/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/Problem14_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:21:11,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:21:11,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:21:11,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:21:11,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:21:11,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:21:11,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:21:11,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:21:11,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:21:11,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:21:11,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:21:11,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:21:11,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:21:11,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:21:11,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:21:11,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:21:11,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:21:11,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:21:11,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:21:11,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:21:11,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:21:11,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:21:11,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:21:11,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:21:11,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:21:11,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:21:11,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:21:11,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:21:11,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:21:11,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:21:11,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:21:11,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:21:11,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:21:11,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:21:11,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:21:11,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:21:11,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:21:11,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:21:11,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:21:11,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:21:11,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:21:11,484 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 [2020-10-14 03:21:11,510 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:21:11,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:21:11,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:21:11,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:21:11,512 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:21:11,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:21:11,513 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:21:11,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:21:11,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:21:11,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:21:11,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:21:11,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:21:11,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:21:11,514 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:21:11,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:21:11,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:21:11,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:21:11,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:21:11,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:21:11,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:21:11,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:21:11,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:21:11,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:21:11,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:21:11,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:21:11,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:21:11,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:21:11,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:21:11,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:21:11,517 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 03:21:11,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:21:11,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:21:11,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:21:11,861 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:21:11,861 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:21:11,862 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label53.c [2020-10-14 03:21:11,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8437b729/cc7b91fdc8604d188b1b69547f7c62c0/FLAG9afd27955 [2020-10-14 03:21:12,432 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:21:12,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label53.c [2020-10-14 03:21:12,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8437b729/cc7b91fdc8604d188b1b69547f7c62c0/FLAG9afd27955 [2020-10-14 03:21:12,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8437b729/cc7b91fdc8604d188b1b69547f7c62c0 [2020-10-14 03:21:12,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:21:12,668 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:21:12,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:21:12,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:21:12,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:21:12,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:21:12" (1/1) ... [2020-10-14 03:21:12,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77876025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:12, skipping insertion in model container [2020-10-14 03:21:12,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:21:12" (1/1) ... [2020-10-14 03:21:12,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:21:12,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:21:13,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:21:13,200 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:21:13,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:21:13,495 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:21:13,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:13 WrapperNode [2020-10-14 03:21:13,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:21:13,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:21:13,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:21:13,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:21:13,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:13" (1/1) ... [2020-10-14 03:21:13,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:13" (1/1) ... [2020-10-14 03:21:13,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:13" (1/1) ... [2020-10-14 03:21:13,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:13" (1/1) ... [2020-10-14 03:21:13,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:13" (1/1) ... [2020-10-14 03:21:13,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:13" (1/1) ... [2020-10-14 03:21:13,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:13" (1/1) ... [2020-10-14 03:21:13,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:21:13,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:21:13,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:21:13,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:21:13,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:13" (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 [2020-10-14 03:21:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:21:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:21:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:21:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:21:13,727 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:21:13,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:21:13,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:21:13,727 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:21:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:21:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:21:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:21:15,148 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:21:15,149 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:21:15,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:21:15 BoogieIcfgContainer [2020-10-14 03:21:15,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:21:15,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:21:15,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:21:15,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:21:15,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:21:12" (1/3) ... [2020-10-14 03:21:15,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8660ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:21:15, skipping insertion in model container [2020-10-14 03:21:15,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:21:13" (2/3) ... [2020-10-14 03:21:15,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8660ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:21:15, skipping insertion in model container [2020-10-14 03:21:15,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:21:15" (3/3) ... [2020-10-14 03:21:15,164 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label53.c [2020-10-14 03:21:15,175 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:21:15,183 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:21:15,198 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:21:15,224 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:21:15,225 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:21:15,225 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:21:15,225 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:21:15,226 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:21:15,226 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:21:15,226 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:21:15,226 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:21:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:21:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-14 03:21:15,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:15,260 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] [2020-10-14 03:21:15,260 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:15,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:15,267 INFO L82 PathProgramCache]: Analyzing trace with hash -286173774, now seen corresponding path program 1 times [2020-10-14 03:21:15,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:15,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534095207] [2020-10-14 03:21:15,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:15,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:15,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:15,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 03:21:15,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:15,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 404 [2020-10-14 03:21:15,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:15,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:15,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:21:15,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:21:15,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-14 03:21:15,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:21:15,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:15,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:15,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:15,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:15,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:15,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:21:15,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:15,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:15,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:15,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:21:15,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 23 [2020-10-14 03:21:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:21:16,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534095207] [2020-10-14 03:21:16,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:21:16,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 03:21:16,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846542018] [2020-10-14 03:21:16,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 03:21:16,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:16,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 03:21:16,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 03:21:16,044 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 03:21:17,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:17,598 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2020-10-14 03:21:17,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:17,600 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-10-14 03:21:17,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:17,635 INFO L225 Difference]: With dead ends: 698 [2020-10-14 03:21:17,636 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 03:21:17,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:21:17,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 03:21:17,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-14 03:21:17,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-14 03:21:17,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 552 transitions. [2020-10-14 03:21:17,742 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 552 transitions. Word has length 55 [2020-10-14 03:21:17,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:17,743 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 552 transitions. [2020-10-14 03:21:17,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 03:21:17,743 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 552 transitions. [2020-10-14 03:21:17,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-14 03:21:17,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:17,769 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:17,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:21:17,770 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:17,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:17,770 INFO L82 PathProgramCache]: Analyzing trace with hash -19038807, now seen corresponding path program 1 times [2020-10-14 03:21:17,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:17,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089512130] [2020-10-14 03:21:17,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:17,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:17,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:18,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:18,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:18,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:21:18,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:18,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1143 [2020-10-14 03:21:18,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:18,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:18,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:18,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:21:18,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 03:21:18,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:21:19,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:19,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:19,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:19,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:19,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:19,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 03:21:19,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:19,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:19,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:21:19,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:19,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:19,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:19,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:21:19,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:19,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 03:21:19,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:19,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:19,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:19,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:19,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:21:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:19,180 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:21:19,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089512130] [2020-10-14 03:21:19,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:19,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:21:19,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012328635] [2020-10-14 03:21:19,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:21:19,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:19,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:21:19,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:21:19,185 INFO L87 Difference]: Start difference. First operand 376 states and 552 transitions. Second operand 5 states. [2020-10-14 03:21:20,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:20,730 INFO L93 Difference]: Finished difference Result 1118 states and 1662 transitions. [2020-10-14 03:21:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:20,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-10-14 03:21:20,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:20,736 INFO L225 Difference]: With dead ends: 1118 [2020-10-14 03:21:20,737 INFO L226 Difference]: Without dead ends: 748 [2020-10-14 03:21:20,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:21:20,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-14 03:21:20,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-14 03:21:20,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-14 03:21:20,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 999 transitions. [2020-10-14 03:21:20,786 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 999 transitions. Word has length 124 [2020-10-14 03:21:20,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:20,787 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 999 transitions. [2020-10-14 03:21:20,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:21:20,787 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 999 transitions. [2020-10-14 03:21:20,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-14 03:21:20,797 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:20,797 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:20,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:21:20,798 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:20,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:20,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1701914318, now seen corresponding path program 1 times [2020-10-14 03:21:20,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:20,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512419768] [2020-10-14 03:21:20,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:20,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:20,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:20,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:21,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:23,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:25,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:25,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-14 03:21:25,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:21:25,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 03:21:25,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:25,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:21:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:21:25,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:25,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:25,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:25,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:25,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:25,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:25,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:21:25,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:25,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:25,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:25,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:25,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:26,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:26,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:21:26,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:26,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 03:21:26,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:26,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:26,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:26,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:26,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:21:26,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:26,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 03:21:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:26,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:26,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:26,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:21:26,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:26,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 03:21:26,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:26,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:26,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:26,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:26,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 03:21:26,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:26,384 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:21:26,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512419768] [2020-10-14 03:21:26,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:26,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:26,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304430881] [2020-10-14 03:21:26,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:26,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:26,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:26,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:26,388 INFO L87 Difference]: Start difference. First operand 744 states and 999 transitions. Second operand 7 states. [2020-10-14 03:21:28,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:28,285 INFO L93 Difference]: Finished difference Result 1874 states and 2579 transitions. [2020-10-14 03:21:28,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:21:28,289 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-10-14 03:21:28,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:28,299 INFO L225 Difference]: With dead ends: 1874 [2020-10-14 03:21:28,301 INFO L226 Difference]: Without dead ends: 766 [2020-10-14 03:21:28,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:21:28,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2020-10-14 03:21:28,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 746. [2020-10-14 03:21:28,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-14 03:21:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 829 transitions. [2020-10-14 03:21:28,362 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 829 transitions. Word has length 207 [2020-10-14 03:21:28,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:28,363 INFO L479 AbstractCegarLoop]: Abstraction has 746 states and 829 transitions. [2020-10-14 03:21:28,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 829 transitions. [2020-10-14 03:21:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-14 03:21:28,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:28,377 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:28,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:21:28,377 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:28,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:28,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1925292315, now seen corresponding path program 1 times [2020-10-14 03:21:28,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:28,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1537787256] [2020-10-14 03:21:28,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:28,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:28,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:29,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:31,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:31,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-14 03:21:31,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:31,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2741 [2020-10-14 03:21:31,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:31,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:31,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:31,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-10-14 03:21:31,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 03:21:31,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:31,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:31,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:31,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:31,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:31,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:31,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:31,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:31,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:31,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:31,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:31,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:31,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:31,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:31,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:31,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:31,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:31,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 03:21:31,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:31,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:31,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:31,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:31,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:21:31,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:31,572 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:21:31,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1537787256] [2020-10-14 03:21:31,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:31,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:21:31,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018825743] [2020-10-14 03:21:31,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:21:31,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:31,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:21:31,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:21:31,579 INFO L87 Difference]: Start difference. First operand 746 states and 829 transitions. Second operand 5 states. [2020-10-14 03:21:32,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:32,588 INFO L93 Difference]: Finished difference Result 1858 states and 2099 transitions. [2020-10-14 03:21:32,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:21:32,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 234 [2020-10-14 03:21:32,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:32,596 INFO L225 Difference]: With dead ends: 1858 [2020-10-14 03:21:32,596 INFO L226 Difference]: Without dead ends: 1118 [2020-10-14 03:21:32,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:21:32,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2020-10-14 03:21:32,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1114. [2020-10-14 03:21:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1114 states. [2020-10-14 03:21:32,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1227 transitions. [2020-10-14 03:21:32,638 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1227 transitions. Word has length 234 [2020-10-14 03:21:32,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:32,640 INFO L479 AbstractCegarLoop]: Abstraction has 1114 states and 1227 transitions. [2020-10-14 03:21:32,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:21:32,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1227 transitions. [2020-10-14 03:21:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-14 03:21:32,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:32,646 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:32,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:21:32,646 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:32,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:32,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1664101046, now seen corresponding path program 1 times [2020-10-14 03:21:32,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:32,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743594979] [2020-10-14 03:21:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:32,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:32,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:33,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:34,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:37,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:37,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-14 03:21:37,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:21:37,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 03:21:37,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:37,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:37,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:37,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 270 [2020-10-14 03:21:37,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 03:21:37,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:37,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:37,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:37,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:37,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:37,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:37,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:37,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:37,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:37,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:37,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:37,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:37,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:37,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:37,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:37,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:21:37,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:37,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:37,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:37,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:37,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:37,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:37,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:21:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:38,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:38,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:38,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:21:38,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:38,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 03:21:38,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:38,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:38,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:38,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:21:38,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-14 03:21:38,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743594979] [2020-10-14 03:21:38,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:38,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 03:21:38,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472790403] [2020-10-14 03:21:38,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 03:21:38,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:38,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 03:21:38,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:21:38,303 INFO L87 Difference]: Start difference. First operand 1114 states and 1227 transitions. Second operand 6 states. [2020-10-14 03:21:39,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:39,859 INFO L93 Difference]: Finished difference Result 3330 states and 3792 transitions. [2020-10-14 03:21:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 03:21:39,860 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 313 [2020-10-14 03:21:39,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:39,870 INFO L225 Difference]: With dead ends: 3330 [2020-10-14 03:21:39,871 INFO L226 Difference]: Without dead ends: 2222 [2020-10-14 03:21:39,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:21:39,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2222 states. [2020-10-14 03:21:39,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2222 to 1854. [2020-10-14 03:21:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1854 states. [2020-10-14 03:21:39,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1854 states and 2118 transitions. [2020-10-14 03:21:39,954 INFO L78 Accepts]: Start accepts. Automaton has 1854 states and 2118 transitions. Word has length 313 [2020-10-14 03:21:39,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:39,955 INFO L479 AbstractCegarLoop]: Abstraction has 1854 states and 2118 transitions. [2020-10-14 03:21:39,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 03:21:39,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2118 transitions. [2020-10-14 03:21:39,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-10-14 03:21:39,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:39,962 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:39,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:21:39,963 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:39,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:39,964 INFO L82 PathProgramCache]: Analyzing trace with hash 950059361, now seen corresponding path program 1 times [2020-10-14 03:21:39,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:39,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783175549] [2020-10-14 03:21:39,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:40,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:40,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:41,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:41,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-10-14 03:21:41,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:21:41,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1893 [2020-10-14 03:21:41,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:41,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:41,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:21:41,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:21:41,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-14 03:21:41,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 03:21:41,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:41,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:41,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:41,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:41,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:41,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 03:21:41,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:41,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:41,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:21:41,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:41,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:42,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:42,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:42,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:42,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:42,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-14 03:21:42,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:42,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:42,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:42,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:42,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:21:42,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:42,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 03:21:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:42,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:42,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:42,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:21:42,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:42,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:21:42,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:42,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:21:42,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:42,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:42,526 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 96 proven. 81 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 03:21:42,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783175549] [2020-10-14 03:21:42,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:42,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:42,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222258068] [2020-10-14 03:21:42,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:42,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:42,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:42,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:42,530 INFO L87 Difference]: Start difference. First operand 1854 states and 2118 transitions. Second operand 7 states. [2020-10-14 03:21:43,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:43,757 INFO L93 Difference]: Finished difference Result 4098 states and 4719 transitions. [2020-10-14 03:21:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:21:43,757 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 320 [2020-10-14 03:21:43,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:43,770 INFO L225 Difference]: With dead ends: 4098 [2020-10-14 03:21:43,770 INFO L226 Difference]: Without dead ends: 2250 [2020-10-14 03:21:43,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:21:43,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2250 states. [2020-10-14 03:21:43,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2250 to 2242. [2020-10-14 03:21:43,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2242 states. [2020-10-14 03:21:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 2555 transitions. [2020-10-14 03:21:43,853 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 2555 transitions. Word has length 320 [2020-10-14 03:21:43,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:43,853 INFO L479 AbstractCegarLoop]: Abstraction has 2242 states and 2555 transitions. [2020-10-14 03:21:43,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:43,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2555 transitions. [2020-10-14 03:21:43,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2020-10-14 03:21:43,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:43,863 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:43,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:21:43,863 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:43,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:43,864 INFO L82 PathProgramCache]: Analyzing trace with hash -486005638, now seen corresponding path program 1 times [2020-10-14 03:21:43,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:43,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535850691] [2020-10-14 03:21:43,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:43,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:44,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:44,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:48,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:48,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 443 [2020-10-14 03:21:48,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:48,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 03:21:48,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:48,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 03:21:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:21:48,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:49,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:49,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:49,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:49,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:49,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:49,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:49,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:49,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:49,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:49,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:49,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:49,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:49,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:21:49,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:49,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 03:21:49,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:49,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:49,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:49,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:49,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:21:49,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:49,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:21:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:49,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:49,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:49,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:49,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:49,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-14 03:21:49,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:49,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:49,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:49,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:49,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:21:49,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:49,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-14 03:21:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:49,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:49,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:49,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:21:49,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:49,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 03:21:49,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:49,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:21:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:49,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:21:49,848 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 254 proven. 85 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-14 03:21:49,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [535850691] [2020-10-14 03:21:49,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:49,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:49,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997872247] [2020-10-14 03:21:49,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:49,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:49,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:49,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:49,851 INFO L87 Difference]: Start difference. First operand 2242 states and 2555 transitions. Second operand 7 states. [2020-10-14 03:21:51,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:51,082 INFO L93 Difference]: Finished difference Result 5232 states and 6084 transitions. [2020-10-14 03:21:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:21:51,083 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 429 [2020-10-14 03:21:51,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:51,099 INFO L225 Difference]: With dead ends: 5232 [2020-10-14 03:21:51,100 INFO L226 Difference]: Without dead ends: 3178 [2020-10-14 03:21:51,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:21:51,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2020-10-14 03:21:51,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 3168. [2020-10-14 03:21:51,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3168 states. [2020-10-14 03:21:51,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 3168 states and 3580 transitions. [2020-10-14 03:21:51,219 INFO L78 Accepts]: Start accepts. Automaton has 3168 states and 3580 transitions. Word has length 429 [2020-10-14 03:21:51,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:51,219 INFO L479 AbstractCegarLoop]: Abstraction has 3168 states and 3580 transitions. [2020-10-14 03:21:51,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:51,220 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 3580 transitions. [2020-10-14 03:21:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2020-10-14 03:21:51,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:51,268 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:21:51,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 03:21:51,268 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:51,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:51,269 INFO L82 PathProgramCache]: Analyzing trace with hash -541869366, now seen corresponding path program 1 times [2020-10-14 03:21:51,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:51,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747598225] [2020-10-14 03:21:51,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:51,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:51,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:51,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:56,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:56,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 467 [2020-10-14 03:21:56,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:21:56,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-14 03:21:56,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:56,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:56,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:56,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 03:21:56,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:21:56,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:56,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:21:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:56,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:56,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:56,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:21:56,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:56,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:21:56,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:56,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:56,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:56,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:56,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:21:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:56,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:56,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:56,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:21:56,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:56,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-14 03:21:56,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:56,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:56,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:21:56,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:21:56,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:21:56,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:56,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 03:21:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:56,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:57,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:57,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:21:57,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:57,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-14 03:21:57,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:57,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:57,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:21:57,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:21:57,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:21:57,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:57,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-14 03:21:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:57,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:57,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:21:57,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:21:57,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:21:57,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:21:57,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:21:57,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:21:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:21:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:21:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:21:57,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:21:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 278 proven. 85 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-14 03:21:57,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747598225] [2020-10-14 03:21:57,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:21:57,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:21:57,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680106351] [2020-10-14 03:21:57,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:21:57,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:21:57,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:21:57,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:21:57,671 INFO L87 Difference]: Start difference. First operand 3168 states and 3580 transitions. Second operand 7 states. [2020-10-14 03:21:59,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:21:59,106 INFO L93 Difference]: Finished difference Result 7628 states and 8750 transitions. [2020-10-14 03:21:59,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:21:59,111 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 453 [2020-10-14 03:21:59,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:21:59,129 INFO L225 Difference]: With dead ends: 7628 [2020-10-14 03:21:59,129 INFO L226 Difference]: Without dead ends: 4466 [2020-10-14 03:21:59,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:21:59,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4466 states. [2020-10-14 03:21:59,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4466 to 4464. [2020-10-14 03:21:59,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4464 states. [2020-10-14 03:21:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4464 states to 4464 states and 5030 transitions. [2020-10-14 03:21:59,246 INFO L78 Accepts]: Start accepts. Automaton has 4464 states and 5030 transitions. Word has length 453 [2020-10-14 03:21:59,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:21:59,247 INFO L479 AbstractCegarLoop]: Abstraction has 4464 states and 5030 transitions. [2020-10-14 03:21:59,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:21:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 4464 states and 5030 transitions. [2020-10-14 03:21:59,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2020-10-14 03:21:59,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:21:59,255 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:21:59,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 03:21:59,256 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:21:59,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:21:59,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1956509885, now seen corresponding path program 1 times [2020-10-14 03:21:59,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:21:59,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [245833901] [2020-10-14 03:21:59,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:21:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:21:59,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:59,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:21:59,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:00,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:04,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:04,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 604 [2020-10-14 03:22:04,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:04,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 03:22:04,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:04,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:04,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:04,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 280 [2020-10-14 03:22:04,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:22:04,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:04,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:04,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:04,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:04,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:04,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:04,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:04,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:04,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:04,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:04,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:04,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:04,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 03:22:04,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:04,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:04,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:04,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:04,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:04,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:22:04,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:04,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:04,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:04,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:04,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:04,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:04,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:22:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:04,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:04,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:04,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:22:04,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:04,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 03:22:04,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:04,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:04,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:04,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:22:04,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:04,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-14 03:22:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:04,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:04,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:04,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:04,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:04,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 03:22:04,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:04,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:04,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:04,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:04,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:04,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:04,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-10-14 03:22:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:04,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:04,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:04,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:04,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:04,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:22:04,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:04,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:04,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:04,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:04,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:04,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:05,035 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 467 proven. 85 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2020-10-14 03:22:05,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [245833901] [2020-10-14 03:22:05,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:05,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:05,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123417853] [2020-10-14 03:22:05,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:05,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:05,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:05,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:05,039 INFO L87 Difference]: Start difference. First operand 4464 states and 5030 transitions. Second operand 7 states. [2020-10-14 03:22:06,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:06,456 INFO L93 Difference]: Finished difference Result 10028 states and 11451 transitions. [2020-10-14 03:22:06,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:22:06,457 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 588 [2020-10-14 03:22:06,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:06,479 INFO L225 Difference]: With dead ends: 10028 [2020-10-14 03:22:06,479 INFO L226 Difference]: Without dead ends: 5936 [2020-10-14 03:22:06,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:22:06,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5936 states. [2020-10-14 03:22:06,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5936 to 5748. [2020-10-14 03:22:06,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5748 states. [2020-10-14 03:22:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5748 states to 5748 states and 6529 transitions. [2020-10-14 03:22:06,622 INFO L78 Accepts]: Start accepts. Automaton has 5748 states and 6529 transitions. Word has length 588 [2020-10-14 03:22:06,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:06,623 INFO L479 AbstractCegarLoop]: Abstraction has 5748 states and 6529 transitions. [2020-10-14 03:22:06,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:06,623 INFO L276 IsEmpty]: Start isEmpty. Operand 5748 states and 6529 transitions. [2020-10-14 03:22:06,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2020-10-14 03:22:06,634 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:06,635 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 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] [2020-10-14 03:22:06,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 03:22:06,636 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:06,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:06,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1096562319, now seen corresponding path program 1 times [2020-10-14 03:22:06,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:06,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1884348812] [2020-10-14 03:22:06,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:06,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:06,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:07,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:11,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:11,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:11,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 700 [2020-10-14 03:22:11,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:11,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-14 03:22:11,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:11,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:11,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:11,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 03:22:11,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:11,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:11,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:11,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:11,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:11,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:11,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:11,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:22:11,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:11,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:11,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:11,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:11,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:11,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:11,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:11,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:11,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:11,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:22:11,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:11,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:22:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:11,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:12,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:12,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:12,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:12,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-14 03:22:12,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:12,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:12,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:12,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:12,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:22:12,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:12,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-10-14 03:22:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:12,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:12,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:12,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:12,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:12,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:22:12,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:12,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:12,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:12,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:22:12,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:12,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:12,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2020-10-14 03:22:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:12,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:12,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:12,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:12,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:12,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:22:12,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:12,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:12,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:12,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:22:12,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:12,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:12,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-10-14 03:22:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:12,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:12,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:12,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:12,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:12,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:22:12,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:12,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:12,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:12,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:12,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:12,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 358 proven. 332 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2020-10-14 03:22:12,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1884348812] [2020-10-14 03:22:12,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:12,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:12,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746061627] [2020-10-14 03:22:12,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:12,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:12,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:12,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:12,558 INFO L87 Difference]: Start difference. First operand 5748 states and 6529 transitions. Second operand 7 states. [2020-10-14 03:22:13,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:13,901 INFO L93 Difference]: Finished difference Result 11862 states and 13675 transitions. [2020-10-14 03:22:13,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:22:13,902 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 682 [2020-10-14 03:22:13,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:13,923 INFO L225 Difference]: With dead ends: 11862 [2020-10-14 03:22:13,924 INFO L226 Difference]: Without dead ends: 6486 [2020-10-14 03:22:13,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:22:13,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6486 states. [2020-10-14 03:22:14,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6486 to 6484. [2020-10-14 03:22:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6484 states. [2020-10-14 03:22:14,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6484 states to 6484 states and 7371 transitions. [2020-10-14 03:22:14,068 INFO L78 Accepts]: Start accepts. Automaton has 6484 states and 7371 transitions. Word has length 682 [2020-10-14 03:22:14,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:14,069 INFO L479 AbstractCegarLoop]: Abstraction has 6484 states and 7371 transitions. [2020-10-14 03:22:14,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:14,069 INFO L276 IsEmpty]: Start isEmpty. Operand 6484 states and 7371 transitions. [2020-10-14 03:22:14,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 817 [2020-10-14 03:22:14,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:14,087 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:22:14,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 03:22:14,087 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:14,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:14,088 INFO L82 PathProgramCache]: Analyzing trace with hash -437153739, now seen corresponding path program 1 times [2020-10-14 03:22:14,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:14,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [154654481] [2020-10-14 03:22:14,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:14,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:14,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:14,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:16,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:19,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:19,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 836 [2020-10-14 03:22:19,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:19,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-14 03:22:19,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:19,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-14 03:22:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:19,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:19,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:19,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:19,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:19,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:19,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:19,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:19,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:19,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:19,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:19,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:19,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:19,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:19,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:19,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:19,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:19,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:19,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:19,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:22:19,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:19,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:19,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:19,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:19,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:19,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:19,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:19,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:19,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:19,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:22:19,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:19,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 03:22:19,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:19,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:19,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:19,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:19,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:22:19,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:19,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 03:22:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:19,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:19,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:19,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:19,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:19,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-14 03:22:19,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:19,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:19,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:19,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:19,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:22:19,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:19,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-14 03:22:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:19,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:19,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:19,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:19,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:19,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 03:22:19,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:19,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:19,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:19,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:22:19,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:19,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:19,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-14 03:22:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:19,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:19,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:19,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:19,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:19,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:22:19,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:19,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:19,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:19,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:22:19,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:19,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:19,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2020-10-14 03:22:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:19,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:19,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:19,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:19,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:19,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:22:19,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:19,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:19,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:19,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:19,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:19,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:20,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1785 backedges. 554 proven. 332 refuted. 0 times theorem prover too weak. 899 trivial. 0 not checked. [2020-10-14 03:22:20,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [154654481] [2020-10-14 03:22:20,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:20,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:22:20,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872028478] [2020-10-14 03:22:20,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:22:20,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:20,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:22:20,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:22:20,307 INFO L87 Difference]: Start difference. First operand 6484 states and 7371 transitions. Second operand 8 states. [2020-10-14 03:22:22,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:22,386 INFO L93 Difference]: Finished difference Result 13514 states and 15467 transitions. [2020-10-14 03:22:22,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:22:22,386 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 816 [2020-10-14 03:22:22,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:22,410 INFO L225 Difference]: With dead ends: 13514 [2020-10-14 03:22:22,410 INFO L226 Difference]: Without dead ends: 7212 [2020-10-14 03:22:22,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:22:22,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7212 states. [2020-10-14 03:22:22,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7212 to 6846. [2020-10-14 03:22:22,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6846 states. [2020-10-14 03:22:22,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6846 states to 6846 states and 7702 transitions. [2020-10-14 03:22:22,531 INFO L78 Accepts]: Start accepts. Automaton has 6846 states and 7702 transitions. Word has length 816 [2020-10-14 03:22:22,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:22,531 INFO L479 AbstractCegarLoop]: Abstraction has 6846 states and 7702 transitions. [2020-10-14 03:22:22,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:22:22,532 INFO L276 IsEmpty]: Start isEmpty. Operand 6846 states and 7702 transitions. [2020-10-14 03:22:22,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 903 [2020-10-14 03:22:22,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:22,544 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:22:22,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 03:22:22,545 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:22,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:22,546 INFO L82 PathProgramCache]: Analyzing trace with hash -318817871, now seen corresponding path program 1 times [2020-10-14 03:22:22,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:22,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570424681] [2020-10-14 03:22:22,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:22,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:23,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:23,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:26,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 924 [2020-10-14 03:22:27,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:27,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-14 03:22:27,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:27,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 343 [2020-10-14 03:22:27,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:27,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:27,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:27,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:27,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:27,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:27,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:27,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:27,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:27,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:27,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:22:27,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:27,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:27,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:27,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:27,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:22:27,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:27,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:27,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:27,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:27,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:27,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:27,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:27,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:27,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 03:22:27,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:27,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:27,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 03:22:27,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:27,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 03:22:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:27,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:28,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:28,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:28,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:28,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 03:22:28,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:28,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:22:28,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:28,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-14 03:22:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:28,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:28,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:28,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:28,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:28,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:22:28,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:28,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:22:28,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:28,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:28,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-10-14 03:22:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:28,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:28,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:28,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:28,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:28,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 03:22:28,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:28,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:28,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:28,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:22:28,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:28,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:28,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2020-10-14 03:22:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:28,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:28,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:28,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:28,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:28,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:22:28,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:28,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:28,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:28,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:28,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:28,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:28,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2385 backedges. 702 proven. 332 refuted. 0 times theorem prover too weak. 1351 trivial. 0 not checked. [2020-10-14 03:22:28,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570424681] [2020-10-14 03:22:28,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:28,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:28,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721400167] [2020-10-14 03:22:28,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:28,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:28,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:28,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:28,651 INFO L87 Difference]: Start difference. First operand 6846 states and 7702 transitions. Second operand 7 states. [2020-10-14 03:22:29,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:29,828 INFO L93 Difference]: Finished difference Result 13868 states and 15650 transitions. [2020-10-14 03:22:29,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:22:29,829 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 902 [2020-10-14 03:22:29,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:29,858 INFO L225 Difference]: With dead ends: 13868 [2020-10-14 03:22:29,858 INFO L226 Difference]: Without dead ends: 7394 [2020-10-14 03:22:29,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:22:29,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7394 states. [2020-10-14 03:22:29,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7394 to 7210. [2020-10-14 03:22:29,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7210 states. [2020-10-14 03:22:29,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7210 states to 7210 states and 8096 transitions. [2020-10-14 03:22:29,977 INFO L78 Accepts]: Start accepts. Automaton has 7210 states and 8096 transitions. Word has length 902 [2020-10-14 03:22:29,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:29,977 INFO L479 AbstractCegarLoop]: Abstraction has 7210 states and 8096 transitions. [2020-10-14 03:22:29,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:29,978 INFO L276 IsEmpty]: Start isEmpty. Operand 7210 states and 8096 transitions. [2020-10-14 03:22:29,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2020-10-14 03:22:29,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:29,990 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:29,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 03:22:29,991 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:29,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:29,991 INFO L82 PathProgramCache]: Analyzing trace with hash -127907770, now seen corresponding path program 1 times [2020-10-14 03:22:29,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:29,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495356667] [2020-10-14 03:22:29,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:30,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:30,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:32,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 931 [2020-10-14 03:22:35,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:22:35,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5062 [2020-10-14 03:22:35,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 03:22:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:35,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:35,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:22:35,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:35,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:35,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:22:35,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:35,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:35,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:35,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:35,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 03:22:35,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 03:22:35,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:35,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 03:22:35,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 03:22:35,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 03:22:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:35,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:22:35,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 03:22:35,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-14 03:22:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:35,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 03:22:35,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 03:22:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:35,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-14 03:22:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:35,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:35,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:35,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:35,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:35,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:22:35,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:35,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:35,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:35,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:35,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:35,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 709 proven. 332 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-10-14 03:22:36,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495356667] [2020-10-14 03:22:36,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:36,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:36,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598116327] [2020-10-14 03:22:36,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:36,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:36,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:36,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:36,352 INFO L87 Difference]: Start difference. First operand 7210 states and 8096 transitions. Second operand 7 states. [2020-10-14 03:22:37,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:37,639 INFO L93 Difference]: Finished difference Result 14596 states and 16430 transitions. [2020-10-14 03:22:37,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:22:37,644 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 909 [2020-10-14 03:22:37,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:37,663 INFO L225 Difference]: With dead ends: 14596 [2020-10-14 03:22:37,664 INFO L226 Difference]: Without dead ends: 7576 [2020-10-14 03:22:37,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 03:22:37,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7576 states. [2020-10-14 03:22:37,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7576 to 7576. [2020-10-14 03:22:37,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7576 states. [2020-10-14 03:22:37,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7576 states to 7576 states and 8469 transitions. [2020-10-14 03:22:37,788 INFO L78 Accepts]: Start accepts. Automaton has 7576 states and 8469 transitions. Word has length 909 [2020-10-14 03:22:37,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:37,789 INFO L479 AbstractCegarLoop]: Abstraction has 7576 states and 8469 transitions. [2020-10-14 03:22:37,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:37,789 INFO L276 IsEmpty]: Start isEmpty. Operand 7576 states and 8469 transitions. [2020-10-14 03:22:37,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 991 [2020-10-14 03:22:37,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:37,804 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:37,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 03:22:37,804 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:37,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:37,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1249623965, now seen corresponding path program 1 times [2020-10-14 03:22:37,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:37,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601516912] [2020-10-14 03:22:37,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:38,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:39,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:39,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1014 [2020-10-14 03:22:39,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:39,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1855 [2020-10-14 03:22:39,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:39,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:39,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:22:39,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 03:22:39,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-14 03:22:39,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:39,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:39,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:39,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:39,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:39,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:39,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:39,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:39,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:39,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:39,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:39,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:39,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:39,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:39,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:39,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:22:39,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:39,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:39,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:39,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:39,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:39,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:40,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:40,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:40,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:22:40,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:40,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:40,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:40,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:40,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:40,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:40,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:40,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:40,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:40,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:40,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:22:40,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:40,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:40,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:40,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:40,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:40,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:40,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:40,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:40,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:22:40,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:40,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:22:40,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:40,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:40,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:40,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:22:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:40,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:40,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:40,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:40,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:22:40,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:40,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:40,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:40,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:40,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:40,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:22:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:40,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:40,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:40,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:40,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 03:22:40,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:40,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:40,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:40,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:40,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 03:22:40,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:40,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:22:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:40,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:40,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:40,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:40,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-14 03:22:40,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:40,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:40,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:22:40,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:40,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:22:40,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:40,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:22:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:40,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:40,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:40,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:40,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:40,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 03:22:40,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:40,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:40,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:40,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:40,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:22:40,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:41,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3009 backedges. 1558 proven. 85 refuted. 0 times theorem prover too weak. 1366 trivial. 0 not checked. [2020-10-14 03:22:41,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601516912] [2020-10-14 03:22:41,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:41,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 03:22:41,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868236692] [2020-10-14 03:22:41,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 03:22:41,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:41,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 03:22:41,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:22:41,130 INFO L87 Difference]: Start difference. First operand 7576 states and 8469 transitions. Second operand 10 states. [2020-10-14 03:22:43,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:43,484 INFO L93 Difference]: Finished difference Result 17212 states and 19409 transitions. [2020-10-14 03:22:43,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 03:22:43,484 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 990 [2020-10-14 03:22:43,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:43,514 INFO L225 Difference]: With dead ends: 17212 [2020-10-14 03:22:43,515 INFO L226 Difference]: Without dead ends: 9826 [2020-10-14 03:22:43,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-10-14 03:22:43,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9826 states. [2020-10-14 03:22:43,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9826 to 9600. [2020-10-14 03:22:43,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9600 states. [2020-10-14 03:22:43,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9600 states to 9600 states and 10793 transitions. [2020-10-14 03:22:43,686 INFO L78 Accepts]: Start accepts. Automaton has 9600 states and 10793 transitions. Word has length 990 [2020-10-14 03:22:43,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:43,687 INFO L479 AbstractCegarLoop]: Abstraction has 9600 states and 10793 transitions. [2020-10-14 03:22:43,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 03:22:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 9600 states and 10793 transitions. [2020-10-14 03:22:43,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1217 [2020-10-14 03:22:43,711 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:43,712 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:22:43,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 03:22:43,712 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:43,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:43,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1230800821, now seen corresponding path program 1 times [2020-10-14 03:22:43,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:43,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821628778] [2020-10-14 03:22:43,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:44,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:44,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:44,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:47,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:48,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:48,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1244 [2020-10-14 03:22:48,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:22:48,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-14 03:22:48,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:48,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:48,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:48,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1076 [2020-10-14 03:22:48,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 03:22:48,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:49,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:49,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:49,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:49,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:49,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:49,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:22:49,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:49,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:49,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:49,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:49,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:49,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:49,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:49,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:49,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:49,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:49,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:49,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:22:49,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:49,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:49,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:49,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:49,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:49,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:49,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:49,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:49,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:22:49,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:49,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:49,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:49,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:49,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:49,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:49,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:49,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:49,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:22:49,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:49,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:49,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:49,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:49,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:49,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:49,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:49,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:49,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:49,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:22:49,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:49,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:22:49,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:49,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:49,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:49,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:49,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:49,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:49,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:22:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:49,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:49,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:49,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:49,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:49,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:22:49,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:49,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:49,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:49,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:22:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:49,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:49,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:49,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:49,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:49,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:22:49,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:49,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:49,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:49,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:22:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:49,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:49,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:49,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:49,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:49,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:22:49,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:49,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:49,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:49,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:22:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:49,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:49,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:49,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:22:49,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:49,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:22:49,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:49,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:49,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:49,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:22:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:49,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:49,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:49,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:22:49,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:49,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:22:49,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:49,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 03:22:49,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:49,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1058 [2020-10-14 03:22:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:49,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:49,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:49,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 03:22:49,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:49,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 03:22:49,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:49,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:49,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:49,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:49,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 03:22:49,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4805 backedges. 1396 proven. 2 refuted. 0 times theorem prover too weak. 3407 trivial. 0 not checked. [2020-10-14 03:22:50,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821628778] [2020-10-14 03:22:50,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:50,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:50,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830174524] [2020-10-14 03:22:50,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:50,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:50,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:50,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:50,212 INFO L87 Difference]: Start difference. First operand 9600 states and 10793 transitions. Second operand 7 states. [2020-10-14 03:22:51,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:51,524 INFO L93 Difference]: Finished difference Result 19410 states and 21898 transitions. [2020-10-14 03:22:51,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:22:51,524 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1216 [2020-10-14 03:22:51,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:51,542 INFO L225 Difference]: With dead ends: 19410 [2020-10-14 03:22:51,542 INFO L226 Difference]: Without dead ends: 7972 [2020-10-14 03:22:51,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:22:51,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7972 states. [2020-10-14 03:22:51,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7972 to 7754. [2020-10-14 03:22:51,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7754 states. [2020-10-14 03:22:51,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7754 states to 7754 states and 8485 transitions. [2020-10-14 03:22:51,670 INFO L78 Accepts]: Start accepts. Automaton has 7754 states and 8485 transitions. Word has length 1216 [2020-10-14 03:22:51,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:51,671 INFO L479 AbstractCegarLoop]: Abstraction has 7754 states and 8485 transitions. [2020-10-14 03:22:51,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:51,671 INFO L276 IsEmpty]: Start isEmpty. Operand 7754 states and 8485 transitions. [2020-10-14 03:22:51,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1221 [2020-10-14 03:22:51,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:51,690 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:22:51,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 03:22:51,690 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:51,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:51,691 INFO L82 PathProgramCache]: Analyzing trace with hash 979850153, now seen corresponding path program 1 times [2020-10-14 03:22:51,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:51,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1914952327] [2020-10-14 03:22:51,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:22:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:51,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:52,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:53,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:56,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:56,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1248 [2020-10-14 03:22:56,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:22:56,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5072 [2020-10-14 03:22:56,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:56,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:56,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:56,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 991 [2020-10-14 03:22:56,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 03:22:56,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:57,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:22:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:57,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:57,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:22:57,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:57,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:22:57,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:57,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:57,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:57,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:57,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:22:57,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:22:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:57,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:57,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:22:57,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:57,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:22:57,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:57,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:57,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:57,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:57,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:57,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:22:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:57,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:57,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:22:57,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:57,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 03:22:57,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:57,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:57,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:57,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:22:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:57,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:57,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:22:57,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:57,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:22:57,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:57,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:57,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:57,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:57,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:57,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:22:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:57,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:57,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:22:57,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:57,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 03:22:57,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:57,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:57,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:57,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:57,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:57,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:57,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:22:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:57,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:57,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:22:57,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:57,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:22:57,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:57,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:57,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:57,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:57,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:57,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:57,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:22:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:57,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:57,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:22:57,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:57,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 03:22:57,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:57,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:57,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:57,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:57,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:57,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:57,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:22:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:57,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:57,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:22:57,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:57,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:22:57,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:57,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:57,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:57,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:57,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:57,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:57,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:22:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:57,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:57,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:22:57,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:57,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 03:22:57,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:57,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:57,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:22:57,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:22:57,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:22:57,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:57,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:22:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:57,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:57,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 03:22:57,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:57,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 03:22:57,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:57,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:57,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:22:57,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:22:57,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:22:57,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:57,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2020-10-14 03:22:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:22:57,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:22:57,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:22:57,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:22:57,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:22:57,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:22:57,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:22:57,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:22:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:22:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:22:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:22:57,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:22:58,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 1347 proven. 85 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2020-10-14 03:22:58,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1914952327] [2020-10-14 03:22:58,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:22:58,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:22:58,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528452298] [2020-10-14 03:22:58,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:22:58,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:22:58,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:22:58,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:22:58,430 INFO L87 Difference]: Start difference. First operand 7754 states and 8485 transitions. Second operand 7 states. [2020-10-14 03:22:59,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:22:59,787 INFO L93 Difference]: Finished difference Result 15504 states and 16977 transitions. [2020-10-14 03:22:59,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:22:59,788 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1220 [2020-10-14 03:22:59,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:22:59,805 INFO L225 Difference]: With dead ends: 15504 [2020-10-14 03:22:59,805 INFO L226 Difference]: Without dead ends: 7940 [2020-10-14 03:22:59,814 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:22:59,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7940 states. [2020-10-14 03:22:59,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7940 to 7936. [2020-10-14 03:22:59,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7936 states. [2020-10-14 03:22:59,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7936 states to 7936 states and 8669 transitions. [2020-10-14 03:22:59,919 INFO L78 Accepts]: Start accepts. Automaton has 7936 states and 8669 transitions. Word has length 1220 [2020-10-14 03:22:59,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:22:59,920 INFO L479 AbstractCegarLoop]: Abstraction has 7936 states and 8669 transitions. [2020-10-14 03:22:59,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:22:59,920 INFO L276 IsEmpty]: Start isEmpty. Operand 7936 states and 8669 transitions. [2020-10-14 03:22:59,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1456 [2020-10-14 03:22:59,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:22:59,945 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:22:59,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 03:22:59,945 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:22:59,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:22:59,946 INFO L82 PathProgramCache]: Analyzing trace with hash -431372658, now seen corresponding path program 1 times [2020-10-14 03:22:59,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:22:59,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253942391] [2020-10-14 03:22:59,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:00,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:01,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:02,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:02,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1485 [2020-10-14 03:23:02,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:23:02,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2240 [2020-10-14 03:23:02,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:02,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:02,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:02,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 03:23:02,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 03:23:02,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:02,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:02,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:02,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:02,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:02,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:02,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:23:02,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:02,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:02,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:02,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:02,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:02,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:02,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:02,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:02,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:02,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:02,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:02,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:02,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:02,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:02,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:02,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:02,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:02,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:02,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:02,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:02,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:02,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:02,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:02,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:02,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:02,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:02,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:02,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:02,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:02,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:02,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:02,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:02,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:02,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:02,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:02,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:23:02,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:02,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:02,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:02,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:02,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:02,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:02,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:02,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:02,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:02,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:02,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:02,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:02,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:02,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:02,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:02,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:02,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:02,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:02,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:02,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:02,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:23:02,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:02,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:02,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:02,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:02,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:02,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:02,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:02,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:02,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:02,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:02,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:02,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 03:23:02,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:02,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:02,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:02,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:02,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:02,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:02,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:02,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:02,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 03:23:02,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:02,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:02,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:02,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:02,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:02,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:02,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:02,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:02,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:02,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:02,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:02,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:23:02,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:02,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:02,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:02,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:02,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:02,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:02,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:02,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:02,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:02,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:02,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:02,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:23:02,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:02,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:02,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:03,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:03,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:03,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:03,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:03,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:03,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 03:23:03,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:03,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:03,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:03,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:03,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:03,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:03,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:03,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:03,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:03,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 03:23:03,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:03,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 03:23:03,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:03,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:03,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:03,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:03,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 03:23:03,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:03,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6335 backedges. 547 proven. 11 refuted. 0 times theorem prover too weak. 5777 trivial. 0 not checked. [2020-10-14 03:23:03,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253942391] [2020-10-14 03:23:03,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:03,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:23:03,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121458492] [2020-10-14 03:23:03,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:23:03,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:03,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:23:03,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:23:03,908 INFO L87 Difference]: Start difference. First operand 7936 states and 8669 transitions. Second operand 5 states. [2020-10-14 03:23:04,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:04,872 INFO L93 Difference]: Finished difference Result 15682 states and 17147 transitions. [2020-10-14 03:23:04,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:23:04,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1455 [2020-10-14 03:23:04,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:04,888 INFO L225 Difference]: With dead ends: 15682 [2020-10-14 03:23:04,888 INFO L226 Difference]: Without dead ends: 7936 [2020-10-14 03:23:04,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:23:04,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7936 states. [2020-10-14 03:23:04,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7936 to 7936. [2020-10-14 03:23:04,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7936 states. [2020-10-14 03:23:04,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7936 states to 7936 states and 8497 transitions. [2020-10-14 03:23:04,994 INFO L78 Accepts]: Start accepts. Automaton has 7936 states and 8497 transitions. Word has length 1455 [2020-10-14 03:23:04,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:04,995 INFO L479 AbstractCegarLoop]: Abstraction has 7936 states and 8497 transitions. [2020-10-14 03:23:04,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:23:04,995 INFO L276 IsEmpty]: Start isEmpty. Operand 7936 states and 8497 transitions. [2020-10-14 03:23:05,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1561 [2020-10-14 03:23:05,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:05,024 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 03:23:05,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 03:23:05,024 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:05,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:05,025 INFO L82 PathProgramCache]: Analyzing trace with hash -790118543, now seen corresponding path program 1 times [2020-10-14 03:23:05,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:05,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648081907] [2020-10-14 03:23:05,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:05,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:05,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:06,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:07,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:10,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:10,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1592 [2020-10-14 03:23:10,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:23:10,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 03:23:10,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:10,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:10,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:10,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1317 [2020-10-14 03:23:10,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:23:10,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:10,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:10,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:10,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:10,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:10,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:10,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:23:10,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:10,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:10,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:10,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:10,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:10,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:10,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:10,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:10,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:10,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:10,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:10,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:10,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:10,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:10,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:10,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:10,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:10,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:10,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:10,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:10,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 03:23:10,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:10,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:10,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:10,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:10,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:10,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:10,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:10,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:10,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 03:23:10,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:10,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:10,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:10,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:10,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:10,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:10,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:10,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:10,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:10,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:10,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:10,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 03:23:10,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:10,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:10,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:10,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:10,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:10,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:10,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:10,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:10,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:10,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:10,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:10,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:10,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:10,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:10,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:10,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:10,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:10,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:10,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:10,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:10,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:10,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:10,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:10,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:10,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:10,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:10,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:10,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:10,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:10,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:10,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:10,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:10,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:10,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:10,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:10,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:10,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:10,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:10,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:10,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:10,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:10,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:10,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:10,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:10,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:10,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:10,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:10,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:23:10,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:10,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:10,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:10,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:10,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:10,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:10,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:10,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:10,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:10,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:10,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:10,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:23:10,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:10,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:10,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:10,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:10,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:10,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:10,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:10,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:10,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:10,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:10,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:10,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 03:23:10,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:10,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:10,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:10,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:10,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-14 03:23:10,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:11,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:11,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:11,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:11,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:23:11,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:11,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 03:23:11,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:11,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:23:11,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:11,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1427 [2020-10-14 03:23:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:11,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:11,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:11,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:23:11,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:11,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:23:11,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:11,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:23:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:11,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 7403 backedges. 1762 proven. 85 refuted. 0 times theorem prover too weak. 5556 trivial. 0 not checked. [2020-10-14 03:23:12,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648081907] [2020-10-14 03:23:12,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:12,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:23:12,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236347717] [2020-10-14 03:23:12,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:23:12,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:12,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:23:12,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:23:12,461 INFO L87 Difference]: Start difference. First operand 7936 states and 8497 transitions. Second operand 7 states. [2020-10-14 03:23:13,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:13,793 INFO L93 Difference]: Finished difference Result 15686 states and 16809 transitions. [2020-10-14 03:23:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:23:13,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1560 [2020-10-14 03:23:13,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:13,807 INFO L225 Difference]: With dead ends: 15686 [2020-10-14 03:23:13,807 INFO L226 Difference]: Without dead ends: 7940 [2020-10-14 03:23:13,814 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:23:13,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7940 states. [2020-10-14 03:23:13,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7940 to 7754. [2020-10-14 03:23:13,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7754 states. [2020-10-14 03:23:13,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7754 states to 7754 states and 8287 transitions. [2020-10-14 03:23:13,913 INFO L78 Accepts]: Start accepts. Automaton has 7754 states and 8287 transitions. Word has length 1560 [2020-10-14 03:23:13,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:13,914 INFO L479 AbstractCegarLoop]: Abstraction has 7754 states and 8287 transitions. [2020-10-14 03:23:13,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:23:13,914 INFO L276 IsEmpty]: Start isEmpty. Operand 7754 states and 8287 transitions. [2020-10-14 03:23:13,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1647 [2020-10-14 03:23:13,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:13,943 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:23:13,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 03:23:13,943 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:13,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:13,944 INFO L82 PathProgramCache]: Analyzing trace with hash -337745327, now seen corresponding path program 1 times [2020-10-14 03:23:13,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:13,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044871792] [2020-10-14 03:23:13,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:14,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:14,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:16,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:17,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1680 [2020-10-14 03:23:19,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:23:19,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-14 03:23:19,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:19,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 03:23:19,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 03:23:19,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:19,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:23:19,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:19,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 03:23:19,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:19,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:23:19,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:19,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:19,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:19,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 03:23:19,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:19,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:23:19,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:19,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 03:23:19,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:19,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:23:19,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:19,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:19,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:19,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:23:19,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:19,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:19,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:19,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 03:23:19,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 03:23:19,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:19,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:19,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 03:23:19,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:19,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 03:23:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:19,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:19,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:19,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 03:23:19,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:19,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 03:23:19,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:19,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 03:23:19,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:20,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1513 [2020-10-14 03:23:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:20,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:20,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:20,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:23:20,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:20,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:23:20,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:20,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:20,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:23:20,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:20,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:21,030 INFO L134 CoverageAnalysis]: Checked inductivity of 8550 backedges. 1787 proven. 85 refuted. 0 times theorem prover too weak. 6678 trivial. 0 not checked. [2020-10-14 03:23:21,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1044871792] [2020-10-14 03:23:21,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:21,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:23:21,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970769938] [2020-10-14 03:23:21,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:23:21,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:21,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:23:21,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:23:21,033 INFO L87 Difference]: Start difference. First operand 7754 states and 8287 transitions. Second operand 7 states. [2020-10-14 03:23:22,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:22,367 INFO L93 Difference]: Finished difference Result 13476 states and 14359 transitions. [2020-10-14 03:23:22,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:23:22,368 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1646 [2020-10-14 03:23:22,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:22,375 INFO L225 Difference]: With dead ends: 13476 [2020-10-14 03:23:22,376 INFO L226 Difference]: Without dead ends: 4624 [2020-10-14 03:23:22,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:23:22,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4624 states. [2020-10-14 03:23:22,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4624 to 4072. [2020-10-14 03:23:22,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4072 states. [2020-10-14 03:23:22,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4072 states to 4072 states and 4176 transitions. [2020-10-14 03:23:22,435 INFO L78 Accepts]: Start accepts. Automaton has 4072 states and 4176 transitions. Word has length 1646 [2020-10-14 03:23:22,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:22,436 INFO L479 AbstractCegarLoop]: Abstraction has 4072 states and 4176 transitions. [2020-10-14 03:23:22,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:23:22,437 INFO L276 IsEmpty]: Start isEmpty. Operand 4072 states and 4176 transitions. [2020-10-14 03:23:22,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1775 [2020-10-14 03:23:22,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:22,468 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:23:22,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 03:23:22,468 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:22,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:22,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1721888697, now seen corresponding path program 1 times [2020-10-14 03:23:22,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:22,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1712947088] [2020-10-14 03:23:22,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:23,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:24,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:24,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:26,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:27,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:27,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1810 [2020-10-14 03:23:27,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:23:27,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5159 [2020-10-14 03:23:27,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:27,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1535 [2020-10-14 03:23:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:23:27,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:28,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:23:28,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:28,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:23:28,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:28,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:28,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:28,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:28,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:28,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:28,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:28,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 03:23:28,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:28,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:28,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:28,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:23:28,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:28,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:23:28,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:28,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 03:23:28,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:28,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:28,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:23:28,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:28,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:23:28,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 03:23:28,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:28,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:28,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:23:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:28,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:28,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 03:23:28,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:28,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 03:23:28,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:28,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 03:23:28,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:28,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1511 [2020-10-14 03:23:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:28,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:29,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:29,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:23:29,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:29,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-14 03:23:29,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:29,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:23:29,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:29,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1641 [2020-10-14 03:23:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:29,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:29,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:29,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:23:29,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:29,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 03:23:29,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:29,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:23:29,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:29,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:30,818 INFO L134 CoverageAnalysis]: Checked inductivity of 10005 backedges. 2084 proven. 85 refuted. 0 times theorem prover too weak. 7836 trivial. 0 not checked. [2020-10-14 03:23:30,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1712947088] [2020-10-14 03:23:30,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:30,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:23:30,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147409556] [2020-10-14 03:23:30,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:23:30,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:30,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:23:30,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:23:30,821 INFO L87 Difference]: Start difference. First operand 4072 states and 4176 transitions. Second operand 7 states. [2020-10-14 03:23:32,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:32,089 INFO L93 Difference]: Finished difference Result 6298 states and 6477 transitions. [2020-10-14 03:23:32,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:23:32,090 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1774 [2020-10-14 03:23:32,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:32,095 INFO L225 Difference]: With dead ends: 6298 [2020-10-14 03:23:32,096 INFO L226 Difference]: Without dead ends: 3886 [2020-10-14 03:23:32,099 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:23:32,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3886 states. [2020-10-14 03:23:32,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3886 to 3884. [2020-10-14 03:23:32,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3884 states. [2020-10-14 03:23:32,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 3884 states and 3961 transitions. [2020-10-14 03:23:32,141 INFO L78 Accepts]: Start accepts. Automaton has 3884 states and 3961 transitions. Word has length 1774 [2020-10-14 03:23:32,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:32,142 INFO L479 AbstractCegarLoop]: Abstraction has 3884 states and 3961 transitions. [2020-10-14 03:23:32,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:23:32,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3884 states and 3961 transitions. [2020-10-14 03:23:32,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1796 [2020-10-14 03:23:32,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:32,174 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:23:32,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 03:23:32,175 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:32,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:32,175 INFO L82 PathProgramCache]: Analyzing trace with hash 832436202, now seen corresponding path program 1 times [2020-10-14 03:23:32,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:32,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910806742] [2020-10-14 03:23:32,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:32,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:36,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:37,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:37,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1831 [2020-10-14 03:23:37,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:23:37,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5343 [2020-10-14 03:23:37,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:37,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:37,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:23:37,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1688 [2020-10-14 03:23:37,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 03:23:37,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:38,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:23:38,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:38,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:38,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:23:38,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:38,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:23:38,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:38,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:23:38,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:38,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:38,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:23:38,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:38,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:23:38,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:38,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:23:38,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:38,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-14 03:23:38,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:38,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:38,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:38,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:23:38,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:38,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:23:38,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:23:38,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:23:38,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:23:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:23:38,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:23:38,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:38,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:38,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 03:23:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:38,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:38,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 03:23:38,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:38,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 03:23:38,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:38,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:38,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:38,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:38,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:23:38,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:38,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 03:23:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:38,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:39,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:39,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:23:39,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 03:23:39,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:39,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:39,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:23:39,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:39,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:23:39,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:40,335 INFO L134 CoverageAnalysis]: Checked inductivity of 10175 backedges. 1738 proven. 60 refuted. 0 times theorem prover too weak. 8377 trivial. 0 not checked. [2020-10-14 03:23:40,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910806742] [2020-10-14 03:23:40,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:40,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:23:40,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810003964] [2020-10-14 03:23:40,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:23:40,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:40,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:23:40,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:23:40,338 INFO L87 Difference]: Start difference. First operand 3884 states and 3961 transitions. Second operand 8 states. [2020-10-14 03:23:41,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:41,972 INFO L93 Difference]: Finished difference Result 4816 states and 4926 transitions. [2020-10-14 03:23:41,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:23:41,972 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1795 [2020-10-14 03:23:41,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:41,980 INFO L225 Difference]: With dead ends: 4816 [2020-10-14 03:23:41,980 INFO L226 Difference]: Without dead ends: 4814 [2020-10-14 03:23:41,981 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:23:41,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4814 states. [2020-10-14 03:23:42,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4814 to 4442. [2020-10-14 03:23:42,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4442 states. [2020-10-14 03:23:42,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 4535 transitions. [2020-10-14 03:23:42,025 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 4535 transitions. Word has length 1795 [2020-10-14 03:23:42,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:42,027 INFO L479 AbstractCegarLoop]: Abstraction has 4442 states and 4535 transitions. [2020-10-14 03:23:42,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:23:42,027 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 4535 transitions. [2020-10-14 03:23:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1801 [2020-10-14 03:23:42,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:42,057 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:23:42,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 03:23:42,057 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:42,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:42,058 INFO L82 PathProgramCache]: Analyzing trace with hash 282966201, now seen corresponding path program 1 times [2020-10-14 03:23:42,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:42,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2120903391] [2020-10-14 03:23:42,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:42,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:43,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:44,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:45,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:45,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1836 [2020-10-14 03:23:45,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:23:45,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3546 [2020-10-14 03:23:45,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:45,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:45,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:45,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1781 [2020-10-14 03:23:45,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 03:23:45,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:46,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:23:46,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:46,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:46,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:46,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 03:23:46,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:46,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:23:46,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:46,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:23:46,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:46,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:46,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:46,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:23:46,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:46,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:23:46,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:46,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:23:46,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:46,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:23:46,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:46,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:23:46,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:23:46,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:23:46,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:23:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:23:46,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:23:46,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 03:23:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 03:23:46,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:23:46,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:46,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:46,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 03:23:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:46,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:46,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:46,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 03:23:46,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:46,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-14 03:23:46,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:46,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:46,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:46,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:46,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:23:46,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 10230 backedges. 697 proven. 14 refuted. 0 times theorem prover too weak. 9519 trivial. 0 not checked. [2020-10-14 03:23:47,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2120903391] [2020-10-14 03:23:47,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:47,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:23:47,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178260838] [2020-10-14 03:23:47,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:23:47,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:47,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:23:47,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:23:47,789 INFO L87 Difference]: Start difference. First operand 4442 states and 4535 transitions. Second operand 5 states. [2020-10-14 03:23:48,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:48,713 INFO L93 Difference]: Finished difference Result 8878 states and 9071 transitions. [2020-10-14 03:23:48,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:23:48,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1800 [2020-10-14 03:23:48,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:48,723 INFO L225 Difference]: With dead ends: 8878 [2020-10-14 03:23:48,723 INFO L226 Difference]: Without dead ends: 4442 [2020-10-14 03:23:48,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:23:48,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4442 states. [2020-10-14 03:23:48,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4442 to 4260. [2020-10-14 03:23:48,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4260 states. [2020-10-14 03:23:48,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4260 states to 4260 states and 4339 transitions. [2020-10-14 03:23:48,775 INFO L78 Accepts]: Start accepts. Automaton has 4260 states and 4339 transitions. Word has length 1800 [2020-10-14 03:23:48,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:48,776 INFO L479 AbstractCegarLoop]: Abstraction has 4260 states and 4339 transitions. [2020-10-14 03:23:48,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:23:48,777 INFO L276 IsEmpty]: Start isEmpty. Operand 4260 states and 4339 transitions. [2020-10-14 03:23:48,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2017 [2020-10-14 03:23:48,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:48,817 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 03:23:48,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 03:23:48,818 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:48,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:48,818 INFO L82 PathProgramCache]: Analyzing trace with hash -409295927, now seen corresponding path program 1 times [2020-10-14 03:23:48,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:48,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1255406200] [2020-10-14 03:23:48,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:49,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:50,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:51,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:52,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:54,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:54,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 2056 [2020-10-14 03:23:54,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:23:54,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5133 [2020-10-14 03:23:54,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:54,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1781 [2020-10-14 03:23:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:23:54,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:54,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:23:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:54,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:54,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:54,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:23:54,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:54,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:23:54,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:54,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:54,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:54,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:54,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:23:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:54,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:54,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:54,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:23:54,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:54,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:23:54,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:54,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:54,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:54,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:54,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:54,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:54,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:23:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:54,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:54,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:54,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:23:54,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:54,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:54,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:54,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:54,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:54,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:54,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:54,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:54,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:23:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:54,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:54,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:54,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:23:54,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:54,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:23:54,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:54,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:54,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:54,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:54,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:54,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:54,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:23:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:54,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:54,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:54,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:23:54,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:54,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:23:54,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:54,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:54,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:54,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:54,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:54,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:54,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:23:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:54,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:54,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:54,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:23:54,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:54,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 03:23:54,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:54,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:54,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:54,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:54,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:54,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:54,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:23:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:54,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:54,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:54,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:23:54,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:54,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:54,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:54,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:54,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:54,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:54,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:54,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:23:54,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:23:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:54,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:23:55,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-14 03:23:55,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:23:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:23:55,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 03:23:55,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:23:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:23:55,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:23:55,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:23:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:23:55,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:23:55,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:23:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:23:55,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:23:55,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:23:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:23:55,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:23:55,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 03:23:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 03:23:55,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:23:55,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 03:23:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 03:23:55,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:23:55,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:23:55,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:23:55,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 03:23:55,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1753 [2020-10-14 03:23:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:23:55,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 03:23:55,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:23:55,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:23:55,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:23:55,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:55,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1883 [2020-10-14 03:23:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:55,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:23:55,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:23:55,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:23:55,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:23:55,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:23:55,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:23:55,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:23:55,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:23:55,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:23:55,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:23:55,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:23:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 13188 backedges. 2434 proven. 85 refuted. 0 times theorem prover too weak. 10669 trivial. 0 not checked. [2020-10-14 03:23:57,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1255406200] [2020-10-14 03:23:57,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:23:57,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:23:57,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81605622] [2020-10-14 03:23:57,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:23:57,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:23:57,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:23:57,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:23:57,131 INFO L87 Difference]: Start difference. First operand 4260 states and 4339 transitions. Second operand 7 states. [2020-10-14 03:23:58,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:23:58,836 INFO L93 Difference]: Finished difference Result 6116 states and 6242 transitions. [2020-10-14 03:23:58,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:23:58,837 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 2016 [2020-10-14 03:23:58,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:23:58,843 INFO L225 Difference]: With dead ends: 6116 [2020-10-14 03:23:58,843 INFO L226 Difference]: Without dead ends: 4442 [2020-10-14 03:23:58,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:23:58,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4442 states. [2020-10-14 03:23:58,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4442 to 4256. [2020-10-14 03:23:58,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4256 states. [2020-10-14 03:23:58,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 4256 states and 4333 transitions. [2020-10-14 03:23:58,893 INFO L78 Accepts]: Start accepts. Automaton has 4256 states and 4333 transitions. Word has length 2016 [2020-10-14 03:23:58,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:23:58,895 INFO L479 AbstractCegarLoop]: Abstraction has 4256 states and 4333 transitions. [2020-10-14 03:23:58,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:23:58,895 INFO L276 IsEmpty]: Start isEmpty. Operand 4256 states and 4333 transitions. [2020-10-14 03:23:58,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2106 [2020-10-14 03:23:58,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:23:58,931 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 03:23:58,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 03:23:58,931 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:23:58,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:23:58,932 INFO L82 PathProgramCache]: Analyzing trace with hash -651264042, now seen corresponding path program 1 times [2020-10-14 03:23:58,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:23:58,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709465888] [2020-10-14 03:23:58,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:23:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:23:59,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:02,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:04,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:04,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 2145 [2020-10-14 03:24:04,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:24:04,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-10-14 03:24:04,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:04,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:04,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:24:04,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2002 [2020-10-14 03:24:04,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 03:24:04,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:04,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:24:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:04,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:04,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:04,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:24:04,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:04,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:24:04,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:04,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:04,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:04,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:04,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:04,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:04,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:24:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:04,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:04,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:04,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:24:04,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:04,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:24:04,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:04,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:04,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:04,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:04,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:04,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:04,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:24:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:04,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:04,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:04,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:24:04,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:04,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 03:24:04,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:04,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:04,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:04,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:04,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:04,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:04,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:24:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:04,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:04,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:04,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:24:04,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:04,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:24:04,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:04,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:04,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:04,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:24:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:04,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:04,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:04,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:24:04,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:04,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 03:24:04,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:04,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:04,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:04,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:24:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:04,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:04,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:04,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:24:04,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:04,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:24:04,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:04,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:04,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:04,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:04,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:04,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:24:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:04,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:04,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:04,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:24:04,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:04,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:24:04,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:04,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:04,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:04,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:04,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:04,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:04,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:24:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:04,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:04,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:04,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:24:04,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:04,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:24:04,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:04,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:04,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:04,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:04,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:04,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:04,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:24:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:04,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:04,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:04,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:24:04,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:04,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:24:04,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:04,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:04,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:04,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:04,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:04,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:04,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:24:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:04,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:04,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:04,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:24:04,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:04,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:24:04,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:04,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:04,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:04,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:04,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:04,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:04,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:24:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:04,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:04,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:04,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:24:04,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:04,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:24:04,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:04,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:04,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:04,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:04,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:04,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:04,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:24:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:04,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:05,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:05,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:24:05,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:05,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:24:05,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:05,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:05,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:05,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:05,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:05,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:05,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:24:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:05,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:05,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:05,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:24:05,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:05,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:24:05,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:05,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:05,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:05,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 03:24:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:05,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:05,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:05,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 03:24:05,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:05,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:24:05,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:05,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:05,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:05,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:05,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:05,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:05,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 03:24:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:05,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:05,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:05,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-14 03:24:05,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:05,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:24:05,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:05,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:05,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:24:05,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:05,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:24:05,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:05,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1842 [2020-10-14 03:24:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:05,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:05,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:05,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:24:05,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:05,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 03:24:05,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:05,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:05,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:24:05,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:24:05,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 03:24:05,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:05,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1972 [2020-10-14 03:24:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:24:05,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:24:05,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:24:05,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:24:05,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:24:05,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 03:24:05,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:24:05,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:24:05,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:24:05,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:24:05,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:24:05,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:24:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 13721 backedges. 2004 proven. 66 refuted. 0 times theorem prover too weak. 11651 trivial. 0 not checked. [2020-10-14 03:24:07,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709465888] [2020-10-14 03:24:07,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:24:07,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:24:07,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536881304] [2020-10-14 03:24:07,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:24:07,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:24:07,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:24:07,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:24:07,057 INFO L87 Difference]: Start difference. First operand 4256 states and 4333 transitions. Second operand 8 states. [2020-10-14 03:24:09,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:24:09,695 INFO L93 Difference]: Finished difference Result 4460 states and 4548 transitions. [2020-10-14 03:24:09,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 03:24:09,696 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 2105 [2020-10-14 03:24:09,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:24:09,698 INFO L225 Difference]: With dead ends: 4460 [2020-10-14 03:24:09,698 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:24:09,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2020-10-14 03:24:09,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:24:09,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:24:09,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:24:09,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:24:09,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2105 [2020-10-14 03:24:09,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:24:09,703 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:24:09,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:24:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:24:09,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:24:09,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 03:24:09,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:24:11,139 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 235 [2020-10-14 03:24:11,733 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 235 [2020-10-14 03:24:14,583 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 322 DAG size of output: 141 [2020-10-14 03:24:16,146 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 233 DAG size of output: 96 [2020-10-14 03:24:17,700 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 233 DAG size of output: 96 [2020-10-14 03:24:17,706 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:24:17,706 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 03:24:17,706 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:24:17,706 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:24:17,706 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:24:17,707 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,707 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,707 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,707 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:24:17,707 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:24:17,707 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:24:17,707 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:24:17,707 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:24:17,707 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:24:17,708 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:24:17,708 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:24:17,708 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,708 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,708 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,708 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:24:17,708 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:24:17,708 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:24:17,708 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:24:17,709 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:24:17,709 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:24:17,709 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:24:17,709 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:24:17,709 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,709 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,709 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,709 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:24:17,709 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:24:17,709 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:24:17,709 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:24:17,710 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:24:17,710 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:24:17,710 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:24:17,710 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:24:17,710 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:24:17,710 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,710 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,710 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,710 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:24:17,711 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:24:17,711 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:24:17,711 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:24:17,711 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:24:17,711 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:24:17,711 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:24:17,711 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,711 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,711 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,712 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:24:17,712 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:24:17,712 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:24:17,712 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:24:17,712 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:24:17,712 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:24:17,712 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:24:17,712 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:24:17,712 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:24:17,713 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,713 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,713 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,713 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,713 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:24:17,713 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:24:17,713 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:24:17,713 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:24:17,713 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:24:17,713 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:24:17,714 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:24:17,714 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:24:17,714 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,714 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,714 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,714 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:24:17,714 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:24:17,714 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:24:17,714 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:24:17,714 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:24:17,714 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:24:17,715 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:24:17,715 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:24:17,715 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,715 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,715 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,715 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:24:17,715 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:24:17,715 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:24:17,715 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:24:17,716 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:24:17,716 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:24:17,716 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse38 (= 6 |old(~a21~0)|))) (let ((.cse13 (= ~a21~0 6)) (.cse14 (= ~a24~0 1)) (.cse33 (= ~a21~0 9)) (.cse23 (= ~a21~0 |old(~a21~0)|)) (.cse12 (= ~a15~0 8)) (.cse21 (= ~a24~0 |old(~a24~0)|)) (.cse32 (= ~a21~0 8)) (.cse15 (= ~a12~0 |old(~a12~0)|)) (.cse24 (= ~a15~0 |old(~a15~0)|)) (.cse4 (not (= 10 |old(~a21~0)|))) (.cse11 (not (<= 81 |old(~a12~0)|))) (.cse0 (not (<= |old(~a15~0)| 7))) (.cse3 (not .cse38)) (.cse39 (not (<= |old(~a12~0)| 2)))) (let ((.cse19 (and (or .cse0 .cse4 .cse11) (or .cse0 .cse3 .cse39))) (.cse8 (and .cse21 .cse32 .cse15 .cse24)) (.cse9 (not (= 8 |old(~a21~0)|))) (.cse34 (not (<= |old(~a12~0)| 76))) (.cse6 (and .cse21 .cse23 .cse12 .cse15)) (.cse31 (not (<= |old(~a12~0)| 73282))) (.cse30 (not (<= |old(~a12~0)| 11))) (.cse20 (<= ~a15~0 7)) (.cse22 (= ~a21~0 10)) (.cse25 (not (<= 9 |old(~a15~0)|))) (.cse29 (not (= 9 |old(~a21~0)|))) (.cse28 (and .cse21 .cse33 .cse15 .cse24)) (.cse17 (not (<= |old(~a12~0)| 599999))) (.cse35 (not (= 6 |old(~a15~0)|))) (.cse16 (and .cse21 .cse23 .cse15 .cse24)) (.cse7 (not (<= 80 |old(~a12~0)|))) (.cse10 (not (<= |old(~a12~0)| 586307))) (.cse1 (not (= |old(~a24~0)| 1))) (.cse2 (and .cse13 .cse14 .cse15 .cse24)) (.cse18 (not (<= 82 |old(~a12~0)|))) (.cse5 (not (= 8 |old(~a15~0)|))) (.cse26 (not (<= 7 |old(~a21~0)|))) (.cse27 (not (<= |old(~a21~0)| 7))) (.cse36 (<= ~a21~0 7)) (.cse37 (<= 7 ~a21~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 .cse9) (or .cse10 .cse1 .cse11 .cse5 (and .cse12 .cse13 .cse14 .cse15) .cse3) (or .cse4 .cse16 .cse17 .cse18) (or .cse19 (and (or (and .cse20 .cse21 .cse22 .cse23) (and .cse21 .cse13 .cse15)) .cse24)) (or .cse16 .cse17 .cse18 (and (or .cse25 .cse9) (or .cse25 .cse26 .cse27))) (or .cse0 .cse28 .cse29) (or .cse11 (and .cse20 .cse21 .cse22 .cse23 .cse15) .cse19) (or .cse4 .cse25 .cse16 .cse30) (or .cse9 .cse31 .cse5 (and .cse21 .cse12 .cse32 .cse15) .cse18) (or .cse5 .cse29 (and .cse21 .cse12 .cse33 .cse15) .cse34) (or .cse4 .cse35 .cse16 .cse34) (or .cse8 .cse9 .cse34) (or .cse4 .cse5 .cse6 .cse30) (or .cse35 (and .cse21 .cse13 .cse15 .cse24) .cse31 .cse3) (or .cse35 (not (<= |old(~a21~0)| 9)) .cse16 .cse30) (or .cse0 (and .cse36 .cse37 .cse21 .cse15 .cse24) .cse26 .cse27) (or .cse1 (and .cse23 .cse14 .cse15 .cse24) (not (= 5 |old(~a15~0)|))) (or .cse0 .cse4 (and .cse20 .cse21 .cse22 .cse23 .cse15 .cse24) (not (<= (+ |old(~a12~0)| 397560) 0))) (or .cse25 .cse29 .cse28 .cse17 .cse18) (or .cse35 .cse16 .cse7 .cse38) (or .cse10 .cse1 .cse2 .cse18 .cse3) (or .cse5 .cse26 .cse27 .cse39 (and .cse36 .cse37 .cse21 .cse12 .cse15)))))) [2020-10-14 03:24:17,717 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:24:17,717 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:24:17,717 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,717 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,717 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,717 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:24:17,717 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:24:17,717 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:24:17,717 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:24:17,717 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:24:17,718 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:24:17,718 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:24:17,718 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:24:17,718 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,718 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,718 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,718 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:24:17,718 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:24:17,718 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:24:17,718 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:24:17,719 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:24:17,719 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:24:17,719 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:24:17,719 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:24:17,719 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,719 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,719 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,719 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:24:17,719 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:24:17,719 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:24:17,719 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:24:17,720 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:24:17,720 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:24:17,720 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:24:17,720 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:24:17,720 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,720 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,720 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,720 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:24:17,720 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:24:17,720 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:24:17,721 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:24:17,721 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:24:17,721 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:24:17,721 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:24:17,721 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:24:17,721 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,721 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,721 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:24:17,721 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:24:17,721 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:24:17,721 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:24:17,722 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:24:17,722 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:24:17,722 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:24:17,722 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:24:17,722 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2020-10-14 03:24:17,722 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,722 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,722 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:24:17,722 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:24:17,722 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:24:17,723 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:24:17,723 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:24:17,723 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:24:17,723 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,723 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,723 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:24:17,723 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:24:17,723 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:24:17,723 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:24:17,723 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:24:17,723 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:24:17,724 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:24:17,724 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:24:17,724 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,724 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,724 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:24:17,724 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:24:17,724 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:24:17,724 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:24:17,724 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:24:17,724 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:24:17,724 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:24:17,725 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,725 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,725 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,725 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:24:17,725 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:24:17,725 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:24:17,725 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:24:17,725 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:24:17,725 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:24:17,725 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,726 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,726 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:24:17,726 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,726 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:24:17,726 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:24:17,726 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:24:17,726 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:24:17,726 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:24:17,726 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:24:17,727 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:24:17,727 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:24:17,727 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:24:17,727 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:24:17,727 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,727 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,727 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,727 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:24:17,727 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:24:17,727 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:24:17,728 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:24:17,728 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:24:17,728 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:24:17,728 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:24:17,728 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:24:17,728 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,728 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,728 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,728 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:24:17,729 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:24:17,729 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:24:17,729 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:24:17,729 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:24:17,729 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:24:17,729 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:24:17,729 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:24:17,729 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,729 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,730 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,730 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:24:17,730 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:24:17,730 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:24:17,730 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:24:17,730 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:24:17,730 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:24:17,730 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:24:17,730 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:24:17,731 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:24:17,731 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,731 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,731 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:24:17,731 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:24:17,731 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:24:17,731 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:24:17,731 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:24:17,731 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:24:17,731 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:24:17,732 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (<= (+ ~a12~0 49) 0) (= ~a15~0 8)) [2020-10-14 03:24:17,732 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:24:17,732 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:24:17,732 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-10-14 03:24:17,732 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:24:17,732 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse2 (<= ~a21~0 7)) (.cse17 (not (= 10 |old(~a21~0)|))) (.cse13 (<= 81 ~a12~0)) (.cse18 (or (<= |old(~a12~0)| 11) (= 6 |old(~a21~0)|))) (.cse7 (<= ~a12~0 76)) (.cse20 (= ~a15~0 8)) (.cse19 (<= 80 ~a12~0)) (.cse14 (<= ~a12~0 586307)) (.cse4 (<= 9 ~a15~0)) (.cse21 (<= ~a12~0 11)) (.cse10 (= ~a15~0 6)) (.cse3 (<= 7 ~a21~0)) (.cse22 (<= ~a12~0 2)) (.cse23 (<= ~a21~0 9)) (.cse8 (<= ~a15~0 |old(~a15~0)|)) (.cse5 (= ~a21~0 8)) (.cse11 (<= ~a12~0 73282)) (.cse9 (= ~a21~0 6)) (.cse15 (= ~a24~0 1)) (.cse0 (<= 82 ~a12~0)) (.cse16 (= ~a21~0 10)) (.cse1 (<= ~a12~0 599999)) (.cse12 (<= ~a15~0 7)) (.cse6 (= ~a21~0 9))) (or (and .cse0 .cse1 (or (and .cse2 .cse3 .cse4) (and .cse4 .cse5))) (and .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse11) (and .cse2 .cse3 .cse12) (not (= 8 |old(~a15~0)|)) (and .cse13 .cse14 .cse9 .cse15 .cse8) (and .cse16 .cse10 .cse7) (and .cse12 .cse17 .cse16 (<= (+ ~a12~0 397560) 0) .cse18) (and .cse12 .cse17 .cse13 .cse16 .cse18) (and .cse19 .cse16 .cse20) (and .cse5 .cse7) (and .cse12 .cse5) (and .cse21 .cse16 .cse20) (and .cse12 .cse9 .cse22) (and .cse19 .cse10 (not .cse9)) (and .cse16 .cse21 .cse4) (and .cse0 .cse14 .cse9 .cse15) (and .cse0 .cse4 .cse6 .cse1) (and .cse21 .cse10 .cse23) (not (<= |old(~a21~0)| 7)) (and .cse3 .cse22 .cse23 .cse8) (and .cse0 .cse5 .cse11) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse12 .cse9 .cse15) (and (= 5 ~a15~0) .cse15) (and .cse0 .cse16 .cse1) (and .cse12 .cse6) (not (<= 7 |old(~a21~0)|)))) [2020-10-14 03:24:17,733 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:24:17,733 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:24:17,733 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse2 (<= ~a21~0 7)) (.cse17 (not (= 10 |old(~a21~0)|))) (.cse13 (<= 81 ~a12~0)) (.cse18 (or (<= |old(~a12~0)| 11) (= 6 |old(~a21~0)|))) (.cse7 (<= ~a12~0 76)) (.cse20 (= ~a15~0 8)) (.cse19 (<= 80 ~a12~0)) (.cse14 (<= ~a12~0 586307)) (.cse4 (<= 9 ~a15~0)) (.cse21 (<= ~a12~0 11)) (.cse10 (= ~a15~0 6)) (.cse3 (<= 7 ~a21~0)) (.cse22 (<= ~a12~0 2)) (.cse23 (<= ~a21~0 9)) (.cse8 (<= ~a15~0 |old(~a15~0)|)) (.cse5 (= ~a21~0 8)) (.cse11 (<= ~a12~0 73282)) (.cse9 (= ~a21~0 6)) (.cse15 (= ~a24~0 1)) (.cse0 (<= 82 ~a12~0)) (.cse16 (= ~a21~0 10)) (.cse1 (<= ~a12~0 599999)) (.cse12 (<= ~a15~0 7)) (.cse6 (= ~a21~0 9))) (or (and .cse0 .cse1 (or (and .cse2 .cse3 .cse4) (and .cse4 .cse5))) (and .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse11) (and .cse2 .cse3 .cse12) (not (= 8 |old(~a15~0)|)) (and .cse13 .cse14 .cse9 .cse15 .cse8) (and .cse16 .cse10 .cse7) (and .cse12 .cse17 .cse16 (<= (+ ~a12~0 397560) 0) .cse18) (and .cse12 .cse17 .cse13 .cse16 .cse18) (and .cse19 .cse16 .cse20) (and .cse5 .cse7) (and .cse12 .cse5) (and .cse21 .cse16 .cse20) (and .cse12 .cse9 .cse22) (and .cse19 .cse10 (not .cse9)) (and .cse16 .cse21 .cse4) (and .cse0 .cse14 .cse9 .cse15) (and .cse0 .cse4 .cse6 .cse1) (and .cse21 .cse10 .cse23) (not (<= |old(~a21~0)| 7)) (and .cse3 .cse22 .cse23 .cse8) (and .cse0 .cse5 .cse11) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse12 .cse9 .cse15) (and (= 5 ~a15~0) .cse15) (and .cse0 .cse16 .cse1) (and .cse12 .cse6) (not (<= 7 |old(~a21~0)|)))) [2020-10-14 03:24:17,733 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:24:17,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:24:17 BoogieIcfgContainer [2020-10-14 03:24:17,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:24:17,760 INFO L168 Benchmark]: Toolchain (without parser) took 185092.70 ms. Allocated memory was 148.4 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 101.4 MB in the beginning and 362.5 MB in the end (delta: -261.2 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2020-10-14 03:24:17,761 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 121.7 MB in the beginning and 121.2 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 03:24:17,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.96 ms. Allocated memory was 148.4 MB in the beginning and 208.7 MB in the end (delta: 60.3 MB). Free memory was 101.4 MB in the beginning and 171.3 MB in the end (delta: -69.9 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2020-10-14 03:24:17,762 INFO L168 Benchmark]: Boogie Preprocessor took 156.54 ms. Allocated memory is still 208.7 MB. Free memory was 171.3 MB in the beginning and 166.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-14 03:24:17,762 INFO L168 Benchmark]: RCFGBuilder took 1501.43 ms. Allocated memory was 208.7 MB in the beginning and 236.5 MB in the end (delta: 27.8 MB). Free memory was 166.3 MB in the beginning and 151.4 MB in the end (delta: 14.8 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2020-10-14 03:24:17,763 INFO L168 Benchmark]: TraceAbstraction took 182601.62 ms. Allocated memory was 236.5 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 149.8 MB in the beginning and 362.5 MB in the end (delta: -212.7 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2020-10-14 03:24:17,766 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 121.7 MB in the beginning and 121.2 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 827.96 ms. Allocated memory was 148.4 MB in the beginning and 208.7 MB in the end (delta: 60.3 MB). Free memory was 101.4 MB in the beginning and 171.3 MB in the end (delta: -69.9 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.54 ms. Allocated memory is still 208.7 MB. Free memory was 171.3 MB in the beginning and 166.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1501.43 ms. Allocated memory was 208.7 MB in the beginning and 236.5 MB in the end (delta: 27.8 MB). Free memory was 166.3 MB in the beginning and 151.4 MB in the end (delta: 14.8 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 182601.62 ms. Allocated memory was 236.5 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 149.8 MB in the beginning and 362.5 MB in the end (delta: -212.7 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((82 <= a12 && a12 <= 599999) && (((a21 <= 7 && 7 <= a21) && 9 <= a15) || (9 <= a15 && a21 == 8))) || ((a21 == 9 && a12 <= 76) && a15 <= \old(a15))) || ((a21 == 6 && a15 == 6) && a12 <= 73282)) || ((a21 <= 7 && 7 <= a21) && a15 <= 7)) || !(8 == \old(a15))) || ((((81 <= a12 && a12 <= 586307) && a21 == 6) && a24 == 1) && a15 <= \old(a15))) || ((a21 == 10 && a15 == 6) && a12 <= 76)) || ((((a15 <= 7 && !(10 == \old(a21))) && a21 == 10) && a12 + 397560 <= 0) && (\old(a12) <= 11 || 6 == \old(a21)))) || ((((a15 <= 7 && !(10 == \old(a21))) && 81 <= a12) && a21 == 10) && (\old(a12) <= 11 || 6 == \old(a21)))) || ((80 <= a12 && a21 == 10) && a15 == 8)) || (a21 == 8 && a12 <= 76)) || (a15 <= 7 && a21 == 8)) || ((a12 <= 11 && a21 == 10) && a15 == 8)) || ((a15 <= 7 && a21 == 6) && a12 <= 2)) || ((80 <= a12 && a15 == 6) && !(a21 == 6))) || ((a21 == 10 && a12 <= 11) && 9 <= a15)) || (((82 <= a12 && a12 <= 586307) && a21 == 6) && a24 == 1)) || (((82 <= a12 && 9 <= a15) && a21 == 9) && a12 <= 599999)) || ((a12 <= 11 && a15 == 6) && a21 <= 9)) || !(\old(a21) <= 7)) || (((7 <= a21 && a12 <= 2) && a21 <= 9) && a15 <= \old(a15))) || ((82 <= a12 && a21 == 8) && a12 <= 73282)) || !(\old(a12) + 49 <= 0)) || ((a15 <= 7 && a21 == 6) && a24 == 1)) || (5 == a15 && a24 == 1)) || ((82 <= a12 && a21 == 10) && a12 <= 599999)) || (a15 <= 7 && a21 == 9)) || !(7 <= \old(a21)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 174.4s, OverallIterations: 24, TraceHistogramMax: 17, AutomataDifference: 36.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 696 SDtfs, 14015 SDslu, 937 SDs, 0 SdLazy, 26465 SolverSat, 1891 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 721 GetRequests, 504 SyntacticMatches, 5 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9600occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 24 MinimizatonAttempts, 3088 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 570 PreInvPairs, 676 NumberOfFragments, 1403 HoareAnnotationTreeSize, 570 FomulaSimplifications, 6414471 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 76294 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 117.7s InterpolantComputationTime, 23609 NumberOfCodeBlocks, 23609 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 23585 ConstructedInterpolants, 0 QuantifiedInterpolants, 49513921 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 1 PerfectInterpolantSequences, 100003/102336 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...