/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/Problem02_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 11:14:53,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 11:14:53,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 11:14:53,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 11:14:53,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 11:14:53,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 11:14:53,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 11:14:53,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 11:14:53,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 11:14:53,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 11:14:53,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 11:14:53,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 11:14:53,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 11:14:53,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 11:14:53,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 11:14:53,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 11:14:53,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 11:14:53,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 11:14:53,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 11:14:53,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 11:14:53,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 11:14:53,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 11:14:53,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 11:14:53,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 11:14:53,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 11:14:53,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 11:14:53,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 11:14:53,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 11:14:53,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 11:14:53,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 11:14:53,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 11:14:53,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 11:14:53,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 11:14:53,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 11:14:53,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 11:14:53,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 11:14:53,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 11:14:53,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 11:14:53,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 11:14:53,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 11:14:53,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 11:14:53,698 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 11:14:53,744 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 11:14:53,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 11:14:53,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 11:14:53,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 11:14:53,746 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 11:14:53,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 11:14:53,747 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 11:14:53,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 11:14:53,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 11:14:53,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 11:14:53,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 11:14:53,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 11:14:53,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 11:14:53,749 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 11:14:53,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 11:14:53,750 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 11:14:53,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 11:14:53,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 11:14:53,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 11:14:53,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 11:14:53,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 11:14:53,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:14:53,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 11:14:53,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 11:14:53,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 11:14:53,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 11:14:53,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 11:14:53,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 11:14:53,752 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 11:14:53,753 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 11:14:54,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 11:14:54,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 11:14:54,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 11:14:54,118 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 11:14:54,119 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 11:14:54,119 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label45.c [2020-10-12 11:14:54,179 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bd9529ef/189a08fc049141369c4d570849f46ff8/FLAG72c49f567 [2020-10-12 11:14:54,759 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 11:14:54,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label45.c [2020-10-12 11:14:54,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bd9529ef/189a08fc049141369c4d570849f46ff8/FLAG72c49f567 [2020-10-12 11:14:55,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bd9529ef/189a08fc049141369c4d570849f46ff8 [2020-10-12 11:14:55,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 11:14:55,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 11:14:55,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 11:14:55,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 11:14:55,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 11:14:55,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:14:55" (1/1) ... [2020-10-12 11:14:55,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2f0e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:55, skipping insertion in model container [2020-10-12 11:14:55,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:14:55" (1/1) ... [2020-10-12 11:14:55,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 11:14:55,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 11:14:55,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:14:55,644 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 11:14:55,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:14:55,754 INFO L208 MainTranslator]: Completed translation [2020-10-12 11:14:55,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:55 WrapperNode [2020-10-12 11:14:55,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 11:14:55,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 11:14:55,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 11:14:55,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 11:14:55,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:55" (1/1) ... [2020-10-12 11:14:55,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:55" (1/1) ... [2020-10-12 11:14:55,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:55" (1/1) ... [2020-10-12 11:14:55,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:55" (1/1) ... [2020-10-12 11:14:55,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:55" (1/1) ... [2020-10-12 11:14:55,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:55" (1/1) ... [2020-10-12 11:14:55,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:55" (1/1) ... [2020-10-12 11:14:55,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 11:14:55,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 11:14:55,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 11:14:55,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 11:14:55,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:55" (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 11:14:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 11:14:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 11:14:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 11:14:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 11:14:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 11:14:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 11:14:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 11:14:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 11:14:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 11:14:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 11:14:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 11:14:57,027 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 11:14:57,027 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 11:14:57,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:14:57 BoogieIcfgContainer [2020-10-12 11:14:57,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 11:14:57,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 11:14:57,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 11:14:57,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 11:14:57,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:14:55" (1/3) ... [2020-10-12 11:14:57,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc20071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:14:57, skipping insertion in model container [2020-10-12 11:14:57,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:55" (2/3) ... [2020-10-12 11:14:57,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc20071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:14:57, skipping insertion in model container [2020-10-12 11:14:57,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:14:57" (3/3) ... [2020-10-12 11:14:57,044 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label45.c [2020-10-12 11:14:57,057 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 11:14:57,066 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 11:14:57,082 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 11:14:57,110 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 11:14:57,110 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 11:14:57,110 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 11:14:57,110 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 11:14:57,111 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 11:14:57,111 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 11:14:57,111 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 11:14:57,111 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 11:14:57,136 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-12 11:14:57,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-12 11:14:57,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:57,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:57,149 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:57,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:57,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1702778474, now seen corresponding path program 1 times [2020-10-12 11:14:57,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:57,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972854916] [2020-10-12 11:14:57,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:57,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:57,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:58,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:58,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 11:14:58,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:58,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1332 [2020-10-12 11:14:58,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 11:14:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:14:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:14:58,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 11:14:59,305 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-10-12 11:14:59,501 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2020-10-12 11:14:59,741 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 45 [2020-10-12 11:14:59,928 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 41 [2020-10-12 11:15:00,091 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 36 [2020-10-12 11:15:00,232 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2020-10-12 11:15:00,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:00,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:00,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:00,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:00,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:00,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 11:15:00,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:00,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:00,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:00,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:15:00,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:00,435 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 11:15:00,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972854916] [2020-10-12 11:15:00,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 11:15:00,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 11:15:00,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198406672] [2020-10-12 11:15:00,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 11:15:00,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:00,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 11:15:00,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-12 11:15:00,464 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 11 states. [2020-10-12 11:15:00,946 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-12 11:15:01,224 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2020-10-12 11:15:01,560 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2020-10-12 11:15:02,185 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 93 [2020-10-12 11:15:02,692 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2020-10-12 11:15:03,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:03,716 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-12 11:15:03,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:15:03,722 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-10-12 11:15:03,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:03,746 INFO L225 Difference]: With dead ends: 536 [2020-10-12 11:15:03,747 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:15:03,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:15:03,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:15:03,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:15:03,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:15:03,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-12 11:15:03,829 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 88 [2020-10-12 11:15:03,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:03,830 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-12 11:15:03,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 11:15:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-12 11:15:03,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-12 11:15:03,836 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:03,836 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:03,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 11:15:03,837 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:03,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:03,837 INFO L82 PathProgramCache]: Analyzing trace with hash 739437447, now seen corresponding path program 1 times [2020-10-12 11:15:03,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:03,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1496138776] [2020-10-12 11:15:03,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:03,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:04,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:04,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:05,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:05,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-12 11:15:05,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:05,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1132 [2020-10-12 11:15:05,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:05,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:05,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 11:15:05,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 11:15:05,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:05,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:05,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:05,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:05,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:05,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:05,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:15:05,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:05,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:05,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:05,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:05,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:05,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 11:15:05,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:05,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:15:05,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:05,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:05,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:05,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 11:15:05,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:05,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:05,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1496138776] [2020-10-12 11:15:05,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:05,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:05,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900558924] [2020-10-12 11:15:05,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:05,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:05,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:05,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:05,464 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-12 11:15:07,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:07,359 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-12 11:15:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 11:15:07,359 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-10-12 11:15:07,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:07,363 INFO L225 Difference]: With dead ends: 549 [2020-10-12 11:15:07,364 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:15:07,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-12 11:15:07,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:15:07,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:15:07,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:15:07,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-12 11:15:07,383 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 97 [2020-10-12 11:15:07,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:07,384 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-12 11:15:07,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:07,384 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-12 11:15:07,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-12 11:15:07,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:07,387 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:07,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 11:15:07,387 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:07,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:07,388 INFO L82 PathProgramCache]: Analyzing trace with hash -791635457, now seen corresponding path program 1 times [2020-10-12 11:15:07,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:07,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403679424] [2020-10-12 11:15:07,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:07,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:07,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:07,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:08,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:08,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 11:15:08,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:08,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1028 [2020-10-12 11:15:08,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:08,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:08,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 11:15:08,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 11:15:08,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:08,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:08,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:08,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:08,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:08,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:08,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:15:08,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:08,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:08,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:08,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:08,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:08,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:15:08,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:08,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:15:08,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:08,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:08,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:08,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 11:15:08,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:09,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403679424] [2020-10-12 11:15:09,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:09,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:09,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114637154] [2020-10-12 11:15:09,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:09,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:09,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:09,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:09,008 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-12 11:15:10,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:10,711 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-12 11:15:10,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:15:10,711 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 101 [2020-10-12 11:15:10,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:10,716 INFO L225 Difference]: With dead ends: 554 [2020-10-12 11:15:10,716 INFO L226 Difference]: Without dead ends: 327 [2020-10-12 11:15:10,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:15:10,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-12 11:15:10,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-12 11:15:10,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:15:10,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-12 11:15:10,740 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 101 [2020-10-12 11:15:10,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:10,741 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-12 11:15:10,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:10,741 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-12 11:15:10,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-12 11:15:10,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:10,744 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:10,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 11:15:10,745 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:10,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:10,745 INFO L82 PathProgramCache]: Analyzing trace with hash 2014345303, now seen corresponding path program 1 times [2020-10-12 11:15:10,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:10,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822846688] [2020-10-12 11:15:10,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:10,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:10,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:10,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 11:15:10,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:10,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-12 11:15:10,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:15:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-12 11:15:10,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:11,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:11,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:11,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:11,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:11,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:11,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:11,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:11,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:11,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:11,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:11,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:11,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:15:11,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:11,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:15:11,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:11,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:11,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:15:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:11,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:11,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:11,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:15:11,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:11,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 11:15:11,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:11,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:11,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:11,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:15:11,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:11,180 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 11:15:11,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822846688] [2020-10-12 11:15:11,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:11,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:15:11,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420010299] [2020-10-12 11:15:11,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:15:11,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:11,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:15:11,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:15:11,187 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-12 11:15:12,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:12,260 INFO L93 Difference]: Finished difference Result 782 states and 1010 transitions. [2020-10-12 11:15:12,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:15:12,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-10-12 11:15:12,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:12,264 INFO L225 Difference]: With dead ends: 782 [2020-10-12 11:15:12,264 INFO L226 Difference]: Without dead ends: 319 [2020-10-12 11:15:12,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 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 11:15:12,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-10-12 11:15:12,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 314. [2020-10-12 11:15:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2020-10-12 11:15:12,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 377 transitions. [2020-10-12 11:15:12,289 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 377 transitions. Word has length 123 [2020-10-12 11:15:12,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:12,289 INFO L479 AbstractCegarLoop]: Abstraction has 314 states and 377 transitions. [2020-10-12 11:15:12,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:15:12,290 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 377 transitions. [2020-10-12 11:15:12,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-12 11:15:12,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:12,293 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:12,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 11:15:12,293 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:12,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:12,293 INFO L82 PathProgramCache]: Analyzing trace with hash -845945834, now seen corresponding path program 1 times [2020-10-12 11:15:12,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:12,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538272349] [2020-10-12 11:15:12,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:12,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:12,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:12,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:13,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:13,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 11:15:13,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:13,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1180 [2020-10-12 11:15:13,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:13,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:13,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 11:15:13,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 11:15:13,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:13,980 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-12 11:15:14,111 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2020-10-12 11:15:14,278 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 46 [2020-10-12 11:15:14,482 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 47 [2020-10-12 11:15:14,718 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 43 [2020-10-12 11:15:14,906 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 39 [2020-10-12 11:15:15,111 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 34 [2020-10-12 11:15:15,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:15,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:15,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:15,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:15,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:15,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:15,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:15,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:15,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:15,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:15,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:15,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:15,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:15,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:15,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:15,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:15,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 11:15:15,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:15,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:15:15,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:15,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [538272349] [2020-10-12 11:15:15,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:15,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:15,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112568689] [2020-10-12 11:15:15,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:15,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:15,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:15,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:15,488 INFO L87 Difference]: Start difference. First operand 314 states and 377 transitions. Second operand 12 states. [2020-10-12 11:15:15,940 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-12 11:15:16,190 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-12 11:15:16,513 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2020-10-12 11:15:17,109 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2020-10-12 11:15:17,737 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-10-12 11:15:18,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:18,141 INFO L93 Difference]: Finished difference Result 715 states and 901 transitions. [2020-10-12 11:15:18,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:15:18,142 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 122 [2020-10-12 11:15:18,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:18,145 INFO L225 Difference]: With dead ends: 715 [2020-10-12 11:15:18,145 INFO L226 Difference]: Without dead ends: 369 [2020-10-12 11:15:18,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-12 11:15:18,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-10-12 11:15:18,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 362. [2020-10-12 11:15:18,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-10-12 11:15:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 428 transitions. [2020-10-12 11:15:18,163 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 428 transitions. Word has length 122 [2020-10-12 11:15:18,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:18,164 INFO L479 AbstractCegarLoop]: Abstraction has 362 states and 428 transitions. [2020-10-12 11:15:18,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:18,164 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 428 transitions. [2020-10-12 11:15:18,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-12 11:15:18,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:18,167 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:18,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 11:15:18,168 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:18,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:18,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1233770447, now seen corresponding path program 1 times [2020-10-12 11:15:18,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:18,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1505148789] [2020-10-12 11:15:18,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:18,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:18,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:18,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 11:15:18,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:18,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-12 11:15:18,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:18,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-12 11:15:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-12 11:15:18,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:18,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:18,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:18,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:18,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:18,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:18,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:18,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:18,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:18,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:18,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:18,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:18,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:18,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:18,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:18,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:18,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:18,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:15:18,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:18,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:18,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:18,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:18,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:18,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:18,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:18,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:18,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:18,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:18,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:15:18,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:18,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:18,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:18,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:15:18,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:18,582 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 11:15:18,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1505148789] [2020-10-12 11:15:18,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:18,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:15:18,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130253556] [2020-10-12 11:15:18,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:15:18,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:18,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:15:18,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:15:18,586 INFO L87 Difference]: Start difference. First operand 362 states and 428 transitions. Second operand 5 states. [2020-10-12 11:15:19,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:19,725 INFO L93 Difference]: Finished difference Result 870 states and 1066 transitions. [2020-10-12 11:15:19,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:15:19,726 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-10-12 11:15:19,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:19,729 INFO L225 Difference]: With dead ends: 870 [2020-10-12 11:15:19,729 INFO L226 Difference]: Without dead ends: 514 [2020-10-12 11:15:19,730 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 11:15:19,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-10-12 11:15:19,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 511. [2020-10-12 11:15:19,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-10-12 11:15:19,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 619 transitions. [2020-10-12 11:15:19,751 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 619 transitions. Word has length 130 [2020-10-12 11:15:19,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:19,751 INFO L479 AbstractCegarLoop]: Abstraction has 511 states and 619 transitions. [2020-10-12 11:15:19,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:15:19,752 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 619 transitions. [2020-10-12 11:15:19,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-12 11:15:19,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:19,757 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:15:19,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 11:15:19,758 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:19,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:19,758 INFO L82 PathProgramCache]: Analyzing trace with hash 933955241, now seen corresponding path program 1 times [2020-10-12 11:15:19,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:19,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983235944] [2020-10-12 11:15:19,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:19,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:19,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:19,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:20,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:20,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-12 11:15:24,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:15:24,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4516 [2020-10-12 11:15:24,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:24,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-12 11:15:24,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 11:15:24,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:24,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:24,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:24,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:24,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:24,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:24,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:24,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:24,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:24,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:24,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:15:24,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:24,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:24,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:24,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:24,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:24,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:24,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:24,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:24,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:15:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:24,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 11:15:24,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:24,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 11:15:24,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:24,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:24,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 11:15:24,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-12 11:15:24,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983235944] [2020-10-12 11:15:24,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:24,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:24,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71423852] [2020-10-12 11:15:24,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:24,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:24,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:24,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:24,988 INFO L87 Difference]: Start difference. First operand 511 states and 619 transitions. Second operand 12 states. [2020-10-12 11:15:26,105 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2020-10-12 11:15:26,340 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2020-10-12 11:15:26,616 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-10-12 11:15:26,834 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2020-10-12 11:15:27,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:27,086 INFO L93 Difference]: Finished difference Result 1096 states and 1373 transitions. [2020-10-12 11:15:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:15:27,088 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 153 [2020-10-12 11:15:27,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:27,092 INFO L225 Difference]: With dead ends: 1096 [2020-10-12 11:15:27,092 INFO L226 Difference]: Without dead ends: 591 [2020-10-12 11:15:27,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:15:27,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2020-10-12 11:15:27,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 588. [2020-10-12 11:15:27,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-12 11:15:27,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 701 transitions. [2020-10-12 11:15:27,120 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 701 transitions. Word has length 153 [2020-10-12 11:15:27,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:27,121 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 701 transitions. [2020-10-12 11:15:27,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:27,121 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 701 transitions. [2020-10-12 11:15:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-12 11:15:27,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:27,124 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:15:27,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 11:15:27,125 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:27,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:27,125 INFO L82 PathProgramCache]: Analyzing trace with hash -610356347, now seen corresponding path program 1 times [2020-10-12 11:15:27,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:27,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009432492] [2020-10-12 11:15:27,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:27,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:27,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:27,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:28,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:28,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-12 11:15:28,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:28,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 885 [2020-10-12 11:15:28,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:28,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:15:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:15:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 11:15:28,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:28,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:28,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:28,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:28,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:28,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:28,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:15:28,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:28,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:15:28,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:28,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:28,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:28,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:28,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:28,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:28,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:28,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 11:15:28,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:15:28,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:28,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:28,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:28,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:28,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:28,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:28,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:28,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 11:15:28,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:28,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:28,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:28,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:15:28,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:28,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:15:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:28,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:28,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:28,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 11:15:28,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:28,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 11:15:28,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:28,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:28,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:28,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 11:15:28,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:28,399 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 59 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-12 11:15:28,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009432492] [2020-10-12 11:15:28,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:28,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:15:28,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808560159] [2020-10-12 11:15:28,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:15:28,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:28,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:15:28,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:15:28,405 INFO L87 Difference]: Start difference. First operand 588 states and 701 transitions. Second operand 7 states. [2020-10-12 11:15:29,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:29,654 INFO L93 Difference]: Finished difference Result 1495 states and 1865 transitions. [2020-10-12 11:15:29,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 11:15:29,657 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-10-12 11:15:29,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:29,664 INFO L225 Difference]: With dead ends: 1495 [2020-10-12 11:15:29,664 INFO L226 Difference]: Without dead ends: 913 [2020-10-12 11:15:29,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 3 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 11:15:29,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2020-10-12 11:15:29,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 890. [2020-10-12 11:15:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2020-10-12 11:15:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1087 transitions. [2020-10-12 11:15:29,698 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1087 transitions. Word has length 154 [2020-10-12 11:15:29,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:29,699 INFO L479 AbstractCegarLoop]: Abstraction has 890 states and 1087 transitions. [2020-10-12 11:15:29,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:15:29,699 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1087 transitions. [2020-10-12 11:15:29,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-12 11:15:29,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:29,703 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 11:15:29,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 11:15:29,703 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:29,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:29,704 INFO L82 PathProgramCache]: Analyzing trace with hash 895867501, now seen corresponding path program 1 times [2020-10-12 11:15:29,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:29,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983341821] [2020-10-12 11:15:29,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:29,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:29,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:30,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:31,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 11:15:31,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:31,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1520 [2020-10-12 11:15:31,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:31,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:31,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-12 11:15:31,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 11:15:31,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:31,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:31,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:31,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:31,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:31,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:15:31,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:31,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:31,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:31,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:31,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:31,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:31,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:15:31,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:31,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:31,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:31,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:31,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:31,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:31,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:31,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:31,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:31,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:31,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:31,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:31,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:31,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:31,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:31,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:15:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:31,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:32,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:32,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 11:15:32,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:32,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 11:15:32,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:32,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:32,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:32,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:15:32,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:32,247 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-12 11:15:32,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983341821] [2020-10-12 11:15:32,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:32,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:32,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639871034] [2020-10-12 11:15:32,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:32,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:32,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:32,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:32,251 INFO L87 Difference]: Start difference. First operand 890 states and 1087 transitions. Second operand 12 states. [2020-10-12 11:15:32,863 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-12 11:15:33,242 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2020-10-12 11:15:33,545 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-10-12 11:15:33,922 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2020-10-12 11:15:34,168 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2020-10-12 11:15:34,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:34,757 INFO L93 Difference]: Finished difference Result 1864 states and 2327 transitions. [2020-10-12 11:15:34,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:15:34,757 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-10-12 11:15:34,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:34,763 INFO L225 Difference]: With dead ends: 1864 [2020-10-12 11:15:34,763 INFO L226 Difference]: Without dead ends: 980 [2020-10-12 11:15:34,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:15:34,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-10-12 11:15:34,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 966. [2020-10-12 11:15:34,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2020-10-12 11:15:34,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1171 transitions. [2020-10-12 11:15:34,797 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1171 transitions. Word has length 166 [2020-10-12 11:15:34,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:34,797 INFO L479 AbstractCegarLoop]: Abstraction has 966 states and 1171 transitions. [2020-10-12 11:15:34,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1171 transitions. [2020-10-12 11:15:34,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-12 11:15:34,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:34,802 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:15:34,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 11:15:34,802 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:34,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:34,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1243249687, now seen corresponding path program 1 times [2020-10-12 11:15:34,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:34,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328919962] [2020-10-12 11:15:34,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:34,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:34,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:34,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:35,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:35,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:38,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:38,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-12 11:15:38,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:15:38,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3167 [2020-10-12 11:15:38,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:15:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:15:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 11:15:38,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:38,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:38,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:38,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:38,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:38,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:38,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:15:38,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:38,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:38,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:38,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:15:38,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:38,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:38,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:38,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:38,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:38,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:38,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:38,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-12 11:15:38,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:38,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:38,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:38,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:15:38,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:38,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:38,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:38,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:38,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:38,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:38,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:38,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:15:38,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:38,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:38,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:38,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:15:38,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:38,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:15:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:38,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:38,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:38,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 11:15:38,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:38,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 11:15:38,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:38,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 11:15:38,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:38,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 11:15:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:38,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:38,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:38,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 11:15:38,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:38,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:15:38,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 11:15:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:38,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:38,358 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 100 proven. 46 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-12 11:15:38,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328919962] [2020-10-12 11:15:38,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:38,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 11:15:38,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785754452] [2020-10-12 11:15:38,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 11:15:38,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:38,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 11:15:38,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:15:38,360 INFO L87 Difference]: Start difference. First operand 966 states and 1171 transitions. Second operand 8 states. [2020-10-12 11:15:39,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:39,033 INFO L93 Difference]: Finished difference Result 1691 states and 2035 transitions. [2020-10-12 11:15:39,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 11:15:39,034 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-10-12 11:15:39,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:39,038 INFO L225 Difference]: With dead ends: 1691 [2020-10-12 11:15:39,038 INFO L226 Difference]: Without dead ends: 731 [2020-10-12 11:15:39,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-12 11:15:39,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-10-12 11:15:39,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 725. [2020-10-12 11:15:39,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 725 states. [2020-10-12 11:15:39,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 816 transitions. [2020-10-12 11:15:39,064 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 816 transitions. Word has length 187 [2020-10-12 11:15:39,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:39,065 INFO L479 AbstractCegarLoop]: Abstraction has 725 states and 816 transitions. [2020-10-12 11:15:39,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 11:15:39,065 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 816 transitions. [2020-10-12 11:15:39,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-12 11:15:39,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:39,069 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:15:39,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 11:15:39,070 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:39,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:39,070 INFO L82 PathProgramCache]: Analyzing trace with hash 488299053, now seen corresponding path program 1 times [2020-10-12 11:15:39,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:39,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945663636] [2020-10-12 11:15:39,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:39,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:39,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:39,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:39,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:40,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:40,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-12 11:15:40,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:15:40,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 958 [2020-10-12 11:15:40,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:40,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:15:40,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-12 11:15:40,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 11:15:40,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:40,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:40,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:40,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:40,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:40,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:40,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:40,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:40,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:40,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:40,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:40,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:40,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:40,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:40,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:15:40,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:40,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:40,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:40,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:40,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:40,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:40,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:40,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:40,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:40,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:40,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:40,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:40,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:40,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:40,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:15:40,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:40,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:15:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:40,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:40,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:40,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:40,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:40,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:40,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 11:15:40,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:15:40,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-12 11:15:40,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 11:15:40,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:40,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 11:15:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:40,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:40,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:40,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 11:15:40,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:40,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 11:15:40,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:40,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:40,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:40,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 11:15:40,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 167 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 11:15:40,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945663636] [2020-10-12 11:15:40,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:40,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 11:15:40,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280900538] [2020-10-12 11:15:40,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 11:15:40,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:40,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 11:15:40,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:15:40,398 INFO L87 Difference]: Start difference. First operand 725 states and 816 transitions. Second operand 8 states. [2020-10-12 11:15:41,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:41,636 INFO L93 Difference]: Finished difference Result 1680 states and 1917 transitions. [2020-10-12 11:15:41,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:15:41,636 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2020-10-12 11:15:41,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:41,639 INFO L225 Difference]: With dead ends: 1680 [2020-10-12 11:15:41,639 INFO L226 Difference]: Without dead ends: 586 [2020-10-12 11:15:41,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:41,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2020-10-12 11:15:41,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 584. [2020-10-12 11:15:41,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2020-10-12 11:15:41,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 622 transitions. [2020-10-12 11:15:41,657 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 622 transitions. Word has length 200 [2020-10-12 11:15:41,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:41,657 INFO L479 AbstractCegarLoop]: Abstraction has 584 states and 622 transitions. [2020-10-12 11:15:41,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 11:15:41,658 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 622 transitions. [2020-10-12 11:15:41,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-12 11:15:41,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:41,661 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:41,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 11:15:41,662 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:41,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:41,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1191094022, now seen corresponding path program 1 times [2020-10-12 11:15:41,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:41,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834465121] [2020-10-12 11:15:41,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:41,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:41,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:41,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 11:15:41,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:41,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-12 11:15:41,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:41,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 11:15:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 11:15:41,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:42,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:42,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:42,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:42,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:42,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:42,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:42,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:42,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:42,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:42,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:42,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:42,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:42,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:42,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:42,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 11:15:42,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:42,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:15:42,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:42,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:42,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:42,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:42,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:42,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 11:15:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:42,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:42,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:42,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 11:15:42,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:42,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 11:15:42,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:42,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:42,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:42,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-12 11:15:42,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:42,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 11:15:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:42,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:42,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:42,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 11:15:42,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:42,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 11:15:42,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:42,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:42,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:42,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 11:15:42,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:42,364 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-12 11:15:42,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834465121] [2020-10-12 11:15:42,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:42,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:15:42,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541515691] [2020-10-12 11:15:42,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:15:42,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:42,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:15:42,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:15:42,366 INFO L87 Difference]: Start difference. First operand 584 states and 622 transitions. Second operand 7 states. [2020-10-12 11:15:43,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:43,360 INFO L93 Difference]: Finished difference Result 1411 states and 1539 transitions. [2020-10-12 11:15:43,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 11:15:43,361 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-10-12 11:15:43,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:43,365 INFO L225 Difference]: With dead ends: 1411 [2020-10-12 11:15:43,365 INFO L226 Difference]: Without dead ends: 887 [2020-10-12 11:15:43,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-12 11:15:43,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-10-12 11:15:43,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 882. [2020-10-12 11:15:43,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-10-12 11:15:43,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 953 transitions. [2020-10-12 11:15:43,388 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 953 transitions. Word has length 240 [2020-10-12 11:15:43,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:43,388 INFO L479 AbstractCegarLoop]: Abstraction has 882 states and 953 transitions. [2020-10-12 11:15:43,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:15:43,388 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 953 transitions. [2020-10-12 11:15:43,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-12 11:15:43,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:43,393 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:43,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 11:15:43,394 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:43,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:43,394 INFO L82 PathProgramCache]: Analyzing trace with hash 2011118468, now seen corresponding path program 1 times [2020-10-12 11:15:43,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:43,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752202624] [2020-10-12 11:15:43,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 11:15:43,438 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 11:15:43,438 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 11:15:43,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 11:15:43,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:15:43 BoogieIcfgContainer [2020-10-12 11:15:43,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 11:15:43,491 INFO L168 Benchmark]: Toolchain (without parser) took 48440.69 ms. Allocated memory was 142.6 MB in the beginning and 732.4 MB in the end (delta: 589.8 MB). Free memory was 103.7 MB in the beginning and 390.8 MB in the end (delta: -287.0 MB). Peak memory consumption was 302.8 MB. Max. memory is 7.1 GB. [2020-10-12 11:15:43,492 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 142.6 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 11:15:43,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.83 ms. Allocated memory was 142.6 MB in the beginning and 206.0 MB in the end (delta: 63.4 MB). Free memory was 103.5 MB in the beginning and 172.6 MB in the end (delta: -69.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2020-10-12 11:15:43,493 INFO L168 Benchmark]: Boogie Preprocessor took 109.31 ms. Allocated memory is still 206.0 MB. Free memory was 172.6 MB in the beginning and 167.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-10-12 11:15:43,494 INFO L168 Benchmark]: RCFGBuilder took 1169.58 ms. Allocated memory was 206.0 MB in the beginning and 234.9 MB in the end (delta: 28.8 MB). Free memory was 167.5 MB in the beginning and 172.2 MB in the end (delta: -4.7 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2020-10-12 11:15:43,495 INFO L168 Benchmark]: TraceAbstraction took 46453.21 ms. Allocated memory was 234.9 MB in the beginning and 732.4 MB in the end (delta: 497.5 MB). Free memory was 172.2 MB in the beginning and 390.8 MB in the end (delta: -218.6 MB). Peak memory consumption was 278.9 MB. Max. memory is 7.1 GB. [2020-10-12 11:15:43,497 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 142.6 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.83 ms. Allocated memory was 142.6 MB in the beginning and 206.0 MB in the end (delta: 63.4 MB). Free memory was 103.5 MB in the beginning and 172.6 MB in the end (delta: -69.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.31 ms. Allocated memory is still 206.0 MB. Free memory was 172.6 MB in the beginning and 167.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1169.58 ms. Allocated memory was 206.0 MB in the beginning and 234.9 MB in the end (delta: 28.8 MB). Free memory was 167.5 MB in the beginning and 172.2 MB in the end (delta: -4.7 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 46453.21 ms. Allocated memory was 234.9 MB in the beginning and 732.4 MB in the end (delta: 497.5 MB). Free memory was 172.2 MB in the beginning and 390.8 MB in the end (delta: -218.6 MB). Peak memory consumption was 278.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 418]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int a= 1; [L8] int e= 5; [L9] int d= 4; [L10] int f= 6; [L11] int c= 3; [L14] int u = 21; [L15] int v = 22; [L16] int w = 23; [L17] int x = 24; [L18] int y = 25; [L19] int z = 26; [L22] int a25 = 0; [L23] int a11 = 0; [L24] int a28 = 7; [L25] int a19 = 1; [L26] int a21 = 1; [L27] int a17 = 8; [L603] int output = -1; [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL, EXPR calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L234] COND TRUE ((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1))) [L235] a28 = 9 [L236] return 23; [L614] RET, EXPR calculate_output(input) [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL, EXPR calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L234] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L237] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L248] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L253] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L259] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L261] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L276] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L280] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L283] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L286] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L291] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L293] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L297] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L309] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L314] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L328] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L331] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L337] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L349] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) [L354] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) [L361] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) [L368] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) [L375] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) [L378] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) [L380] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) [L389] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) [L394] COND TRUE (((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1)) [L395] a19 = 0 [L396] a28 = 7 [L397] return 25; [L614] RET, EXPR calculate_output(input) [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL, EXPR calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L148] COND TRUE ((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1)) [L149] a11 = 1 [L150] a19 = 1 [L151] a28 = 10 [L152] a25 = 1 [L153] return -1; [L614] RET, EXPR calculate_output(input) [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L234] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L237] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L248] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L253] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L259] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L261] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L276] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L280] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L283] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L286] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L291] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L293] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L297] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L309] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L314] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L328] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L331] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L337] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L349] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) [L354] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) [L361] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) [L368] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) [L375] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) [L378] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) [L380] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) [L389] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) [L394] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) [L398] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) [L402] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) [L404] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) [L407] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) [L409] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) [L414] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) [L417] COND TRUE ((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8)) [L418] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 46.3s, OverallIterations: 13, TraceHistogramMax: 5, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 401 SDtfs, 5229 SDslu, 593 SDs, 0 SdLazy, 9530 SolverSat, 972 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 263 GetRequests, 104 SyntacticMatches, 8 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=966occurred in iteration=9, 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, 12 MinimizatonAttempts, 83 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 23.4s InterpolantComputationTime, 2008 NumberOfCodeBlocks, 2008 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1749 ConstructedInterpolants, 0 QuantifiedInterpolants, 2650279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 996/1082 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 incorrect! Received shutdown request...