/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_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 11:13:12,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 11:13:12,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 11:13:12,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 11:13:12,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 11:13:12,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 11:13:12,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 11:13:12,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 11:13:12,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 11:13:12,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 11:13:12,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 11:13:12,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 11:13:12,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 11:13:12,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 11:13:12,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 11:13:12,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 11:13:12,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 11:13:12,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 11:13:12,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 11:13:12,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 11:13:12,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 11:13:12,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 11:13:12,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 11:13:12,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 11:13:12,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 11:13:12,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 11:13:12,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 11:13:12,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 11:13:12,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 11:13:12,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 11:13:12,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 11:13:12,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 11:13:12,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 11:13:12,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 11:13:12,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 11:13:12,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 11:13:12,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 11:13:12,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 11:13:12,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 11:13:12,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 11:13:12,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 11:13:12,802 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 11:13:12,824 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 11:13:12,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 11:13:12,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 11:13:12,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 11:13:12,825 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 11:13:12,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 11:13:12,826 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 11:13:12,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 11:13:12,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 11:13:12,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 11:13:12,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 11:13:12,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 11:13:12,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 11:13:12,827 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 11:13:12,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 11:13:12,827 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 11:13:12,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 11:13:12,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 11:13:12,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 11:13:12,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 11:13:12,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 11:13:12,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:13:12,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 11:13:12,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 11:13:12,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 11:13:12,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 11:13:12,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 11:13:12,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 11:13:12,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 11:13:12,830 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 11:13:13,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 11:13:13,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 11:13:13,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 11:13:13,143 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 11:13:13,143 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 11:13:13,144 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label21.c [2020-10-12 11:13:13,202 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5523387e/d0dd78519211466a8e60dc2a834fb8c0/FLAG3c20c123c [2020-10-12 11:13:13,697 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 11:13:13,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label21.c [2020-10-12 11:13:13,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5523387e/d0dd78519211466a8e60dc2a834fb8c0/FLAG3c20c123c [2020-10-12 11:13:13,949 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5523387e/d0dd78519211466a8e60dc2a834fb8c0 [2020-10-12 11:13:13,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 11:13:13,961 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 11:13:13,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 11:13:13,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 11:13:13,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 11:13:13,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:13:13" (1/1) ... [2020-10-12 11:13:13,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fcdcd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:13, skipping insertion in model container [2020-10-12 11:13:13,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:13:13" (1/1) ... [2020-10-12 11:13:13,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 11:13:14,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 11:13:14,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:13:14,439 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 11:13:14,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:13:14,663 INFO L208 MainTranslator]: Completed translation [2020-10-12 11:13:14,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:14 WrapperNode [2020-10-12 11:13:14,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 11:13:14,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 11:13:14,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 11:13:14,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 11:13:14,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:14" (1/1) ... [2020-10-12 11:13:14,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:14" (1/1) ... [2020-10-12 11:13:14,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:14" (1/1) ... [2020-10-12 11:13:14,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:14" (1/1) ... [2020-10-12 11:13:14,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:14" (1/1) ... [2020-10-12 11:13:14,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:14" (1/1) ... [2020-10-12 11:13:14,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:14" (1/1) ... [2020-10-12 11:13:14,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 11:13:14,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 11:13:14,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 11:13:14,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 11:13:14,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:14" (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 11:13:14,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 11:13:14,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 11:13:14,875 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 11:13:14,875 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 11:13:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 11:13:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 11:13:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 11:13:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 11:13:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 11:13:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 11:13:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 11:13:16,088 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 11:13:16,088 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 11:13:16,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:16 BoogieIcfgContainer [2020-10-12 11:13:16,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 11:13:16,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 11:13:16,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 11:13:16,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 11:13:16,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:13:13" (1/3) ... [2020-10-12 11:13:16,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781269ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:13:16, skipping insertion in model container [2020-10-12 11:13:16,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:14" (2/3) ... [2020-10-12 11:13:16,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781269ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:13:16, skipping insertion in model container [2020-10-12 11:13:16,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:16" (3/3) ... [2020-10-12 11:13:16,102 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label21.c [2020-10-12 11:13:16,112 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 11:13:16,120 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 11:13:16,133 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 11:13:16,158 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 11:13:16,158 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 11:13:16,159 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 11:13:16,159 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 11:13:16,159 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 11:13:16,159 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 11:13:16,160 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 11:13:16,160 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 11:13:16,182 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-12 11:13:16,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-12 11:13:16,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:16,194 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:16,195 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:16,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:16,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1487720814, now seen corresponding path program 1 times [2020-10-12 11:13:16,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:16,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422496685] [2020-10-12 11:13:16,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:16,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:16,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:17,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:17,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-12 11:13:17,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:17,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1222 [2020-10-12 11:13:17,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 11:13:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:13:17,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:13:17,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 11:13:18,149 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-10-12 11:13:18,394 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-10-12 11:13:18,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:18,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:18,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:18,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:18,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:18,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:13:18,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:13:18,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:18,788 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 11:13:18,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422496685] [2020-10-12 11:13:18,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 11:13:18,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 11:13:18,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12066262] [2020-10-12 11:13:18,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 11:13:18,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:18,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 11:13:18,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-12 11:13:18,824 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 11 states. [2020-10-12 11:13:19,360 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-12 11:13:19,638 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2020-10-12 11:13:19,886 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2020-10-12 11:13:20,377 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2020-10-12 11:13:20,815 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2020-10-12 11:13:21,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:21,833 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-12 11:13:21,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:13:21,837 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2020-10-12 11:13:21,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:21,859 INFO L225 Difference]: With dead ends: 536 [2020-10-12 11:13:21,860 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:13:21,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:13:21,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:13:21,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:13:21,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:13:21,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-12 11:13:21,928 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 102 [2020-10-12 11:13:21,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:21,929 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-12 11:13:21,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 11:13:21,930 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-12 11:13:21,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-12 11:13:21,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:21,934 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:21,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 11:13:21,935 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:21,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:21,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1509467745, now seen corresponding path program 1 times [2020-10-12 11:13:21,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:21,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078396494] [2020-10-12 11:13:21,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:22,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:22,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:22,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:23,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:23,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 11:13:23,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:23,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1269 [2020-10-12 11:13:23,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:13:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 11:13:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 11:13:23,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:23,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:23,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:23,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:23,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:23,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:23,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:23,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:23,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:23,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:23,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:23,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:23,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:23,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:23,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:23,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 11:13:23,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:23,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:13:23,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:23,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 11:13:23,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:23,776 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 11:13:23,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078396494] [2020-10-12 11:13:23,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:23,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:13:23,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860068757] [2020-10-12 11:13:23,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:13:23,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:23,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:13:23,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:23,780 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-12 11:13:25,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:25,603 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-12 11:13:25,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 11:13:25,605 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-10-12 11:13:25,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:25,609 INFO L225 Difference]: With dead ends: 549 [2020-10-12 11:13:25,609 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:13:25,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-12 11:13:25,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:13:25,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:13:25,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:13:25,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-12 11:13:25,646 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 111 [2020-10-12 11:13:25,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:25,647 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-12 11:13:25,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:13:25,647 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-12 11:13:25,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-12 11:13:25,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:25,651 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:25,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 11:13:25,651 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:25,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:25,652 INFO L82 PathProgramCache]: Analyzing trace with hash -48867817, now seen corresponding path program 1 times [2020-10-12 11:13:25,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:25,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115871476] [2020-10-12 11:13:25,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:25,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:25,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:26,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:26,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:26,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-12 11:13:26,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:26,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 984 [2020-10-12 11:13:26,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:26,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:13:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 11:13:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 11:13:26,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:27,029 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-12 11:13:27,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:27,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:27,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:27,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:27,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:27,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:27,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:27,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:27,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:27,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:27,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:27,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:27,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:13:27,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:27,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:13:27,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:27,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:27,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:27,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 11:13:27,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:27,552 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 11:13:27,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115871476] [2020-10-12 11:13:27,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:27,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:13:27,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132708095] [2020-10-12 11:13:27,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:13:27,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:27,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:13:27,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:27,555 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-12 11:13:29,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:29,306 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-12 11:13:29,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:13:29,309 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 115 [2020-10-12 11:13:29,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:29,313 INFO L225 Difference]: With dead ends: 554 [2020-10-12 11:13:29,313 INFO L226 Difference]: Without dead ends: 327 [2020-10-12 11:13:29,314 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:13:29,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-12 11:13:29,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-12 11:13:29,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:13:29,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-12 11:13:29,335 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 115 [2020-10-12 11:13:29,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:29,335 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-12 11:13:29,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:13:29,336 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-12 11:13:29,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-12 11:13:29,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:29,339 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:29,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 11:13:29,339 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:29,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:29,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1280951697, now seen corresponding path program 1 times [2020-10-12 11:13:29,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:29,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [503612083] [2020-10-12 11:13:29,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:29,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:29,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:29,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:29,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-12 11:13:29,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:29,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-12 11:13:29,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:29,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:29,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:13:29,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-12 11:13:29,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 11:13:29,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:29,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:29,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:29,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:29,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:29,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:29,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:29,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:29,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:29,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:29,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:29,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:29,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:29,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:29,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:13:29,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:29,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:13:29,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:29,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:29,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:29,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:29,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:29,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:13:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:29,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:29,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:29,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:13:29,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:29,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 11:13:29,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:29,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:29,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:29,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:13:29,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:30,022 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 11:13:30,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [503612083] [2020-10-12 11:13:30,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:30,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:13:30,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769106944] [2020-10-12 11:13:30,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:13:30,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:30,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:13:30,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:13:30,025 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-12 11:13:30,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:30,995 INFO L93 Difference]: Finished difference Result 724 states and 951 transitions. [2020-10-12 11:13:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:13:30,996 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-10-12 11:13:30,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:30,999 INFO L225 Difference]: With dead ends: 724 [2020-10-12 11:13:30,999 INFO L226 Difference]: Without dead ends: 323 [2020-10-12 11:13:31,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:13:31,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-12 11:13:31,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 318. [2020-10-12 11:13:31,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:13:31,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 395 transitions. [2020-10-12 11:13:31,018 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 395 transitions. Word has length 137 [2020-10-12 11:13:31,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:31,019 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 395 transitions. [2020-10-12 11:13:31,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:13:31,019 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 395 transitions. [2020-10-12 11:13:31,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-12 11:13:31,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:31,021 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:31,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 11:13:31,022 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:31,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:31,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1745267694, now seen corresponding path program 1 times [2020-10-12 11:13:31,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:31,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1299480596] [2020-10-12 11:13:31,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:31,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:31,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:31,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:32,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:32,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-12 11:13:32,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:32,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1057 [2020-10-12 11:13:32,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:32,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:13:32,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 11:13:32,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 11:13:32,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:32,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:32,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:32,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:32,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:32,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:32,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:13:32,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:32,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:32,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:32,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:32,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:32,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:32,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:32,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:32,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:32,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:32,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 11:13:32,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:32,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:32,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:32,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:13:32,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-12 11:13:32,622 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 11:13:32,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1299480596] [2020-10-12 11:13:32,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:32,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:13:32,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838606144] [2020-10-12 11:13:32,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:13:32,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:32,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:13:32,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:32,624 INFO L87 Difference]: Start difference. First operand 318 states and 395 transitions. Second operand 12 states. [2020-10-12 11:13:34,098 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2020-10-12 11:13:34,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:34,442 INFO L93 Difference]: Finished difference Result 723 states and 948 transitions. [2020-10-12 11:13:34,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:13:34,444 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136 [2020-10-12 11:13:34,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:34,448 INFO L225 Difference]: With dead ends: 723 [2020-10-12 11:13:34,448 INFO L226 Difference]: Without dead ends: 401 [2020-10-12 11:13:34,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:13:34,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-12 11:13:34,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 394. [2020-10-12 11:13:34,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-12 11:13:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 475 transitions. [2020-10-12 11:13:34,467 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 475 transitions. Word has length 136 [2020-10-12 11:13:34,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:34,468 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 475 transitions. [2020-10-12 11:13:34,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:13:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 475 transitions. [2020-10-12 11:13:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-12 11:13:34,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:34,470 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:34,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 11:13:34,471 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:34,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:34,471 INFO L82 PathProgramCache]: Analyzing trace with hash -540662583, now seen corresponding path program 1 times [2020-10-12 11:13:34,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:34,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838743077] [2020-10-12 11:13:34,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:34,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:34,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:34,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:35,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:35,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:35,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-12 11:13:35,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:13:35,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 865 [2020-10-12 11:13:35,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:35,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:13:35,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:13:35,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-12 11:13:35,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:35,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:35,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:35,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:35,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:35,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:35,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:13:35,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:35,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:35,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:35,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:13:35,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:35,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:35,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:35,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:35,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:35,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:35,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:35,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 11:13:35,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:13:35,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:35,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:35,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:35,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:35,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:35,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:35,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:35,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:13:35,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:35,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:35,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:35,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:13:35,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 11:13:35,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838743077] [2020-10-12 11:13:35,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:35,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:13:35,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061680254] [2020-10-12 11:13:35,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:13:35,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:35,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:13:35,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:13:35,607 INFO L87 Difference]: Start difference. First operand 394 states and 475 transitions. Second operand 6 states. [2020-10-12 11:13:36,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:36,887 INFO L93 Difference]: Finished difference Result 936 states and 1173 transitions. [2020-10-12 11:13:36,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 11:13:36,888 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2020-10-12 11:13:36,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:36,893 INFO L225 Difference]: With dead ends: 936 [2020-10-12 11:13:36,893 INFO L226 Difference]: Without dead ends: 548 [2020-10-12 11:13:36,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:13:36,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-10-12 11:13:36,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 541. [2020-10-12 11:13:36,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-10-12 11:13:36,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 673 transitions. [2020-10-12 11:13:36,927 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 673 transitions. Word has length 144 [2020-10-12 11:13:36,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:36,929 INFO L479 AbstractCegarLoop]: Abstraction has 541 states and 673 transitions. [2020-10-12 11:13:36,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:13:36,930 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 673 transitions. [2020-10-12 11:13:36,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-12 11:13:36,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:36,935 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, 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] [2020-10-12 11:13:36,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 11:13:36,936 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:36,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:36,936 INFO L82 PathProgramCache]: Analyzing trace with hash -379489639, now seen corresponding path program 1 times [2020-10-12 11:13:36,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:36,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1820063775] [2020-10-12 11:13:36,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:37,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:37,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:37,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:37,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:37,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:38,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-12 11:13:38,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:13:38,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1901 [2020-10-12 11:13:38,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:38,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:13:38,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:13:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 11:13:38,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:38,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:38,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:38,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:38,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:38,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:13:38,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:13:38,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:38,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:38,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:39,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:39,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:39,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:39,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:39,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 11:13:39,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:13:39,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:39,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:39,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:39,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:39,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:39,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:39,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:39,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:13:39,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:13:39,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:39,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:13:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:39,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:39,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:39,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 11:13:39,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:39,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 11:13:39,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:39,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:39,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 11:13:39,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:39,203 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 61 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 11:13:39,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1820063775] [2020-10-12 11:13:39,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:39,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:13:39,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057299894] [2020-10-12 11:13:39,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 11:13:39,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:39,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 11:13:39,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:13:39,207 INFO L87 Difference]: Start difference. First operand 541 states and 673 transitions. Second operand 8 states. [2020-10-12 11:13:40,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:40,539 INFO L93 Difference]: Finished difference Result 1410 states and 1860 transitions. [2020-10-12 11:13:40,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 11:13:40,540 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 170 [2020-10-12 11:13:40,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:40,547 INFO L225 Difference]: With dead ends: 1410 [2020-10-12 11:13:40,547 INFO L226 Difference]: Without dead ends: 875 [2020-10-12 11:13:40,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:13:40,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2020-10-12 11:13:40,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 848. [2020-10-12 11:13:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 848 states. [2020-10-12 11:13:40,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1065 transitions. [2020-10-12 11:13:40,595 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1065 transitions. Word has length 170 [2020-10-12 11:13:40,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:40,595 INFO L479 AbstractCegarLoop]: Abstraction has 848 states and 1065 transitions. [2020-10-12 11:13:40,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 11:13:40,595 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1065 transitions. [2020-10-12 11:13:40,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-12 11:13:40,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:40,602 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:13:40,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 11:13:40,602 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:40,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:40,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1989357353, now seen corresponding path program 1 times [2020-10-12 11:13:40,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:40,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286119696] [2020-10-12 11:13:40,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:40,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:40,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:40,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:41,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:41,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 11:13:41,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:41,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 887 [2020-10-12 11:13:41,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:41,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:41,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-12 11:13:41,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-12 11:13:41,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:41,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:41,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:41,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:41,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:41,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:41,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:13:41,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:41,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:41,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:41,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:41,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:41,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:41,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:41,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:41,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:41,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 11:13:41,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:41,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:41,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:41,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:41,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:41,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:41,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:41,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:13:41,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:41,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:41,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:41,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:41,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:41,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:13:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:41,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:41,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:41,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 11:13:41,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:41,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 11:13:41,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:41,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:41,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:41,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 11:13:41,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:41,969 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-12 11:13:41,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286119696] [2020-10-12 11:13:41,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:41,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:13:41,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227030933] [2020-10-12 11:13:41,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:13:41,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:41,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:13:41,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:13:41,977 INFO L87 Difference]: Start difference. First operand 848 states and 1065 transitions. Second operand 5 states. [2020-10-12 11:13:42,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:42,906 INFO L93 Difference]: Finished difference Result 1785 states and 2277 transitions. [2020-10-12 11:13:42,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:13:42,908 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 179 [2020-10-12 11:13:42,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:42,913 INFO L225 Difference]: With dead ends: 1785 [2020-10-12 11:13:42,913 INFO L226 Difference]: Without dead ends: 855 [2020-10-12 11:13:42,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:13:42,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-10-12 11:13:42,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 846. [2020-10-12 11:13:42,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2020-10-12 11:13:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1050 transitions. [2020-10-12 11:13:42,954 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1050 transitions. Word has length 179 [2020-10-12 11:13:42,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:42,955 INFO L479 AbstractCegarLoop]: Abstraction has 846 states and 1050 transitions. [2020-10-12 11:13:42,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:13:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1050 transitions. [2020-10-12 11:13:42,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-12 11:13:42,960 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:42,960 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, 4, 4, 4, 4, 3, 3, 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] [2020-10-12 11:13:42,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 11:13:42,961 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:42,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:42,961 INFO L82 PathProgramCache]: Analyzing trace with hash 910828509, now seen corresponding path program 1 times [2020-10-12 11:13:42,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:42,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512419768] [2020-10-12 11:13:42,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:43,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:43,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:43,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:43,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:44,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:44,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:45,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:45,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-12 11:13:45,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 11:13:45,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2289 [2020-10-12 11:13:45,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:45,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:13:45,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-12 11:13:45,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:13:45,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:45,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:45,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:45,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:45,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:45,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:45,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:13:45,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:45,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:45,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:45,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:45,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:45,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:45,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:45,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:45,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:45,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:45,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:13:45,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:45,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:45,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:45,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:45,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:45,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:45,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:45,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:45,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:45,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:45,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:13:45,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:13:45,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:45,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:13:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:45,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:45,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:45,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:45,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 11:13:45,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:45,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 11:13:45,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:13:45,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:45,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 11:13:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:45,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:45,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:45,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 11:13:45,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:45,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 11:13:45,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:13:45,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 157 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-12 11:13:45,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512419768] [2020-10-12 11:13:45,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:45,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:13:45,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277009192] [2020-10-12 11:13:45,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:13:45,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:45,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:13:45,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:13:45,573 INFO L87 Difference]: Start difference. First operand 846 states and 1050 transitions. Second operand 7 states. [2020-10-12 11:13:47,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:47,119 INFO L93 Difference]: Finished difference Result 2625 states and 3406 transitions. [2020-10-12 11:13:47,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 11:13:47,120 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 202 [2020-10-12 11:13:47,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:47,129 INFO L225 Difference]: With dead ends: 2625 [2020-10-12 11:13:47,129 INFO L226 Difference]: Without dead ends: 1785 [2020-10-12 11:13:47,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:47,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1785 states. [2020-10-12 11:13:47,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1785 to 1780. [2020-10-12 11:13:47,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1780 states. [2020-10-12 11:13:47,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2220 transitions. [2020-10-12 11:13:47,180 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2220 transitions. Word has length 202 [2020-10-12 11:13:47,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:47,180 INFO L479 AbstractCegarLoop]: Abstraction has 1780 states and 2220 transitions. [2020-10-12 11:13:47,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:13:47,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2220 transitions. [2020-10-12 11:13:47,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-12 11:13:47,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:47,187 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:47,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 11:13:47,187 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:47,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:47,188 INFO L82 PathProgramCache]: Analyzing trace with hash -768100218, now seen corresponding path program 1 times [2020-10-12 11:13:47,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:47,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210582088] [2020-10-12 11:13:47,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:47,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:47,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:47,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:47,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-12 11:13:47,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:47,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-12 11:13:47,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:47,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:47,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-12 11:13:47,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 11:13:47,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:47,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:47,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:47,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:47,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:47,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:47,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:13:47,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:47,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:47,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:47,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:47,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:47,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:47,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:47,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:47,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:47,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:13:47,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:47,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:47,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:47,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:47,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:47,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 11:13:47,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:47,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 11:13:47,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 11:13:47,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:47,738 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-12 11:13:47,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210582088] [2020-10-12 11:13:47,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:47,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:13:47,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771984518] [2020-10-12 11:13:47,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:13:47,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:47,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:13:47,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:13:47,740 INFO L87 Difference]: Start difference. First operand 1780 states and 2220 transitions. Second operand 5 states. [2020-10-12 11:13:48,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:48,675 INFO L93 Difference]: Finished difference Result 3332 states and 4201 transitions. [2020-10-12 11:13:48,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:13:48,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 208 [2020-10-12 11:13:48,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:48,690 INFO L225 Difference]: With dead ends: 3332 [2020-10-12 11:13:48,691 INFO L226 Difference]: Without dead ends: 1748 [2020-10-12 11:13:48,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:13:48,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2020-10-12 11:13:48,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1746. [2020-10-12 11:13:48,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1746 states. [2020-10-12 11:13:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 2167 transitions. [2020-10-12 11:13:48,739 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 2167 transitions. Word has length 208 [2020-10-12 11:13:48,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:48,739 INFO L479 AbstractCegarLoop]: Abstraction has 1746 states and 2167 transitions. [2020-10-12 11:13:48,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:13:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2167 transitions. [2020-10-12 11:13:48,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-12 11:13:48,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:48,745 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:48,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 11:13:48,746 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:48,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:48,746 INFO L82 PathProgramCache]: Analyzing trace with hash -789232104, now seen corresponding path program 1 times [2020-10-12 11:13:48,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:48,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247469246] [2020-10-12 11:13:48,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:48,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:48,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:49,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:49,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:49,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:50,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:50,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-12 11:13:50,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:13:50,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2030 [2020-10-12 11:13:50,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:50,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:13:50,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-12 11:13:50,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 11:13:50,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:50,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:50,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:50,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:50,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:50,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:50,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 11:13:50,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:50,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:50,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:50,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:50,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:50,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 11:13:50,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:50,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:13:50,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:50,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:50,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 11:13:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:50,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:50,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:50,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 11:13:50,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:50,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 11:13:50,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:50,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:50,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:50,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 11:13:50,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:50,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 11:13:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:50,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:50,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:50,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:50,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 11:13:50,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:50,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 11:13:50,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:50,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:50,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:50,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:13:50,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 127 proven. 28 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-12 11:13:51,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247469246] [2020-10-12 11:13:51,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:51,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:13:51,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770097723] [2020-10-12 11:13:51,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:13:51,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:51,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:13:51,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:13:51,066 INFO L87 Difference]: Start difference. First operand 1746 states and 2167 transitions. Second operand 6 states. [2020-10-12 11:13:52,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:52,135 INFO L93 Difference]: Finished difference Result 4248 states and 5325 transitions. [2020-10-12 11:13:52,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:13:52,140 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 211 [2020-10-12 11:13:52,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:52,152 INFO L225 Difference]: With dead ends: 4248 [2020-10-12 11:13:52,152 INFO L226 Difference]: Without dead ends: 2351 [2020-10-12 11:13:52,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:13:52,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2351 states. [2020-10-12 11:13:52,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2351 to 2343. [2020-10-12 11:13:52,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2343 states. [2020-10-12 11:13:52,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 2804 transitions. [2020-10-12 11:13:52,213 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 2804 transitions. Word has length 211 [2020-10-12 11:13:52,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:52,213 INFO L479 AbstractCegarLoop]: Abstraction has 2343 states and 2804 transitions. [2020-10-12 11:13:52,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:13:52,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2804 transitions. [2020-10-12 11:13:52,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-12 11:13:52,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:52,221 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, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:52,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 11:13:52,221 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:52,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:52,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1868615737, now seen corresponding path program 1 times [2020-10-12 11:13:52,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:52,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785414442] [2020-10-12 11:13:52,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:52,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:52,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:52,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:52,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:52,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:53,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:53,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:54,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-12 11:13:54,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 11:13:54,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1887 [2020-10-12 11:13:54,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:54,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:13:54,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-12 11:13:54,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-12 11:13:54,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:54,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:54,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:54,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:54,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:54,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:13:54,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:54,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:54,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:54,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:54,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:54,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:54,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:54,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:54,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:54,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:13:54,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:54,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:54,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:54,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:54,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:54,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:54,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:13:54,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:54,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:54,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:54,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:54,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:54,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:13:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:54,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:54,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 11:13:54,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:54,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 11:13:54,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:54,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:54,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-12 11:13:54,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:13:54,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:54,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 11:13:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:54,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:54,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 11:13:54,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:54,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 11:13:54,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:54,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:54,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:54,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:13:54,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 142 proven. 29 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-12 11:13:54,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785414442] [2020-10-12 11:13:54,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:54,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:13:54,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340969785] [2020-10-12 11:13:54,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:13:54,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:54,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:13:54,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:13:54,487 INFO L87 Difference]: Start difference. First operand 2343 states and 2804 transitions. Second operand 7 states. [2020-10-12 11:13:55,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:55,987 INFO L93 Difference]: Finished difference Result 5545 states and 6641 transitions. [2020-10-12 11:13:55,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 11:13:55,987 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 220 [2020-10-12 11:13:55,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:55,988 INFO L225 Difference]: With dead ends: 5545 [2020-10-12 11:13:55,988 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 11:13:55,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:55,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 11:13:55,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 11:13:55,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 11:13:55,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 11:13:55,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2020-10-12 11:13:55,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:55,999 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 11:13:56,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:13:56,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 11:13:56,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 11:13:56,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 11:13:56,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 11:13:56,511 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 107 [2020-10-12 11:13:56,792 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 138 [2020-10-12 11:13:57,673 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 61 [2020-10-12 11:13:57,912 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 49 [2020-10-12 11:13:58,241 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 49 [2020-10-12 11:13:58,245 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:13:58,245 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-12 11:13:58,245 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:13:58,245 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,245 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,245 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,245 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,246 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,246 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-12 11:13:58,246 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-12 11:13:58,246 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-12 11:13:58,246 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-12 11:13:58,246 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-12 11:13:58,246 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-12 11:13:58,246 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-12 11:13:58,246 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-12 11:13:58,246 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-12 11:13:58,247 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-12 11:13:58,247 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:13:58,247 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:13:58,247 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-12 11:13:58,247 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,247 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,247 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,247 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,247 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-12 11:13:58,247 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,248 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-12 11:13:58,248 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-12 11:13:58,248 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-12 11:13:58,248 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-12 11:13:58,248 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-12 11:13:58,248 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-12 11:13:58,248 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-12 11:13:58,248 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:13:58,248 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:13:58,248 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-12 11:13:58,249 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-12 11:13:58,249 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-12 11:13:58,249 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:13:58,249 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:13:58,249 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-12 11:13:58,249 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,251 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,251 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,251 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,251 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,252 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 460) no Hoare annotation was computed. [2020-10-12 11:13:58,252 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:13:58,252 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-12 11:13:58,252 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:13:58,252 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-12 11:13:58,252 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-12 11:13:58,252 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-12 11:13:58,252 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-12 11:13:58,252 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-12 11:13:58,252 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-12 11:13:58,253 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-12 11:13:58,253 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-12 11:13:58,253 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,253 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,253 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,253 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,253 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,253 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-12 11:13:58,253 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-12 11:13:58,253 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-12 11:13:58,254 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-12 11:13:58,254 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-12 11:13:58,254 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-12 11:13:58,254 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-12 11:13:58,254 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-12 11:13:58,254 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-12 11:13:58,254 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-12 11:13:58,254 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-12 11:13:58,254 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-12 11:13:58,255 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-12 11:13:58,256 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,256 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,256 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,256 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,256 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,256 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-12 11:13:58,256 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-12 11:13:58,256 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-12 11:13:58,256 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-12 11:13:58,257 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-12 11:13:58,257 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-12 11:13:58,257 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-12 11:13:58,257 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-12 11:13:58,257 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-12 11:13:58,257 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-12 11:13:58,257 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-12 11:13:58,257 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-12 11:13:58,257 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-12 11:13:58,257 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:13:58,258 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-12 11:13:58,258 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:13:58,258 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,258 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,258 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,258 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,258 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-12 11:13:58,258 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,258 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:13:58,258 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,258 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:13:58,259 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:13:58,259 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:13:58,259 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,259 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,260 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-12 11:13:58,260 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-12 11:13:58,260 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-12 11:13:58,260 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-12 11:13:58,260 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-12 11:13:58,260 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-12 11:13:58,260 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-12 11:13:58,260 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-12 11:13:58,260 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-12 11:13:58,260 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-12 11:13:58,260 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-12 11:13:58,261 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,261 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,261 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,261 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,261 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,261 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,262 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-12 11:13:58,262 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-12 11:13:58,262 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-12 11:13:58,262 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-12 11:13:58,262 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-12 11:13:58,262 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-12 11:13:58,262 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-12 11:13:58,262 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-12 11:13:58,262 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-12 11:13:58,262 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-12 11:13:58,262 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-12 11:13:58,263 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,263 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,263 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,263 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,263 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,263 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,263 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-12 11:13:58,263 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-12 11:13:58,263 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-12 11:13:58,263 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-12 11:13:58,263 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-12 11:13:58,264 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-12 11:13:58,264 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-12 11:13:58,264 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-12 11:13:58,264 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-12 11:13:58,264 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-12 11:13:58,264 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-12 11:13:58,264 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-12 11:13:58,264 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-12 11:13:58,264 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-12 11:13:58,264 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,265 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,265 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,265 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= ~a17~0 8)) (.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse14 (= ~a25~0 |old(~a25~0)|)) (.cse9 (= ~a19~0 |old(~a19~0)|))) (let ((.cse1 (not (<= |old(~a19~0)| 1))) (.cse3 (not (<= 1 |old(~a19~0)|))) (.cse4 (not (= |old(~a25~0)| 1))) (.cse8 (= ~a25~0 1)) (.cse0 (= 8 |old(~a28~0)|)) (.cse2 (and .cse5 .cse11 .cse6 .cse14 .cse9)) (.cse12 (= |old(~a11~0)| 1)) (.cse13 (and .cse5 .cse6 .cse14 .cse7 .cse9)) (.cse10 (not (= 8 |old(~a17~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3 (and .cse5 .cse6 .cse7 .cse8 .cse9) .cse10) (or (not (= 10 |old(~a28~0)|)) (not (= 7 |old(~a17~0)|)) (not (= |old(~a19~0)| |old(~a25~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (and (= 7 ~a17~0) .cse6 (= ~a25~0 ~a19~0) .cse9 (= ~a28~0 10))) (or .cse0 .cse4 (and .cse5 .cse11 .cse6 .cse8 .cse9)) (or .cse0 .cse2 .cse12) (or .cse13 .cse10 .cse12) (or (not (<= |old(~a28~0)| 7)) .cse13 .cse10)))) [2020-10-12 11:13:58,265 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,265 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,265 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,265 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-12 11:13:58,265 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-12 11:13:58,266 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-12 11:13:58,266 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-12 11:13:58,266 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-12 11:13:58,266 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-12 11:13:58,266 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-12 11:13:58,266 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-12 11:13:58,266 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-12 11:13:58,266 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-12 11:13:58,266 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-12 11:13:58,266 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-12 11:13:58,267 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-12 11:13:58,267 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,267 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,267 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,267 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,267 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,267 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,267 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-12 11:13:58,267 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-12 11:13:58,267 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-12 11:13:58,267 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-12 11:13:58,268 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-12 11:13:58,268 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-12 11:13:58,268 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-12 11:13:58,268 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-12 11:13:58,268 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-12 11:13:58,268 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-12 11:13:58,268 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-12 11:13:58,268 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:13:58,268 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:13:58,268 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-12 11:13:58,268 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-12 11:13:58,269 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-12 11:13:58,269 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,269 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,269 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,269 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,269 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:13:58,269 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-12 11:13:58,269 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-12 11:13:58,269 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-12 11:13:58,269 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-12 11:13:58,269 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-12 11:13:58,270 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-12 11:13:58,270 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-12 11:13:58,270 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-12 11:13:58,270 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-12 11:13:58,270 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-12 11:13:58,270 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-12 11:13:58,270 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:13:58,270 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-12 11:13:58,270 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:13:58,270 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-12 11:13:58,270 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:13:58,271 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:13:58,271 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-12 11:13:58,271 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-12 11:13:58,271 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:13:58,271 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (= ~a11~0 0) (<= ~a19~0 1) (<= 1 ~a19~0)) [2020-10-12 11:13:58,271 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 11:13:58,271 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:13:58,271 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-12 11:13:58,272 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 1)) (.cse2 (<= 1 ~a19~0)) (.cse0 (not (= ~a28~0 8))) (.cse4 (= ~a25~0 1)) (.cse3 (= ~a17~0 8)) (.cse5 (not (= ~a11~0 1)))) (or (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (and (= 7 ~a17~0) (= ~a25~0 0) (= ~a25~0 ~a19~0) (= ~a28~0 10)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse3 .cse4 .cse1 .cse2) (and .cse3 (<= ~a28~0 7)) (and .cse0 .cse5) (not (= ~a21~0 1)) (and .cse0 .cse4) (not (= 7 |old(~a28~0)|)) (and .cse3 .cse5) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-12 11:13:58,272 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:13:58,272 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:13:58,272 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 1)) (.cse2 (<= 1 ~a19~0)) (.cse0 (not (= ~a28~0 8))) (.cse4 (= ~a25~0 1)) (.cse3 (= ~a17~0 8)) (.cse5 (not (= ~a11~0 1)))) (or (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (and (= 7 ~a17~0) (= ~a25~0 0) (= ~a25~0 ~a19~0) (= ~a28~0 10)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse3 .cse4 .cse1 .cse2) (and .cse3 (<= ~a28~0 7)) (and .cse0 .cse5) (not (= ~a21~0 1)) (and .cse0 .cse4) (not (= 7 |old(~a28~0)|)) (and .cse3 .cse5) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-12 11:13:58,272 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-12 11:13:58,272 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-12 11:13:58,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:13:58 BoogieIcfgContainer [2020-10-12 11:13:58,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 11:13:58,305 INFO L168 Benchmark]: Toolchain (without parser) took 44341.78 ms. Allocated memory was 141.0 MB in the beginning and 778.0 MB in the end (delta: 637.0 MB). Free memory was 101.2 MB in the beginning and 662.2 MB in the end (delta: -561.0 MB). Peak memory consumption was 628.8 MB. Max. memory is 7.1 GB. [2020-10-12 11:13:58,306 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 11:13:58,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.82 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 101.0 MB in the beginning and 171.2 MB in the end (delta: -70.2 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2020-10-12 11:13:58,309 INFO L168 Benchmark]: Boogie Preprocessor took 115.07 ms. Allocated memory is still 205.0 MB. Free memory was 171.2 MB in the beginning and 166.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-12 11:13:58,314 INFO L168 Benchmark]: RCFGBuilder took 1313.24 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 166.4 MB in the beginning and 177.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2020-10-12 11:13:58,316 INFO L168 Benchmark]: TraceAbstraction took 42204.77 ms. Allocated memory was 235.9 MB in the beginning and 778.0 MB in the end (delta: 542.1 MB). Free memory was 175.9 MB in the beginning and 662.2 MB in the end (delta: -486.3 MB). Peak memory consumption was 608.6 MB. Max. memory is 7.1 GB. [2020-10-12 11:13:58,323 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.82 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 101.0 MB in the beginning and 171.2 MB in the end (delta: -70.2 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.07 ms. Allocated memory is still 205.0 MB. Free memory was 171.2 MB in the beginning and 166.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1313.24 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 166.4 MB in the beginning and 177.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 42204.77 ms. Allocated memory was 235.9 MB in the beginning and 778.0 MB in the end (delta: 542.1 MB). Free memory was 175.9 MB in the beginning and 662.2 MB in the end (delta: -486.3 MB). Peak memory consumption was 608.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 460]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((!(\old(a19) == 1) || !(8 == \old(a17))) || (((7 == a17 && a25 == 0) && a25 == a19) && a28 == 10)) || ((!(a28 == 8) && a19 <= 1) && 1 <= a19)) || !(0 == \old(a11))) || (((a17 == 8 && a25 == 1) && a19 <= 1) && 1 <= a19)) || (a17 == 8 && a28 <= 7)) || (!(a28 == 8) && !(a11 == 1))) || !(a21 == 1)) || (!(a28 == 8) && a25 == 1)) || !(7 == \old(a28))) || (a17 == 8 && !(a11 == 1))) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.8s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 450 SDtfs, 5809 SDslu, 633 SDs, 0 SdLazy, 9745 SolverSat, 1385 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 107 SyntacticMatches, 4 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2343occurred in iteration=11, 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, 85 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 110 PreInvPairs, 169 NumberOfFragments, 499 HoareAnnotationTreeSize, 110 FomulaSimplifications, 110419 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 30533 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 19.5s InterpolantComputationTime, 1935 NumberOfCodeBlocks, 1935 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1923 ConstructedInterpolants, 0 QuantifiedInterpolants, 2688834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 993/1092 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...