/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=NARROWEST --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/Problem16_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 09:14:25,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 09:14:25,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 09:14:25,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 09:14:25,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 09:14:25,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 09:14:25,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 09:14:25,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 09:14:25,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 09:14:25,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 09:14:25,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 09:14:25,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 09:14:25,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 09:14:25,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 09:14:25,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 09:14:25,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 09:14:25,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 09:14:25,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 09:14:25,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 09:14:25,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 09:14:25,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 09:14:25,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 09:14:25,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 09:14:25,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 09:14:25,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 09:14:25,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 09:14:25,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 09:14:25,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 09:14:25,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 09:14:25,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 09:14:25,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 09:14:25,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 09:14:25,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 09:14:25,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 09:14:25,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 09:14:25,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 09:14:25,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 09:14:25,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 09:14:25,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 09:14:25,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 09:14:25,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 09:14:25,515 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 [2020-10-13 09:14:25,558 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 09:14:25,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 09:14:25,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 09:14:25,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 09:14:25,561 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 09:14:25,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 09:14:25,561 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 09:14:25,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 09:14:25,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 09:14:25,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 09:14:25,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 09:14:25,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 09:14:25,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 09:14:25,564 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 09:14:25,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 09:14:25,564 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 09:14:25,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 09:14:25,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 09:14:25,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 09:14:25,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 09:14:25,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 09:14:25,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 09:14:25,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 09:14:25,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 09:14:25,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 09:14:25,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 09:14:25,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 09:14:25,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 09:14:25,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 09:14:25,567 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 09:14:25,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 09:14:25,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 09:14:25,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 09:14:25,930 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 09:14:25,930 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 09:14:25,931 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label07.c [2020-10-13 09:14:26,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/118b0ef77/19a0539a4c7c484ab98f917271710187/FLAG6764ead17 [2020-10-13 09:14:26,693 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 09:14:26,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem16_label07.c [2020-10-13 09:14:26,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/118b0ef77/19a0539a4c7c484ab98f917271710187/FLAG6764ead17 [2020-10-13 09:14:26,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/118b0ef77/19a0539a4c7c484ab98f917271710187 [2020-10-13 09:14:26,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 09:14:26,848 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 09:14:26,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 09:14:26,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 09:14:26,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 09:14:26,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:14:26" (1/1) ... [2020-10-13 09:14:26,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:26, skipping insertion in model container [2020-10-13 09:14:26,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:14:26" (1/1) ... [2020-10-13 09:14:26,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 09:14:26,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 09:14:27,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 09:14:27,757 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 09:14:27,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 09:14:27,996 INFO L208 MainTranslator]: Completed translation [2020-10-13 09:14:27,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:27 WrapperNode [2020-10-13 09:14:27,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 09:14:27,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 09:14:27,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 09:14:27,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 09:14:28,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:27" (1/1) ... [2020-10-13 09:14:28,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:27" (1/1) ... [2020-10-13 09:14:28,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:27" (1/1) ... [2020-10-13 09:14:28,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:27" (1/1) ... [2020-10-13 09:14:28,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:27" (1/1) ... [2020-10-13 09:14:28,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:27" (1/1) ... [2020-10-13 09:14:28,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:27" (1/1) ... [2020-10-13 09:14:28,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 09:14:28,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 09:14:28,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 09:14:28,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 09:14:28,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:27" (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 [2020-10-13 09:14:28,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 09:14:28,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 09:14:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 09:14:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-13 09:14:28,348 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 09:14:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 09:14:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-13 09:14:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 09:14:28,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 09:14:28,350 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 09:14:28,350 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 09:14:28,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 09:14:28,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 09:14:30,730 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 09:14:30,730 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 09:14:30,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:14:30 BoogieIcfgContainer [2020-10-13 09:14:30,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 09:14:30,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 09:14:30,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 09:14:30,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 09:14:30,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:14:26" (1/3) ... [2020-10-13 09:14:30,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f172d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:14:30, skipping insertion in model container [2020-10-13 09:14:30,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:27" (2/3) ... [2020-10-13 09:14:30,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f172d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:14:30, skipping insertion in model container [2020-10-13 09:14:30,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:14:30" (3/3) ... [2020-10-13 09:14:30,746 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem16_label07.c [2020-10-13 09:14:30,757 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 09:14:30,766 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 09:14:30,782 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 09:14:30,842 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 09:14:30,842 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 09:14:30,842 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 09:14:30,842 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 09:14:30,842 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 09:14:30,843 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 09:14:30,843 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 09:14:30,843 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 09:14:30,870 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2020-10-13 09:14:30,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 09:14:30,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:14:30,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:14:30,882 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:14:30,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:14:30,891 INFO L82 PathProgramCache]: Analyzing trace with hash -586545963, now seen corresponding path program 1 times [2020-10-13 09:14:30,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:14:30,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227373824] [2020-10-13 09:14:30,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:14:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:31,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:31,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:31,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-13 09:14:31,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:14:31,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-13 09:14:31,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 09:14:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 09:14:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 09:14:31,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 09:14:31,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:14:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:31,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:31,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:31,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:14:31,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:14:31,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 09:14:31,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:14:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:14:31,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 09:14:31,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:14:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 09:14:31,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227373824] [2020-10-13 09:14:31,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 09:14:31,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 09:14:31,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747564332] [2020-10-13 09:14:31,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 09:14:31,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:14:31,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 09:14:31,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 09:14:31,709 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 4 states. [2020-10-13 09:14:35,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:14:35,408 INFO L93 Difference]: Finished difference Result 1169 states and 2164 transitions. [2020-10-13 09:14:35,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:14:35,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-13 09:14:35,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:14:35,437 INFO L225 Difference]: With dead ends: 1169 [2020-10-13 09:14:35,437 INFO L226 Difference]: Without dead ends: 696 [2020-10-13 09:14:35,450 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 [2020-10-13 09:14:35,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-10-13 09:14:35,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 692. [2020-10-13 09:14:35,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2020-10-13 09:14:35,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1014 transitions. [2020-10-13 09:14:35,561 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1014 transitions. Word has length 60 [2020-10-13 09:14:35,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:14:35,562 INFO L479 AbstractCegarLoop]: Abstraction has 692 states and 1014 transitions. [2020-10-13 09:14:35,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 09:14:35,562 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1014 transitions. [2020-10-13 09:14:35,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-13 09:14:35,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:14:35,570 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:14:35,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 09:14:35,571 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:14:35,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:14:35,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1900349384, now seen corresponding path program 1 times [2020-10-13 09:14:35,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:14:35,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529156990] [2020-10-13 09:14:35,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:14:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:35,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:35,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:36,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:36,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-13 09:14:36,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 09:14:36,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 987 [2020-10-13 09:14:36,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:36,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:14:36,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-13 09:14:36,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 09:14:36,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:14:36,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:14:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:36,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:36,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:36,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:14:36,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:14:36,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 09:14:36,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:14:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:14:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:14:36,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:14:36,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:14:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:36,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:36,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:36,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 09:14:36,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:14:36,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-13 09:14:36,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:36,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:14:36,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:14:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 09:14:36,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:14:36,846 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 09:14:36,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529156990] [2020-10-13 09:14:36,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:14:36,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:14:36,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319083969] [2020-10-13 09:14:36,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:14:36,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:14:36,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:14:36,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:14:36,851 INFO L87 Difference]: Start difference. First operand 692 states and 1014 transitions. Second operand 5 states. [2020-10-13 09:14:40,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:14:40,274 INFO L93 Difference]: Finished difference Result 2063 states and 3056 transitions. [2020-10-13 09:14:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:14:40,275 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-13 09:14:40,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:14:40,283 INFO L225 Difference]: With dead ends: 2063 [2020-10-13 09:14:40,284 INFO L226 Difference]: Without dead ends: 1377 [2020-10-13 09:14:40,286 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 [2020-10-13 09:14:40,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2020-10-13 09:14:40,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1373. [2020-10-13 09:14:40,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1373 states. [2020-10-13 09:14:40,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1805 transitions. [2020-10-13 09:14:40,337 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1805 transitions. Word has length 136 [2020-10-13 09:14:40,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:14:40,338 INFO L479 AbstractCegarLoop]: Abstraction has 1373 states and 1805 transitions. [2020-10-13 09:14:40,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:14:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1805 transitions. [2020-10-13 09:14:40,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-13 09:14:40,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:14:40,346 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 09:14:40,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 09:14:40,346 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:14:40,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:14:40,347 INFO L82 PathProgramCache]: Analyzing trace with hash -169259048, now seen corresponding path program 1 times [2020-10-13 09:14:40,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:14:40,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529838118] [2020-10-13 09:14:40,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:14:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:40,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:40,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:40,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:41,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:41,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:41,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:44,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:44,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-13 09:14:44,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 09:14:44,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3905 [2020-10-13 09:14:44,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 09:14:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-10-13 09:14:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-13 09:14:44,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:14:44,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:14:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:44,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:44,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:44,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:14:44,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:14:44,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 09:14:44,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:14:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:14:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:14:44,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 09:14:44,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:14:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:44,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:44,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:44,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 09:14:44,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:14:44,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 09:14:44,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:14:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:14:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:14:44,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:14:44,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 09:14:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:44,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:44,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:44,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 09:14:44,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:14:44,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 09:14:44,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:14:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:14:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 09:14:44,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:14:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 09:14:44,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529838118] [2020-10-13 09:14:44,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:14:44,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 09:14:44,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008086746] [2020-10-13 09:14:44,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 09:14:44,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:14:44,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 09:14:44,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 09:14:44,811 INFO L87 Difference]: Start difference. First operand 1373 states and 1805 transitions. Second operand 8 states. [2020-10-13 09:14:47,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:14:47,557 INFO L93 Difference]: Finished difference Result 2828 states and 3716 transitions. [2020-10-13 09:14:47,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 09:14:47,559 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2020-10-13 09:14:47,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:14:47,568 INFO L225 Difference]: With dead ends: 2828 [2020-10-13 09:14:47,568 INFO L226 Difference]: Without dead ends: 1377 [2020-10-13 09:14:47,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:14:47,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2020-10-13 09:14:47,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1373. [2020-10-13 09:14:47,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1373 states. [2020-10-13 09:14:47,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1801 transitions. [2020-10-13 09:14:47,625 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1801 transitions. Word has length 223 [2020-10-13 09:14:47,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:14:47,631 INFO L479 AbstractCegarLoop]: Abstraction has 1373 states and 1801 transitions. [2020-10-13 09:14:47,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 09:14:47,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1801 transitions. [2020-10-13 09:14:47,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-13 09:14:47,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:14:47,638 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 09:14:47,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 09:14:47,639 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:14:47,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:14:47,639 INFO L82 PathProgramCache]: Analyzing trace with hash 396142693, now seen corresponding path program 1 times [2020-10-13 09:14:47,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:14:47,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592696781] [2020-10-13 09:14:47,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:14:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:47,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:47,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:48,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:48,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:48,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:49,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:49,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-13 09:14:49,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:14:49,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2179 [2020-10-13 09:14:49,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:49,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:14:49,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-10-13 09:14:49,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 09:14:49,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:14:49,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:14:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:49,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:49,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:49,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:14:49,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:14:49,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 09:14:49,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:14:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:14:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:14:49,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:14:49,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:14:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:49,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:49,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:49,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 09:14:49,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:14:49,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 09:14:49,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:14:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:14:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:14:49,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:14:50,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 09:14:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:50,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:50,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:50,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 09:14:50,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:14:50,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 09:14:50,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:50,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:14:50,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:14:50,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 09:14:50,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:14:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-13 09:14:50,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592696781] [2020-10-13 09:14:50,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:14:50,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:14:50,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574604573] [2020-10-13 09:14:50,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:14:50,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:14:50,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:14:50,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:14:50,163 INFO L87 Difference]: Start difference. First operand 1373 states and 1801 transitions. Second operand 5 states. [2020-10-13 09:14:53,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:14:53,850 INFO L93 Difference]: Finished difference Result 3428 states and 4658 transitions. [2020-10-13 09:14:53,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:14:53,851 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 234 [2020-10-13 09:14:53,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:14:53,862 INFO L225 Difference]: With dead ends: 3428 [2020-10-13 09:14:53,863 INFO L226 Difference]: Without dead ends: 2061 [2020-10-13 09:14:53,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 09:14:53,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2061 states. [2020-10-13 09:14:53,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2061 to 2054. [2020-10-13 09:14:53,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2054 states. [2020-10-13 09:14:53,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2685 transitions. [2020-10-13 09:14:53,922 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2685 transitions. Word has length 234 [2020-10-13 09:14:53,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:14:53,923 INFO L479 AbstractCegarLoop]: Abstraction has 2054 states and 2685 transitions. [2020-10-13 09:14:53,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:14:53,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2685 transitions. [2020-10-13 09:14:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-13 09:14:53,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:14:53,928 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 09:14:53,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 09:14:53,929 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:14:53,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:14:53,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1764021941, now seen corresponding path program 1 times [2020-10-13 09:14:53,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:14:53,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400050976] [2020-10-13 09:14:53,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:14:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:54,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:54,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:54,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:54,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:55,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:56,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:56,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-13 09:14:56,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:14:56,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2962 [2020-10-13 09:14:56,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:56,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:14:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 210 [2020-10-13 09:14:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 09:14:56,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:14:57,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:14:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:57,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:57,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:57,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:14:57,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:14:57,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 09:14:57,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:57,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:14:57,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:14:57,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:14:57,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 09:14:57,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:14:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:57,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:57,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:57,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 09:14:57,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:14:57,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 09:14:57,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:14:57,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:14:57,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:14:57,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:14:57,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 09:14:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:14:57,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:14:57,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:14:57,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 09:14:57,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:14:57,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 09:14:57,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:14:57,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:14:57,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:14:57,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-13 09:14:57,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:14:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-13 09:14:57,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400050976] [2020-10-13 09:14:57,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:14:57,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:14:57,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028572457] [2020-10-13 09:14:57,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:14:57,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:14:57,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:14:57,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:14:57,312 INFO L87 Difference]: Start difference. First operand 2054 states and 2685 transitions. Second operand 5 states. [2020-10-13 09:15:00,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:15:00,300 INFO L93 Difference]: Finished difference Result 4123 states and 5403 transitions. [2020-10-13 09:15:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:15:00,305 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 258 [2020-10-13 09:15:00,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:15:00,317 INFO L225 Difference]: With dead ends: 4123 [2020-10-13 09:15:00,317 INFO L226 Difference]: Without dead ends: 2061 [2020-10-13 09:15:00,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 09:15:00,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2061 states. [2020-10-13 09:15:00,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2061 to 2054. [2020-10-13 09:15:00,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2054 states. [2020-10-13 09:15:00,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2681 transitions. [2020-10-13 09:15:00,376 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2681 transitions. Word has length 258 [2020-10-13 09:15:00,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:15:00,377 INFO L479 AbstractCegarLoop]: Abstraction has 2054 states and 2681 transitions. [2020-10-13 09:15:00,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:15:00,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2681 transitions. [2020-10-13 09:15:00,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-10-13 09:15:00,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:15:00,383 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 09:15:00,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 09:15:00,384 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:15:00,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:15:00,384 INFO L82 PathProgramCache]: Analyzing trace with hash -992616840, now seen corresponding path program 1 times [2020-10-13 09:15:00,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:15:00,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593397552] [2020-10-13 09:15:00,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:15:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:00,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:00,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:01,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:01,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:02,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:02,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-13 09:15:02,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 09:15:02,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1949 [2020-10-13 09:15:02,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:15:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-13 09:15:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 09:15:02,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:02,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:15:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:02,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:02,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:02,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:15:02,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:02,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:15:02,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:02,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:02,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:15:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:02,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:02,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:02,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 09:15:02,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:02,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 09:15:02,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:02,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:02,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:02,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:02,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:02,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 09:15:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:02,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:02,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:02,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 09:15:02,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:02,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-13 09:15:02,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:02,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:15:02,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:02,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-13 09:15:02,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:15:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-13 09:15:02,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593397552] [2020-10-13 09:15:02,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:15:02,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 09:15:02,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868089779] [2020-10-13 09:15:02,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 09:15:02,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:15:02,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 09:15:02,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 09:15:02,813 INFO L87 Difference]: Start difference. First operand 2054 states and 2681 transitions. Second operand 6 states. [2020-10-13 09:15:07,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:15:07,953 INFO L93 Difference]: Finished difference Result 6155 states and 8421 transitions. [2020-10-13 09:15:07,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 09:15:07,954 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 271 [2020-10-13 09:15:07,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:15:07,978 INFO L225 Difference]: With dead ends: 6155 [2020-10-13 09:15:07,978 INFO L226 Difference]: Without dead ends: 4107 [2020-10-13 09:15:07,985 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 [2020-10-13 09:15:07,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2020-10-13 09:15:08,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 4103. [2020-10-13 09:15:08,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4103 states. [2020-10-13 09:15:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 4103 states and 5304 transitions. [2020-10-13 09:15:08,103 INFO L78 Accepts]: Start accepts. Automaton has 4103 states and 5304 transitions. Word has length 271 [2020-10-13 09:15:08,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:15:08,104 INFO L479 AbstractCegarLoop]: Abstraction has 4103 states and 5304 transitions. [2020-10-13 09:15:08,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 09:15:08,104 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 5304 transitions. [2020-10-13 09:15:08,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2020-10-13 09:15:08,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:15:08,113 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:15:08,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 09:15:08,114 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:15:08,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:15:08,114 INFO L82 PathProgramCache]: Analyzing trace with hash -474320683, now seen corresponding path program 1 times [2020-10-13 09:15:08,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:15:08,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335377142] [2020-10-13 09:15:08,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:15:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:08,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:08,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:08,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:08,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:08,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:09,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:11,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:13,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:13,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-13 09:15:13,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 09:15:13,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 09:15:13,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:13,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:15:13,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 275 [2020-10-13 09:15:13,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 09:15:13,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:13,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:15:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:13,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:13,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:13,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:15:13,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:13,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:15:13,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:13,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:13,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:15:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:13,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:13,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 09:15:13,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:13,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 09:15:13,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:13,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:13,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:13,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:13,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:13,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 09:15:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:13,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:13,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:13,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 09:15:13,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:13,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 09:15:13,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:13,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:13,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:13,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:13,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:13,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-13 09:15:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:13,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:13,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:13,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-13 09:15:13,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:13,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 09:15:13,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:13,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:15:13,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:13,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 09:15:13,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:15:13,643 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 162 proven. 3 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2020-10-13 09:15:13,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335377142] [2020-10-13 09:15:13,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:15:13,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:15:13,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865975991] [2020-10-13 09:15:13,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:15:13,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:15:13,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:15:13,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:15:13,649 INFO L87 Difference]: Start difference. First operand 4103 states and 5304 transitions. Second operand 5 states. [2020-10-13 09:15:16,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:15:16,356 INFO L93 Difference]: Finished difference Result 8212 states and 10637 transitions. [2020-10-13 09:15:16,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:15:16,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 321 [2020-10-13 09:15:16,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:15:16,376 INFO L225 Difference]: With dead ends: 8212 [2020-10-13 09:15:16,376 INFO L226 Difference]: Without dead ends: 4107 [2020-10-13 09:15:16,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 09:15:16,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2020-10-13 09:15:16,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 4103. [2020-10-13 09:15:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4103 states. [2020-10-13 09:15:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 4103 states and 5300 transitions. [2020-10-13 09:15:16,518 INFO L78 Accepts]: Start accepts. Automaton has 4103 states and 5300 transitions. Word has length 321 [2020-10-13 09:15:16,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:15:16,519 INFO L479 AbstractCegarLoop]: Abstraction has 4103 states and 5300 transitions. [2020-10-13 09:15:16,519 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:15:16,519 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 5300 transitions. [2020-10-13 09:15:16,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-10-13 09:15:16,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:15:16,535 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 09:15:16,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 09:15:16,536 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:15:16,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:15:16,536 INFO L82 PathProgramCache]: Analyzing trace with hash 134306364, now seen corresponding path program 1 times [2020-10-13 09:15:16,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:15:16,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132389302] [2020-10-13 09:15:16,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:15:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:16,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:16,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:16,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:17,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:19,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:20,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:20,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-10-13 09:15:20,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:15:20,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4018 [2020-10-13 09:15:20,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:20,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:15:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 301 [2020-10-13 09:15:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 09:15:20,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:20,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:15:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:20,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:20,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:20,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:15:20,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 09:15:20,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:20,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:20,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:20,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:20,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:15:20,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:15:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:20,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:20,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:20,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 09:15:20,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:20,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 09:15:20,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:20,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:20,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:20,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:20,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:15:20,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 09:15:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:20,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:20,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:20,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-13 09:15:20,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:20,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-13 09:15:20,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:20,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:15:20,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:20,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-10-13 09:15:20,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:21,158 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-13 09:15:21,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132389302] [2020-10-13 09:15:21,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:15:21,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:15:21,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965748199] [2020-10-13 09:15:21,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:15:21,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:15:21,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:15:21,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:15:21,161 INFO L87 Difference]: Start difference. First operand 4103 states and 5300 transitions. Second operand 5 states. [2020-10-13 09:15:23,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:15:23,691 INFO L93 Difference]: Finished difference Result 8224 states and 10645 transitions. [2020-10-13 09:15:23,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:15:23,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 349 [2020-10-13 09:15:23,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:15:23,710 INFO L225 Difference]: With dead ends: 8224 [2020-10-13 09:15:23,710 INFO L226 Difference]: Without dead ends: 4107 [2020-10-13 09:15:23,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 09:15:23,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2020-10-13 09:15:23,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 4103. [2020-10-13 09:15:23,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4103 states. [2020-10-13 09:15:23,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 4103 states and 5292 transitions. [2020-10-13 09:15:23,814 INFO L78 Accepts]: Start accepts. Automaton has 4103 states and 5292 transitions. Word has length 349 [2020-10-13 09:15:23,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:15:23,814 INFO L479 AbstractCegarLoop]: Abstraction has 4103 states and 5292 transitions. [2020-10-13 09:15:23,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:15:23,815 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 5292 transitions. [2020-10-13 09:15:23,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-10-13 09:15:23,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:15:23,826 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 09:15:23,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 09:15:23,826 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:15:23,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:15:23,827 INFO L82 PathProgramCache]: Analyzing trace with hash 968718040, now seen corresponding path program 1 times [2020-10-13 09:15:23,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:15:23,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444903297] [2020-10-13 09:15:23,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:15:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:23,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:24,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:24,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:24,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:25,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:27,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:27,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-10-13 09:15:27,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:15:27,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3496 [2020-10-13 09:15:27,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:27,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:15:27,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 303 [2020-10-13 09:15:27,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 09:15:27,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:27,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:15:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:27,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:27,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:27,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:15:27,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:27,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:15:27,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:27,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:27,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:27,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:15:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:27,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:27,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:27,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 09:15:27,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:27,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 09:15:27,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:27,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:27,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 09:15:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:27,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:27,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:27,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-13 09:15:27,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:27,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-13 09:15:27,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:15:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 195 [2020-10-13 09:15:27,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-13 09:15:27,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444903297] [2020-10-13 09:15:27,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:15:27,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:15:27,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267829394] [2020-10-13 09:15:27,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:15:27,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:15:27,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:15:27,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:15:27,864 INFO L87 Difference]: Start difference. First operand 4103 states and 5292 transitions. Second operand 5 states. [2020-10-13 09:15:30,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:15:30,540 INFO L93 Difference]: Finished difference Result 8216 states and 10621 transitions. [2020-10-13 09:15:30,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:15:30,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 351 [2020-10-13 09:15:30,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:15:30,561 INFO L225 Difference]: With dead ends: 8216 [2020-10-13 09:15:30,561 INFO L226 Difference]: Without dead ends: 4107 [2020-10-13 09:15:30,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 09:15:30,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2020-10-13 09:15:30,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 4103. [2020-10-13 09:15:30,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4103 states. [2020-10-13 09:15:30,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 4103 states and 5284 transitions. [2020-10-13 09:15:30,671 INFO L78 Accepts]: Start accepts. Automaton has 4103 states and 5284 transitions. Word has length 351 [2020-10-13 09:15:30,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:15:30,672 INFO L479 AbstractCegarLoop]: Abstraction has 4103 states and 5284 transitions. [2020-10-13 09:15:30,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:15:30,672 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 5284 transitions. [2020-10-13 09:15:30,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-10-13 09:15:30,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:15:30,687 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:15:30,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 09:15:30,687 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:15:30,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:15:30,688 INFO L82 PathProgramCache]: Analyzing trace with hash 900244089, now seen corresponding path program 1 times [2020-10-13 09:15:30,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:15:30,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2027068881] [2020-10-13 09:15:30,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:15:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:30,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:30,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:31,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:31,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:31,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:31,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:32,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:35,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:35,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 397 [2020-10-13 09:15:35,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 09:15:35,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 09:15:35,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:15:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 337 [2020-10-13 09:15:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 09:15:35,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:35,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:15:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:35,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:35,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:35,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:15:35,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:35,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:15:35,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:35,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:35,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:15:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:35,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:35,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:35,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 09:15:35,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:35,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 09:15:35,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:35,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:35,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:35,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:35,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:35,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 09:15:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:35,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:35,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:35,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 09:15:35,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:35,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 09:15:35,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:35,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:35,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:35,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-13 09:15:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:35,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:36,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:36,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-13 09:15:36,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:36,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 09:15:36,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:36,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:15:36,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:36,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-13 09:15:36,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:36,168 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 162 proven. 3 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-10-13 09:15:36,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2027068881] [2020-10-13 09:15:36,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:15:36,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:15:36,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799744489] [2020-10-13 09:15:36,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:15:36,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:15:36,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:15:36,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:15:36,170 INFO L87 Difference]: Start difference. First operand 4103 states and 5284 transitions. Second operand 5 states. [2020-10-13 09:15:38,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:15:38,521 INFO L93 Difference]: Finished difference Result 8213 states and 10598 transitions. [2020-10-13 09:15:38,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:15:38,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 383 [2020-10-13 09:15:38,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:15:38,550 INFO L225 Difference]: With dead ends: 8213 [2020-10-13 09:15:38,551 INFO L226 Difference]: Without dead ends: 4107 [2020-10-13 09:15:38,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 09:15:38,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2020-10-13 09:15:38,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 4103. [2020-10-13 09:15:38,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4103 states. [2020-10-13 09:15:38,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 4103 states and 5280 transitions. [2020-10-13 09:15:38,651 INFO L78 Accepts]: Start accepts. Automaton has 4103 states and 5280 transitions. Word has length 383 [2020-10-13 09:15:38,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:15:38,652 INFO L479 AbstractCegarLoop]: Abstraction has 4103 states and 5280 transitions. [2020-10-13 09:15:38,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:15:38,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 5280 transitions. [2020-10-13 09:15:38,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2020-10-13 09:15:38,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:15:38,663 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:15:38,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 09:15:38,664 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:15:38,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:15:38,664 INFO L82 PathProgramCache]: Analyzing trace with hash 661244144, now seen corresponding path program 1 times [2020-10-13 09:15:38,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:15:38,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079553437] [2020-10-13 09:15:38,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:15:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:38,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:38,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:39,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:39,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:39,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:39,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:41,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:42,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:42,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:43,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:43,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 408 [2020-10-13 09:15:43,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 09:15:43,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 09:15:43,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:43,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:15:43,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 348 [2020-10-13 09:15:43,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 09:15:43,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:43,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:15:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:43,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:43,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:43,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:15:43,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:43,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:15:43,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:43,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:43,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:43,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:43,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:15:43,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:15:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:43,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:43,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:43,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 09:15:43,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:43,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 09:15:43,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:43,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:43,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 09:15:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:43,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:43,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:43,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 09:15:43,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:43,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 09:15:43,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:43,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:43,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:43,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-13 09:15:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:43,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:44,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:44,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 09:15:44,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:44,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 09:15:44,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:15:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-13 09:15:44,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 162 proven. 3 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-10-13 09:15:44,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079553437] [2020-10-13 09:15:44,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:15:44,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:15:44,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188481955] [2020-10-13 09:15:44,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:15:44,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:15:44,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:15:44,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:15:44,164 INFO L87 Difference]: Start difference. First operand 4103 states and 5280 transitions. Second operand 5 states. [2020-10-13 09:15:46,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:15:46,499 INFO L93 Difference]: Finished difference Result 8228 states and 10605 transitions. [2020-10-13 09:15:46,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:15:46,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 394 [2020-10-13 09:15:46,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:15:46,515 INFO L225 Difference]: With dead ends: 8228 [2020-10-13 09:15:46,515 INFO L226 Difference]: Without dead ends: 4107 [2020-10-13 09:15:46,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 09:15:46,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2020-10-13 09:15:46,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 4103. [2020-10-13 09:15:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4103 states. [2020-10-13 09:15:46,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 4103 states and 5276 transitions. [2020-10-13 09:15:46,619 INFO L78 Accepts]: Start accepts. Automaton has 4103 states and 5276 transitions. Word has length 394 [2020-10-13 09:15:46,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:15:46,621 INFO L479 AbstractCegarLoop]: Abstraction has 4103 states and 5276 transitions. [2020-10-13 09:15:46,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:15:46,621 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 5276 transitions. [2020-10-13 09:15:46,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-10-13 09:15:46,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:15:46,631 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:15:46,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 09:15:46,632 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:15:46,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:15:46,633 INFO L82 PathProgramCache]: Analyzing trace with hash -198214651, now seen corresponding path program 1 times [2020-10-13 09:15:46,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:15:46,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362362669] [2020-10-13 09:15:46,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:15:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:46,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:46,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:47,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:48,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:48,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:49,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:49,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 422 [2020-10-13 09:15:49,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:15:49,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2724 [2020-10-13 09:15:49,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:15:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 362 [2020-10-13 09:15:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 09:15:49,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:49,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:15:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:49,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:49,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:49,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:15:49,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:49,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 09:15:49,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:49,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:49,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:49,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:49,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:49,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:15:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:49,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:49,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:49,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 09:15:49,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:49,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 09:15:49,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:49,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:49,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:49,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:49,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:49,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 09:15:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:49,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:49,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:49,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-13 09:15:49,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:49,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-13 09:15:49,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:15:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 254 [2020-10-13 09:15:49,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-13 09:15:49,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362362669] [2020-10-13 09:15:49,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:15:49,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:15:49,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413660793] [2020-10-13 09:15:49,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:15:49,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:15:49,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:15:49,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:15:49,958 INFO L87 Difference]: Start difference. First operand 4103 states and 5276 transitions. Second operand 5 states. [2020-10-13 09:15:52,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:15:52,817 INFO L93 Difference]: Finished difference Result 8225 states and 10594 transitions. [2020-10-13 09:15:52,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:15:52,822 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 410 [2020-10-13 09:15:52,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:15:52,837 INFO L225 Difference]: With dead ends: 8225 [2020-10-13 09:15:52,837 INFO L226 Difference]: Without dead ends: 4107 [2020-10-13 09:15:52,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 09:15:52,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2020-10-13 09:15:52,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 4103. [2020-10-13 09:15:52,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4103 states. [2020-10-13 09:15:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 4103 states and 5264 transitions. [2020-10-13 09:15:52,922 INFO L78 Accepts]: Start accepts. Automaton has 4103 states and 5264 transitions. Word has length 410 [2020-10-13 09:15:52,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:15:52,922 INFO L479 AbstractCegarLoop]: Abstraction has 4103 states and 5264 transitions. [2020-10-13 09:15:52,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:15:52,923 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 5264 transitions. [2020-10-13 09:15:52,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2020-10-13 09:15:52,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:15:52,937 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:15:52,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 09:15:52,938 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:15:52,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:15:52,939 INFO L82 PathProgramCache]: Analyzing trace with hash 988925129, now seen corresponding path program 1 times [2020-10-13 09:15:52,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:15:52,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [135462385] [2020-10-13 09:15:52,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:15:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:53,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:53,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:53,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:53,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:53,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:55,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:55,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:58,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:58,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 555 [2020-10-13 09:15:58,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 09:15:58,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 09:15:58,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:15:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-13 09:15:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 09:15:58,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:58,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:15:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:58,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:58,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:58,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:15:58,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:58,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:15:58,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:58,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:58,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:58,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:58,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:58,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:15:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:58,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:58,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:58,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 09:15:58,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:58,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 09:15:58,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:58,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:15:58,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:58,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-13 09:15:58,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:58,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 09:15:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:58,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:58,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:58,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:58,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 09:15:58,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 09:15:58,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 09:15:58,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:58,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:15:58,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:15:58,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 09:15:58,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:58,534 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-10-13 09:15:58,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-13 09:15:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:58,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:58,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:58,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 308 [2020-10-13 09:15:58,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:58,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 09:15:58,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 305 [2020-10-13 09:15:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:58,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:58,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:15:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:15:58,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:15:58,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:15:58,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 09:15:58,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:15:58,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 09:15:58,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:15:58,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:15:58,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:15:58,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:15:58,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:15:59,235 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 243 proven. 82 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-13 09:15:59,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [135462385] [2020-10-13 09:15:59,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:15:59,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:15:59,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601235217] [2020-10-13 09:15:59,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:15:59,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:15:59,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:15:59,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:15:59,238 INFO L87 Difference]: Start difference. First operand 4103 states and 5264 transitions. Second operand 7 states. [2020-10-13 09:16:03,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:16:03,313 INFO L93 Difference]: Finished difference Result 8360 states and 10819 transitions. [2020-10-13 09:16:03,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 09:16:03,316 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 539 [2020-10-13 09:16:03,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:16:03,329 INFO L225 Difference]: With dead ends: 8360 [2020-10-13 09:16:03,329 INFO L226 Difference]: Without dead ends: 4190 [2020-10-13 09:16:03,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:16:03,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4190 states. [2020-10-13 09:16:03,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4190 to 4114. [2020-10-13 09:16:03,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4114 states. [2020-10-13 09:16:03,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4114 states to 4114 states and 5041 transitions. [2020-10-13 09:16:03,430 INFO L78 Accepts]: Start accepts. Automaton has 4114 states and 5041 transitions. Word has length 539 [2020-10-13 09:16:03,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:16:03,431 INFO L479 AbstractCegarLoop]: Abstraction has 4114 states and 5041 transitions. [2020-10-13 09:16:03,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:16:03,431 INFO L276 IsEmpty]: Start isEmpty. Operand 4114 states and 5041 transitions. [2020-10-13 09:16:03,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2020-10-13 09:16:03,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:16:03,450 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:16:03,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 09:16:03,450 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:16:03,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:16:03,451 INFO L82 PathProgramCache]: Analyzing trace with hash -728412064, now seen corresponding path program 1 times [2020-10-13 09:16:03,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:16:03,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280208448] [2020-10-13 09:16:03,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:16:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:03,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:03,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:04,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:05,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:05,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:06,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:06,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:06,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:08,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:08,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 630 [2020-10-13 09:16:08,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 09:16:08,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-10-13 09:16:08,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:08,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:16:08,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 567 [2020-10-13 09:16:08,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 09:16:08,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:08,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:16:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:08,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:08,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:08,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:16:08,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:08,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:16:08,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:08,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:08,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:08,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:08,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:16:08,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:16:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:08,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:08,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:08,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 09:16:08,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:08,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 09:16:08,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:08,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:16:08,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-13 09:16:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:08,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:08,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:08,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 09:16:08,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:08,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 09:16:08,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:08,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:08,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 09:16:08,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-13 09:16:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:09,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:09,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:09,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 308 [2020-10-13 09:16:09,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:09,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 401 [2020-10-13 09:16:09,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:16:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 299 [2020-10-13 09:16:09,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:16:09,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:16:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:09,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:09,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:09,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 09:16:09,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:09,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 09:16:09,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:09,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:16:09,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:09,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 09:16:09,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:16:09,908 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 162 proven. 3 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2020-10-13 09:16:09,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280208448] [2020-10-13 09:16:09,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:16:09,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 09:16:09,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629588813] [2020-10-13 09:16:09,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 09:16:09,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:16:09,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 09:16:09,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 09:16:09,911 INFO L87 Difference]: Start difference. First operand 4114 states and 5041 transitions. Second operand 5 states. [2020-10-13 09:16:13,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:16:13,232 INFO L93 Difference]: Finished difference Result 11976 states and 14935 transitions. [2020-10-13 09:16:13,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 09:16:13,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 614 [2020-10-13 09:16:13,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:16:13,257 INFO L225 Difference]: With dead ends: 11976 [2020-10-13 09:16:13,258 INFO L226 Difference]: Without dead ends: 7868 [2020-10-13 09:16:13,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 09:16:13,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7868 states. [2020-10-13 09:16:13,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7868 to 7525. [2020-10-13 09:16:13,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7525 states. [2020-10-13 09:16:13,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7525 states to 7525 states and 9407 transitions. [2020-10-13 09:16:13,427 INFO L78 Accepts]: Start accepts. Automaton has 7525 states and 9407 transitions. Word has length 614 [2020-10-13 09:16:13,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:16:13,428 INFO L479 AbstractCegarLoop]: Abstraction has 7525 states and 9407 transitions. [2020-10-13 09:16:13,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 09:16:13,428 INFO L276 IsEmpty]: Start isEmpty. Operand 7525 states and 9407 transitions. [2020-10-13 09:16:13,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2020-10-13 09:16:13,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:16:13,452 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:16:13,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 09:16:13,453 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:16:13,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:16:13,453 INFO L82 PathProgramCache]: Analyzing trace with hash 554426564, now seen corresponding path program 1 times [2020-10-13 09:16:13,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:16:13,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [69543136] [2020-10-13 09:16:13,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:16:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:13,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:13,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:14,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:16,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:17,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:17,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:18,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:18,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 648 [2020-10-13 09:16:18,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 09:16:18,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 09:16:18,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:16:18,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-13 09:16:18,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 09:16:18,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:18,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:16:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:18,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:18,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:18,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:16:18,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:18,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 09:16:18,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:18,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:18,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:18,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:18,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:18,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:16:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:18,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:18,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:18,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 09:16:18,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:18,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-13 09:16:18,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:16:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-13 09:16:18,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:18,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-13 09:16:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:18,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:18,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:18,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:18,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 09:16:18,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 09:16:18,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 09:16:18,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:18,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:16:18,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:16:18,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 09:16:18,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:18,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-13 09:16:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:18,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:19,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:19,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-13 09:16:19,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:19,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-13 09:16:19,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:19,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:19,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-13 09:16:19,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:19,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:19,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:16:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:19,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:19,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:19,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 09:16:19,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:19,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 09:16:19,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:19,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 243 proven. 82 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2020-10-13 09:16:19,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [69543136] [2020-10-13 09:16:19,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:16:19,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:16:19,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492386451] [2020-10-13 09:16:19,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:16:19,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:16:19,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:16:19,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:16:19,276 INFO L87 Difference]: Start difference. First operand 7525 states and 9407 transitions. Second operand 7 states. [2020-10-13 09:16:22,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:16:22,497 INFO L93 Difference]: Finished difference Result 15346 states and 20288 transitions. [2020-10-13 09:16:22,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 09:16:22,498 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 632 [2020-10-13 09:16:22,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:16:22,537 INFO L225 Difference]: With dead ends: 15346 [2020-10-13 09:16:22,537 INFO L226 Difference]: Without dead ends: 7747 [2020-10-13 09:16:22,551 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 09:16:22,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7747 states. [2020-10-13 09:16:22,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7747 to 7537. [2020-10-13 09:16:22,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7537 states. [2020-10-13 09:16:22,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7537 states to 7537 states and 8902 transitions. [2020-10-13 09:16:22,776 INFO L78 Accepts]: Start accepts. Automaton has 7537 states and 8902 transitions. Word has length 632 [2020-10-13 09:16:22,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:16:22,777 INFO L479 AbstractCegarLoop]: Abstraction has 7537 states and 8902 transitions. [2020-10-13 09:16:22,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:16:22,777 INFO L276 IsEmpty]: Start isEmpty. Operand 7537 states and 8902 transitions. [2020-10-13 09:16:22,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2020-10-13 09:16:22,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:16:22,799 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 09:16:22,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 09:16:22,804 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:16:22,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:16:22,805 INFO L82 PathProgramCache]: Analyzing trace with hash -75999778, now seen corresponding path program 1 times [2020-10-13 09:16:22,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:16:22,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316085574] [2020-10-13 09:16:22,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:16:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:22,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:23,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:23,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:27,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:27,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:27,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:27,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 745 [2020-10-13 09:16:27,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:16:27,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-10-13 09:16:27,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:27,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 09:16:27,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 09:16:27,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-13 09:16:27,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:27,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:16:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:27,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:27,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:27,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:16:27,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:27,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:16:27,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:27,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:16:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 09:16:27,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:27,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:16:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:28,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:28,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:28,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-13 09:16:28,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:28,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 09:16:28,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:28,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:16:28,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:16:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 09:16:28,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:28,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 09:16:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:28,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:28,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:28,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 09:16:28,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:28,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 09:16:28,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:28,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:28,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-13 09:16:28,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:28,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:28,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-13 09:16:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:28,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:28,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:28,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:16:28,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:28,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 09:16:28,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:28,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:28,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-13 09:16:28,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:28,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:28,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-10-13 09:16:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:28,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:28,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:28,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-13 09:16:28,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:28,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-13 09:16:28,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:28,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:28,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-13 09:16:28,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:28,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:28,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:16:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:28,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:28,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:28,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 09:16:28,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:28,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 09:16:28,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:28,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:28,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:28,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:28,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 212 proven. 285 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2020-10-13 09:16:28,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316085574] [2020-10-13 09:16:28,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:16:28,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:16:28,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655326013] [2020-10-13 09:16:28,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:16:28,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:16:28,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:16:28,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:16:28,696 INFO L87 Difference]: Start difference. First operand 7537 states and 8902 transitions. Second operand 7 states. [2020-10-13 09:16:33,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:16:33,220 INFO L93 Difference]: Finished difference Result 20897 states and 24981 transitions. [2020-10-13 09:16:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 09:16:33,222 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 727 [2020-10-13 09:16:33,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:16:33,248 INFO L225 Difference]: With dead ends: 20897 [2020-10-13 09:16:33,249 INFO L226 Difference]: Without dead ends: 13366 [2020-10-13 09:16:33,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:16:33,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13366 states. [2020-10-13 09:16:33,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13366 to 12686. [2020-10-13 09:16:33,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12686 states. [2020-10-13 09:16:33,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12686 states to 12686 states and 14999 transitions. [2020-10-13 09:16:33,489 INFO L78 Accepts]: Start accepts. Automaton has 12686 states and 14999 transitions. Word has length 727 [2020-10-13 09:16:33,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:16:33,490 INFO L479 AbstractCegarLoop]: Abstraction has 12686 states and 14999 transitions. [2020-10-13 09:16:33,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:16:33,490 INFO L276 IsEmpty]: Start isEmpty. Operand 12686 states and 14999 transitions. [2020-10-13 09:16:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2020-10-13 09:16:33,522 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:16:33,523 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 09:16:33,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 09:16:33,523 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:16:33,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:16:33,524 INFO L82 PathProgramCache]: Analyzing trace with hash -157753440, now seen corresponding path program 1 times [2020-10-13 09:16:33,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:16:33,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1600224906] [2020-10-13 09:16:33,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:16:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:33,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:33,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:33,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:35,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:35,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:38,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:38,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 746 [2020-10-13 09:16:38,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:16:38,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-13 09:16:38,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 09:16:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 274 [2020-10-13 09:16:38,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-13 09:16:38,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:38,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:16:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:38,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:38,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:38,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:16:38,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:38,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 09:16:38,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:38,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:16:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:38,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:39,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:39,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-13 09:16:39,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:39,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-13 09:16:39,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:16:39,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:39,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-10-13 09:16:39,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:39,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-10-13 09:16:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:39,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:39,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:39,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:39,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 09:16:39,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 09:16:39,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-13 09:16:39,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:39,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:16:39,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:16:39,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 09:16:39,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:39,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-10-13 09:16:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:39,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:39,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:39,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-13 09:16:39,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:39,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-13 09:16:39,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-13 09:16:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:39,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:39,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:16:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:39,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:39,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:39,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 09:16:39,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:39,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 09:16:39,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:39,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:39,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:39,760 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 243 proven. 82 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-13 09:16:39,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1600224906] [2020-10-13 09:16:39,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:16:39,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:16:39,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738137206] [2020-10-13 09:16:39,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:16:39,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:16:39,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:16:39,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:16:39,762 INFO L87 Difference]: Start difference. First operand 12686 states and 14999 transitions. Second operand 7 states. [2020-10-13 09:16:43,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:16:43,496 INFO L93 Difference]: Finished difference Result 25075 states and 29836 transitions. [2020-10-13 09:16:43,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 09:16:43,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 730 [2020-10-13 09:16:43,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:16:43,515 INFO L225 Difference]: With dead ends: 25075 [2020-10-13 09:16:43,515 INFO L226 Difference]: Without dead ends: 11338 [2020-10-13 09:16:43,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:16:43,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11338 states. [2020-10-13 09:16:43,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11338 to 11300. [2020-10-13 09:16:43,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11300 states. [2020-10-13 09:16:43,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11300 states to 11300 states and 13090 transitions. [2020-10-13 09:16:43,717 INFO L78 Accepts]: Start accepts. Automaton has 11300 states and 13090 transitions. Word has length 730 [2020-10-13 09:16:43,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:16:43,717 INFO L479 AbstractCegarLoop]: Abstraction has 11300 states and 13090 transitions. [2020-10-13 09:16:43,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:16:43,717 INFO L276 IsEmpty]: Start isEmpty. Operand 11300 states and 13090 transitions. [2020-10-13 09:16:43,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2020-10-13 09:16:43,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:16:43,740 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 09:16:43,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 09:16:43,741 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:16:43,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:16:43,741 INFO L82 PathProgramCache]: Analyzing trace with hash -156726511, now seen corresponding path program 1 times [2020-10-13 09:16:43,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:16:43,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136659539] [2020-10-13 09:16:43,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:16:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:44,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:44,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:44,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:48,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:48,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 763 [2020-10-13 09:16:48,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 09:16:48,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 09:16:48,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:48,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:16:48,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-13 09:16:48,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-13 09:16:48,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:49,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:16:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:49,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:49,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:49,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:16:49,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:49,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 09:16:49,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:49,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:49,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:16:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:49,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:49,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:49,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-13 09:16:49,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:49,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-13 09:16:49,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:49,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:16:49,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:49,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-13 09:16:49,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:49,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-13 09:16:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:49,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:49,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:49,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 09:16:49,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:49,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 09:16:49,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:16:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:16:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-13 09:16:49,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:49,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-13 09:16:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:49,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:49,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:49,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-13 09:16:49,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:49,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-13 09:16:49,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-13 09:16:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:49,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:49,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:16:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:49,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:49,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:49,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 09:16:49,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:49,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 09:16:49,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:49,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:49,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:49,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:49,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 275 proven. 114 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2020-10-13 09:16:49,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136659539] [2020-10-13 09:16:49,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:16:49,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:16:49,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15906754] [2020-10-13 09:16:49,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:16:49,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:16:49,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:16:49,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:16:49,957 INFO L87 Difference]: Start difference. First operand 11300 states and 13090 transitions. Second operand 7 states. [2020-10-13 09:16:53,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:16:53,569 INFO L93 Difference]: Finished difference Result 25335 states and 29645 transitions. [2020-10-13 09:16:53,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 09:16:53,570 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 747 [2020-10-13 09:16:53,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:16:53,601 INFO L225 Difference]: With dead ends: 25335 [2020-10-13 09:16:53,602 INFO L226 Difference]: Without dead ends: 14378 [2020-10-13 09:16:53,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 09:16:53,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14378 states. [2020-10-13 09:16:53,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14378 to 14033. [2020-10-13 09:16:53,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14033 states. [2020-10-13 09:16:53,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14033 states to 14033 states and 15957 transitions. [2020-10-13 09:16:53,822 INFO L78 Accepts]: Start accepts. Automaton has 14033 states and 15957 transitions. Word has length 747 [2020-10-13 09:16:53,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:16:53,823 INFO L479 AbstractCegarLoop]: Abstraction has 14033 states and 15957 transitions. [2020-10-13 09:16:53,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:16:53,823 INFO L276 IsEmpty]: Start isEmpty. Operand 14033 states and 15957 transitions. [2020-10-13 09:16:53,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 847 [2020-10-13 09:16:53,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:16:53,848 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, 5, 5, 5, 5, 5, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 09:16:53,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 09:16:53,849 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:16:53,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:16:53,849 INFO L82 PathProgramCache]: Analyzing trace with hash -771723577, now seen corresponding path program 1 times [2020-10-13 09:16:53,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:16:53,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836528903] [2020-10-13 09:16:53,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:16:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:54,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:54,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:54,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:54,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:58,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:59,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:59,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 864 [2020-10-13 09:16:59,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 09:16:59,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-13 09:16:59,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:59,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:16:59,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-13 09:16:59,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-13 09:16:59,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:59,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:16:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:59,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:59,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:59,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:16:59,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:59,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:16:59,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:59,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:59,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:16:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:59,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:59,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:59,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-13 09:16:59,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:59,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-13 09:16:59,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:59,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:16:59,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:59,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-13 09:16:59,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:59,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-13 09:16:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:59,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:59,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:59,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 09:16:59,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:59,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 09:16:59,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:59,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:16:59,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:16:59,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 09:16:59,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:59,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2020-10-13 09:16:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:59,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:59,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:59,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 09:16:59,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:59,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 09:16:59,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:59,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-13 09:16:59,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:59,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:59,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2020-10-13 09:16:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:59,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:59,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:59,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-13 09:16:59,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:59,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-13 09:16:59,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-13 09:16:59,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:59,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:16:59,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:16:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:16:59,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:16:59,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:16:59,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 09:16:59,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:16:59,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 09:16:59,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:16:59,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:16:59,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:16:59,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:16:59,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:17:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 287 proven. 136 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2020-10-13 09:17:00,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836528903] [2020-10-13 09:17:00,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:17:00,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:17:00,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339627393] [2020-10-13 09:17:00,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:17:00,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:17:00,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:17:00,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:17:00,071 INFO L87 Difference]: Start difference. First operand 14033 states and 15957 transitions. Second operand 7 states. [2020-10-13 09:17:05,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:17:05,491 INFO L93 Difference]: Finished difference Result 30296 states and 35382 transitions. [2020-10-13 09:17:05,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 09:17:05,492 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 846 [2020-10-13 09:17:05,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:17:05,540 INFO L225 Difference]: With dead ends: 30296 [2020-10-13 09:17:05,540 INFO L226 Difference]: Without dead ends: 16606 [2020-10-13 09:17:05,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-13 09:17:05,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16606 states. [2020-10-13 09:17:05,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16606 to 15746. [2020-10-13 09:17:05,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15746 states. [2020-10-13 09:17:05,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15746 states to 15746 states and 17809 transitions. [2020-10-13 09:17:05,880 INFO L78 Accepts]: Start accepts. Automaton has 15746 states and 17809 transitions. Word has length 846 [2020-10-13 09:17:05,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:17:05,880 INFO L479 AbstractCegarLoop]: Abstraction has 15746 states and 17809 transitions. [2020-10-13 09:17:05,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:17:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand 15746 states and 17809 transitions. [2020-10-13 09:17:06,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 872 [2020-10-13 09:17:06,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:17:06,030 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 09:17:06,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 09:17:06,031 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:17:06,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:17:06,031 INFO L82 PathProgramCache]: Analyzing trace with hash 241521438, now seen corresponding path program 1 times [2020-10-13 09:17:06,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:17:06,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [442369931] [2020-10-13 09:17:06,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:17:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:17:06,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:06,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:06,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:07,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:09,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:10,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:11,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:17:11,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 889 [2020-10-13 09:17:11,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 09:17:11,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 09:17:11,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:17:11,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:17:11,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-13 09:17:11,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-13 09:17:11,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:17:11,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:17:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:17:11,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:11,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:17:11,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:17:11,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:17:11,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 09:17:11,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:17:11,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:17:11,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:17:11,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:17:11,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:17:11,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:17:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:17:11,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:11,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:17:11,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-13 09:17:11,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:17:11,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-13 09:17:11,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:17:11,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:17:11,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:17:11,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-13 09:17:11,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:17:11,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-13 09:17:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:17:11,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:11,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:17:11,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 09:17:11,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:17:11,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 09:17:11,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:17:11,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:17:11,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:17:11,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 09:17:11,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:17:11,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-10-13 09:17:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:17:11,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:11,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:17:11,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 09:17:11,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:17:11,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 09:17:11,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:17:11,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:17:11,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-13 09:17:11,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:17:11,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:17:11,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2020-10-13 09:17:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:17:11,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:11,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:17:11,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-13 09:17:11,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:17:11,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-13 09:17:11,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:17:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:17:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-13 09:17:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:17:11,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:17:11,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:17:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:17:11,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:11,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:17:11,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 09:17:11,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:17:11,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 09:17:11,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:17:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:17:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:17:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:17:11,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:17:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 312 proven. 186 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2020-10-13 09:17:12,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [442369931] [2020-10-13 09:17:12,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:17:12,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 09:17:12,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516770829] [2020-10-13 09:17:12,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 09:17:12,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:17:12,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 09:17:12,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 09:17:12,392 INFO L87 Difference]: Start difference. First operand 15746 states and 17809 transitions. Second operand 7 states. [2020-10-13 09:17:16,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:17:16,277 INFO L93 Difference]: Finished difference Result 32851 states and 37249 transitions. [2020-10-13 09:17:16,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 09:17:16,278 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 871 [2020-10-13 09:17:16,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:17:16,320 INFO L225 Difference]: With dead ends: 32851 [2020-10-13 09:17:16,320 INFO L226 Difference]: Without dead ends: 17801 [2020-10-13 09:17:16,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-13 09:17:16,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17801 states. [2020-10-13 09:17:16,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17801 to 17793. [2020-10-13 09:17:16,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17793 states. [2020-10-13 09:17:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17793 states to 17793 states and 19983 transitions. [2020-10-13 09:17:16,570 INFO L78 Accepts]: Start accepts. Automaton has 17793 states and 19983 transitions. Word has length 871 [2020-10-13 09:17:16,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:17:16,571 INFO L479 AbstractCegarLoop]: Abstraction has 17793 states and 19983 transitions. [2020-10-13 09:17:16,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 09:17:16,571 INFO L276 IsEmpty]: Start isEmpty. Operand 17793 states and 19983 transitions. [2020-10-13 09:17:16,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2020-10-13 09:17:16,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 09:17:16,587 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-10-13 09:17:16,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 09:17:16,587 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 09:17:16,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 09:17:16,587 INFO L82 PathProgramCache]: Analyzing trace with hash 95420058, now seen corresponding path program 1 times [2020-10-13 09:17:16,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 09:17:16,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [699632909] [2020-10-13 09:17:16,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 09:17:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:17:16,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:16,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:17,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:21,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:17:21,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 947 [2020-10-13 09:17:21,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 09:17:21,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-13 09:17:21,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:17:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:17:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 414 [2020-10-13 09:17:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-13 09:17:21,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:17:21,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 09:17:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:17:21,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:21,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:17:21,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 09:17:21,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:17:21,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 09:17:21,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:17:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:17:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:17:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:17:21,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:17:21,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 09:17:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:17:21,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:21,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:17:21,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-13 09:17:21,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:17:21,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 09:17:21,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:17:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:17:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:17:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:17:21,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:17:22,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-13 09:17:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:17:22,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:22,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:17:22,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-13 09:17:22,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:17:22,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-13 09:17:22,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:17:22,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 09:17:22,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:17:22,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-13 09:17:22,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 09:17:22,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-10-13 09:17:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:17:22,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:22,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:17:22,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 09:17:22,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:17:22,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-13 09:17:22,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:17:22,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 09:17:22,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 09:17:22,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-13 09:17:22,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:17:22,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-10-13 09:17:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:17:22,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:22,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:17:22,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-13 09:17:22,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:17:22,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-13 09:17:22,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:17:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:17:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-13 09:17:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:17:22,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:17:22,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 09:17:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 09:17:22,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 09:17:22,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 09:17:22,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 09:17:22,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 09:17:22,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 09:17:22,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 09:17:22,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 09:17:22,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 09:17:22,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 09:17:22,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 09:17:23,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 507 proven. 143 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2020-10-13 09:17:23,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [699632909] [2020-10-13 09:17:23,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 09:17:23,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 09:17:23,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649214341] [2020-10-13 09:17:23,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 09:17:23,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 09:17:23,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 09:17:23,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 09:17:23,405 INFO L87 Difference]: Start difference. First operand 17793 states and 19983 transitions. Second operand 8 states. [2020-10-13 09:17:28,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 09:17:28,145 INFO L93 Difference]: Finished difference Result 40307 states and 45760 transitions. [2020-10-13 09:17:28,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 09:17:28,150 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 929 [2020-10-13 09:17:28,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 09:17:28,151 INFO L225 Difference]: With dead ends: 40307 [2020-10-13 09:17:28,151 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 09:17:28,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-13 09:17:28,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 09:17:28,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 09:17:28,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 09:17:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 09:17:28,196 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 929 [2020-10-13 09:17:28,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 09:17:28,197 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 09:17:28,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 09:17:28,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 09:17:28,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 09:17:28,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 09:17:28,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 09:17:29,709 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 492 DAG size of output: 267 [2020-10-13 09:17:31,447 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 267 [2020-10-13 09:17:32,479 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 256 DAG size of output: 57 [2020-10-13 09:17:33,725 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 276 DAG size of output: 56 [2020-10-13 09:17:35,105 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 381 DAG size of output: 69 [2020-10-13 09:17:36,498 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 345 DAG size of output: 115 [2020-10-13 09:17:37,520 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 57 [2020-10-13 09:17:37,525 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 09:17:37,526 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a18~0 |old(~a18~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-13 09:17:37,526 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 09:17:37,526 INFO L268 CegarLoopResult]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,526 INFO L268 CegarLoopResult]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2020-10-13 09:17:37,527 INFO L268 CegarLoopResult]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,527 INFO L268 CegarLoopResult]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,527 INFO L268 CegarLoopResult]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,527 INFO L268 CegarLoopResult]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,527 INFO L268 CegarLoopResult]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,528 INFO L268 CegarLoopResult]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,528 INFO L268 CegarLoopResult]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,528 INFO L268 CegarLoopResult]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,528 INFO L268 CegarLoopResult]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,528 INFO L268 CegarLoopResult]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,528 INFO L268 CegarLoopResult]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,528 INFO L268 CegarLoopResult]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,528 INFO L268 CegarLoopResult]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,528 INFO L268 CegarLoopResult]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,528 INFO L268 CegarLoopResult]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,528 INFO L268 CegarLoopResult]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,529 INFO L268 CegarLoopResult]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,529 INFO L268 CegarLoopResult]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,529 INFO L268 CegarLoopResult]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,529 INFO L268 CegarLoopResult]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,529 INFO L268 CegarLoopResult]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,529 INFO L268 CegarLoopResult]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,529 INFO L268 CegarLoopResult]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,529 INFO L268 CegarLoopResult]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,529 INFO L268 CegarLoopResult]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,529 INFO L268 CegarLoopResult]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,529 INFO L268 CegarLoopResult]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,530 INFO L264 CegarLoopResult]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse0 (and (= ~a18~0 |old(~a18~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|))) (.cse1 (not (<= (+ |old(~a18~0)| 87) 0))) (.cse2 (not (<= 4 |old(~a15~0)|)))) (and (or .cse0 (= 8 |old(~a16~0)|)) (or .cse0 (not (= 7 |old(~a12~0)|)) .cse1 (not (<= 0 (+ |old(~a18~0)| 151)))) (or .cse0 (and (not (<= 6 |old(~a12~0)|)) (not (<= |old(~a15~0)| 2)) (not (<= 0 (+ |old(~a18~0)| 155))) (not (<= |old(~a12~0)| 4))) (not (<= |old(~a12~0)| 6))) (or .cse0 .cse2 (not (<= 0 (+ |old(~a18~0)| 78)))) (or .cse0 .cse1 .cse2))) [2020-10-13 09:17:37,530 INFO L268 CegarLoopResult]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,530 INFO L268 CegarLoopResult]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,530 INFO L268 CegarLoopResult]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,530 INFO L268 CegarLoopResult]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,530 INFO L268 CegarLoopResult]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,530 INFO L268 CegarLoopResult]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,530 INFO L268 CegarLoopResult]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,530 INFO L268 CegarLoopResult]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2020-10-13 09:17:37,531 INFO L268 CegarLoopResult]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,531 INFO L268 CegarLoopResult]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,531 INFO L268 CegarLoopResult]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,531 INFO L268 CegarLoopResult]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,531 INFO L268 CegarLoopResult]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,531 INFO L268 CegarLoopResult]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,531 INFO L268 CegarLoopResult]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,531 INFO L268 CegarLoopResult]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,531 INFO L268 CegarLoopResult]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2020-10-13 09:17:37,531 INFO L268 CegarLoopResult]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,532 INFO L268 CegarLoopResult]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,532 INFO L268 CegarLoopResult]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,532 INFO L268 CegarLoopResult]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,532 INFO L268 CegarLoopResult]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,532 INFO L268 CegarLoopResult]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,532 INFO L268 CegarLoopResult]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,532 INFO L268 CegarLoopResult]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,532 INFO L268 CegarLoopResult]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,532 INFO L268 CegarLoopResult]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,532 INFO L268 CegarLoopResult]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,532 INFO L268 CegarLoopResult]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,533 INFO L268 CegarLoopResult]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,533 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 09:17:37,533 INFO L268 CegarLoopResult]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,533 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 09:17:37,533 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 09:17:37,533 INFO L264 CegarLoopResult]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse1 (= 8 |old(~a16~0)|)) (.cse6 (<= 4 |old(~a15~0)|))) (let ((.cse5 (<= 6 |old(~a12~0)|)) (.cse7 (not (<= |old(~a12~0)| 6))) (.cse4 (not (= 7 |old(~a12~0)|))) (.cse10 (not (<= (+ |old(~a18~0)| 87) 0))) (.cse9 (not (= 9 |old(~a12~0)|))) (.cse0 (and (= ~a18~0 |old(~a18~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|))) (.cse11 (not .cse6)) (.cse2 (not (= 3 |old(~a15~0)|))) (.cse3 (not (= 6 |old(~a12~0)|))) (.cse8 (not .cse1))) (and (or .cse0 .cse1) (or .cse2 .cse3 (not (= 10 |old(~a16~0)|))) (or .cse4 .cse2 (not (= 9 |old(~a16~0)|)) (not (<= (+ |old(~a18~0)| 156) 0))) (or (<= |old(~a12~0)| 4) .cse5 (<= 9 |old(~a16~0)|) (<= 0 (+ |old(~a18~0)| 155)) .cse6 (<= |old(~a16~0)| 7) (<= |old(~a15~0)| 2)) (or (not .cse5) (not (<= |old(~a15~0)| 3)) (not (<= |old(~a16~0)| 8)) (not (<= 92050 |old(~a18~0)|)) .cse7 (not (<= 3 |old(~a15~0)|)) (not (<= 8 |old(~a16~0)|))) (or .cse2 .cse8 .cse9 (not (<= 135 |old(~a18~0)|))) (or (not (= 8 |old(~a12~0)|)) .cse2 (not (<= 567606 |old(~a18~0)|)) .cse8) (or .cse0 .cse7) (or .cse2 (not (<= |old(~a18~0)| 59)) (not (<= 0 (+ |old(~a18~0)| 17))) .cse3 .cse8) (or .cse0 .cse10 .cse11) (or .cse0 .cse4 .cse10 (not (<= 0 (+ |old(~a18~0)| 151)))) (or (not (<= (+ |old(~a18~0)| 493874) 0)) .cse2 .cse8 .cse9) (or .cse0 .cse11 (not (<= 0 (+ |old(~a18~0)| 78)))) (or (not (<= (+ |old(~a18~0)| 36644) 0)) .cse2 .cse3 .cse8)))) [2020-10-13 09:17:37,533 INFO L268 CegarLoopResult]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,533 INFO L268 CegarLoopResult]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2020-10-13 09:17:37,533 INFO L268 CegarLoopResult]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,533 INFO L268 CegarLoopResult]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,533 INFO L268 CegarLoopResult]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,534 INFO L268 CegarLoopResult]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,534 INFO L268 CegarLoopResult]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,534 INFO L268 CegarLoopResult]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,534 INFO L268 CegarLoopResult]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,534 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 09:17:37,534 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 09:17:37,534 INFO L268 CegarLoopResult]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,534 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 09:17:37,534 INFO L268 CegarLoopResult]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,534 INFO L268 CegarLoopResult]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,534 INFO L268 CegarLoopResult]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,534 INFO L268 CegarLoopResult]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,534 INFO L268 CegarLoopResult]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,535 INFO L268 CegarLoopResult]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,535 INFO L268 CegarLoopResult]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,535 INFO L268 CegarLoopResult]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,535 INFO L268 CegarLoopResult]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,535 INFO L268 CegarLoopResult]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,535 INFO L268 CegarLoopResult]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,535 INFO L268 CegarLoopResult]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,535 INFO L268 CegarLoopResult]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,535 INFO L268 CegarLoopResult]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,536 INFO L268 CegarLoopResult]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,536 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 09:17:37,536 INFO L268 CegarLoopResult]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,536 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 09:17:37,536 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 09:17:37,536 INFO L268 CegarLoopResult]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,536 INFO L268 CegarLoopResult]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,536 INFO L268 CegarLoopResult]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,536 INFO L268 CegarLoopResult]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,536 INFO L268 CegarLoopResult]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,536 INFO L268 CegarLoopResult]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,537 INFO L268 CegarLoopResult]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,537 INFO L268 CegarLoopResult]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,537 INFO L268 CegarLoopResult]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,537 INFO L268 CegarLoopResult]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,537 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 09:17:37,537 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 09:17:37,537 INFO L268 CegarLoopResult]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,537 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 09:17:37,537 INFO L268 CegarLoopResult]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,537 INFO L268 CegarLoopResult]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,538 INFO L268 CegarLoopResult]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,538 INFO L268 CegarLoopResult]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,538 INFO L268 CegarLoopResult]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,538 INFO L268 CegarLoopResult]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,538 INFO L268 CegarLoopResult]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,538 INFO L268 CegarLoopResult]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,538 INFO L268 CegarLoopResult]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,538 INFO L268 CegarLoopResult]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,538 INFO L268 CegarLoopResult]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,538 INFO L268 CegarLoopResult]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,539 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 09:17:37,539 INFO L268 CegarLoopResult]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,539 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 09:17:37,539 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 09:17:37,539 INFO L268 CegarLoopResult]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,539 INFO L268 CegarLoopResult]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,539 INFO L268 CegarLoopResult]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,539 INFO L268 CegarLoopResult]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,539 INFO L268 CegarLoopResult]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,539 INFO L268 CegarLoopResult]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,539 INFO L268 CegarLoopResult]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,540 INFO L268 CegarLoopResult]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,540 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,540 INFO L268 CegarLoopResult]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,540 INFO L268 CegarLoopResult]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,540 INFO L268 CegarLoopResult]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,540 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 09:17:37,540 INFO L268 CegarLoopResult]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,540 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 09:17:37,540 INFO L268 CegarLoopResult]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,541 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,542 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 09:17:37,543 INFO L268 CegarLoopResult]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,543 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 09:17:37,543 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 09:17:37,543 INFO L268 CegarLoopResult]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,543 INFO L268 CegarLoopResult]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,543 INFO L268 CegarLoopResult]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,543 INFO L268 CegarLoopResult]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,543 INFO L268 CegarLoopResult]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,543 INFO L268 CegarLoopResult]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,543 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse5 (= ~a15~0 3)) (.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= ~a16~0 |old(~a16~0)|)) (.cse9 (= ~a12~0 |old(~a12~0)|))) (let ((.cse2 (and .cse5 .cse6 .cse7 .cse9)) (.cse3 (not (= 3 |old(~a15~0)|))) (.cse4 (not (= 9 |old(~a12~0)|))) (.cse0 (and .cse6 .cse7 .cse9 (= ~a15~0 |old(~a15~0)|))) (.cse1 (not (<= (+ |old(~a18~0)| 87) 0))) (.cse8 (not (<= 4 |old(~a15~0)|)))) (and (or .cse0 (= 8 |old(~a16~0)|)) (or .cse0 (not (= 7 |old(~a12~0)|)) .cse1 (not (<= 0 (+ |old(~a18~0)| 151)))) (or .cse2 (not (<= (+ |old(~a18~0)| 493874) 0)) .cse3 .cse4) (or .cse0 (not (<= |old(~a12~0)| 6))) (or (not (= 8 |old(~a12~0)|)) .cse3 (not (<= 567606 |old(~a18~0)|)) (and .cse5 .cse6 (= ~a12~0 8) .cse7)) (or .cse2 .cse3 .cse4 (not (<= 135 |old(~a18~0)|))) (or .cse0 .cse8 (not (<= 0 (+ |old(~a18~0)| 78)))) (or .cse0 .cse1 .cse8)))) [2020-10-13 09:17:37,543 INFO L268 CegarLoopResult]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,543 INFO L268 CegarLoopResult]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,543 INFO L268 CegarLoopResult]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,544 INFO L268 CegarLoopResult]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,545 INFO L268 CegarLoopResult]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,546 INFO L268 CegarLoopResult]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,547 INFO L268 CegarLoopResult]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,547 INFO L268 CegarLoopResult]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,547 INFO L268 CegarLoopResult]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,547 INFO L268 CegarLoopResult]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,547 INFO L268 CegarLoopResult]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,547 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 09:17:37,547 INFO L268 CegarLoopResult]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,547 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 09:17:37,547 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 09:17:37,547 INFO L268 CegarLoopResult]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,547 INFO L268 CegarLoopResult]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,547 INFO L268 CegarLoopResult]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,547 INFO L268 CegarLoopResult]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,548 INFO L268 CegarLoopResult]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,548 INFO L268 CegarLoopResult]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,548 INFO L268 CegarLoopResult]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,548 INFO L268 CegarLoopResult]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,548 INFO L268 CegarLoopResult]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,548 INFO L268 CegarLoopResult]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,548 INFO L268 CegarLoopResult]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,548 INFO L268 CegarLoopResult]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,549 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-10-13 09:17:37,549 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 09:17:37,549 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 09:17:37,549 INFO L268 CegarLoopResult]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,549 INFO L268 CegarLoopResult]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,549 INFO L268 CegarLoopResult]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,549 INFO L268 CegarLoopResult]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,549 INFO L268 CegarLoopResult]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,549 INFO L268 CegarLoopResult]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,550 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2020-10-13 09:17:37,550 INFO L268 CegarLoopResult]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,550 INFO L268 CegarLoopResult]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,550 INFO L268 CegarLoopResult]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,550 INFO L268 CegarLoopResult]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,550 INFO L268 CegarLoopResult]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,550 INFO L268 CegarLoopResult]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,550 INFO L268 CegarLoopResult]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,550 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 09:17:37,551 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 09:17:37,551 INFO L268 CegarLoopResult]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,551 INFO L268 CegarLoopResult]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,551 INFO L268 CegarLoopResult]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,551 INFO L268 CegarLoopResult]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,551 INFO L268 CegarLoopResult]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,551 INFO L268 CegarLoopResult]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,551 INFO L268 CegarLoopResult]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,551 INFO L268 CegarLoopResult]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,552 INFO L268 CegarLoopResult]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,553 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,554 INFO L268 CegarLoopResult]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L24(lines 24 26) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,555 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,556 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,557 INFO L268 CegarLoopResult]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 09:17:37,558 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 09:17:37,559 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 09:17:37,559 INFO L268 CegarLoopResult]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,559 INFO L268 CegarLoopResult]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,559 INFO L268 CegarLoopResult]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2020-10-13 09:17:37,559 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 09:17:37,559 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (<= (+ ~a18~0 87) 0) (<= ~a12~0 5) (<= 0 (+ ~a18~0 151))) [2020-10-13 09:17:37,559 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 09:17:37,559 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 09:17:37,559 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 11 |old(~a16~0)|)) (and (= ~a18~0 |old(~a18~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= |old(~a12~0)| 5)) (not (<= (+ |old(~a18~0)| 87) 0)) (not (<= 0 (+ |old(~a18~0)| 151)))) [2020-10-13 09:17:37,559 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2020-10-13 09:17:37,559 INFO L264 CegarLoopResult]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse2 (= ~a12~0 9)) (.cse1 (= ~a15~0 3)) (.cse0 (<= (+ ~a18~0 87) 0)) (.cse3 (<= 4 ~a15~0))) (or (and (= 7 ~a12~0) .cse0 (<= 0 (+ ~a18~0 151))) (not (= 11 |old(~a16~0)|)) (not (<= |old(~a12~0)| 5)) (and (<= 567606 ~a18~0) .cse1 (= ~a12~0 8)) (<= ~a12~0 6) (not (<= (+ |old(~a18~0)| 87) 0)) (and .cse2 .cse1 (<= 135 ~a18~0)) (and .cse2 .cse1 (<= (+ ~a18~0 493874) 0)) (and .cse3 .cse0) (not (= ~a16~0 8)) (not (<= 0 (+ |old(~a18~0)| 151))) (and .cse3 (<= 0 (+ ~a18~0 78))))) [2020-10-13 09:17:37,559 INFO L268 CegarLoopResult]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2020-10-13 09:17:37,560 INFO L268 CegarLoopResult]: For program point L1778(line 1778) no Hoare annotation was computed. [2020-10-13 09:17:37,560 INFO L264 CegarLoopResult]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse2 (= ~a12~0 9)) (.cse1 (= ~a15~0 3)) (.cse0 (<= (+ ~a18~0 87) 0)) (.cse3 (<= 4 ~a15~0))) (or (and (= 7 ~a12~0) .cse0 (<= 0 (+ ~a18~0 151))) (not (= 11 |old(~a16~0)|)) (not (<= |old(~a12~0)| 5)) (and (<= 567606 ~a18~0) .cse1 (= ~a12~0 8)) (<= ~a12~0 6) (not (<= (+ |old(~a18~0)| 87) 0)) (and .cse2 .cse1 (<= 135 ~a18~0)) (and .cse2 .cse1 (<= (+ ~a18~0 493874) 0)) (and .cse3 .cse0) (not (= ~a16~0 8)) (not (<= 0 (+ |old(~a18~0)| 151))) (and .cse3 (<= 0 (+ ~a18~0 78))))) [2020-10-13 09:17:37,560 INFO L268 CegarLoopResult]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2020-10-13 09:17:37,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:17:37 BoogieIcfgContainer [2020-10-13 09:17:37,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 09:17:37,584 INFO L168 Benchmark]: Toolchain (without parser) took 190736.44 ms. Allocated memory was 143.1 MB in the beginning and 2.6 GB in the end (delta: 2.5 GB). Free memory was 101.1 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-13 09:17:37,584 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 09:17:37,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1144.55 ms. Allocated memory was 143.1 MB in the beginning and 207.6 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 133.3 MB in the end (delta: -32.5 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2020-10-13 09:17:37,586 INFO L168 Benchmark]: Boogie Preprocessor took 262.81 ms. Allocated memory is still 207.6 MB. Free memory was 133.3 MB in the beginning and 123.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-10-13 09:17:37,586 INFO L168 Benchmark]: RCFGBuilder took 2477.41 ms. Allocated memory was 207.6 MB in the beginning and 249.6 MB in the end (delta: 41.9 MB). Free memory was 123.0 MB in the beginning and 98.0 MB in the end (delta: 25.0 MB). Peak memory consumption was 69.9 MB. Max. memory is 7.1 GB. [2020-10-13 09:17:37,587 INFO L168 Benchmark]: TraceAbstraction took 186842.70 ms. Allocated memory was 249.6 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 98.0 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2020-10-13 09:17:37,590 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1144.55 ms. Allocated memory was 143.1 MB in the beginning and 207.6 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 133.3 MB in the end (delta: -32.5 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 262.81 ms. Allocated memory is still 207.6 MB. Free memory was 133.3 MB in the beginning and 123.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2477.41 ms. Allocated memory was 207.6 MB in the beginning and 249.6 MB in the end (delta: 41.9 MB). Free memory was 123.0 MB in the beginning and 98.0 MB in the end (delta: 25.0 MB). Peak memory consumption was 69.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 186842.70 ms. Allocated memory was 249.6 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 98.0 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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: 1773]: Loop Invariant Derived loop invariant: ((((((((((((7 == a12 && a18 + 87 <= 0) && 0 <= a18 + 151) || !(11 == \old(a16))) || !(\old(a12) <= 5)) || ((567606 <= a18 && a15 == 3) && a12 == 8)) || a12 <= 6) || !(\old(a18) + 87 <= 0)) || ((a12 == 9 && a15 == 3) && 135 <= a18)) || ((a12 == 9 && a15 == 3) && a18 + 493874 <= 0)) || (4 <= a15 && a18 + 87 <= 0)) || !(a16 == 8)) || !(0 <= \old(a18) + 151)) || (4 <= a15 && 0 <= a18 + 78) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 177.3s, OverallIterations: 21, TraceHistogramMax: 5, AutomataDifference: 74.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 793 SDtfs, 18968 SDslu, 782 SDs, 0 SdLazy, 39788 SolverSat, 3357 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 387 GetRequests, 244 SyntacticMatches, 4 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17793occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 21 MinimizatonAttempts, 2614 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1351 PreInvPairs, 1604 NumberOfFragments, 888 HoareAnnotationTreeSize, 1351 FomulaSimplifications, 153253956 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 40586 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 94.6s InterpolantComputationTime, 10025 NumberOfCodeBlocks, 10025 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 10004 ConstructedInterpolants, 0 QuantifiedInterpolants, 11251155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 1 PerfectInterpolantSequences, 8210/9347 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...