/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/Problem14_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:47:02,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:47:02,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:47:02,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:47:02,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:47:02,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:47:02,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:47:02,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:47:02,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:47:02,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:47:02,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:47:02,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:47:02,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:47:02,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:47:02,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:47:02,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:47:02,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:47:02,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:47:02,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:47:02,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:47:02,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:47:02,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:47:02,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:47:02,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:47:02,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:47:02,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:47:02,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:47:02,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:47:02,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:47:02,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:47:02,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:47:02,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:47:02,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:47:02,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:47:02,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:47:02,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:47:02,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:47:02,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:47:02,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:47:02,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:47:02,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:47:02,553 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 08:47:02,598 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:47:02,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:47:02,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:47:02,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:47:02,601 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:47:02,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:47:02,602 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:47:02,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:47:02,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:47:02,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:47:02,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:47:02,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:47:02,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:47:02,605 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:47:02,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:47:02,605 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:47:02,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:47:02,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:47:02,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:47:02,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:47:02,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:47:02,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:47:02,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:47:02,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:47:02,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:47:02,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:47:02,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:47:02,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:47:02,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:47:02,608 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 08:47:02,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:47:02,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:47:02,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:47:02,926 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:47:02,926 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:47:02,927 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label07.c [2020-10-13 08:47:02,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61979920f/f1612008cc6a4ba6a82e12e008708668/FLAG890b446f3 [2020-10-13 08:47:03,573 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:47:03,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label07.c [2020-10-13 08:47:03,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61979920f/f1612008cc6a4ba6a82e12e008708668/FLAG890b446f3 [2020-10-13 08:47:03,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61979920f/f1612008cc6a4ba6a82e12e008708668 [2020-10-13 08:47:03,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:47:03,859 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:47:03,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:47:03,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:47:03,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:47:03,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:47:03" (1/1) ... [2020-10-13 08:47:03,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:03, skipping insertion in model container [2020-10-13 08:47:03,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:47:03" (1/1) ... [2020-10-13 08:47:03,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:47:03,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:47:04,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:47:04,750 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:47:04,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:47:04,931 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:47:04,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:04 WrapperNode [2020-10-13 08:47:04,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:47:04,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:47:04,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:47:04,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:47:04,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:04" (1/1) ... [2020-10-13 08:47:04,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:04" (1/1) ... [2020-10-13 08:47:04,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:04" (1/1) ... [2020-10-13 08:47:04,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:04" (1/1) ... [2020-10-13 08:47:05,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:04" (1/1) ... [2020-10-13 08:47:05,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:04" (1/1) ... [2020-10-13 08:47:05,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:04" (1/1) ... [2020-10-13 08:47:05,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:47:05,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:47:05,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:47:05,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:47:05,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:04" (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 08:47:05,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:47:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:47:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:47:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:47:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:47:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:47:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:47:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:47:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:47:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:47:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:47:06,603 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:47:06,603 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:47:06,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:47:06 BoogieIcfgContainer [2020-10-13 08:47:06,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:47:06,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:47:06,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:47:06,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:47:06,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:47:03" (1/3) ... [2020-10-13 08:47:06,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbe44d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:47:06, skipping insertion in model container [2020-10-13 08:47:06,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:47:04" (2/3) ... [2020-10-13 08:47:06,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbe44d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:47:06, skipping insertion in model container [2020-10-13 08:47:06,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:47:06" (3/3) ... [2020-10-13 08:47:06,621 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label07.c [2020-10-13 08:47:06,633 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:47:06,642 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:47:06,661 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:47:06,691 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:47:06,691 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:47:06,692 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:47:06,692 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:47:06,692 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:47:06,692 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:47:06,692 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:47:06,693 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:47:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-13 08:47:06,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-13 08:47:06,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:06,730 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] [2020-10-13 08:47:06,731 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:06,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:06,738 INFO L82 PathProgramCache]: Analyzing trace with hash 844393866, now seen corresponding path program 1 times [2020-10-13 08:47:06,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:06,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921841013] [2020-10-13 08:47:06,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:06,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:07,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:07,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 08:47:07,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:07,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 461 [2020-10-13 08:47:07,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:07,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:47:07,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:47:07,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 08:47:07,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:47:07,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:07,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:07,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:07,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:07,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:07,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 08:47:07,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:07,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:07,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:07,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:47:07,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:07,577 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 08:47:07,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921841013] [2020-10-13 08:47:07,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:47:07,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:47:07,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882426096] [2020-10-13 08:47:07,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:47:07,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:07,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:47:07,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:47:07,616 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-13 08:47:09,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:09,249 INFO L93 Difference]: Finished difference Result 698 states and 1241 transitions. [2020-10-13 08:47:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:09,251 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-10-13 08:47:09,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:09,269 INFO L225 Difference]: With dead ends: 698 [2020-10-13 08:47:09,269 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:47:09,278 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 08:47:09,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:47:09,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2020-10-13 08:47:09,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-13 08:47:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 604 transitions. [2020-10-13 08:47:09,369 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 604 transitions. Word has length 53 [2020-10-13 08:47:09,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:09,369 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 604 transitions. [2020-10-13 08:47:09,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:47:09,370 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 604 transitions. [2020-10-13 08:47:09,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 08:47:09,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:09,376 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:09,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:47:09,376 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:09,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:09,377 INFO L82 PathProgramCache]: Analyzing trace with hash 206846753, now seen corresponding path program 1 times [2020-10-13 08:47:09,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:09,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160334484] [2020-10-13 08:47:09,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:09,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:09,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:10,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:10,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:10,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 08:47:10,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:47:10,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1141 [2020-10-13 08:47:10,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:10,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:10,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 08:47:10,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 08:47:10,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:10,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:10,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:10,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:10,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:10,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:10,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:10,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:10,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:10,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:10,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:10,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:10,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:10,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:10,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:10,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 08:47:10,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:10,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 08:47:10,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:10,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 08:47:10,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:10,841 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:10,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160334484] [2020-10-13 08:47:10,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:10,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:10,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383970729] [2020-10-13 08:47:10,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:10,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:10,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:10,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:10,846 INFO L87 Difference]: Start difference. First operand 374 states and 604 transitions. Second operand 5 states. [2020-10-13 08:47:11,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:11,980 INFO L93 Difference]: Finished difference Result 781 states and 1250 transitions. [2020-10-13 08:47:11,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:11,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-13 08:47:11,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:11,984 INFO L225 Difference]: With dead ends: 781 [2020-10-13 08:47:11,984 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:47:11,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:47:11,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:47:12,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2020-10-13 08:47:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-13 08:47:12,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 550 transitions. [2020-10-13 08:47:12,013 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 550 transitions. Word has length 122 [2020-10-13 08:47:12,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:12,014 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 550 transitions. [2020-10-13 08:47:12,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:12,014 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 550 transitions. [2020-10-13 08:47:12,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-13 08:47:12,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:12,017 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:12,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:47:12,017 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:12,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:12,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1672744890, now seen corresponding path program 1 times [2020-10-13 08:47:12,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:12,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [990934290] [2020-10-13 08:47:12,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:12,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:12,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:12,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:12,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:13,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:13,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 08:47:13,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:13,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 964 [2020-10-13 08:47:13,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 08:47:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 08:47:13,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:13,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:13,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:13,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:13,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:13,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:13,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:13,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:13,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:13,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:13,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:13,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:13,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:13,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:13,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:13,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:47:13,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:13,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 08:47:13,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:13,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 08:47:13,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:13,227 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:13,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [990934290] [2020-10-13 08:47:13,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:13,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:13,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032517382] [2020-10-13 08:47:13,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:13,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:13,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:13,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:13,232 INFO L87 Difference]: Start difference. First operand 374 states and 550 transitions. Second operand 5 states. [2020-10-13 08:47:14,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:14,168 INFO L93 Difference]: Finished difference Result 781 states and 1142 transitions. [2020-10-13 08:47:14,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:14,172 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-10-13 08:47:14,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:14,175 INFO L225 Difference]: With dead ends: 781 [2020-10-13 08:47:14,175 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:47:14,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:47:14,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:47:14,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2020-10-13 08:47:14,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-13 08:47:14,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 490 transitions. [2020-10-13 08:47:14,204 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 490 transitions. Word has length 123 [2020-10-13 08:47:14,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:14,205 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 490 transitions. [2020-10-13 08:47:14,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2020-10-13 08:47:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 08:47:14,207 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:14,208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:14,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:47:14,208 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:14,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:14,209 INFO L82 PathProgramCache]: Analyzing trace with hash -178267543, now seen corresponding path program 1 times [2020-10-13 08:47:14,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:14,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410662760] [2020-10-13 08:47:14,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:14,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:14,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:14,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:14,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-13 08:47:14,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:47:14,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 577 [2020-10-13 08:47:14,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:14,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:14,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:47:14,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 08:47:14,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:14,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:14,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:14,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:14,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:14,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:14,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:14,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:14,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:14,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:14,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:14,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:14,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:14,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:14,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:14,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:47:14,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:14,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 08:47:14,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:14,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:14,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:14,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:47:14,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:14,997 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:14,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1410662760] [2020-10-13 08:47:14,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:14,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:14,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870773436] [2020-10-13 08:47:15,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:15,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:15,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:15,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:15,002 INFO L87 Difference]: Start difference. First operand 374 states and 490 transitions. Second operand 5 states. [2020-10-13 08:47:16,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:16,270 INFO L93 Difference]: Finished difference Result 1116 states and 1483 transitions. [2020-10-13 08:47:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:16,276 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-10-13 08:47:16,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:16,280 INFO L225 Difference]: With dead ends: 1116 [2020-10-13 08:47:16,280 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:47:16,282 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 08:47:16,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:47:16,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 560. [2020-10-13 08:47:16,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:16,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 707 transitions. [2020-10-13 08:47:16,304 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 707 transitions. Word has length 126 [2020-10-13 08:47:16,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:16,304 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 707 transitions. [2020-10-13 08:47:16,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:16,305 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 707 transitions. [2020-10-13 08:47:16,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 08:47:16,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:16,307 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:16,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:47:16,308 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:16,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:16,308 INFO L82 PathProgramCache]: Analyzing trace with hash 2107261626, now seen corresponding path program 1 times [2020-10-13 08:47:16,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:16,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168388869] [2020-10-13 08:47:16,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:16,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:16,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:16,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:17,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:17,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:17,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:47:17,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:17,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 902 [2020-10-13 08:47:17,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:17,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:17,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-13 08:47:17,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 08:47:17,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:17,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:17,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:17,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:17,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:17,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:17,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:17,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:17,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:17,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:17,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:17,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:17,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:17,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 08:47:17,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:17,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 08:47:17,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:17,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:17,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:17,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 08:47:17,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:17,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168388869] [2020-10-13 08:47:17,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:17,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:17,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129443520] [2020-10-13 08:47:17,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:17,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:17,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:17,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:17,454 INFO L87 Difference]: Start difference. First operand 560 states and 707 transitions. Second operand 5 states. [2020-10-13 08:47:18,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:18,339 INFO L93 Difference]: Finished difference Result 1149 states and 1454 transitions. [2020-10-13 08:47:18,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:18,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-10-13 08:47:18,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:18,342 INFO L225 Difference]: With dead ends: 1149 [2020-10-13 08:47:18,345 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:18,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:47:18,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:18,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:18,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:18,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 705 transitions. [2020-10-13 08:47:18,376 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 705 transitions. Word has length 133 [2020-10-13 08:47:18,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:18,377 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 705 transitions. [2020-10-13 08:47:18,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:18,377 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 705 transitions. [2020-10-13 08:47:18,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-13 08:47:18,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:18,384 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:18,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:47:18,385 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:18,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:18,385 INFO L82 PathProgramCache]: Analyzing trace with hash -678591331, now seen corresponding path program 1 times [2020-10-13 08:47:18,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:18,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1973528681] [2020-10-13 08:47:18,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:18,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:18,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:18,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:19,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:19,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-13 08:47:19,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:47:19,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1140 [2020-10-13 08:47:19,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-13 08:47:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 08:47:19,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:19,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:19,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:19,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:19,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:19,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:19,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:19,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:19,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:19,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:19,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:19,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:19,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:19,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:19,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:19,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 08:47:19,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:19,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-13 08:47:19,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 08:47:19,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:19,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1973528681] [2020-10-13 08:47:19,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:19,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:19,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269218008] [2020-10-13 08:47:19,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:19,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:19,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:19,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:19,809 INFO L87 Difference]: Start difference. First operand 560 states and 705 transitions. Second operand 5 states. [2020-10-13 08:47:20,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:20,687 INFO L93 Difference]: Finished difference Result 1130 states and 1432 transitions. [2020-10-13 08:47:20,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:20,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-13 08:47:20,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:20,692 INFO L225 Difference]: With dead ends: 1130 [2020-10-13 08:47:20,692 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:47:20,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:47:20,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:47:20,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:47:20,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:47:20,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 702 transitions. [2020-10-13 08:47:20,720 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 702 transitions. Word has length 136 [2020-10-13 08:47:20,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:20,720 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 702 transitions. [2020-10-13 08:47:20,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:20,720 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 702 transitions. [2020-10-13 08:47:20,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-13 08:47:20,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:20,722 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:20,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:47:20,722 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:20,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:20,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1645922150, now seen corresponding path program 1 times [2020-10-13 08:47:20,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:20,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111633353] [2020-10-13 08:47:20,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:20,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:20,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:21,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:21,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-13 08:47:21,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:47:21,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 689 [2020-10-13 08:47:21,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-13 08:47:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 08:47:21,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:21,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:21,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:21,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:21,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:21,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:21,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:21,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:21,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:21,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:21,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:21,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:21,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:21,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:21,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 08:47:21,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:21,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 08:47:21,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:21,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:21,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:21,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-13 08:47:21,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:21,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111633353] [2020-10-13 08:47:21,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:21,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:21,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783652326] [2020-10-13 08:47:21,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:21,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:21,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:21,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:21,664 INFO L87 Difference]: Start difference. First operand 560 states and 702 transitions. Second operand 5 states. [2020-10-13 08:47:22,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:22,988 INFO L93 Difference]: Finished difference Result 1486 states and 1909 transitions. [2020-10-13 08:47:22,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:22,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-10-13 08:47:22,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:22,995 INFO L225 Difference]: With dead ends: 1486 [2020-10-13 08:47:22,996 INFO L226 Difference]: Without dead ends: 932 [2020-10-13 08:47:22,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:47:23,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2020-10-13 08:47:23,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 744. [2020-10-13 08:47:23,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:47:23,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 916 transitions. [2020-10-13 08:47:23,035 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 916 transitions. Word has length 139 [2020-10-13 08:47:23,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:23,035 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 916 transitions. [2020-10-13 08:47:23,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:23,035 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 916 transitions. [2020-10-13 08:47:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-13 08:47:23,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:23,038 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:23,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:47:23,038 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:23,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:23,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1984275474, now seen corresponding path program 1 times [2020-10-13 08:47:23,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:23,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2088521112] [2020-10-13 08:47:23,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:23,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:23,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:23,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:23,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:23,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-13 08:47:23,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:47:23,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 835 [2020-10-13 08:47:23,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-13 08:47:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 08:47:23,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:23,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:23,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:23,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:23,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:23,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:23,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:23,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:24,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:24,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:24,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:24,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:24,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:24,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:24,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:24,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-13 08:47:24,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:24,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 08:47:24,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:24,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:24,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:24,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 08:47:24,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:24,181 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:24,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2088521112] [2020-10-13 08:47:24,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:24,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:24,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373580390] [2020-10-13 08:47:24,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:24,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:24,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:24,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:24,184 INFO L87 Difference]: Start difference. First operand 744 states and 916 transitions. Second operand 5 states. [2020-10-13 08:47:25,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:25,015 INFO L93 Difference]: Finished difference Result 1501 states and 1858 transitions. [2020-10-13 08:47:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:25,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-10-13 08:47:25,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:25,020 INFO L225 Difference]: With dead ends: 1501 [2020-10-13 08:47:25,021 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:47:25,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:47:25,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:47:25,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:47:25,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:47:25,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 914 transitions. [2020-10-13 08:47:25,043 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 914 transitions. Word has length 145 [2020-10-13 08:47:25,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:25,044 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 914 transitions. [2020-10-13 08:47:25,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:25,044 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 914 transitions. [2020-10-13 08:47:25,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 08:47:25,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:25,046 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:25,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:47:25,047 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:25,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:25,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1937214730, now seen corresponding path program 1 times [2020-10-13 08:47:25,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:25,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1572121269] [2020-10-13 08:47:25,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:25,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:25,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:25,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:25,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:26,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:26,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-13 08:47:26,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:26,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 949 [2020-10-13 08:47:26,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:26,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:26,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-13 08:47:26,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:47:26,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:26,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:26,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:26,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:26,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:26,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:26,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:26,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:26,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:26,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:26,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:26,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:26,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:47:26,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:26,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-13 08:47:26,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:26,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:26,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:26,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 08:47:26,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:26,284 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:26,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1572121269] [2020-10-13 08:47:26,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:26,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:26,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90903134] [2020-10-13 08:47:26,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:26,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:26,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:26,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:26,294 INFO L87 Difference]: Start difference. First operand 744 states and 914 transitions. Second operand 5 states. [2020-10-13 08:47:27,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:27,442 INFO L93 Difference]: Finished difference Result 1511 states and 1865 transitions. [2020-10-13 08:47:27,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:27,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-10-13 08:47:27,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:27,449 INFO L225 Difference]: With dead ends: 1511 [2020-10-13 08:47:27,449 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:47:27,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:47:27,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:47:27,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:47:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:47:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 911 transitions. [2020-10-13 08:47:27,486 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 911 transitions. Word has length 147 [2020-10-13 08:47:27,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:27,487 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 911 transitions. [2020-10-13 08:47:27,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:27,487 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 911 transitions. [2020-10-13 08:47:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 08:47:27,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:27,491 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:27,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:47:27,491 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:27,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:27,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1589345859, now seen corresponding path program 1 times [2020-10-13 08:47:27,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:27,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827674442] [2020-10-13 08:47:27,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:27,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:27,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:27,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:28,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:28,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:28,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-13 08:47:28,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1049 [2020-10-13 08:47:28,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:28,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:28,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-13 08:47:28,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 08:47:28,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:28,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:28,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:28,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:28,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:28,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:28,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:47:28,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:28,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:28,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:28,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:28,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:28,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:28,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:28,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:28,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-13 08:47:28,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:28,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-13 08:47:28,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:28,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-13 08:47:28,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:28,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827674442] [2020-10-13 08:47:28,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:28,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:28,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905788504] [2020-10-13 08:47:28,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:28,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:28,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:28,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:28,880 INFO L87 Difference]: Start difference. First operand 744 states and 911 transitions. Second operand 5 states. [2020-10-13 08:47:29,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:29,686 INFO L93 Difference]: Finished difference Result 1509 states and 1857 transitions. [2020-10-13 08:47:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:29,687 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-10-13 08:47:29,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:29,691 INFO L225 Difference]: With dead ends: 1509 [2020-10-13 08:47:29,691 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:47:29,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:47:29,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:47:29,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:47:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:47:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 908 transitions. [2020-10-13 08:47:29,717 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 908 transitions. Word has length 152 [2020-10-13 08:47:29,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:29,718 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 908 transitions. [2020-10-13 08:47:29,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:29,718 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 908 transitions. [2020-10-13 08:47:29,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-13 08:47:29,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:29,720 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:29,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:47:29,721 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:29,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:29,721 INFO L82 PathProgramCache]: Analyzing trace with hash -572042071, now seen corresponding path program 1 times [2020-10-13 08:47:29,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:29,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1008864372] [2020-10-13 08:47:29,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:29,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:29,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:30,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:31,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:31,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-13 08:47:31,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:47:31,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1346 [2020-10-13 08:47:31,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:31,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:47:31,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-13 08:47:31,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 08:47:31,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:31,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:31,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:31,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:31,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:31,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:31,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:31,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:31,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:31,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:31,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:31,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:31,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:31,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:31,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:31,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-13 08:47:31,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:31,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 08:47:31,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:31,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:31,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:31,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 08:47:31,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:31,440 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:31,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1008864372] [2020-10-13 08:47:31,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:31,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:47:31,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808189780] [2020-10-13 08:47:31,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:47:31,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:31,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:47:31,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:47:31,444 INFO L87 Difference]: Start difference. First operand 744 states and 908 transitions. Second operand 8 states. [2020-10-13 08:47:32,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:32,378 INFO L93 Difference]: Finished difference Result 1536 states and 1887 transitions. [2020-10-13 08:47:32,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:47:32,386 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2020-10-13 08:47:32,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:32,391 INFO L225 Difference]: With dead ends: 1536 [2020-10-13 08:47:32,391 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:47:32,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:47:32,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:47:32,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:47:32,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:47:32,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 902 transitions. [2020-10-13 08:47:32,420 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 902 transitions. Word has length 158 [2020-10-13 08:47:32,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:32,420 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 902 transitions. [2020-10-13 08:47:32,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:47:32,420 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 902 transitions. [2020-10-13 08:47:32,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-13 08:47:32,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:32,423 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:32,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:47:32,423 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:32,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:32,424 INFO L82 PathProgramCache]: Analyzing trace with hash -2007969899, now seen corresponding path program 1 times [2020-10-13 08:47:32,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:32,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208397375] [2020-10-13 08:47:32,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:32,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:32,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:32,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:33,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:33,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 08:47:33,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:47:33,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 777 [2020-10-13 08:47:33,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:33,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:33,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-13 08:47:33,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 08:47:33,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:33,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:33,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:33,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:33,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:33,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:33,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:33,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:33,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:33,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:33,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:33,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:33,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 08:47:33,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:33,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 08:47:33,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:33,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:33,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:33,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-13 08:47:33,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:33,497 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:33,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208397375] [2020-10-13 08:47:33,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:33,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:33,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835503077] [2020-10-13 08:47:33,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:33,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:33,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:33,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:33,500 INFO L87 Difference]: Start difference. First operand 744 states and 902 transitions. Second operand 5 states. [2020-10-13 08:47:34,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:34,364 INFO L93 Difference]: Finished difference Result 1518 states and 1848 transitions. [2020-10-13 08:47:34,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:34,364 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2020-10-13 08:47:34,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:34,370 INFO L225 Difference]: With dead ends: 1518 [2020-10-13 08:47:34,370 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:47:34,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:47:34,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:47:34,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:47:34,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:47:34,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 899 transitions. [2020-10-13 08:47:34,397 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 899 transitions. Word has length 164 [2020-10-13 08:47:34,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:34,398 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 899 transitions. [2020-10-13 08:47:34,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:34,398 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 899 transitions. [2020-10-13 08:47:34,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-13 08:47:34,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:34,402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:34,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:47:34,403 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:34,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:34,403 INFO L82 PathProgramCache]: Analyzing trace with hash 2046807589, now seen corresponding path program 1 times [2020-10-13 08:47:34,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:34,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419025998] [2020-10-13 08:47:34,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:34,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:34,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:35,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:35,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-13 08:47:35,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:47:35,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-10-13 08:47:35,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:35,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:35,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-13 08:47:35,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 08:47:35,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:35,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:35,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:35,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:35,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:35,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:35,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:35,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:35,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:35,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:35,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:35,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:35,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:47:35,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:35,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-13 08:47:35,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:47:35,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:35,309 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:35,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419025998] [2020-10-13 08:47:35,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:35,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:35,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143451208] [2020-10-13 08:47:35,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:35,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:35,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:35,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:35,312 INFO L87 Difference]: Start difference. First operand 744 states and 899 transitions. Second operand 5 states. [2020-10-13 08:47:36,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:36,415 INFO L93 Difference]: Finished difference Result 2038 states and 2470 transitions. [2020-10-13 08:47:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:36,416 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2020-10-13 08:47:36,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:36,421 INFO L225 Difference]: With dead ends: 2038 [2020-10-13 08:47:36,421 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:47:36,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:47:36,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:47:36,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:47:36,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:47:36,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 879 transitions. [2020-10-13 08:47:36,444 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 879 transitions. Word has length 172 [2020-10-13 08:47:36,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:36,445 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 879 transitions. [2020-10-13 08:47:36,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:36,445 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 879 transitions. [2020-10-13 08:47:36,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-13 08:47:36,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:36,448 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:36,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:47:36,448 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:36,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:36,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1173485654, now seen corresponding path program 1 times [2020-10-13 08:47:36,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:36,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539678457] [2020-10-13 08:47:36,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:36,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:36,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:36,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:37,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:37,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-13 08:47:37,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:47:37,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 938 [2020-10-13 08:47:37,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:37,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:37,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-13 08:47:37,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 08:47:37,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:37,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:37,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:37,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:37,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:37,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:37,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:47:37,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:37,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:37,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:37,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:37,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:37,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:47:37,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:37,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-13 08:47:37,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 08:47:37,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:37,678 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:37,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539678457] [2020-10-13 08:47:37,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:37,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:37,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810157330] [2020-10-13 08:47:37,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:37,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:37,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:37,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:37,681 INFO L87 Difference]: Start difference. First operand 744 states and 879 transitions. Second operand 5 states. [2020-10-13 08:47:38,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:38,426 INFO L93 Difference]: Finished difference Result 1506 states and 1791 transitions. [2020-10-13 08:47:38,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:38,426 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 195 [2020-10-13 08:47:38,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:38,430 INFO L225 Difference]: With dead ends: 1506 [2020-10-13 08:47:38,431 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:47:38,433 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 08:47:38,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:47:38,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:47:38,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:47:38,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 875 transitions. [2020-10-13 08:47:38,453 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 875 transitions. Word has length 195 [2020-10-13 08:47:38,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:38,453 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 875 transitions. [2020-10-13 08:47:38,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:38,453 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 875 transitions. [2020-10-13 08:47:38,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 08:47:38,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:38,456 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:38,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 08:47:38,457 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:38,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:38,457 INFO L82 PathProgramCache]: Analyzing trace with hash 2031929445, now seen corresponding path program 1 times [2020-10-13 08:47:38,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:38,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017440287] [2020-10-13 08:47:38,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:38,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:38,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:39,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:39,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:39,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:39,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-13 08:47:39,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:47:39,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1272 [2020-10-13 08:47:39,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:39,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-13 08:47:39,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 08:47:39,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:39,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:39,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:39,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:39,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:39,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:39,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:39,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:39,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:39,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:39,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:39,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:40,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:40,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-13 08:47:40,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:40,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-13 08:47:40,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:40,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:40,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:40,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-13 08:47:40,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:40,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017440287] [2020-10-13 08:47:40,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:40,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:40,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705584212] [2020-10-13 08:47:40,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:40,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:40,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:40,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:40,270 INFO L87 Difference]: Start difference. First operand 744 states and 875 transitions. Second operand 5 states. [2020-10-13 08:47:41,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:41,089 INFO L93 Difference]: Finished difference Result 1496 states and 1771 transitions. [2020-10-13 08:47:41,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:41,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 204 [2020-10-13 08:47:41,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:41,094 INFO L225 Difference]: With dead ends: 1496 [2020-10-13 08:47:41,094 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:47:41,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:47:41,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:47:41,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:47:41,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:47:41,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 873 transitions. [2020-10-13 08:47:41,118 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 873 transitions. Word has length 204 [2020-10-13 08:47:41,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:41,118 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 873 transitions. [2020-10-13 08:47:41,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:41,118 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 873 transitions. [2020-10-13 08:47:41,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-13 08:47:41,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:41,122 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:41,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 08:47:41,122 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:41,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:41,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1105884151, now seen corresponding path program 1 times [2020-10-13 08:47:41,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:41,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521309011] [2020-10-13 08:47:41,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:41,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:41,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:41,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:41,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:41,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-13 08:47:41,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:47:41,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 789 [2020-10-13 08:47:41,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:41,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:41,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-10-13 08:47:41,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 08:47:41,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:42,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:42,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:42,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:42,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:42,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:42,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:47:42,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:42,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:42,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:42,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:42,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:42,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:42,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:42,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:42,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-13 08:47:42,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:42,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-13 08:47:42,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:42,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:42,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-13 08:47:42,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:42,480 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:42,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521309011] [2020-10-13 08:47:42,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:42,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:42,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877614760] [2020-10-13 08:47:42,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:42,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:42,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:42,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:42,485 INFO L87 Difference]: Start difference. First operand 744 states and 873 transitions. Second operand 5 states. [2020-10-13 08:47:43,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:43,304 INFO L93 Difference]: Finished difference Result 1516 states and 1788 transitions. [2020-10-13 08:47:43,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:43,305 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 206 [2020-10-13 08:47:43,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:43,309 INFO L225 Difference]: With dead ends: 1516 [2020-10-13 08:47:43,309 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:47:43,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:47:43,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:47:43,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2020-10-13 08:47:43,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-13 08:47:43,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 870 transitions. [2020-10-13 08:47:43,334 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 870 transitions. Word has length 206 [2020-10-13 08:47:43,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:43,335 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 870 transitions. [2020-10-13 08:47:43,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:43,335 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 870 transitions. [2020-10-13 08:47:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-13 08:47:43,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:47:43,339 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:43,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 08:47:43,339 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:47:43,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:47:43,339 INFO L82 PathProgramCache]: Analyzing trace with hash -736384543, now seen corresponding path program 1 times [2020-10-13 08:47:43,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:47:43,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468796599] [2020-10-13 08:47:43,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:47:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:43,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:43,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:44,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:45,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:45,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-13 08:47:45,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:47:45,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2259 [2020-10-13 08:47:45,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:45,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:47:45,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-10-13 08:47:45,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:47:45,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:45,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:47:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:45,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:45,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:45,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:47:45,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:45,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:47:45,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:47:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:45,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:47:45,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:47:45,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:47:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:47:45,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:47:45,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:47:45,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-13 08:47:45,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:47:45,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-13 08:47:45,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:47:45,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:47:45,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:47:45,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-13 08:47:45,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:47:46,041 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:47:46,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468796599] [2020-10-13 08:47:46,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:47:46,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:47:46,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010551742] [2020-10-13 08:47:46,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:47:46,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:47:46,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:47:46,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:47:46,052 INFO L87 Difference]: Start difference. First operand 744 states and 870 transitions. Second operand 5 states. [2020-10-13 08:47:46,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:47:46,787 INFO L93 Difference]: Finished difference Result 1311 states and 1530 transitions. [2020-10-13 08:47:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:47:46,787 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 218 [2020-10-13 08:47:46,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:47:46,788 INFO L225 Difference]: With dead ends: 1311 [2020-10-13 08:47:46,788 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:47:46,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:47:46,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:47:46,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:47:46,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:47:46,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:47:46,793 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218 [2020-10-13 08:47:46,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:47:46,793 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:47:46,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:47:46,793 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:47:46,793 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:47:46,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 08:47:46,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:47:47,074 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 67 [2020-10-13 08:47:47,211 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 67 [2020-10-13 08:47:48,043 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 114 [2020-10-13 08:47:48,274 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2020-10-13 08:47:48,486 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2020-10-13 08:47:48,490 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:47:48,491 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-13 08:47:48,491 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:47:48,491 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-13 08:47:48,491 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-13 08:47:48,491 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,491 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,491 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,492 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-13 08:47:48,492 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:47:48,492 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:47:48,492 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:47:48,492 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-13 08:47:48,492 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-13 08:47:48,492 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-13 08:47:48,492 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-13 08:47:48,493 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,493 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,493 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,493 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-13 08:47:48,493 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-13 08:47:48,493 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:47:48,493 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:47:48,493 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:47:48,493 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-13 08:47:48,493 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-13 08:47:48,494 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-13 08:47:48,494 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,494 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,494 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,494 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-13 08:47:48,494 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:47:48,494 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:47:48,494 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:47:48,495 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-13 08:47:48,495 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-13 08:47:48,495 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-13 08:47:48,495 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-13 08:47:48,495 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-13 08:47:48,495 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,495 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,495 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,495 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-13 08:47:48,496 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:47:48,496 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:47:48,496 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:47:48,496 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-13 08:47:48,496 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-13 08:47:48,496 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-13 08:47:48,496 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,496 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,496 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,497 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-13 08:47:48,497 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:47:48,497 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:47:48,497 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:47:48,497 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-13 08:47:48,497 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-13 08:47:48,497 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-13 08:47:48,497 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-13 08:47:48,498 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-13 08:47:48,498 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,498 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,498 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,498 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,498 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-13 08:47:48,498 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:47:48,498 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:47:48,499 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:47:48,499 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-13 08:47:48,499 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-13 08:47:48,499 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-13 08:47:48,499 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-13 08:47:48,499 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,499 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,499 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,499 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:47:48,500 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:47:48,500 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:47:48,500 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-13 08:47:48,500 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-13 08:47:48,500 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-13 08:47:48,500 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-13 08:47:48,500 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-13 08:47:48,500 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,501 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,501 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,501 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-13 08:47:48,501 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-13 08:47:48,501 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:47:48,501 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:47:48,501 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:47:48,501 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-13 08:47:48,502 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse7 (= 5 ~a15~0)) (.cse8 (= ~a24~0 1)) (.cse17 (= ~a21~0 9)) (.cse10 (= ~a24~0 |old(~a24~0)|)) (.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse9 (= ~a12~0 |old(~a12~0)|)) (.cse16 (= ~a15~0 |old(~a15~0)|))) (let ((.cse12 (not (= 8 |old(~a21~0)|))) (.cse14 (not (<= |old(~a12~0)| 80))) (.cse15 (= ~a21~0 8)) (.cse0 (and .cse10 .cse11 .cse9 .cse16)) (.cse5 (not (= 6 |old(~a15~0)|))) (.cse6 (and .cse8 .cse17 .cse9 .cse16)) (.cse1 (not (= |old(~a24~0)| 1))) (.cse13 (not (<= 12 |old(~a12~0)|))) (.cse2 (not (= 9 |old(~a21~0)|))) (.cse3 (and .cse7 .cse8 .cse17 .cse9)) (.cse4 (not (= 5 |old(~a15~0)|)))) (and (or .cse0 (not (<= 8 |old(~a15~0)|))) (or (not (<= (+ |old(~a12~0)| 7499) 0)) .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (= 7 |old(~a15~0)|))) (or .cse5 .cse1 (not (<= 81 |old(~a12~0)|)) .cse2 .cse6) (or (not (= 7 |old(~a21~0)|)) .cse1 (not (<= 58 |old(~a12~0)|)) (and .cse7 .cse8 .cse9 (= 7 ~a21~0)) (not (<= |old(~a12~0)| 68)) .cse4) (or (not (<= 1 |old(~a24~0)|)) (not (<= |old(~a24~0)| 1)) (not (<= |old(~a15~0)| 6)) (not (<= |old(~a21~0)| 9)) (not (<= (+ |old(~a12~0)| 45) 0)) (not (<= 6 |old(~a15~0)|)) (and (<= 6 ~a15~0) .cse10 .cse11 .cse9 (<= ~a15~0 6)) (not (<= 9 |old(~a21~0)|))) (or .cse1 .cse12 .cse13 .cse14 (and .cse7 .cse8 .cse15 .cse9) .cse4) (or (and .cse10 (= ~a21~0 6) .cse9 .cse16) (not (= 6 |old(~a21~0)|))) (or .cse5 .cse1 .cse12 .cse13 .cse14 (and .cse8 .cse15 .cse9 .cse16)) (or (not (= 10 |old(~a21~0)|)) .cse0) (or .cse5 .cse1 .cse2 (not (<= |old(~a12~0)| 11)) (not (<= 0 (+ |old(~a12~0)| 42))) .cse6) (or (not (<= |old(~a12~0)| 78)) .cse1 .cse13 .cse2 .cse3 .cse4)))) [2020-10-13 08:47:48,502 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-13 08:47:48,503 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-13 08:47:48,503 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,503 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,503 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,503 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:47:48,503 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:47:48,503 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:47:48,503 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-13 08:47:48,504 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-13 08:47:48,504 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-13 08:47:48,504 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-13 08:47:48,504 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-13 08:47:48,504 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,504 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,504 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,504 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-13 08:47:48,505 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-13 08:47:48,505 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:47:48,505 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:47:48,505 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:47:48,505 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-13 08:47:48,505 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-13 08:47:48,505 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-13 08:47:48,505 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,505 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,506 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,506 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-13 08:47:48,506 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:47:48,506 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:47:48,506 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:47:48,506 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-13 08:47:48,506 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-13 08:47:48,506 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-13 08:47:48,507 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-13 08:47:48,507 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,507 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,507 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,507 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-13 08:47:48,507 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:47:48,507 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:47:48,507 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:47:48,508 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-13 08:47:48,508 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-13 08:47:48,508 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-13 08:47:48,508 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-13 08:47:48,508 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,508 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,508 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-13 08:47:48,508 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:47:48,508 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:47:48,508 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-13 08:47:48,509 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-13 08:47:48,509 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-13 08:47:48,509 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-13 08:47:48,509 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-13 08:47:48,509 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2020-10-13 08:47:48,509 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,509 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,509 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-13 08:47:48,509 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:47:48,510 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:47:48,510 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-13 08:47:48,510 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-13 08:47:48,510 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-13 08:47:48,510 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,510 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,510 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-13 08:47:48,510 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-13 08:47:48,510 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:47:48,510 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:47:48,511 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-13 08:47:48,511 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-13 08:47:48,511 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-13 08:47:48,511 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-13 08:47:48,511 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,511 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,511 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-13 08:47:48,511 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-13 08:47:48,511 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:47:48,511 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:47:48,512 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-13 08:47:48,512 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-13 08:47:48,512 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-13 08:47:48,512 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,512 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,512 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,512 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-13 08:47:48,512 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-13 08:47:48,512 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:47:48,513 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:47:48,513 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-13 08:47:48,513 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-13 08:47:48,513 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,513 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,513 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:47:48,513 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,513 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-13 08:47:48,513 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-13 08:47:48,513 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-13 08:47:48,513 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:47:48,514 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:47:48,514 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:47:48,514 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-13 08:47:48,514 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-13 08:47:48,514 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-13 08:47:48,514 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-13 08:47:48,514 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,514 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,514 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,514 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-13 08:47:48,515 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:47:48,515 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:47:48,515 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:47:48,515 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-13 08:47:48,515 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-13 08:47:48,515 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-13 08:47:48,515 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-13 08:47:48,515 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,516 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,516 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,516 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-13 08:47:48,516 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-13 08:47:48,516 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:47:48,516 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:47:48,516 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:47:48,516 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-13 08:47:48,516 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-13 08:47:48,516 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-13 08:47:48,517 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,517 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,517 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,517 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-13 08:47:48,517 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:47:48,517 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:47:48,517 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:47:48,517 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-13 08:47:48,517 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-13 08:47:48,517 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-13 08:47:48,518 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-13 08:47:48,518 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-13 08:47:48,518 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,518 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,518 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:47:48,518 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-13 08:47:48,518 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:47:48,518 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:47:48,518 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:47:48,518 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-13 08:47:48,519 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:47:48,519 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 8 ~a15~0) [2020-10-13 08:47:48,519 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:47:48,519 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:47:48,519 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= 8 |old(~a15~0)|))) [2020-10-13 08:47:48,519 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:47:48,520 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse3 (<= ~a12~0 80)) (.cse4 (= ~a21~0 8)) (.cse5 (= ~a15~0 6)) (.cse0 (= 5 ~a15~0)) (.cse2 (<= 12 ~a12~0)) (.cse1 (= ~a24~0 1)) (.cse6 (= ~a21~0 9))) (or (= ~a21~0 10) (not (<= 8 |old(~a15~0)|)) (and .cse0 (<= 58 ~a12~0) .cse1 (<= ~a12~0 68) (= 7 ~a21~0)) (and .cse2 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 (<= (+ ~a12~0 7499) 0)) (and (<= 0 (+ ~a12~0 42)) (<= ~a12~0 11) .cse1 .cse6 .cse5) (= 7 ~a15~0) (<= 8 ~a15~0) (= ~a21~0 6) (and (<= 9 ~a21~0) (<= 6 ~a15~0) (<= ~a24~0 1) (<= (+ ~a12~0 45) 0) (<= 1 ~a24~0) (<= ~a21~0 9)) (and .cse0 .cse2 .cse1 .cse3 .cse4) (and (<= 81 ~a12~0) .cse1 .cse6 .cse5) (and .cse0 .cse2 .cse1 .cse6 (<= ~a12~0 78)))) [2020-10-13 08:47:48,520 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-13 08:47:48,520 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-13 08:47:48,520 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse3 (<= ~a12~0 80)) (.cse4 (= ~a21~0 8)) (.cse5 (= ~a15~0 6)) (.cse0 (= 5 ~a15~0)) (.cse2 (<= 12 ~a12~0)) (.cse1 (= ~a24~0 1)) (.cse6 (= ~a21~0 9))) (or (= ~a21~0 10) (not (<= 8 |old(~a15~0)|)) (and .cse0 (<= 58 ~a12~0) .cse1 (<= ~a12~0 68) (= 7 ~a21~0)) (and .cse2 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 (<= (+ ~a12~0 7499) 0)) (and (<= 0 (+ ~a12~0 42)) (<= ~a12~0 11) .cse1 .cse6 .cse5) (= 7 ~a15~0) (<= 8 ~a15~0) (= ~a21~0 6) (and (<= 9 ~a21~0) (<= 6 ~a15~0) (<= ~a24~0 1) (<= (+ ~a12~0 45) 0) (<= 1 ~a24~0) (<= ~a21~0 9)) (and .cse0 .cse2 .cse1 .cse3 .cse4) (and (<= 81 ~a12~0) .cse1 .cse6 .cse5) (and .cse0 .cse2 .cse1 .cse6 (<= ~a12~0 78)))) [2020-10-13 08:47:48,520 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:47:48,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:47:48 BoogieIcfgContainer [2020-10-13 08:47:48,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:47:48,546 INFO L168 Benchmark]: Toolchain (without parser) took 44687.69 ms. Allocated memory was 148.4 MB in the beginning and 759.7 MB in the end (delta: 611.3 MB). Free memory was 102.7 MB in the beginning and 557.0 MB in the end (delta: -454.3 MB). Peak memory consumption was 592.5 MB. Max. memory is 7.1 GB. [2020-10-13 08:47:48,547 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 08:47:48,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1072.08 ms. Allocated memory was 148.4 MB in the beginning and 209.7 MB in the end (delta: 61.3 MB). Free memory was 102.5 MB in the beginning and 172.7 MB in the end (delta: -70.2 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:47:48,549 INFO L168 Benchmark]: Boogie Preprocessor took 133.98 ms. Allocated memory is still 209.7 MB. Free memory was 172.7 MB in the beginning and 166.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2020-10-13 08:47:48,549 INFO L168 Benchmark]: RCFGBuilder took 1543.48 ms. Allocated memory was 209.7 MB in the beginning and 237.0 MB in the end (delta: 27.3 MB). Free memory was 166.4 MB in the beginning and 151.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 75.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:47:48,550 INFO L168 Benchmark]: TraceAbstraction took 41933.08 ms. Allocated memory was 237.0 MB in the beginning and 759.7 MB in the end (delta: 522.7 MB). Free memory was 151.7 MB in the beginning and 557.0 MB in the end (delta: -405.3 MB). Peak memory consumption was 553.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:47:48,553 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1072.08 ms. Allocated memory was 148.4 MB in the beginning and 209.7 MB in the end (delta: 61.3 MB). Free memory was 102.5 MB in the beginning and 172.7 MB in the end (delta: -70.2 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.98 ms. Allocated memory is still 209.7 MB. Free memory was 172.7 MB in the beginning and 166.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1543.48 ms. Allocated memory was 209.7 MB in the beginning and 237.0 MB in the end (delta: 27.3 MB). Free memory was 166.4 MB in the beginning and 151.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 75.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41933.08 ms. Allocated memory was 237.0 MB in the beginning and 759.7 MB in the end (delta: 522.7 MB). Free memory was 151.7 MB in the beginning and 557.0 MB in the end (delta: -405.3 MB). Peak memory consumption was 553.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((((((a21 == 10 || !(8 <= \old(a15))) || ((((5 == a15 && 58 <= a12) && a24 == 1) && a12 <= 68) && 7 == a21)) || ((((12 <= a12 && a24 == 1) && a12 <= 80) && a21 == 8) && a15 == 6)) || (((5 == a15 && a24 == 1) && a21 == 9) && a12 + 7499 <= 0)) || ((((0 <= a12 + 42 && a12 <= 11) && a24 == 1) && a21 == 9) && a15 == 6)) || 7 == a15) || 8 <= a15) || a21 == 6) || (((((9 <= a21 && 6 <= a15) && a24 <= 1) && a12 + 45 <= 0) && 1 <= a24) && a21 <= 9)) || ((((5 == a15 && 12 <= a12) && a24 == 1) && a12 <= 80) && a21 == 8)) || (((81 <= a12 && a24 == 1) && a21 == 9) && a15 == 6)) || ((((5 == a15 && 12 <= a12) && a24 == 1) && a21 == 9) && a12 <= 78) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 40.1s, OverallIterations: 17, TraceHistogramMax: 2, AutomataDifference: 17.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 427 SDtfs, 4187 SDslu, 319 SDs, 0 SdLazy, 11275 SolverSat, 396 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 102 SyntacticMatches, 15 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=744occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 438 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 83 PreInvPairs, 125 NumberOfFragments, 703 HoareAnnotationTreeSize, 83 FomulaSimplifications, 9054062 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 961 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 20.7s InterpolantComputationTime, 2593 NumberOfCodeBlocks, 2593 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2576 ConstructedInterpolants, 0 QuantifiedInterpolants, 1310278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 720/736 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...