/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_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:26:13,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:26:13,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:26:13,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:26:13,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:26:13,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:26:13,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:26:13,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:26:13,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:26:13,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:26:13,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:26:13,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:26:13,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:26:13,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:26:13,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:26:13,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:26:13,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:26:13,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:26:13,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:26:13,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:26:13,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:26:13,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:26:13,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:26:13,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:26:13,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:26:13,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:26:13,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:26:13,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:26:13,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:26:13,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:26:13,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:26:13,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:26:13,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:26:13,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:26:13,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:26:13,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:26:13,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:26:13,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:26:13,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:26:13,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:26:13,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:26:13,874 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 11:26:13,928 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:26:13,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:26:13,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:26:13,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:26:13,931 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:26:13,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:26:13,932 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:26:13,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:26:13,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:26:13,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:26:13,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:26:13,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:26:13,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:26:13,934 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:26:13,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:26:13,935 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:26:13,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:26:13,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:26:13,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:26:13,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:26:13,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:26:13,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:26:13,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:26:13,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:26:13,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:26:13,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:26:13,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:26:13,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:26:13,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:26:13,938 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 11:26:14,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:26:14,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:26:14,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:26:14,435 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:26:14,436 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:26:14,437 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label27.c [2020-09-21 11:26:14,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c583e2c9/63d5e8bbd00149c8a1273dbe28cf30b2/FLAG0b4d3ee04 [2020-09-21 11:26:15,169 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:26:15,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label27.c [2020-09-21 11:26:15,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c583e2c9/63d5e8bbd00149c8a1273dbe28cf30b2/FLAG0b4d3ee04 [2020-09-21 11:26:15,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c583e2c9/63d5e8bbd00149c8a1273dbe28cf30b2 [2020-09-21 11:26:15,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:26:15,394 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:26:15,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:26:15,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:26:15,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:26:15,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:26:15" (1/1) ... [2020-09-21 11:26:15,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e164ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:15, skipping insertion in model container [2020-09-21 11:26:15,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:26:15" (1/1) ... [2020-09-21 11:26:15,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:26:15,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:26:15,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:26:15,976 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:26:16,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:26:16,200 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:26:16,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:16 WrapperNode [2020-09-21 11:26:16,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:26:16,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:26:16,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:26:16,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:26:16,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:16" (1/1) ... [2020-09-21 11:26:16,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:16" (1/1) ... [2020-09-21 11:26:16,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:16" (1/1) ... [2020-09-21 11:26:16,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:16" (1/1) ... [2020-09-21 11:26:16,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:16" (1/1) ... [2020-09-21 11:26:16,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:16" (1/1) ... [2020-09-21 11:26:16,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:16" (1/1) ... [2020-09-21 11:26:16,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:26:16,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:26:16,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:26:16,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:26:16,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:16" (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 11:26:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:26:16,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:26:16,466 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:26:16,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:26:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:26:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:26:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:26:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:26:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:26:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:26:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:26:17,700 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:26:17,700 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:26:17,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:26:17 BoogieIcfgContainer [2020-09-21 11:26:17,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:26:17,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:26:17,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:26:17,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:26:17,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:26:15" (1/3) ... [2020-09-21 11:26:17,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2993485a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:26:17, skipping insertion in model container [2020-09-21 11:26:17,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:26:16" (2/3) ... [2020-09-21 11:26:17,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2993485a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:26:17, skipping insertion in model container [2020-09-21 11:26:17,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:26:17" (3/3) ... [2020-09-21 11:26:17,726 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label27.c [2020-09-21 11:26:17,738 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:26:17,751 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:26:17,771 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:26:17,804 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:26:17,804 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:26:17,805 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:26:17,805 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:26:17,805 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:26:17,805 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:26:17,805 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:26:17,806 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:26:17,834 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 11:26:17,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-09-21 11:26:17,850 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:17,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:17,852 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:17,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:17,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1156369505, now seen corresponding path program 1 times [2020-09-21 11:26:17,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:17,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429322998] [2020-09-21 11:26:17,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:18,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:18,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:18,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:18,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:18,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-09-21 11:26:18,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:18,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-21 11:26:18,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:26:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:26:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:26:18,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:18,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:18,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:18,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:18,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:18,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:18,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:18,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:18,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:26:18,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:18,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:18,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:18,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:26:18,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:18,627 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 11:26:18,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429322998] [2020-09-21 11:26:18,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:26:18,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:26:18,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420970992] [2020-09-21 11:26:18,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:26:18,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:18,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:26:18,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:26:18,668 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-09-21 11:26:20,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:20,511 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-09-21 11:26:20,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:26:20,517 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2020-09-21 11:26:20,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:20,553 INFO L225 Difference]: With dead ends: 627 [2020-09-21 11:26:20,553 INFO L226 Difference]: Without dead ends: 327 [2020-09-21 11:26:20,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 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 11:26:20,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-09-21 11:26:20,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-09-21 11:26:20,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-21 11:26:20,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-09-21 11:26:20,653 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 101 [2020-09-21 11:26:20,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:20,654 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-09-21 11:26:20,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:20,655 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-09-21 11:26:20,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-09-21 11:26:20,662 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:20,663 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:20,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:26:20,664 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:20,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:20,664 INFO L82 PathProgramCache]: Analyzing trace with hash -78726948, now seen corresponding path program 1 times [2020-09-21 11:26:20,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:20,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [545134945] [2020-09-21 11:26:20,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:20,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:20,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:20,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:20,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:20,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-21 11:26:20,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:20,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:26:20,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:20,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:26:20,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:26:20,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:26:20,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:20,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:20,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:20,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:20,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:20,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:20,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:20,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:20,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:26:20,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:20,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:20,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:20,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:26:20,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:20,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:20,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:20,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:20,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:20,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:20,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:26:20,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:20,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:26:20,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:20,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:20,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:20,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:26:20,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:26:21,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [545134945] [2020-09-21 11:26:21,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:26:21,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:26:21,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413262679] [2020-09-21 11:26:21,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:26:21,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:21,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:26:21,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:26:21,008 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2020-09-21 11:26:22,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:22,030 INFO L93 Difference]: Finished difference Result 635 states and 968 transitions. [2020-09-21 11:26:22,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:26:22,031 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 116 [2020-09-21 11:26:22,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:22,034 INFO L225 Difference]: With dead ends: 635 [2020-09-21 11:26:22,035 INFO L226 Difference]: Without dead ends: 322 [2020-09-21 11:26:22,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:26:22,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-09-21 11:26:22,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 310. [2020-09-21 11:26:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-09-21 11:26:22,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2020-09-21 11:26:22,062 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 116 [2020-09-21 11:26:22,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:22,062 INFO L479 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2020-09-21 11:26:22,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:26:22,063 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2020-09-21 11:26:22,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-09-21 11:26:22,066 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:22,067 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:22,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:26:22,067 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:22,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:22,068 INFO L82 PathProgramCache]: Analyzing trace with hash -187133879, now seen corresponding path program 1 times [2020-09-21 11:26:22,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:22,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757706846] [2020-09-21 11:26:22,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:22,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:22,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:22,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:22,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:22,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:26:22,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:22,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:26:22,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:22,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:26:22,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:26:22,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 11:26:22,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:22,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:22,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:22,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:22,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:22,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:22,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:22,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:26:22,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:26:22,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:22,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:22,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:22,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:22,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:22,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:22,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:26:22,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:22,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:26:22,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:26:22,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:22,415 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:26:22,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1757706846] [2020-09-21 11:26:22,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:26:22,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:26:22,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795032399] [2020-09-21 11:26:22,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:22,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:22,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:22,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:22,418 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 7 states. [2020-09-21 11:26:23,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:23,920 INFO L93 Difference]: Finished difference Result 939 states and 1356 transitions. [2020-09-21 11:26:23,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:26:23,921 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-09-21 11:26:23,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:23,926 INFO L225 Difference]: With dead ends: 939 [2020-09-21 11:26:23,926 INFO L226 Difference]: Without dead ends: 635 [2020-09-21 11:26:23,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:26:23,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2020-09-21 11:26:23,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 465. [2020-09-21 11:26:23,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-09-21 11:26:23,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 645 transitions. [2020-09-21 11:26:23,972 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 645 transitions. Word has length 123 [2020-09-21 11:26:23,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:23,972 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 645 transitions. [2020-09-21 11:26:23,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:23,974 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 645 transitions. [2020-09-21 11:26:23,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-09-21 11:26:23,983 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:23,983 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:23,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:26:23,984 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:23,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:23,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1625906986, now seen corresponding path program 1 times [2020-09-21 11:26:23,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:23,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [932515706] [2020-09-21 11:26:23,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:24,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:24,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:24,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:24,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:24,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-09-21 11:26:24,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:24,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:26:24,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:26:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:26:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:26:24,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:24,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:24,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:24,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:24,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:24,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:24,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:24,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:24,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:26:24,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:24,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:26:24,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:24,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:24,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:24,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:24,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:24,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:24,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 11:26:24,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:24,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:26:24,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:26:24,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:24,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-21 11:26:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:24,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:24,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:24,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:24,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:24,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:26:24,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:24,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:24,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:24,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:24,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-21 11:26:24,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:24,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 11:26:24,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [932515706] [2020-09-21 11:26:24,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:24,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:26:24,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658407694] [2020-09-21 11:26:24,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:26:24,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:24,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:26:24,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:26:24,235 INFO L87 Difference]: Start difference. First operand 465 states and 645 transitions. Second operand 8 states. [2020-09-21 11:26:26,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:26,680 INFO L93 Difference]: Finished difference Result 1555 states and 2231 transitions. [2020-09-21 11:26:26,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:26:26,680 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2020-09-21 11:26:26,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:26,694 INFO L225 Difference]: With dead ends: 1555 [2020-09-21 11:26:26,695 INFO L226 Difference]: Without dead ends: 1096 [2020-09-21 11:26:26,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:26:26,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2020-09-21 11:26:26,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1076. [2020-09-21 11:26:26,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1076 states. [2020-09-21 11:26:26,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1414 transitions. [2020-09-21 11:26:26,771 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1414 transitions. Word has length 135 [2020-09-21 11:26:26,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:26,773 INFO L479 AbstractCegarLoop]: Abstraction has 1076 states and 1414 transitions. [2020-09-21 11:26:26,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:26:26,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1414 transitions. [2020-09-21 11:26:26,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 11:26:26,781 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:26,781 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:26,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:26:26,782 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:26,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:26,782 INFO L82 PathProgramCache]: Analyzing trace with hash 512868160, now seen corresponding path program 1 times [2020-09-21 11:26:26,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:26,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1959054281] [2020-09-21 11:26:26,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:26,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:26:26,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-21 11:26:26,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-21 11:26:26,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:26,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-09-21 11:26:26,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:26,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:26:26,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:26,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:26:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-21 11:26:26,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:27,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:27,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:27,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:27,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:27,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:27,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:27,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:27,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:27,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:27,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:27,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:27,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:27,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:27,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:27,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:27,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:27,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:27,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:27,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:27,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:27,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:27,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:27,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:27,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:27,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:27,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-21 11:26:27,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:26:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:27,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:27,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:27,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:27,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:27,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:26:27,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:27,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:26:27,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:27,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:27,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:27,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:26:27,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-21 11:26:27,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1959054281] [2020-09-21 11:26:27,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:27,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 11:26:27,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049936439] [2020-09-21 11:26:27,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:26:27,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:27,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:26:27,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:26:27,213 INFO L87 Difference]: Start difference. First operand 1076 states and 1414 transitions. Second operand 6 states. [2020-09-21 11:26:28,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:28,904 INFO L93 Difference]: Finished difference Result 3923 states and 5247 transitions. [2020-09-21 11:26:28,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:26:28,905 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2020-09-21 11:26:28,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:28,906 INFO L225 Difference]: With dead ends: 3923 [2020-09-21 11:26:28,906 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:26:28,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:26:28,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:26:28,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:26:28,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:26:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:26:28,916 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2020-09-21 11:26:28,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:28,917 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:26:28,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:26:28,917 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:26:28,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:26:28,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:26:28,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:26:29,830 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 27 [2020-09-21 11:26:29,976 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 27 [2020-09-21 11:26:30,330 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 34 [2020-09-21 11:26:30,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:26:30,546 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 11:26:30,546 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:26:30,546 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,546 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,546 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,547 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,547 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,547 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 11:26:30,547 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 11:26:30,547 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 11:26:30,548 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 11:26:30,548 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 11:26:30,548 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 11:26:30,548 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 11:26:30,548 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 11:26:30,549 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 11:26:30,549 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:26:30,549 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:26:30,549 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:26:30,549 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 11:26:30,550 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,550 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,550 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,550 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,550 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 11:26:30,551 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,551 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 11:26:30,551 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 11:26:30,551 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 11:26:30,551 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 11:26:30,552 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 11:26:30,552 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 11:26:30,552 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 11:26:30,552 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:26:30,552 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:26:30,552 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 11:26:30,553 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 11:26:30,553 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 11:26:30,553 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:26:30,553 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:26:30,553 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 11:26:30,554 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,554 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,554 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,554 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,554 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,555 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 457) no Hoare annotation was computed. [2020-09-21 11:26:30,555 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:26:30,555 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 11:26:30,555 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:26:30,555 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 11:26:30,555 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 11:26:30,555 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 11:26:30,556 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 11:26:30,556 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 11:26:30,556 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 11:26:30,556 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 11:26:30,556 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 11:26:30,557 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,557 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,557 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,557 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,557 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,558 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 11:26:30,558 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 11:26:30,558 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 11:26:30,558 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 11:26:30,558 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 11:26:30,559 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 11:26:30,559 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 11:26:30,559 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 11:26:30,559 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 11:26:30,559 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 11:26:30,560 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 11:26:30,560 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 11:26:30,560 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 11:26:30,560 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,560 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,560 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,560 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,561 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,561 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 11:26:30,561 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 11:26:30,561 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 11:26:30,561 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 11:26:30,562 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 11:26:30,562 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 11:26:30,562 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 11:26:30,562 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 11:26:30,562 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 11:26:30,563 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 11:26:30,563 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 11:26:30,563 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 11:26:30,563 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 11:26:30,563 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:26:30,563 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 11:26:30,564 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:26:30,564 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,564 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,564 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,564 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,565 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 11:26:30,565 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,565 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:26:30,565 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,565 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:26:30,566 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:26:30,566 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:26:30,566 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,566 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,566 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 11:26:30,567 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 11:26:30,567 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 11:26:30,567 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 11:26:30,567 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 11:26:30,567 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 11:26:30,568 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 11:26:30,568 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 11:26:30,568 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 11:26:30,568 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 11:26:30,568 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 11:26:30,569 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,569 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,569 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,569 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,569 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,569 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,570 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 11:26:30,570 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 11:26:30,570 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 11:26:30,570 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 11:26:30,570 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 11:26:30,571 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 11:26:30,571 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 11:26:30,571 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 11:26:30,571 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 11:26:30,571 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 11:26:30,571 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 11:26:30,571 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,572 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,572 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,572 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,572 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,572 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,572 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 11:26:30,572 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 11:26:30,572 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 11:26:30,573 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 11:26:30,573 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 11:26:30,573 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 11:26:30,573 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 11:26:30,573 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 11:26:30,573 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 11:26:30,573 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 11:26:30,573 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 11:26:30,574 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 11:26:30,574 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 11:26:30,574 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 11:26:30,574 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,574 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,574 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,575 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (not (<= |old(~a17~0)| 8))) (.cse5 (and .cse1 (= ~a17~0 |old(~a17~0)|) .cse2 .cse3 .cse4))) (and (or .cse0 (not (<= 8 |old(~a17~0)|)) (and .cse1 .cse2 .cse3 (<= 8 ~a17~0) (<= ~a17~0 8) .cse4)) (or .cse0 .cse5 (not (<= |old(~a25~0)| 0))) (or .cse0 .cse5 (not (= |old(~a11~0)| |old(~a25~0)|)))))) [2020-09-21 11:26:30,575 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,575 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,575 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,575 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 11:26:30,575 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 11:26:30,575 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 11:26:30,575 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 11:26:30,576 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 11:26:30,576 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 11:26:30,576 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 11:26:30,576 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 11:26:30,576 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 11:26:30,576 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 11:26:30,576 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 11:26:30,576 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 11:26:30,577 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 11:26:30,577 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,577 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,577 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,577 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,577 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,577 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,577 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 11:26:30,578 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 11:26:30,578 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 11:26:30,578 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 11:26:30,578 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 11:26:30,578 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 11:26:30,578 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 11:26:30,579 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 11:26:30,579 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 11:26:30,579 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 11:26:30,579 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 11:26:30,579 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:26:30,580 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:26:30,580 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 11:26:30,580 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 11:26:30,580 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 11:26:30,580 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,581 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,581 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,581 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,581 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:30,581 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 11:26:30,582 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 11:26:30,582 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 11:26:30,582 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 11:26:30,582 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 11:26:30,582 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 11:26:30,582 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 11:26:30,583 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 11:26:30,583 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 11:26:30,583 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 11:26:30,583 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 11:26:30,583 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:26:30,584 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 11:26:30,584 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:26:30,584 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 11:26:30,584 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:26:30,584 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:26:30,585 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 11:26:30,585 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 11:26:30,585 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:26:30,585 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8) (<= ~a25~0 0)) [2020-09-21 11:26:30,585 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:26:30,586 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:26:30,586 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (<= 8 ~a17~0) (<= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-09-21 11:26:30,586 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (<= 8 ~a17~0) .cse0) (and (= ~a25~0 ~a11~0) .cse0) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse0 (<= ~a25~0 0)) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-09-21 11:26:30,587 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:26:30,587 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:26:30,587 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (<= 8 ~a17~0) .cse0) (and (= ~a25~0 ~a11~0) .cse0) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse0 (<= ~a25~0 0)) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-09-21 11:26:30,587 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 11:26:30,588 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 11:26:30,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:26:30 BoogieIcfgContainer [2020-09-21 11:26:30,621 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:26:30,626 INFO L168 Benchmark]: Toolchain (without parser) took 15234.26 ms. Allocated memory was 147.3 MB in the beginning and 403.7 MB in the end (delta: 256.4 MB). Free memory was 102.3 MB in the beginning and 314.4 MB in the end (delta: -212.1 MB). Peak memory consumption was 228.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:30,627 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:26:30,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.54 ms. Allocated memory was 147.3 MB in the beginning and 206.0 MB in the end (delta: 58.7 MB). Free memory was 101.6 MB in the beginning and 172.4 MB in the end (delta: -70.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:30,631 INFO L168 Benchmark]: Boogie Preprocessor took 152.62 ms. Allocated memory is still 206.0 MB. Free memory was 172.4 MB in the beginning and 167.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:30,632 INFO L168 Benchmark]: RCFGBuilder took 1357.61 ms. Allocated memory was 206.0 MB in the beginning and 239.6 MB in the end (delta: 33.6 MB). Free memory was 167.4 MB in the beginning and 183.6 MB in the end (delta: -16.2 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:30,633 INFO L168 Benchmark]: TraceAbstraction took 12906.82 ms. Allocated memory was 239.6 MB in the beginning and 403.7 MB in the end (delta: 164.1 MB). Free memory was 179.6 MB in the beginning and 314.4 MB in the end (delta: -134.8 MB). Peak memory consumption was 213.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:30,638 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 806.54 ms. Allocated memory was 147.3 MB in the beginning and 206.0 MB in the end (delta: 58.7 MB). Free memory was 101.6 MB in the beginning and 172.4 MB in the end (delta: -70.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.62 ms. Allocated memory is still 206.0 MB. Free memory was 172.4 MB in the beginning and 167.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1357.61 ms. Allocated memory was 206.0 MB in the beginning and 239.6 MB in the end (delta: 33.6 MB). Free memory was 167.4 MB in the beginning and 183.6 MB in the end (delta: -16.2 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12906.82 ms. Allocated memory was 239.6 MB in the beginning and 403.7 MB in the end (delta: 164.1 MB). Free memory was 179.6 MB in the beginning and 314.4 MB in the end (delta: -134.8 MB). Peak memory consumption was 213.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 457]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((!(\old(a28) <= 7) || !(\old(a17) <= 8)) || (8 <= a17 && a17 <= 8)) || (a25 == a11 && a17 <= 8)) || !(8 <= \old(a17))) || !(\old(a25) <= 0)) || (a17 <= 8 && a25 <= 0)) || !(\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: 11.1s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 166 SDtfs, 2810 SDslu, 249 SDs, 0 SdLazy, 4021 SolverSat, 841 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1076occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 210 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 41 PreInvPairs, 81 NumberOfFragments, 272 HoareAnnotationTreeSize, 41 FomulaSimplifications, 36836 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1672 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 606 ConstructedInterpolants, 0 QuantifiedInterpolants, 207363 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 104/113 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...