/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:26:25,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:26:25,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:26:25,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:26:25,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:26:25,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:26:25,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:26:25,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:26:25,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:26:25,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:26:25,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:26:25,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:26:25,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:26:25,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:26:25,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:26:25,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:26:25,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:26:25,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:26:25,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:26:25,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:26:25,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:26:25,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:26:25,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:26:25,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:26:25,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:26:25,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:26:25,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:26:25,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:26:25,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:26:25,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:26:25,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:26:25,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:26:25,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:26:25,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:26:25,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:26:25,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:26:25,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:26:25,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:26:25,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:26:25,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:26:25,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:26:25,988 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 [2020-09-21 11:26:26,024 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:26:26,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:26:26,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:26:26,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:26:26,026 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:26:26,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:26:26,027 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:26:26,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:26:26,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:26:26,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:26:26,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:26:26,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:26:26,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:26:26,028 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:26:26,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:26:26,029 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:26:26,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:26:26,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:26:26,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:26:26,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:26:26,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:26:26,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:26:26,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:26:26,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:26:26,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:26:26,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:26:26,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:26:26,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:26:26,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:26:26,032 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:26:26,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:26:26,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:26:26,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:26:26,515 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:26:26,516 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:26:26,517 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2020-09-21 11:26:26,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ec814652c/02b4741708b24ab686a6b22908efcd0c/FLAGc76536bd3 [2020-09-21 11:26:27,315 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:26:27,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2020-09-21 11:26:27,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ec814652c/02b4741708b24ab686a6b22908efcd0c/FLAGc76536bd3 [2020-09-21 11:26:27,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ec814652c/02b4741708b24ab686a6b22908efcd0c [2020-09-21 11:26:27,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:26:27,484 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:26:27,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:26:27,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:26:27,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:26:27,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:26:27" (1/1) ... [2020-09-21 11:26:27,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f78b0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:27, skipping insertion in model container [2020-09-21 11:26:27,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:26:27" (1/1) ... [2020-09-21 11:26:27,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:26:27,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:26:28,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:26:28,047 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:26:28,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:26:28,330 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:26:28,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:28 WrapperNode [2020-09-21 11:26:28,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:26:28,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:26:28,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:26:28,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:26:28,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:28" (1/1) ... [2020-09-21 11:26:28,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:28" (1/1) ... [2020-09-21 11:26:28,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:28" (1/1) ... [2020-09-21 11:26:28,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:28" (1/1) ... [2020-09-21 11:26:28,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:28" (1/1) ... [2020-09-21 11:26:28,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:28" (1/1) ... [2020-09-21 11:26:28,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:28" (1/1) ... [2020-09-21 11:26:28,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:26:28,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:26:28,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:26:28,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:26:28,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:28" (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 [2020-09-21 11:26:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:26:28,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:26:28,529 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:26:28,529 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:26:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:26:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:26:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:26:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:26:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:26:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:26:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:26:29,883 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:26:29,884 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:26:29,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:26:29 BoogieIcfgContainer [2020-09-21 11:26:29,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:26:29,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:26:29,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:26:29,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:26:29,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:26:27" (1/3) ... [2020-09-21 11:26:29,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e3f04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:26:29, skipping insertion in model container [2020-09-21 11:26:29,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:28" (2/3) ... [2020-09-21 11:26:29,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e3f04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:26:29, skipping insertion in model container [2020-09-21 11:26:29,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:26:29" (3/3) ... [2020-09-21 11:26:29,901 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2020-09-21 11:26:29,913 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:26:29,925 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:26:29,949 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:26:29,985 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:26:29,985 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:26:29,985 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:26:29,986 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:26:29,986 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:26:29,986 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:26:29,986 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:26:29,986 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:26:30,018 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 11:26:30,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-09-21 11:26:30,031 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:30,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:30,034 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:30,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:30,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1033095319, now seen corresponding path program 1 times [2020-09-21 11:26:30,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:30,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586829050] [2020-09-21 11:26:30,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:30,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:30,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:30,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:30,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:30,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-09-21 11:26:30,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:30,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-21 11:26:30,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:26:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:26:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-21 11:26:30,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:30,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:30,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:30,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:30,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:30,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:30,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:30,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:30,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:26:30,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:30,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:26:30,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:26:30,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586829050] [2020-09-21 11:26:30,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:26:30,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:26:30,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153307958] [2020-09-21 11:26:30,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:26:30,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:30,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:26:30,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:26:30,861 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-09-21 11:26:32,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:32,718 INFO L93 Difference]: Finished difference Result 649 states and 1102 transitions. [2020-09-21 11:26:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:26:32,720 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2020-09-21 11:26:32,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:32,741 INFO L225 Difference]: With dead ends: 649 [2020-09-21 11:26:32,741 INFO L226 Difference]: Without dead ends: 339 [2020-09-21 11:26:32,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:32,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-09-21 11:26:32,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 328. [2020-09-21 11:26:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-09-21 11:26:32,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 471 transitions. [2020-09-21 11:26:32,846 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 471 transitions. Word has length 95 [2020-09-21 11:26:32,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:32,847 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 471 transitions. [2020-09-21 11:26:32,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:26:32,848 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 471 transitions. [2020-09-21 11:26:32,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-21 11:26:32,855 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:32,855 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:26:32,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:26:32,856 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:32,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:32,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1572295306, now seen corresponding path program 1 times [2020-09-21 11:26:32,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:32,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146405131] [2020-09-21 11:26:32,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:32,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:32,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:32,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:32,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:32,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 11:26:32,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:26:32,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:26:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:26:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:26:32,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:33,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:33,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:33,040 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:33,040 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:33,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:33,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:33,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:33,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:26:33,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:33,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:33,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:33,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:26:33,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:33,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:33,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:33,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:33,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:33,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:33,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 11:26:33,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:33,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:26:33,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:33,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:26:33,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:26:33,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1146405131] [2020-09-21 11:26:33,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:26:33,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:26:33,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9018913] [2020-09-21 11:26:33,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:26:33,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:33,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:26:33,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:26:33,129 INFO L87 Difference]: Start difference. First operand 328 states and 471 transitions. Second operand 8 states. [2020-09-21 11:26:36,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:36,073 INFO L93 Difference]: Finished difference Result 1268 states and 1897 transitions. [2020-09-21 11:26:36,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:26:36,074 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-09-21 11:26:36,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:36,084 INFO L225 Difference]: With dead ends: 1268 [2020-09-21 11:26:36,084 INFO L226 Difference]: Without dead ends: 946 [2020-09-21 11:26:36,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:26:36,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-09-21 11:26:36,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 927. [2020-09-21 11:26:36,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2020-09-21 11:26:36,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1251 transitions. [2020-09-21 11:26:36,158 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1251 transitions. Word has length 107 [2020-09-21 11:26:36,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:36,158 INFO L479 AbstractCegarLoop]: Abstraction has 927 states and 1251 transitions. [2020-09-21 11:26:36,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:26:36,158 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1251 transitions. [2020-09-21 11:26:36,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-09-21 11:26:36,177 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:36,177 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:36,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:26:36,177 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:36,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:36,179 INFO L82 PathProgramCache]: Analyzing trace with hash 768257760, now seen corresponding path program 1 times [2020-09-21 11:26:36,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:36,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [976638504] [2020-09-21 11:26:36,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:36,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:36,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:36,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:36,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:36,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-21 11:26:36,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:36,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:26:36,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:36,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:26:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-21 11:26:36,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:36,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:36,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:36,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:36,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:36,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:36,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:36,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:36,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:36,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:36,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:36,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:36,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:36,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:36,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:36,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:36,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:36,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:36,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:36,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:36,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:36,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:36,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:26:36,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:36,479 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:26:36,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [976638504] [2020-09-21 11:26:36,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:36,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:26:36,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230056750] [2020-09-21 11:26:36,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:36,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:36,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:36,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:36,482 INFO L87 Difference]: Start difference. First operand 927 states and 1251 transitions. Second operand 5 states. [2020-09-21 11:26:38,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:38,189 INFO L93 Difference]: Finished difference Result 2744 states and 3821 transitions. [2020-09-21 11:26:38,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:26:38,190 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-09-21 11:26:38,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:38,202 INFO L225 Difference]: With dead ends: 2744 [2020-09-21 11:26:38,202 INFO L226 Difference]: Without dead ends: 1823 [2020-09-21 11:26:38,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:26:38,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2020-09-21 11:26:38,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1665. [2020-09-21 11:26:38,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1665 states. [2020-09-21 11:26:38,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2235 transitions. [2020-09-21 11:26:38,271 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2235 transitions. Word has length 108 [2020-09-21 11:26:38,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:38,272 INFO L479 AbstractCegarLoop]: Abstraction has 1665 states and 2235 transitions. [2020-09-21 11:26:38,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2235 transitions. [2020-09-21 11:26:38,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-09-21 11:26:38,278 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:38,279 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:26:38,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:26:38,280 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:38,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:38,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1456059206, now seen corresponding path program 1 times [2020-09-21 11:26:38,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:38,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589541439] [2020-09-21 11:26:38,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:38,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:38,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:38,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:38,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:38,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-21 11:26:38,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:38,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:26:38,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:26:38,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-21 11:26:38,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:38,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:38,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:38,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:38,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:38,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:38,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:38,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:38,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:38,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:38,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:38,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:38,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:38,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:38,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:38,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:38,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:38,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:38,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:38,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:26:38,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:38,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:26:38,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:26:38,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:38,631 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:26:38,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589541439] [2020-09-21 11:26:38,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:38,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:26:38,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878542842] [2020-09-21 11:26:38,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:38,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:38,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:38,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:38,636 INFO L87 Difference]: Start difference. First operand 1665 states and 2235 transitions. Second operand 5 states. [2020-09-21 11:26:40,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:40,220 INFO L93 Difference]: Finished difference Result 4352 states and 5974 transitions. [2020-09-21 11:26:40,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:26:40,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-09-21 11:26:40,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:40,236 INFO L225 Difference]: With dead ends: 4352 [2020-09-21 11:26:40,236 INFO L226 Difference]: Without dead ends: 2693 [2020-09-21 11:26:40,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:26:40,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2020-09-21 11:26:40,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 2401. [2020-09-21 11:26:40,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2401 states. [2020-09-21 11:26:40,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2401 states and 3146 transitions. [2020-09-21 11:26:40,319 INFO L78 Accepts]: Start accepts. Automaton has 2401 states and 3146 transitions. Word has length 109 [2020-09-21 11:26:40,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:40,319 INFO L479 AbstractCegarLoop]: Abstraction has 2401 states and 3146 transitions. [2020-09-21 11:26:40,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:40,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 3146 transitions. [2020-09-21 11:26:40,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-09-21 11:26:40,325 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:40,325 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2020-09-21 11:26:40,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:26:40,326 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:40,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:40,326 INFO L82 PathProgramCache]: Analyzing trace with hash 65051621, now seen corresponding path program 1 times [2020-09-21 11:26:40,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:40,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113837314] [2020-09-21 11:26:40,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:40,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:26:40,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -14 [2020-09-21 11:26:40,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 14 [2020-09-21 11:26:40,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:40,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-21 11:26:40,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:40,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:26:40,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:40,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:26:40,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 11:26:40,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-21 11:26:40,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:40,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:40,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:40,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:40,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:40,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:40,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:40,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:40,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:40,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:40,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:40,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:40,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:40,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:40,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:40,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:40,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:40,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:40,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:40,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:26:40,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:40,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:40,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:40,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:40,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:40,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:26:40,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:40,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 11:26:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:40,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:40,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:40,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:40,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:40,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 11:26:40,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:40,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:40,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:40,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:40,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:40,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:26:40,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:40,608 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-21 11:26:40,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113837314] [2020-09-21 11:26:40,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:40,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:26:40,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395324982] [2020-09-21 11:26:40,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:40,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:40,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:40,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:40,611 INFO L87 Difference]: Start difference. First operand 2401 states and 3146 transitions. Second operand 5 states. [2020-09-21 11:26:42,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:42,026 INFO L93 Difference]: Finished difference Result 4803 states and 6329 transitions. [2020-09-21 11:26:42,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:26:42,030 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-09-21 11:26:42,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:42,046 INFO L225 Difference]: With dead ends: 4803 [2020-09-21 11:26:42,046 INFO L226 Difference]: Without dead ends: 2408 [2020-09-21 11:26:42,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:26:42,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2408 states. [2020-09-21 11:26:42,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2408 to 2401. [2020-09-21 11:26:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2401 states. [2020-09-21 11:26:42,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2401 states and 2895 transitions. [2020-09-21 11:26:42,130 INFO L78 Accepts]: Start accepts. Automaton has 2401 states and 2895 transitions. Word has length 116 [2020-09-21 11:26:42,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:42,131 INFO L479 AbstractCegarLoop]: Abstraction has 2401 states and 2895 transitions. [2020-09-21 11:26:42,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:42,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 2895 transitions. [2020-09-21 11:26:42,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-21 11:26:42,139 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:42,140 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:42,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:26:42,140 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:42,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:42,141 INFO L82 PathProgramCache]: Analyzing trace with hash 15807824, now seen corresponding path program 1 times [2020-09-21 11:26:42,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:42,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023254091] [2020-09-21 11:26:42,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:42,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:42,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:42,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:42,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:42,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-09-21 11:26:42,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:42,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:26:42,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:26:42,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-21 11:26:42,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:42,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:42,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:42,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:42,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:42,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:42,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:42,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:42,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:42,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:42,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:42,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:42,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:42,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:42,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:42,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:42,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:42,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:42,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:42,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:42,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:42,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:42,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:26:42,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:42,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:26:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:42,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:42,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:42,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:42,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:42,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:26:42,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:42,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:26:42,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:26:42,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:42,400 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:26:42,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023254091] [2020-09-21 11:26:42,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:42,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:42,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020703144] [2020-09-21 11:26:42,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:42,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:42,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:42,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:42,403 INFO L87 Difference]: Start difference. First operand 2401 states and 2895 transitions. Second operand 7 states. [2020-09-21 11:26:44,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:44,061 INFO L93 Difference]: Finished difference Result 5444 states and 6798 transitions. [2020-09-21 11:26:44,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:26:44,067 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 137 [2020-09-21 11:26:44,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:44,084 INFO L225 Difference]: With dead ends: 5444 [2020-09-21 11:26:44,085 INFO L226 Difference]: Without dead ends: 3049 [2020-09-21 11:26:44,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:26:44,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3049 states. [2020-09-21 11:26:44,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3049 to 2563. [2020-09-21 11:26:44,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2563 states. [2020-09-21 11:26:44,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 3096 transitions. [2020-09-21 11:26:44,173 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 3096 transitions. Word has length 137 [2020-09-21 11:26:44,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:44,174 INFO L479 AbstractCegarLoop]: Abstraction has 2563 states and 3096 transitions. [2020-09-21 11:26:44,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:44,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 3096 transitions. [2020-09-21 11:26:44,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-09-21 11:26:44,182 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:44,182 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 11:26:44,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:26:44,183 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:44,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:44,183 INFO L82 PathProgramCache]: Analyzing trace with hash 625037035, now seen corresponding path program 1 times [2020-09-21 11:26:44,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:44,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747285332] [2020-09-21 11:26:44,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:44,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:44,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:44,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:44,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:44,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-09-21 11:26:44,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:44,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:26:44,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:44,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:26:44,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:26:44,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:44,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:44,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:44,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:44,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:44,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:44,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:44,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:44,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:44,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:44,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:44,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:44,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:44,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:44,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:44,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:44,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:44,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:44,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:44,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:44,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:44,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:44,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:44,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:44,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:44,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:26:44,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:44,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:26:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:44,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:44,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:44,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:44,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:44,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:26:44,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:44,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:26:44,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:44,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:44,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:44,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:26:44,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:44,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:26:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:44,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:44,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:44,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:44,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:44,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:26:44,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:44,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:44,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:44,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:44,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:26:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:44,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 50 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 11:26:44,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747285332] [2020-09-21 11:26:44,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:44,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:44,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307654796] [2020-09-21 11:26:44,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:44,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:44,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:44,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:44,533 INFO L87 Difference]: Start difference. First operand 2563 states and 3096 transitions. Second operand 7 states. [2020-09-21 11:26:46,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:46,700 INFO L93 Difference]: Finished difference Result 5308 states and 6464 transitions. [2020-09-21 11:26:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:26:46,701 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 145 [2020-09-21 11:26:46,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:46,713 INFO L225 Difference]: With dead ends: 5308 [2020-09-21 11:26:46,713 INFO L226 Difference]: Without dead ends: 2751 [2020-09-21 11:26:46,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:26:46,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2751 states. [2020-09-21 11:26:46,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2751 to 2737. [2020-09-21 11:26:46,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2737 states. [2020-09-21 11:26:46,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3318 transitions. [2020-09-21 11:26:46,794 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3318 transitions. Word has length 145 [2020-09-21 11:26:46,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:46,794 INFO L479 AbstractCegarLoop]: Abstraction has 2737 states and 3318 transitions. [2020-09-21 11:26:46,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:46,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3318 transitions. [2020-09-21 11:26:46,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-21 11:26:46,802 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:46,803 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:46,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:26:46,803 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:46,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:46,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1447361689, now seen corresponding path program 1 times [2020-09-21 11:26:46,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:46,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132353570] [2020-09-21 11:26:46,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:46,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:26:46,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -25 [2020-09-21 11:26:46,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 25 [2020-09-21 11:26:46,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:46,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-09-21 11:26:46,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:46,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:26:46,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:46,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:46,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-21 11:26:46,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:26:46,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:46,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:46,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:46,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:46,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:46,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:46,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:46,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:46,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:46,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:46,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:46,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:46,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:46,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:46,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:46,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:46,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:46,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:46,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:46,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:26:46,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:46,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:46,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:26:46,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:47,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:26:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:47,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:47,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:47,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:47,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:47,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:26:47,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:47,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:26:47,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:47,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:47,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:47,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:26:47,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:47,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:26:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:47,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:47,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:47,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:47,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:47,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:26:47,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:47,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:47,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:47,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:47,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:26:47,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:47,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-21 11:26:47,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132353570] [2020-09-21 11:26:47,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:47,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:47,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395943715] [2020-09-21 11:26:47,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:47,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:47,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:47,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:47,105 INFO L87 Difference]: Start difference. First operand 2737 states and 3318 transitions. Second operand 7 states. [2020-09-21 11:26:49,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:49,082 INFO L93 Difference]: Finished difference Result 6219 states and 7732 transitions. [2020-09-21 11:26:49,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:26:49,083 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 156 [2020-09-21 11:26:49,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:49,099 INFO L225 Difference]: With dead ends: 6219 [2020-09-21 11:26:49,099 INFO L226 Difference]: Without dead ends: 3488 [2020-09-21 11:26:49,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:26:49,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3488 states. [2020-09-21 11:26:49,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3488 to 3329. [2020-09-21 11:26:49,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3329 states. [2020-09-21 11:26:49,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 3329 states and 4042 transitions. [2020-09-21 11:26:49,201 INFO L78 Accepts]: Start accepts. Automaton has 3329 states and 4042 transitions. Word has length 156 [2020-09-21 11:26:49,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:49,201 INFO L479 AbstractCegarLoop]: Abstraction has 3329 states and 4042 transitions. [2020-09-21 11:26:49,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:49,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3329 states and 4042 transitions. [2020-09-21 11:26:49,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-21 11:26:49,211 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:49,211 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 11:26:49,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:26:49,211 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:49,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:49,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1506864510, now seen corresponding path program 1 times [2020-09-21 11:26:49,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:49,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [91490290] [2020-09-21 11:26:49,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:49,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:49,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:49,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:49,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:49,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 11:26:49,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:49,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:26:49,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:49,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:26:49,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:26:49,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:26:49,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:49,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:49,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:49,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:49,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:49,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:49,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:49,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:49,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:26:49,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:49,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:26:49,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:49,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:49,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:49,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:49,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:49,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:49,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:26:49,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:49,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:49,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:49,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:49,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:49,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:26:49,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:49,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:26:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:49,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:49,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:49,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:49,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:49,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:26:49,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:49,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:49,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:49,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:49,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:26:49,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:49,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:26:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:49,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:49,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:49,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:49,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:49,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:26:49,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:49,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:26:49,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:49,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:49,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:49,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:26:49,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:49,573 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:26:49,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [91490290] [2020-09-21 11:26:49,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:49,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:49,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098508550] [2020-09-21 11:26:49,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:49,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:49,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:49,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:49,586 INFO L87 Difference]: Start difference. First operand 3329 states and 4042 transitions. Second operand 7 states. [2020-09-21 11:26:51,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:51,168 INFO L93 Difference]: Finished difference Result 7124 states and 8869 transitions. [2020-09-21 11:26:51,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:26:51,168 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-09-21 11:26:51,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:51,187 INFO L225 Difference]: With dead ends: 7124 [2020-09-21 11:26:51,187 INFO L226 Difference]: Without dead ends: 3801 [2020-09-21 11:26:51,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:26:51,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3801 states. [2020-09-21 11:26:51,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3801 to 3155. [2020-09-21 11:26:51,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3155 states. [2020-09-21 11:26:51,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 3155 states and 3765 transitions. [2020-09-21 11:26:51,306 INFO L78 Accepts]: Start accepts. Automaton has 3155 states and 3765 transitions. Word has length 166 [2020-09-21 11:26:51,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:51,306 INFO L479 AbstractCegarLoop]: Abstraction has 3155 states and 3765 transitions. [2020-09-21 11:26:51,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:51,307 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 3765 transitions. [2020-09-21 11:26:51,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-21 11:26:51,317 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:51,317 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:26:51,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:26:51,318 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:51,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:51,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1555440331, now seen corresponding path program 1 times [2020-09-21 11:26:51,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:51,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939514311] [2020-09-21 11:26:51,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:51,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:26:51,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -89 [2020-09-21 11:26:51,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 89 [2020-09-21 11:26:51,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:51,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-09-21 11:26:51,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:51,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:26:51,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:51,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:51,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-09-21 11:26:51,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-21 11:26:51,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:51,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:51,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:51,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:51,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:51,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:51,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:51,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:51,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:51,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:51,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:51,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:51,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:51,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:51,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:51,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:51,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:51,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:51,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:51,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:51,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:51,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:51,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:51,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:51,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:51,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:51,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:51,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:26:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:51,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:51,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:51,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:51,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:51,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-21 11:26:51,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:51,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:26:51,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-21 11:26:51,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:51,686 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-21 11:26:51,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939514311] [2020-09-21 11:26:51,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:51,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:26:51,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585650458] [2020-09-21 11:26:51,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:51,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:51,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:51,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:51,688 INFO L87 Difference]: Start difference. First operand 3155 states and 3765 transitions. Second operand 5 states. [2020-09-21 11:26:52,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:52,989 INFO L93 Difference]: Finished difference Result 6301 states and 7577 transitions. [2020-09-21 11:26:52,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:26:52,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 177 [2020-09-21 11:26:52,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:52,994 INFO L225 Difference]: With dead ends: 6301 [2020-09-21 11:26:52,994 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:26:53,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:26:53,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:26:53,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:26:53,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:26:53,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:26:53,008 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2020-09-21 11:26:53,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:53,008 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:26:53,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:53,008 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:26:53,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:26:53,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:26:53,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:26:53,431 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-09-21 11:26:54,467 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 131 [2020-09-21 11:26:54,883 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 131 [2020-09-21 11:26:56,059 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 153 DAG size of output: 71 [2020-09-21 11:26:56,739 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 48 [2020-09-21 11:26:57,403 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 48 [2020-09-21 11:26:57,408 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:26:57,409 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-21 11:26:57,409 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:26:57,410 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,410 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,410 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,410 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,410 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,410 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 11:26:57,411 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 11:26:57,411 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 11:26:57,411 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 11:26:57,411 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 11:26:57,411 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 11:26:57,411 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 11:26:57,412 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 11:26:57,412 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 11:26:57,412 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:26:57,412 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:26:57,412 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:26:57,412 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 11:26:57,413 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,413 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,413 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,413 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,413 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 11:26:57,413 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,413 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 11:26:57,413 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 11:26:57,413 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 11:26:57,413 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 11:26:57,414 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 11:26:57,414 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 11:26:57,414 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 11:26:57,414 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:26:57,414 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:26:57,414 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 11:26:57,414 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 11:26:57,415 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 11:26:57,415 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:26:57,415 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:26:57,415 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 11:26:57,415 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,415 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,415 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,416 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,416 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,416 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2020-09-21 11:26:57,416 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:26:57,416 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 11:26:57,416 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:26:57,416 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 11:26:57,417 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 11:26:57,417 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 11:26:57,417 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 11:26:57,417 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 11:26:57,417 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 11:26:57,417 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 11:26:57,417 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 11:26:57,417 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,418 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,418 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,418 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,418 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,418 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 11:26:57,418 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 11:26:57,418 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 11:26:57,419 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 11:26:57,419 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 11:26:57,419 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 11:26:57,419 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 11:26:57,419 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 11:26:57,419 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 11:26:57,419 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 11:26:57,419 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 11:26:57,420 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 11:26:57,420 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 11:26:57,420 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,420 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,420 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,420 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,420 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,421 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 11:26:57,421 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 11:26:57,421 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 11:26:57,421 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 11:26:57,421 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 11:26:57,421 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 11:26:57,421 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 11:26:57,421 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 11:26:57,421 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 11:26:57,422 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 11:26:57,422 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 11:26:57,422 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 11:26:57,422 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 11:26:57,422 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:26:57,422 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 11:26:57,422 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:26:57,422 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,422 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,423 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,423 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,423 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 11:26:57,423 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,423 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:26:57,423 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,423 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:26:57,423 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:26:57,424 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:26:57,424 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,424 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,424 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 11:26:57,424 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 11:26:57,424 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 11:26:57,424 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 11:26:57,424 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 11:26:57,425 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 11:26:57,425 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 11:26:57,425 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 11:26:57,425 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 11:26:57,425 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 11:26:57,425 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 11:26:57,425 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,425 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,426 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,426 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,426 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,427 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,427 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 11:26:57,427 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 11:26:57,428 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 11:26:57,428 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 11:26:57,428 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 11:26:57,428 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 11:26:57,428 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 11:26:57,428 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 11:26:57,428 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 11:26:57,428 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 11:26:57,428 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 11:26:57,429 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,429 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,429 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,429 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,429 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,429 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,429 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 11:26:57,429 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 11:26:57,429 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 11:26:57,430 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 11:26:57,430 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 11:26:57,430 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 11:26:57,430 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 11:26:57,430 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 11:26:57,430 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 11:26:57,430 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 11:26:57,430 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 11:26:57,430 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 11:26:57,430 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 11:26:57,431 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 11:26:57,431 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,431 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,431 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,431 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse4 (= ~a25~0 |old(~a25~0)|)) (.cse12 (= ~a17~0 8)) (.cse5 (= ~a19~0 |old(~a19~0)|))) (let ((.cse9 (and .cse1 .cse3 .cse4 .cse12 .cse5)) (.cse10 (not (= 8 |old(~a17~0)|))) (.cse6 (= |old(~a11~0)| 1)) (.cse8 (not (<= |old(~a28~0)| 7))) (.cse0 (= |old(~a19~0)| 1)) (.cse14 (not (= |old(~a25~0)| 1))) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse15 (= ~a25~0 1)) (.cse13 (= ~a28~0 9)) (.cse11 (not (= 9 |old(~a28~0)|))) (.cse7 (not (= |old(~a11~0)| |old(~a25~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7) (or (and .cse2 .cse3 .cse4 .cse5 (= ~a28~0 10)) (not (= 10 |old(~a28~0)|))) (or .cse0 .cse8 .cse9 .cse10) (or .cse10 .cse11 (and .cse3 .cse4 .cse12 .cse13 .cse5)) (or (and .cse3 .cse4 .cse12 (= ~a28~0 8) .cse5) .cse10 .cse6 (not (= 8 |old(~a28~0)|))) (or .cse8 .cse9 .cse10 .cse7) (or .cse14 (not (= 11 |old(~a28~0)|)) .cse6 (and .cse2 .cse3 .cse15 .cse5 (= ~a28~0 11))) (or .cse8 .cse14 (and .cse1 .cse2 .cse3 .cse15 .cse5)) (or .cse0 .cse14 (and .cse2 .cse3 .cse15 .cse13 .cse5) .cse11 .cse7)))) [2020-09-21 11:26:57,431 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,432 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,432 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,432 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 11:26:57,432 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 11:26:57,432 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 11:26:57,432 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 11:26:57,432 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 11:26:57,432 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 11:26:57,432 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 11:26:57,432 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 11:26:57,433 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 11:26:57,433 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 11:26:57,433 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 11:26:57,433 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 11:26:57,433 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 11:26:57,433 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,433 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,433 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,433 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,434 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,434 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,434 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 11:26:57,434 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 11:26:57,434 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 11:26:57,434 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 11:26:57,434 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 11:26:57,434 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 11:26:57,434 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 11:26:57,435 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 11:26:57,435 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 11:26:57,435 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 11:26:57,435 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 11:26:57,435 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:26:57,435 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:26:57,435 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 11:26:57,435 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 11:26:57,435 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 11:26:57,436 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,436 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,436 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,437 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,437 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:57,437 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 11:26:57,437 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 11:26:57,437 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 11:26:57,437 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 11:26:57,437 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 11:26:57,438 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 11:26:57,438 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 11:26:57,438 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 11:26:57,438 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 11:26:57,438 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 11:26:57,438 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 11:26:57,438 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:26:57,438 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 11:26:57,438 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:26:57,439 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 11:26:57,439 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:26:57,439 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:26:57,439 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 11:26:57,439 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 11:26:57,439 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:26:57,439 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a17~0 8) (not (= ~a11~0 1)) (<= ~a28~0 7)) [2020-09-21 11:26:57,439 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:26:57,439 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:26:57,440 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (= |old(~a11~0)| 1) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-09-21 11:26:57,440 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a28~0 9)) (.cse1 (not (= ~a19~0 1))) (.cse4 (= ~a25~0 ~a11~0)) (.cse0 (= ~a17~0 8)) (.cse2 (<= ~a28~0 7)) (.cse6 (= ~a25~0 1)) (.cse3 (not (= ~a11~0 1)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= ~a28~0 8)) (and .cse4 .cse1 .cse5) (and .cse0 .cse5) (and .cse4 .cse1 .cse3) (not (= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) .cse4 (= ~a11~0 |old(~a11~0)|) .cse0 (= ~a19~0 |old(~a19~0)|)) (= ~a28~0 10) (not (<= |old(~a28~0)| 7)) (and .cse6 .cse2) (and .cse6 .cse3 (= ~a28~0 11)) (= |old(~a11~0)| 1) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-09-21 11:26:57,440 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:26:57,440 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:26:57,440 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (= ~a28~0 9)) (.cse1 (not (= ~a19~0 1))) (.cse4 (= ~a25~0 ~a11~0)) (.cse0 (= ~a17~0 8)) (.cse2 (<= ~a28~0 7)) (.cse6 (= ~a25~0 1)) (.cse3 (not (= ~a11~0 1)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= ~a28~0 8)) (and .cse4 .cse1 .cse5) (and .cse0 .cse5) (and .cse4 .cse1 .cse3) (not (= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) .cse4 (= ~a11~0 |old(~a11~0)|) .cse0 (= ~a19~0 |old(~a19~0)|)) (= ~a28~0 10) (not (<= |old(~a28~0)| 7)) (and .cse6 .cse2) (and .cse6 .cse3 (= ~a28~0 11)) (= |old(~a11~0)| 1) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-09-21 11:26:57,440 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 11:26:57,441 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 11:26:57,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:26:57 BoogieIcfgContainer [2020-09-21 11:26:57,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:26:57,499 INFO L168 Benchmark]: Toolchain (without parser) took 30017.31 ms. Allocated memory was 139.5 MB in the beginning and 563.1 MB in the end (delta: 423.6 MB). Free memory was 101.0 MB in the beginning and 445.1 MB in the end (delta: -344.1 MB). Peak memory consumption was 402.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:57,501 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:26:57,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 848.23 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 100.6 MB in the beginning and 172.0 MB in the end (delta: -71.4 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:57,502 INFO L168 Benchmark]: Boogie Preprocessor took 120.78 ms. Allocated memory is still 205.5 MB. Free memory was 172.0 MB in the beginning and 167.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:57,505 INFO L168 Benchmark]: RCFGBuilder took 1435.80 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 167.0 MB in the beginning and 182.5 MB in the end (delta: -15.5 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:57,506 INFO L168 Benchmark]: TraceAbstraction took 27602.52 ms. Allocated memory was 238.0 MB in the beginning and 563.1 MB in the end (delta: 325.1 MB). Free memory was 181.1 MB in the beginning and 445.1 MB in the end (delta: -264.0 MB). Peak memory consumption was 383.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:57,515 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 848.23 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 100.6 MB in the beginning and 172.0 MB in the end (delta: -71.4 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.78 ms. Allocated memory is still 205.5 MB. Free memory was 172.0 MB in the beginning and 167.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1435.80 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 167.0 MB in the beginning and 182.5 MB in the end (delta: -15.5 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27602.52 ms. Allocated memory was 238.0 MB in the beginning and 563.1 MB in the end (delta: 325.1 MB). Free memory was 181.1 MB in the beginning and 445.1 MB in the end (delta: -264.0 MB). Peak memory consumption was 383.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((a17 == 8 && !(a19 == 1)) && a28 <= 7) || ((a17 == 8 && !(a11 == 1)) && a28 == 8)) || ((a25 == a11 && !(a19 == 1)) && a28 == 9)) || (a17 == 8 && a28 == 9)) || ((a25 == a11 && !(a19 == 1)) && !(a11 == 1))) || !(8 == \old(a17))) || ((((a28 == \old(a28) && a25 == a11) && a11 == \old(a11)) && a17 == 8) && a19 == \old(a19))) || a28 == 10) || !(\old(a28) <= 7)) || (a25 == 1 && a28 <= 7)) || ((a25 == 1 && !(a11 == 1)) && a28 == 11)) || \old(a11) == 1) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.0s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 3739 SDslu, 611 SDs, 0 SdLazy, 9555 SolverSat, 1194 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3329occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 1792 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 157 PreInvPairs, 201 NumberOfFragments, 553 HoareAnnotationTreeSize, 157 FomulaSimplifications, 55596 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5831 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1316 NumberOfCodeBlocks, 1316 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1306 ConstructedInterpolants, 0 QuantifiedInterpolants, 443197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 431/460 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...