 12:31:42,526 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (= ~a19~0 8) (not (<= 9 |old(~a19~0)|)) (not (= ~a10~0 0)) (<= 9 ~a19~0) (and (= 14 ~a4~0) (<= (+ ~a1~0 551894) 0) (= ~a12~0 0) (= ~a19~0 6))) [2020-09-21 12:31:42,526 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-21 12:31:42,526 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-21 12:31:42,526 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (= ~a19~0 8) (not (<= 9 |old(~a19~0)|)) (not (= ~a10~0 0)) (<= 9 ~a19~0) (and (= 14 ~a4~0) (<= (+ ~a1~0 551894) 0) (= ~a12~0 0) (= ~a19~0 6))) [2020-09-21 12:31:42,526 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-21 12:31:42,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:31:42 BoogieIcfgContainer [2020-09-21 12:31:42,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:31:42,556 INFO L168 Benchmark]: Toolchain (without parser) took 27230.68 ms. Allocated memory was 141.6 MB in the beginning and 558.4 MB in the end (delta: 416.8 MB). Free memory was 103.5 MB in the beginning and 463.4 MB in the end (delta: -359.8 MB). Peak memory consumption was 388.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:42,557 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-09-21 12:31:42,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 885.16 ms. Allocated memory was 141.6 MB in the beginning and 207.1 MB in the end (delta: 65.5 MB). Free memory was 102.7 MB in the beginning and 173.3 MB in the end (delta: -70.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:42,562 INFO L168 Benchmark]: Boogie Preprocessor took 127.82 ms. Allocated memory is still 207.1 MB. Free memory was 173.3 MB in the beginning and 168.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:42,563 INFO L168 Benchmark]: RCFGBuilder took 1493.33 ms. Allocated memory was 207.1 MB in the beginning and 236.5 MB in the end (delta: 29.4 MB). Free memory was 168.2 MB in the beginning and 178.2 MB in the end (delta: -10.0 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:42,567 INFO L168 Benchmark]: TraceAbstraction took 24714.16 ms. Allocated memory was 236.5 MB in the beginning and 558.4 MB in the end (delta: 321.9 MB). Free memory was 178.2 MB in the beginning and 463.4 MB in the end (delta: -285.1 MB). Peak memory consumption was 368.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:42,576 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 885.16 ms. Allocated memory was 141.6 MB in the beginning and 207.1 MB in the end (delta: 65.5 MB). Free memory was 102.7 MB in the beginning and 173.3 MB in the end (delta: -70.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.82 ms. Allocated memory is still 207.1 MB. Free memory was 173.3 MB in the beginning and 168.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1493.33 ms. Allocated memory was 207.1 MB in the beginning and 236.5 MB in the end (delta: 29.4 MB). Free memory was 168.2 MB in the beginning and 178.2 MB in the end (delta: -10.0 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24714.16 ms. Allocated memory was 236.5 MB in the beginning and 558.4 MB in the end (delta: 321.9 MB). Free memory was 178.2 MB in the beginning and 463.4 MB in the end (delta: -285.1 MB). Peak memory consumption was 368.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 85]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((a19 == 8 || !(9 <= \old(a19))) || !(a10 == 0)) || 9 <= a19) || (((14 == a4 && a1 + 551894 <= 0) && a12 == 0) && a19 == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.6s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 240 SDtfs, 2317 SDslu, 165 SDs, 0 SdLazy, 6250 SolverSat, 480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 55 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1025occurred in iteration=8, 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, 9 MinimizatonAttempts, 217 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 54 PreInvPairs, 86 NumberOfFragments, 184 HoareAnnotationTreeSize, 54 FomulaSimplifications, 115800 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 834 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 1111 NumberOfCodeBlocks, 1111 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1102 ConstructedInterpolants, 0 QuantifiedInterpolants, 390061 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 200/208 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...