/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:05:18,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:05:18,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:05:18,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:05:18,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:05:18,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:05:18,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:05:18,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:05:18,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:05:18,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:05:18,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:05:18,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:05:18,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:05:18,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:05:18,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:05:18,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:05:18,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:05:18,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:05:18,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:05:18,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:05:18,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:05:18,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:05:18,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:05:18,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:05:18,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:05:18,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:05:18,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:05:18,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:05:18,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:05:18,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:05:18,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:05:18,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:05:18,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:05:18,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:05:18,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:05:18,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:05:18,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:05:18,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:05:18,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:05:18,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:05:18,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:05:18,670 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 13:05:18,691 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:05:18,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:05:18,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:05:18,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:05:18,693 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:05:18,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:05:18,694 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:05:18,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:05:18,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:05:18,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:05:18,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:05:18,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:05:18,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:05:18,695 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:05:18,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:05:18,696 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:05:18,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:05:18,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:05:18,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:05:18,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:05:18,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:05:18,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:05:18,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:05:18,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:05:18,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:05:18,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:05:18,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:05:18,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:05:18,698 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:05:18,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 13:05:19,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:05:19,032 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:05:19,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:05:19,037 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:05:19,038 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:05:19,038 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label25.c [2020-10-12 13:05:19,111 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e491099b7/8f2ba5ab21b649f5b5ac13dae0f58272/FLAGa8f458850 [2020-10-12 13:05:19,633 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:05:19,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label25.c [2020-10-12 13:05:19,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e491099b7/8f2ba5ab21b649f5b5ac13dae0f58272/FLAGa8f458850 [2020-10-12 13:05:19,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e491099b7/8f2ba5ab21b649f5b5ac13dae0f58272 [2020-10-12 13:05:19,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:05:19,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:05:19,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:05:19,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:05:19,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:05:19,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:05:19" (1/1) ... [2020-10-12 13:05:19,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9e30c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:19, skipping insertion in model container [2020-10-12 13:05:19,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:05:19" (1/1) ... [2020-10-12 13:05:19,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:05:19,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:05:20,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:05:20,496 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:05:20,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:05:20,632 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:05:20,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:20 WrapperNode [2020-10-12 13:05:20,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:05:20,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:05:20,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:05:20,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:05:20,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:20" (1/1) ... [2020-10-12 13:05:20,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:20" (1/1) ... [2020-10-12 13:05:20,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:20" (1/1) ... [2020-10-12 13:05:20,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:20" (1/1) ... [2020-10-12 13:05:20,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:20" (1/1) ... [2020-10-12 13:05:20,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:20" (1/1) ... [2020-10-12 13:05:20,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:20" (1/1) ... [2020-10-12 13:05:20,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:05:20,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:05:20,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:05:20,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:05:20,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:05:20,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:05:20,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:05:20,818 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:05:20,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:05:20,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:05:20,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:05:20,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:05:20,820 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:05:20,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:05:20,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:05:20,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:05:22,050 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:05:22,050 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:05:22,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:05:22 BoogieIcfgContainer [2020-10-12 13:05:22,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:05:22,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:05:22,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:05:22,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:05:22,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:05:19" (1/3) ... [2020-10-12 13:05:22,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9953c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:05:22, skipping insertion in model container [2020-10-12 13:05:22,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:05:20" (2/3) ... [2020-10-12 13:05:22,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9953c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:05:22, skipping insertion in model container [2020-10-12 13:05:22,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:05:22" (3/3) ... [2020-10-12 13:05:22,066 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label25.c [2020-10-12 13:05:22,077 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:05:22,085 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:05:22,102 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:05:22,133 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:05:22,133 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:05:22,133 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:05:22,134 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:05:22,134 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:05:22,134 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:05:22,134 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:05:22,135 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:05:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-12 13:05:22,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-12 13:05:22,172 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:22,173 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:05:22,174 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:22,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:22,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1015003737, now seen corresponding path program 1 times [2020-10-12 13:05:22,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:22,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734499604] [2020-10-12 13:05:22,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:22,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:22,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:22,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:05:22,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:22,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 507 [2020-10-12 13:05:22,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:05:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:05:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-12 13:05:22,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 13:05:23,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:23,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:23,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:23,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:23,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:23,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 13:05:23,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:23,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:23,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:23,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:05:23,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:05:23,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734499604] [2020-10-12 13:05:23,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:05:23,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 13:05:23,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676675760] [2020-10-12 13:05:23,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:05:23,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:23,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:05:23,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:05:23,152 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-10-12 13:05:25,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:25,264 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2020-10-12 13:05:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:05:25,267 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2020-10-12 13:05:25,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:25,286 INFO L225 Difference]: With dead ends: 730 [2020-10-12 13:05:25,286 INFO L226 Difference]: Without dead ends: 447 [2020-10-12 13:05:25,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:05:25,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-12 13:05:25,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-12 13:05:25,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-12 13:05:25,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 595 transitions. [2020-10-12 13:05:25,396 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 595 transitions. Word has length 70 [2020-10-12 13:05:25,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:25,397 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 595 transitions. [2020-10-12 13:05:25,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:05:25,398 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 595 transitions. [2020-10-12 13:05:25,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-12 13:05:25,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:25,406 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:05:25,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:05:25,407 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:25,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:25,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1516573211, now seen corresponding path program 1 times [2020-10-12 13:05:25,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:25,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554356730] [2020-10-12 13:05:25,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:25,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:25,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:26,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:26,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-12 13:05:26,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:05:26,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 639 [2020-10-12 13:05:26,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:26,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:26,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 13:05:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 13:05:26,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:26,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:26,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:26,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:26,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:26,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:26,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:05:26,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:26,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:26,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:26,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:26,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:26,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:05:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:26,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:26,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:26,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:05:26,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:26,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-12 13:05:26,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:26,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:26,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:05:26,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:26,415 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:05:26,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554356730] [2020-10-12 13:05:26,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:05:26,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:05:26,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345713509] [2020-10-12 13:05:26,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:05:26,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:26,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:05:26,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:05:26,419 INFO L87 Difference]: Start difference. First operand 443 states and 595 transitions. Second operand 5 states. [2020-10-12 13:05:27,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:27,299 INFO L93 Difference]: Finished difference Result 907 states and 1223 transitions. [2020-10-12 13:05:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:05:27,300 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-10-12 13:05:27,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:27,304 INFO L225 Difference]: With dead ends: 907 [2020-10-12 13:05:27,305 INFO L226 Difference]: Without dead ends: 447 [2020-10-12 13:05:27,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:05:27,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-12 13:05:27,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-10-12 13:05:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-12 13:05:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 592 transitions. [2020-10-12 13:05:27,335 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 592 transitions. Word has length 149 [2020-10-12 13:05:27,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:27,336 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 592 transitions. [2020-10-12 13:05:27,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:05:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 592 transitions. [2020-10-12 13:05:27,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-12 13:05:27,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:27,347 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:05:27,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:05:27,347 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:27,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:27,348 INFO L82 PathProgramCache]: Analyzing trace with hash -617298211, now seen corresponding path program 1 times [2020-10-12 13:05:27,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:27,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [446369565] [2020-10-12 13:05:27,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:27,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:27,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:28,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:28,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-12 13:05:28,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:05:28,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 768 [2020-10-12 13:05:28,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 13:05:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:05:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-12 13:05:28,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:28,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:28,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:28,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:28,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:28,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:28,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:05:28,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:28,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:28,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:05:28,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:28,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:05:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:28,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:28,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:28,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:28,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:05:28,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:05:28,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-12 13:05:28,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:05:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-12 13:05:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:28,716 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 13:05:28,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [446369565] [2020-10-12 13:05:28,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:05:28,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:05:28,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472350917] [2020-10-12 13:05:28,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:05:28,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:28,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:05:28,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:05:28,719 INFO L87 Difference]: Start difference. First operand 443 states and 592 transitions. Second operand 7 states. [2020-10-12 13:05:30,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:30,288 INFO L93 Difference]: Finished difference Result 1029 states and 1414 transitions. [2020-10-12 13:05:30,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:05:30,292 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 185 [2020-10-12 13:05:30,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:30,301 INFO L225 Difference]: With dead ends: 1029 [2020-10-12 13:05:30,302 INFO L226 Difference]: Without dead ends: 1027 [2020-10-12 13:05:30,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2020-10-12 13:05:30,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-10-12 13:05:30,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 735. [2020-10-12 13:05:30,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-10-12 13:05:30,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1027 transitions. [2020-10-12 13:05:30,350 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1027 transitions. Word has length 185 [2020-10-12 13:05:30,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:30,351 INFO L479 AbstractCegarLoop]: Abstraction has 735 states and 1027 transitions. [2020-10-12 13:05:30,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:05:30,351 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1027 transitions. [2020-10-12 13:05:30,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-12 13:05:30,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:30,357 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:05:30,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:05:30,358 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:30,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:30,359 INFO L82 PathProgramCache]: Analyzing trace with hash 2032612418, now seen corresponding path program 1 times [2020-10-12 13:05:30,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:30,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706074647] [2020-10-12 13:05:30,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:30,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:30,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:31,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:31,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:31,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-12 13:05:31,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:05:31,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1284 [2020-10-12 13:05:31,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:05:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:05:31,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-12 13:05:31,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:31,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:31,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:31,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:31,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:31,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:31,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:05:31,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:05:31,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:31,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:05:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:31,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:31,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:31,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 13:05:31,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:31,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-12 13:05:31,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:31,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:31,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:05:31,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-12 13:05:31,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:05:32,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706074647] [2020-10-12 13:05:32,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:05:32,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 13:05:32,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385997937] [2020-10-12 13:05:32,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:05:32,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:32,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:05:32,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:05:32,159 INFO L87 Difference]: Start difference. First operand 735 states and 1027 transitions. Second operand 8 states. [2020-10-12 13:05:33,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:33,649 INFO L93 Difference]: Finished difference Result 1790 states and 2564 transitions. [2020-10-12 13:05:33,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 13:05:33,651 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2020-10-12 13:05:33,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:33,660 INFO L225 Difference]: With dead ends: 1790 [2020-10-12 13:05:33,660 INFO L226 Difference]: Without dead ends: 1061 [2020-10-12 13:05:33,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-12 13:05:33,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2020-10-12 13:05:33,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1037. [2020-10-12 13:05:33,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2020-10-12 13:05:33,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1355 transitions. [2020-10-12 13:05:33,715 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1355 transitions. Word has length 192 [2020-10-12 13:05:33,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:33,716 INFO L479 AbstractCegarLoop]: Abstraction has 1037 states and 1355 transitions. [2020-10-12 13:05:33,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:05:33,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1355 transitions. [2020-10-12 13:05:33,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-12 13:05:33,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:33,720 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 13:05:33,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:05:33,721 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:33,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:33,721 INFO L82 PathProgramCache]: Analyzing trace with hash -2039130987, now seen corresponding path program 1 times [2020-10-12 13:05:33,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:33,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96489799] [2020-10-12 13:05:33,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:33,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:33,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:34,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:35,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:35,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 13:05:35,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:05:35,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1327 [2020-10-12 13:05:35,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:35,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:35,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-12 13:05:35,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 13:05:35,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:35,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:35,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:35,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:35,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:35,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:35,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:05:35,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:35,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:35,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:05:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:35,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:35,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:35,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:05:35,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:35,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 13:05:35,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:35,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:35,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:05:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:35,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:35,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:35,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 13:05:35,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:35,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 13:05:35,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:35,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 13:05:35,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-12 13:05:35,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96489799] [2020-10-12 13:05:35,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:05:35,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:05:35,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212158901] [2020-10-12 13:05:35,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:05:35,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:35,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:05:35,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:05:35,464 INFO L87 Difference]: Start difference. First operand 1037 states and 1355 transitions. Second operand 5 states. [2020-10-12 13:05:36,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:36,641 INFO L93 Difference]: Finished difference Result 3089 states and 4117 transitions. [2020-10-12 13:05:36,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:05:36,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 222 [2020-10-12 13:05:36,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:36,655 INFO L225 Difference]: With dead ends: 3089 [2020-10-12 13:05:36,656 INFO L226 Difference]: Without dead ends: 2058 [2020-10-12 13:05:36,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:05:36,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2058 states. [2020-10-12 13:05:36,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2058 to 1623. [2020-10-12 13:05:36,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1623 states. [2020-10-12 13:05:36,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 2145 transitions. [2020-10-12 13:05:36,758 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 2145 transitions. Word has length 222 [2020-10-12 13:05:36,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:36,760 INFO L479 AbstractCegarLoop]: Abstraction has 1623 states and 2145 transitions. [2020-10-12 13:05:36,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:05:36,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2145 transitions. [2020-10-12 13:05:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2020-10-12 13:05:36,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:36,780 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:05:36,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:05:36,780 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:36,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:36,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1778995799, now seen corresponding path program 1 times [2020-10-12 13:05:36,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:36,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102477230] [2020-10-12 13:05:36,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:36,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:37,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:37,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:38,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:40,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:40,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 393 [2020-10-12 13:05:40,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:05:40,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3672 [2020-10-12 13:05:40,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:40,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:05:40,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-12 13:05:40,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 199 [2020-10-12 13:05:40,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:40,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:40,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:40,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:40,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:40,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:40,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:05:40,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:40,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:40,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:40,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:40,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:40,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:05:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:40,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:40,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:40,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:05:40,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:40,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-12 13:05:40,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:40,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:40,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-12 13:05:40,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:40,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:05:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:40,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:40,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:40,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:40,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:05:40,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:05:40,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-12 13:05:40,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:05:40,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 13:05:40,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:40,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-12 13:05:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:40,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:41,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:41,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 13:05:41,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:41,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-12 13:05:41,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:41,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:41,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:05:41,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-12 13:05:41,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:41,332 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 370 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-12 13:05:41,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102477230] [2020-10-12 13:05:41,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:05:41,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:05:41,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994996454] [2020-10-12 13:05:41,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:05:41,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:41,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:05:41,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:05:41,336 INFO L87 Difference]: Start difference. First operand 1623 states and 2145 transitions. Second operand 7 states. [2020-10-12 13:05:43,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:43,811 INFO L93 Difference]: Finished difference Result 3737 states and 5057 transitions. [2020-10-12 13:05:43,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:05:43,812 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 379 [2020-10-12 13:05:43,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:43,826 INFO L225 Difference]: With dead ends: 3737 [2020-10-12 13:05:43,826 INFO L226 Difference]: Without dead ends: 2120 [2020-10-12 13:05:43,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:05:43,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2020-10-12 13:05:43,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 1969. [2020-10-12 13:05:43,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-10-12 13:05:43,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2427 transitions. [2020-10-12 13:05:43,913 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2427 transitions. Word has length 379 [2020-10-12 13:05:43,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:43,914 INFO L479 AbstractCegarLoop]: Abstraction has 1969 states and 2427 transitions. [2020-10-12 13:05:43,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:05:43,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2427 transitions. [2020-10-12 13:05:43,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-10-12 13:05:43,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:43,927 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:05:43,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 13:05:43,928 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:43,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:43,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1328630618, now seen corresponding path program 1 times [2020-10-12 13:05:43,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:43,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1967593352] [2020-10-12 13:05:43,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:44,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:44,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:44,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:46,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:46,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 402 [2020-10-12 13:05:46,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:05:46,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2815 [2020-10-12 13:05:46,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:46,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:46,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 332 [2020-10-12 13:05:46,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 13:05:46,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:46,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:46,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:46,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:46,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:46,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:46,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:05:46,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:46,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:46,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:05:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:47,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:47,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:47,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:05:47,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:47,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 13:05:47,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:47,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:47,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:05:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:47,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:47,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:47,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-12 13:05:47,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:47,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 13:05:47,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:47,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:47,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:47,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:47,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:47,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-12 13:05:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:47,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:47,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:47,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 13:05:47,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:47,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-12 13:05:47,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:47,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:47,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:47,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 13:05:47,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-10-12 13:05:47,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1967593352] [2020-10-12 13:05:47,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:05:47,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:05:47,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142487037] [2020-10-12 13:05:47,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:05:47,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:47,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:05:47,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:05:47,517 INFO L87 Difference]: Start difference. First operand 1969 states and 2427 transitions. Second operand 5 states. [2020-10-12 13:05:48,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:48,376 INFO L93 Difference]: Finished difference Result 3803 states and 4701 transitions. [2020-10-12 13:05:48,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:05:48,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 388 [2020-10-12 13:05:48,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:48,377 INFO L225 Difference]: With dead ends: 3803 [2020-10-12 13:05:48,378 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 13:05:48,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:05:48,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 13:05:48,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 13:05:48,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 13:05:48,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 13:05:48,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 388 [2020-10-12 13:05:48,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:48,389 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 13:05:48,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:05:48,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 13:05:48,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 13:05:48,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 13:05:48,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 13:05:48,874 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 83 [2020-10-12 13:05:49,034 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 83 [2020-10-12 13:05:49,484 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 54 [2020-10-12 13:05:49,752 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 44 [2020-10-12 13:05:50,009 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 44 [2020-10-12 13:05:50,012 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:05:50,013 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-12 13:05:50,013 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:05:50,013 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-12 13:05:50,013 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,013 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,013 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,013 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,014 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,014 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,014 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-12 13:05:50,014 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-12 13:05:50,014 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-12 13:05:50,014 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-12 13:05:50,014 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-12 13:05:50,014 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-12 13:05:50,015 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-12 13:05:50,015 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-12 13:05:50,015 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-12 13:05:50,015 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-12 13:05:50,015 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-12 13:05:50,015 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,015 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,016 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,016 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,016 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,016 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-12 13:05:50,016 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-12 13:05:50,016 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-12 13:05:50,016 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-12 13:05:50,016 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-12 13:05:50,016 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-12 13:05:50,017 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-12 13:05:50,017 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-12 13:05:50,017 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-12 13:05:50,017 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-12 13:05:50,017 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-12 13:05:50,017 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-12 13:05:50,017 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-12 13:05:50,017 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 196) no Hoare annotation was computed. [2020-10-12 13:05:50,018 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-12 13:05:50,018 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,018 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,018 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,018 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,018 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,018 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-12 13:05:50,018 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-12 13:05:50,018 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-12 13:05:50,018 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-12 13:05:50,019 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-12 13:05:50,019 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-12 13:05:50,019 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-12 13:05:50,019 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-12 13:05:50,019 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-12 13:05:50,019 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-12 13:05:50,019 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,019 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,019 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,019 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,020 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,020 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-12 13:05:50,020 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-12 13:05:50,020 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-12 13:05:50,020 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-12 13:05:50,020 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-12 13:05:50,020 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-12 13:05:50,020 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-12 13:05:50,021 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-12 13:05:50,021 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-12 13:05:50,021 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-12 13:05:50,021 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-12 13:05:50,021 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-12 13:05:50,021 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-12 13:05:50,021 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,021 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,022 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,022 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,022 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,022 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-12 13:05:50,022 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-12 13:05:50,022 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-12 13:05:50,022 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-12 13:05:50,022 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-12 13:05:50,022 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-12 13:05:50,023 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-12 13:05:50,023 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-12 13:05:50,023 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-12 13:05:50,023 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,023 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,023 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,023 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,023 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,024 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,024 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,024 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-12 13:05:50,024 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-12 13:05:50,024 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-12 13:05:50,024 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-12 13:05:50,024 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-12 13:05:50,024 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-12 13:05:50,025 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-12 13:05:50,025 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-12 13:05:50,025 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-12 13:05:50,025 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-12 13:05:50,025 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-12 13:05:50,025 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-12 13:05:50,025 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-12 13:05:50,025 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,025 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,026 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,026 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,026 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-12 13:05:50,026 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,026 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,026 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-12 13:05:50,026 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-12 13:05:50,026 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-12 13:05:50,027 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-12 13:05:50,027 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-12 13:05:50,027 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-12 13:05:50,027 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-12 13:05:50,027 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-12 13:05:50,027 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-12 13:05:50,027 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-12 13:05:50,027 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-12 13:05:50,028 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-12 13:05:50,028 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-12 13:05:50,028 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,028 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,028 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,028 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,028 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,029 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,029 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-12 13:05:50,029 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-12 13:05:50,029 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-12 13:05:50,029 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-12 13:05:50,029 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-12 13:05:50,029 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-12 13:05:50,029 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-12 13:05:50,030 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-12 13:05:50,030 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-12 13:05:50,030 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-12 13:05:50,030 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-12 13:05:50,030 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= ~a12~0 0))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse1 (= |old(~a10~0)| 1)) (.cse4 (not (<= |old(~a19~0)| 9)))) (and (or (not (<= 9 |old(~a19~0)|)) .cse0 (not .cse1)) (or (not (<= |old(~a19~0)| 7)) (not (<= 7 |old(~a19~0)|)) (not (<= 221 |old(~a1~0)|)) .cse0 .cse2 .cse3) (or (not (<= 331498 |old(~a1~0)|)) .cse0 .cse2 (not (= 8 |old(~a19~0)|)) .cse3) (or .cse0 .cse4 (not (<= |old(~a1~0)| 33))) (or (not (<= |old(~a10~0)| 0)) .cse0) (or .cse0 .cse1 .cse4))) [2020-10-12 13:05:50,031 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-12 13:05:50,031 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-12 13:05:50,031 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-12 13:05:50,031 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,031 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,031 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,031 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,031 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,032 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,032 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-12 13:05:50,032 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-12 13:05:50,032 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-12 13:05:50,032 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-12 13:05:50,032 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-12 13:05:50,032 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-12 13:05:50,032 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-12 13:05:50,033 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-12 13:05:50,033 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-12 13:05:50,033 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-12 13:05:50,033 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-12 13:05:50,033 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-12 13:05:50,033 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-12 13:05:50,033 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,033 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,034 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,034 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,034 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,034 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,034 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-12 13:05:50,034 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-12 13:05:50,034 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-12 13:05:50,034 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-12 13:05:50,035 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-12 13:05:50,035 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-12 13:05:50,035 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-12 13:05:50,035 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-12 13:05:50,035 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-12 13:05:50,035 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-12 13:05:50,035 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-12 13:05:50,035 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-12 13:05:50,036 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,036 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,036 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,036 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,036 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,036 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:50,036 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-12 13:05:50,036 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-12 13:05:50,037 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-12 13:05:50,037 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-12 13:05:50,037 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-12 13:05:50,037 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-12 13:05:50,037 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-12 13:05:50,037 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-12 13:05:50,037 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-12 13:05:50,037 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-12 13:05:50,038 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-12 13:05:50,038 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-12 13:05:50,038 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:05:50,038 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= ~a1~0 33) (<= ~a19~0 9)) [2020-10-12 13:05:50,038 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 13:05:50,038 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:05:50,039 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a1~0)| 33))) [2020-10-12 13:05:50,039 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-12 13:05:50,039 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9)) (.cse3 (= ~a10~0 1))) (or (and (= ~a19~0 8) (<= 331498 ~a1~0) .cse0 .cse1) (and (<= ~a1~0 33) .cse2) (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= ~a19~0 7) .cse0 (<= 7 ~a19~0) .cse1 (<= 221 ~a1~0)) (and (not .cse3) .cse2) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a1~0)| 33)) (and .cse3 (<= 9 ~a19~0)))) [2020-10-12 13:05:50,039 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-12 13:05:50,039 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-12 13:05:50,039 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9)) (.cse3 (= ~a10~0 1))) (or (and (= ~a19~0 8) (<= 331498 ~a1~0) .cse0 .cse1) (and (<= ~a1~0 33) .cse2) (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= ~a19~0 7) .cse0 (<= 7 ~a19~0) .cse1 (<= 221 ~a1~0)) (and (not .cse3) .cse2) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a1~0)| 33)) (and .cse3 (<= 9 ~a19~0)))) [2020-10-12 13:05:50,040 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-12 13:05:50,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:05:50 BoogieIcfgContainer [2020-10-12 13:05:50,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:05:50,064 INFO L168 Benchmark]: Toolchain (without parser) took 30176.35 ms. Allocated memory was 139.5 MB in the beginning and 778.6 MB in the end (delta: 639.1 MB). Free memory was 100.9 MB in the beginning and 366.5 MB in the end (delta: -265.5 MB). Peak memory consumption was 373.6 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:50,065 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-12 13:05:50,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.27 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 100.9 MB in the beginning and 169.6 MB in the end (delta: -68.7 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:50,067 INFO L168 Benchmark]: Boogie Preprocessor took 105.98 ms. Allocated memory is still 204.5 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:50,068 INFO L168 Benchmark]: RCFGBuilder took 1317.31 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 165.6 MB in the beginning and 181.9 MB in the end (delta: -16.3 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:50,069 INFO L168 Benchmark]: TraceAbstraction took 28003.53 ms. Allocated memory was 238.0 MB in the beginning and 778.6 MB in the end (delta: 540.5 MB). Free memory was 180.2 MB in the beginning and 366.5 MB in the end (delta: -186.3 MB). Peak memory consumption was 354.2 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:50,073 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 744.27 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 100.9 MB in the beginning and 169.6 MB in the end (delta: -68.7 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.98 ms. Allocated memory is still 204.5 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1317.31 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 165.6 MB in the beginning and 181.9 MB in the end (delta: -16.3 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28003.53 ms. Allocated memory was 238.0 MB in the beginning and 778.6 MB in the end (delta: 540.5 MB). Free memory was 180.2 MB in the beginning and 366.5 MB in the end (delta: -186.3 MB). Peak memory consumption was 354.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 196]: 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 && 331498 <= a1) && 14 == a4) && a12 == 0) || (a1 <= 33 && a19 <= 9)) || a10 <= 0) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || ((((a19 <= 7 && 14 == a4) && 7 <= a19) && a12 == 0) && 221 <= a1)) || (!(a10 == 1) && a19 <= 9)) || !(\old(a19) <= 9)) || !(\old(a1) <= 33)) || (a10 == 1 && 9 <= a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.2s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 186 SDtfs, 3169 SDslu, 211 SDs, 0 SdLazy, 5785 SolverSat, 995 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=6, 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, 7 MinimizatonAttempts, 910 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 79 PreInvPairs, 127 NumberOfFragments, 347 HoareAnnotationTreeSize, 79 FomulaSimplifications, 31635 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3376 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 1585 NumberOfCodeBlocks, 1585 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1578 ConstructedInterpolants, 0 QuantifiedInterpolants, 1219860 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 1286/1299 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...