/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:29:08,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:29:08,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:29:08,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:29:08,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:29:08,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:29:08,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:29:08,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:29:08,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:29:08,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:29:08,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:29:08,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:29:08,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:29:08,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:29:08,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:29:08,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:29:08,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:29:08,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:29:08,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:29:08,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:29:08,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:29:08,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:29:08,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:29:08,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:29:08,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:29:08,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:29:08,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:29:08,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:29:08,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:29:08,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:29:08,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:29:08,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:29:08,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:29:08,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:29:08,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:29:08,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:29:08,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:29:08,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:29:08,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:29:08,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:29:08,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:29:08,888 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 12:29:08,941 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:29:08,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:29:08,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:29:08,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:29:08,945 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:29:08,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:29:08,946 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:29:08,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:29:08,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:29:08,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:29:08,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:29:08,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:29:08,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:29:08,947 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:29:08,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:29:08,947 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:29:08,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:29:08,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:29:08,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:29:08,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:29:08,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:29:08,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:29:08,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:29:08,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:29:08,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:29:08,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:29:08,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:29:08,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:29:08,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:29:08,952 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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:29:09,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:29:09,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:29:09,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:29:09,458 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:29:09,459 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:29:09,460 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label08.c [2020-09-21 12:29:09,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8927849c4/3b3bfba5e0cd427d83251094ec02d2f3/FLAG53487ad8c [2020-09-21 12:29:10,234 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:29:10,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label08.c [2020-09-21 12:29:10,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8927849c4/3b3bfba5e0cd427d83251094ec02d2f3/FLAG53487ad8c [2020-09-21 12:29:10,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8927849c4/3b3bfba5e0cd427d83251094ec02d2f3 [2020-09-21 12:29:10,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:29:10,440 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:29:10,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:29:10,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:29:10,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:29:10,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:29:10" (1/1) ... [2020-09-21 12:29:10,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f80c2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:10, skipping insertion in model container [2020-09-21 12:29:10,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:29:10" (1/1) ... [2020-09-21 12:29:10,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:29:10,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:29:11,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:29:11,024 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:29:11,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:29:11,250 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:29:11,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:11 WrapperNode [2020-09-21 12:29:11,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:29:11,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:29:11,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:29:11,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:29:11,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:11" (1/1) ... [2020-09-21 12:29:11,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:11" (1/1) ... [2020-09-21 12:29:11,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:11" (1/1) ... [2020-09-21 12:29:11,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:11" (1/1) ... [2020-09-21 12:29:11,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:11" (1/1) ... [2020-09-21 12:29:11,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:11" (1/1) ... [2020-09-21 12:29:11,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:11" (1/1) ... [2020-09-21 12:29:11,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:29:11,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:29:11,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:29:11,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:29:11,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:11" (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 12:29:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:29:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:29:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:29:11,474 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:29:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:29:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:29:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:29:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:29:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:29:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:29:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:29:12,745 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:29:12,745 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:29:12,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:29:12 BoogieIcfgContainer [2020-09-21 12:29:12,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:29:12,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:29:12,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:29:12,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:29:12,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:29:10" (1/3) ... [2020-09-21 12:29:12,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5074d5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:29:12, skipping insertion in model container [2020-09-21 12:29:12,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:11" (2/3) ... [2020-09-21 12:29:12,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5074d5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:29:12, skipping insertion in model container [2020-09-21 12:29:12,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:29:12" (3/3) ... [2020-09-21 12:29:12,763 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label08.c [2020-09-21 12:29:12,775 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:29:12,785 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:29:12,807 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:29:12,841 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:29:12,841 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:29:12,841 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:29:12,841 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:29:12,842 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:29:12,842 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:29:12,842 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:29:12,842 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:29:12,869 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 12:29:12,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-21 12:29:12,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:12,887 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, 1, 1, 1, 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 12:29:12,888 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:12,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:12,896 INFO L82 PathProgramCache]: Analyzing trace with hash -218350154, now seen corresponding path program 1 times [2020-09-21 12:29:12,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:12,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [484550094] [2020-09-21 12:29:12,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:13,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:13,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:14,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:14,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 12:29:14,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:14,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1074 [2020-09-21 12:29:14,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:14,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:29:14,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:29:14,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-21 12:29:14,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 12:29:14,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:14,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:14,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:14,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:14,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:14,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:29:14,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:14,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:14,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:14,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:29:14,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:14,639 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 12:29:14,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [484550094] [2020-09-21 12:29:14,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:29:14,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:29:14,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029797013] [2020-09-21 12:29:14,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:14,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:14,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:14,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:14,683 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-09-21 12:29:17,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:17,148 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-09-21 12:29:17,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:29:17,151 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-09-21 12:29:17,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:17,186 INFO L225 Difference]: With dead ends: 813 [2020-09-21 12:29:17,187 INFO L226 Difference]: Without dead ends: 488 [2020-09-21 12:29:17,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:29:17,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-09-21 12:29:17,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-09-21 12:29:17,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-09-21 12:29:17,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-09-21 12:29:17,306 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 128 [2020-09-21 12:29:17,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:17,307 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-09-21 12:29:17,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:17,307 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-09-21 12:29:17,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 12:29:17,314 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:17,315 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:17,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:29:17,315 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:17,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:17,316 INFO L82 PathProgramCache]: Analyzing trace with hash 206670545, now seen corresponding path program 1 times [2020-09-21 12:29:17,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:17,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369718421] [2020-09-21 12:29:17,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:17,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:17,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:17,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:18,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:18,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-09-21 12:29:18,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:29:18,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1039 [2020-09-21 12:29:18,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:18,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:18,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:29:18,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 12:29:18,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:18,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:18,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:18,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:18,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:18,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:18,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:29:18,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:18,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:18,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:18,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:18,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:18,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:18,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:18,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:18,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:29:18,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:18,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:29:18,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:29:18,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:18,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:18,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369718421] [2020-09-21 12:29:18,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:18,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:18,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816453104] [2020-09-21 12:29:18,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:18,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:18,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:18,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:18,683 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 5 states. [2020-09-21 12:29:20,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:20,160 INFO L93 Difference]: Finished difference Result 1421 states and 2094 transitions. [2020-09-21 12:29:20,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:20,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-09-21 12:29:20,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:20,183 INFO L225 Difference]: With dead ends: 1421 [2020-09-21 12:29:20,183 INFO L226 Difference]: Without dead ends: 946 [2020-09-21 12:29:20,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:20,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-09-21 12:29:20,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 926. [2020-09-21 12:29:20,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-09-21 12:29:20,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1287 transitions. [2020-09-21 12:29:20,270 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1287 transitions. Word has length 136 [2020-09-21 12:29:20,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:20,271 INFO L479 AbstractCegarLoop]: Abstraction has 926 states and 1287 transitions. [2020-09-21 12:29:20,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:20,271 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1287 transitions. [2020-09-21 12:29:20,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-21 12:29:20,297 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:20,297 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:20,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:29:20,298 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:20,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:20,299 INFO L82 PathProgramCache]: Analyzing trace with hash 2140526213, now seen corresponding path program 1 times [2020-09-21 12:29:20,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:20,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335377249] [2020-09-21 12:29:20,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:20,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:20,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:21,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:21,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-21 12:29:21,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:21,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1034 [2020-09-21 12:29:21,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:21,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:21,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 12:29:21,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 12:29:21,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:21,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:21,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:21,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:21,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:21,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:21,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:29:21,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:21,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:21,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:21,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:21,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:21,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:21,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:21,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:21,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:29:21,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:21,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 12:29:21,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:21,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:21,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:21,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 12:29:21,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:21,732 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:21,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335377249] [2020-09-21 12:29:21,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:21,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:21,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034558446] [2020-09-21 12:29:21,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:21,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:21,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:21,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:21,735 INFO L87 Difference]: Start difference. First operand 926 states and 1287 transitions. Second operand 5 states. [2020-09-21 12:29:23,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:23,129 INFO L93 Difference]: Finished difference Result 1940 states and 2767 transitions. [2020-09-21 12:29:23,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:23,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-09-21 12:29:23,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:23,137 INFO L225 Difference]: With dead ends: 1940 [2020-09-21 12:29:23,138 INFO L226 Difference]: Without dead ends: 937 [2020-09-21 12:29:23,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:23,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-09-21 12:29:23,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 926. [2020-09-21 12:29:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-09-21 12:29:23,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1275 transitions. [2020-09-21 12:29:23,195 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1275 transitions. Word has length 142 [2020-09-21 12:29:23,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:23,197 INFO L479 AbstractCegarLoop]: Abstraction has 926 states and 1275 transitions. [2020-09-21 12:29:23,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:23,197 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1275 transitions. [2020-09-21 12:29:23,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-09-21 12:29:23,202 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:23,202 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, 1, 1, 1, 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 12:29:23,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:29:23,203 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:23,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:23,204 INFO L82 PathProgramCache]: Analyzing trace with hash 507332814, now seen corresponding path program 1 times [2020-09-21 12:29:23,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:23,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757259500] [2020-09-21 12:29:23,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:23,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:23,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:24,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:24,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-21 12:29:24,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:24,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:29:24,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-21 12:29:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-21 12:29:24,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:24,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:24,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:24,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:24,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:24,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:24,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:29:24,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:24,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:24,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:24,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:24,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:24,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:24,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:24,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:29:24,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:24,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 12:29:24,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:24,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:24,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:24,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:29:24,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:24,656 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:24,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1757259500] [2020-09-21 12:29:24,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:24,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:24,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529382360] [2020-09-21 12:29:24,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:24,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:24,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:24,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:24,661 INFO L87 Difference]: Start difference. First operand 926 states and 1275 transitions. Second operand 5 states. [2020-09-21 12:29:25,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:25,808 INFO L93 Difference]: Finished difference Result 1946 states and 2747 transitions. [2020-09-21 12:29:25,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:25,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-09-21 12:29:25,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:25,815 INFO L225 Difference]: With dead ends: 1946 [2020-09-21 12:29:25,816 INFO L226 Difference]: Without dead ends: 937 [2020-09-21 12:29:25,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:25,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-09-21 12:29:25,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 926. [2020-09-21 12:29:25,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-09-21 12:29:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1269 transitions. [2020-09-21 12:29:25,857 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1269 transitions. Word has length 150 [2020-09-21 12:29:25,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:25,858 INFO L479 AbstractCegarLoop]: Abstraction has 926 states and 1269 transitions. [2020-09-21 12:29:25,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:25,858 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1269 transitions. [2020-09-21 12:29:25,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-21 12:29:25,862 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:25,862 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:25,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:29:25,863 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:25,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:25,863 INFO L82 PathProgramCache]: Analyzing trace with hash -36437886, now seen corresponding path program 1 times [2020-09-21 12:29:25,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:25,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372412509] [2020-09-21 12:29:25,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:25,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:25,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:26,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:26,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-09-21 12:29:26,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:26,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-21 12:29:26,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:26,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:26,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 12:29:26,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 12:29:26,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:27,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:27,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:27,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:27,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:27,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:27,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:29:27,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:27,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:27,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:27,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:27,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:27,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:27,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 12:29:27,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:27,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 12:29:27,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:27,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:27,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:27,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 12:29:27,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:27,269 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:27,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372412509] [2020-09-21 12:29:27,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:27,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:29:27,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545320736] [2020-09-21 12:29:27,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:29:27,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:27,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:29:27,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:27,272 INFO L87 Difference]: Start difference. First operand 926 states and 1269 transitions. Second operand 6 states. [2020-09-21 12:29:28,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:28,693 INFO L93 Difference]: Finished difference Result 1940 states and 2724 transitions. [2020-09-21 12:29:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:28,701 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-09-21 12:29:28,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:28,707 INFO L225 Difference]: With dead ends: 1940 [2020-09-21 12:29:28,707 INFO L226 Difference]: Without dead ends: 937 [2020-09-21 12:29:28,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:29:28,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-09-21 12:29:28,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 926. [2020-09-21 12:29:28,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-09-21 12:29:28,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1266 transitions. [2020-09-21 12:29:28,737 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1266 transitions. Word has length 156 [2020-09-21 12:29:28,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:28,737 INFO L479 AbstractCegarLoop]: Abstraction has 926 states and 1266 transitions. [2020-09-21 12:29:28,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:29:28,738 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1266 transitions. [2020-09-21 12:29:28,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-21 12:29:28,741 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:28,742 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:28,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:29:28,742 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:28,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:28,743 INFO L82 PathProgramCache]: Analyzing trace with hash -49933251, now seen corresponding path program 1 times [2020-09-21 12:29:28,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:28,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1402990995] [2020-09-21 12:29:28,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:28,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:28,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:28,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:29,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:29,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-09-21 12:29:29,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:29:29,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-09-21 12:29:29,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:29,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:29,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-21 12:29:29,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-21 12:29:29,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:30,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:30,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:30,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:30,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:30,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:30,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:29:30,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:30,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:30,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:30,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:30,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:30,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:29:30,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:30,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:29:30,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:30,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:30,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 12:29:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:30,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:30,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:30,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 12:29:30,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:30,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 12:29:30,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:30,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:30,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:30,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:29:30,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 12:29:30,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1402990995] [2020-09-21 12:29:30,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:30,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:30,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246956922] [2020-09-21 12:29:30,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:30,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:30,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:30,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:30,431 INFO L87 Difference]: Start difference. First operand 926 states and 1266 transitions. Second operand 5 states. [2020-09-21 12:29:31,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:31,939 INFO L93 Difference]: Finished difference Result 1947 states and 2728 transitions. [2020-09-21 12:29:31,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:31,939 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2020-09-21 12:29:31,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:31,946 INFO L225 Difference]: With dead ends: 1947 [2020-09-21 12:29:31,947 INFO L226 Difference]: Without dead ends: 937 [2020-09-21 12:29:31,952 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:31,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-09-21 12:29:31,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 926. [2020-09-21 12:29:31,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-09-21 12:29:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1258 transitions. [2020-09-21 12:29:31,990 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1258 transitions. Word has length 165 [2020-09-21 12:29:31,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:31,991 INFO L479 AbstractCegarLoop]: Abstraction has 926 states and 1258 transitions. [2020-09-21 12:29:31,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:31,992 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1258 transitions. [2020-09-21 12:29:31,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-21 12:29:31,999 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:32,000 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:32,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:29:32,001 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:32,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:32,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1880879227, now seen corresponding path program 1 times [2020-09-21 12:29:32,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:32,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [133683057] [2020-09-21 12:29:32,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:32,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:32,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:32,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:33,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:33,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-09-21 12:29:33,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:29:33,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:29:33,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:33,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:33,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-21 12:29:33,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-21 12:29:33,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:33,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:33,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:33,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:33,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:33,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:33,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:29:33,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:33,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:33,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:33,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:33,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:33,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:33,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:33,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:33,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:29:33,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:33,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 12:29:33,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:33,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-21 12:29:33,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:33,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [133683057] [2020-09-21 12:29:33,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:33,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:33,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644048464] [2020-09-21 12:29:33,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:33,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:33,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:33,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:33,436 INFO L87 Difference]: Start difference. First operand 926 states and 1258 transitions. Second operand 5 states. [2020-09-21 12:29:34,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:34,604 INFO L93 Difference]: Finished difference Result 2590 states and 3605 transitions. [2020-09-21 12:29:34,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:34,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 198 [2020-09-21 12:29:34,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:34,620 INFO L225 Difference]: With dead ends: 2590 [2020-09-21 12:29:34,620 INFO L226 Difference]: Without dead ends: 1670 [2020-09-21 12:29:34,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:34,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2020-09-21 12:29:34,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1654. [2020-09-21 12:29:34,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1654 states. [2020-09-21 12:29:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2254 transitions. [2020-09-21 12:29:34,683 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2254 transitions. Word has length 198 [2020-09-21 12:29:34,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:34,683 INFO L479 AbstractCegarLoop]: Abstraction has 1654 states and 2254 transitions. [2020-09-21 12:29:34,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:34,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2254 transitions. [2020-09-21 12:29:34,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-09-21 12:29:34,691 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:34,692 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:34,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:29:34,692 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:34,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:34,693 INFO L82 PathProgramCache]: Analyzing trace with hash 694498944, now seen corresponding path program 1 times [2020-09-21 12:29:34,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:34,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737077469] [2020-09-21 12:29:34,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:34,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:34,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:35,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:35,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:35,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-21 12:29:35,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:29:35,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-09-21 12:29:35,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:35,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:35,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-21 12:29:35,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 12:29:35,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:35,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:35,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:35,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:35,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:35,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:35,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:29:35,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:35,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:35,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:35,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:35,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:35,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:35,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:35,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:35,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:29:35,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:35,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 12:29:35,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:35,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:35,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:35,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-21 12:29:35,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:35,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 12:29:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:36,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:36,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:36,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 12:29:36,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:36,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-09-21 12:29:36,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:36,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:36,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:29:36,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:29:36,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:36,245 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:29:36,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737077469] [2020-09-21 12:29:36,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:36,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:29:36,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515811479] [2020-09-21 12:29:36,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:29:36,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:36,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:29:36,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:29:36,247 INFO L87 Difference]: Start difference. First operand 1654 states and 2254 transitions. Second operand 7 states. [2020-09-21 12:29:38,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:38,923 INFO L93 Difference]: Finished difference Result 4243 states and 5902 transitions. [2020-09-21 12:29:38,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:29:38,924 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 275 [2020-09-21 12:29:38,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:38,937 INFO L225 Difference]: With dead ends: 4243 [2020-09-21 12:29:38,937 INFO L226 Difference]: Without dead ends: 1691 [2020-09-21 12:29:38,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:29:38,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2020-09-21 12:29:39,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1649. [2020-09-21 12:29:39,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1649 states. [2020-09-21 12:29:39,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2047 transitions. [2020-09-21 12:29:39,049 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2047 transitions. Word has length 275 [2020-09-21 12:29:39,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:39,050 INFO L479 AbstractCegarLoop]: Abstraction has 1649 states and 2047 transitions. [2020-09-21 12:29:39,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:29:39,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2047 transitions. [2020-09-21 12:29:39,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-09-21 12:29:39,061 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:39,061 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:39,061 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:29:39,061 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:39,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:39,062 INFO L82 PathProgramCache]: Analyzing trace with hash -833573530, now seen corresponding path program 1 times [2020-09-21 12:29:39,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:39,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1185749283] [2020-09-21 12:29:39,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:39,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:39,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:39,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:39,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:40,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:40,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-09-21 12:29:40,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:29:40,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1032 [2020-09-21 12:29:40,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:29:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-21 12:29:40,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:40,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:40,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:40,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:40,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:40,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:40,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:29:40,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:40,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:40,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:40,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:40,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:40,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:40,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:40,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:40,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:29:40,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:29:40,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:40,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:29:40,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:40,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 12:29:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:40,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:40,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:40,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-21 12:29:40,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:40,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-21 12:29:40,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:40,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:40,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:29:40,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-21 12:29:40,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:40,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 12:29:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:40,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:40,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:40,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 12:29:40,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:40,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 12:29:40,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:40,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:40,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-21 12:29:40,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:40,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 146 proven. 62 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-21 12:29:40,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1185749283] [2020-09-21 12:29:40,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:40,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:29:40,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005482153] [2020-09-21 12:29:40,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:29:40,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:40,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:29:40,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:29:40,790 INFO L87 Difference]: Start difference. First operand 1649 states and 2047 transitions. Second operand 7 states. [2020-09-21 12:29:41,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:41,495 INFO L93 Difference]: Finished difference Result 2703 states and 3389 transitions. [2020-09-21 12:29:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:29:41,496 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 278 [2020-09-21 12:29:41,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:41,496 INFO L225 Difference]: With dead ends: 2703 [2020-09-21 12:29:41,496 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:29:41,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:29:41,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:29:41,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:29:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:29:41,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:29:41,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 278 [2020-09-21 12:29:41,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:41,504 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:29:41,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:29:41,504 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:29:41,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:29:41,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:29:41,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:29:42,780 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 127 [2020-09-21 12:29:43,346 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 127 [2020-09-21 12:29:44,436 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 151 DAG size of output: 82 [2020-09-21 12:29:44,834 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 50 [2020-09-21 12:29:45,201 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 50 [2020-09-21 12:29:45,206 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:29:45,206 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 12:29:45,206 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:29:45,207 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,207 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,207 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,207 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,207 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,207 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 12:29:45,208 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 12:29:45,208 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 12:29:45,208 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 12:29:45,208 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 12:29:45,208 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 12:29:45,208 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 12:29:45,208 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 12:29:45,209 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 12:29:45,209 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 12:29:45,209 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:29:45,209 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:29:45,209 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 12:29:45,209 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,209 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,209 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,210 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,210 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 12:29:45,210 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,210 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 12:29:45,210 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 12:29:45,210 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 12:29:45,210 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 12:29:45,210 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 12:29:45,211 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 12:29:45,211 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 12:29:45,211 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:29:45,211 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:29:45,211 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 12:29:45,211 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 12:29:45,211 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 12:29:45,212 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:29:45,212 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:29:45,212 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 12:29:45,212 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,212 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,212 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,212 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,212 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,213 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 538) no Hoare annotation was computed. [2020-09-21 12:29:45,213 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:29:45,213 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 12:29:45,213 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:29:45,213 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 12:29:45,213 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 12:29:45,213 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 12:29:45,214 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 12:29:45,214 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 12:29:45,214 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 12:29:45,214 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 12:29:45,214 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 12:29:45,214 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,214 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,215 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,215 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,215 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,215 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 12:29:45,215 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 12:29:45,215 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 12:29:45,215 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 12:29:45,215 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 12:29:45,216 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 12:29:45,216 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 12:29:45,216 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 12:29:45,216 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 12:29:45,216 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 12:29:45,216 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 12:29:45,216 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 12:29:45,217 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 12:29:45,217 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,217 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,217 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,217 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,217 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,217 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 12:29:45,218 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 12:29:45,218 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 12:29:45,218 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 12:29:45,218 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 12:29:45,218 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 12:29:45,218 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 12:29:45,218 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 12:29:45,218 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 12:29:45,219 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 12:29:45,219 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 12:29:45,219 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 12:29:45,219 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 12:29:45,219 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:29:45,219 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 12:29:45,219 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:29:45,219 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,219 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,219 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,219 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,220 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 12:29:45,220 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,220 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:29:45,220 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,220 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:29:45,220 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:29:45,220 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:29:45,220 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,220 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,220 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 12:29:45,220 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 12:29:45,220 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 12:29:45,221 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 12:29:45,221 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 12:29:45,221 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 12:29:45,221 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 12:29:45,221 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 12:29:45,221 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 12:29:45,221 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 12:29:45,221 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 12:29:45,221 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,221 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,221 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,222 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,222 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,222 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,222 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 12:29:45,222 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 12:29:45,222 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 12:29:45,222 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 12:29:45,222 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 12:29:45,222 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 12:29:45,222 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 12:29:45,222 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 12:29:45,222 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 12:29:45,223 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 12:29:45,223 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 12:29:45,223 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,223 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,223 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,223 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,223 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,223 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,223 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 12:29:45,223 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 12:29:45,223 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 12:29:45,223 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 12:29:45,224 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 12:29:45,224 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 12:29:45,224 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 12:29:45,224 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 12:29:45,224 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 12:29:45,224 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 12:29:45,224 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 12:29:45,224 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 12:29:45,224 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 12:29:45,224 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 12:29:45,224 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,224 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,225 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,225 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse15 (= ~a25~0 1)) (.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse11 (= ~a17~0 8)) (.cse9 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse7 .cse8 .cse11 (= 7 ~a28~0) .cse9)) (.cse3 (not (= 7 |old(~a28~0)|))) (.cse12 (= |old(~a11~0)| 1)) (.cse2 (not (= ~a21~0 1))) (.cse4 (not (<= |old(~a28~0)| 10))) (.cse14 (and .cse5 .cse7 .cse11 .cse15 .cse9)) (.cse1 (not (= 8 |old(~a17~0)|))) (.cse13 (not (= |old(~a25~0)| 1))) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse10 (not (<= |old(~a17~0)| 7)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= |old(~a19~0)| 0))) (or .cse4 (and .cse5 .cse6 .cse7 .cse8 .cse9) .cse10) (or .cse4 (and .cse5 .cse7 .cse8 .cse11 .cse9) .cse1 .cse12) (or (= |old(~a19~0)| 1) .cse0 .cse1 (not (= 0 |old(~a25~0)|)) .cse2 .cse3) (or .cse13 .cse14 .cse1 .cse12) (or (not (<= |old(~a19~0)| 1)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 1)) (not (<= 1 |old(~a19~0)|)) (and .cse6 (<= 1 ~a11~0) (<= 9 ~a28~0) .cse8 (<= ~a11~0 1) (<= ~a28~0 9) .cse9) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a28~0)| 9)) .cse2 (not (<= 1 |old(~a11~0)|)) (not (<= 9 |old(~a28~0)|))) (or .cse13 .cse4 .cse14 .cse1) (or .cse13 (and .cse5 .cse6 .cse7 .cse15 .cse9) .cse10 (not (<= |old(~a11~0)| 0)))))) [2020-09-21 12:29:45,225 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,225 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,226 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,226 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 12:29:45,226 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 12:29:45,226 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 12:29:45,226 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 12:29:45,226 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 12:29:45,226 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 12:29:45,227 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 12:29:45,227 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 12:29:45,227 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 12:29:45,227 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 12:29:45,227 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 12:29:45,227 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 12:29:45,227 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 12:29:45,228 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,228 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,228 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,228 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,228 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,228 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,228 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 12:29:45,228 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 12:29:45,229 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 12:29:45,229 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 12:29:45,229 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 12:29:45,229 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 12:29:45,229 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 12:29:45,229 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 12:29:45,229 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 12:29:45,230 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 12:29:45,230 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 12:29:45,230 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:29:45,230 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:29:45,230 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 12:29:45,230 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 12:29:45,230 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 12:29:45,230 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,231 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,231 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,231 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,231 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:29:45,231 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 12:29:45,231 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 12:29:45,231 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 12:29:45,231 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 12:29:45,232 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 12:29:45,232 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 12:29:45,232 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 12:29:45,232 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 12:29:45,232 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 12:29:45,232 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 12:29:45,232 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 12:29:45,232 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:29:45,233 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 12:29:45,233 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:29:45,233 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 12:29:45,233 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:29:45,233 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:29:45,233 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 12:29:45,233 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 12:29:45,233 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:29:45,233 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a17~0 8) (<= ~a28~0 10)) [2020-09-21 12:29:45,234 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:29:45,234 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:29:45,234 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 10)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a11~0)| 0))) [2020-09-21 12:29:45,234 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1)) (.cse3 (not (= ~a11~0 1))) (.cse1 (= ~a17~0 8)) (.cse2 (= 7 ~a28~0)) (.cse0 (= ~a21~0 1)) (.cse4 (<= ~a28~0 10))) (or (not (<= |old(~a28~0)| 10)) (and (<= ~a19~0 0) .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4) (not (= 8 |old(~a17~0)|)) (and (= ~a17~0 |old(~a17~0)|) .cse5 .cse4) (and .cse1 .cse5 .cse3) (not (<= |old(~a11~0)| 0)) (and (= ~a25~0 0) .cse0 .cse1 (not (= ~a19~0 1)) .cse2) (and (<= 9 ~a28~0) .cse0 (<= ~a19~0 1) (<= ~a28~0 9) (<= ~a17~0 8) (<= ~a25~0 0) (<= 1 ~a19~0)) (and (<= ~a17~0 7) .cse4))) [2020-09-21 12:29:45,234 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:29:45,234 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:29:45,235 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1)) (.cse3 (not (= ~a11~0 1))) (.cse1 (= ~a17~0 8)) (.cse2 (= 7 ~a28~0)) (.cse0 (= ~a21~0 1)) (.cse4 (<= ~a28~0 10))) (or (not (<= |old(~a28~0)| 10)) (and (<= ~a19~0 0) .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4) (not (= 8 |old(~a17~0)|)) (and (= ~a17~0 |old(~a17~0)|) .cse5 .cse4) (and .cse1 .cse5 .cse3) (not (<= |old(~a11~0)| 0)) (and (= ~a25~0 0) .cse0 .cse1 (not (= ~a19~0 1)) .cse2) (and (<= 9 ~a28~0) .cse0 (<= ~a19~0 1) (<= ~a28~0 9) (<= ~a17~0 8) (<= ~a25~0 0) (<= 1 ~a19~0)) (and (<= ~a17~0 7) .cse4))) [2020-09-21 12:29:45,235 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 12:29:45,235 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 12:29:45,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:29:45 BoogieIcfgContainer [2020-09-21 12:29:45,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:29:45,264 INFO L168 Benchmark]: Toolchain (without parser) took 34827.56 ms. Allocated memory was 140.5 MB in the beginning and 665.8 MB in the end (delta: 525.3 MB). Free memory was 101.3 MB in the beginning and 575.8 MB in the end (delta: -474.6 MB). Peak memory consumption was 495.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:45,265 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:29:45,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 810.63 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 100.6 MB in the beginning and 172.1 MB in the end (delta: -71.5 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:45,267 INFO L168 Benchmark]: Boogie Preprocessor took 111.40 ms. Allocated memory is still 205.5 MB. Free memory was 172.1 MB in the beginning and 167.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:45,267 INFO L168 Benchmark]: RCFGBuilder took 1389.59 ms. Allocated memory was 205.5 MB in the beginning and 240.1 MB in the end (delta: 34.6 MB). Free memory was 167.3 MB in the beginning and 183.0 MB in the end (delta: -15.7 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:45,268 INFO L168 Benchmark]: TraceAbstraction took 32507.62 ms. Allocated memory was 240.1 MB in the beginning and 665.8 MB in the end (delta: 425.7 MB). Free memory was 183.0 MB in the beginning and 575.8 MB in the end (delta: -392.8 MB). Peak memory consumption was 477.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:45,272 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 810.63 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 100.6 MB in the beginning and 172.1 MB in the end (delta: -71.5 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.40 ms. Allocated memory is still 205.5 MB. Free memory was 172.1 MB in the beginning and 167.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1389.59 ms. Allocated memory was 205.5 MB in the beginning and 240.1 MB in the end (delta: 34.6 MB). Free memory was 167.3 MB in the beginning and 183.0 MB in the end (delta: -15.7 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32507.62 ms. Allocated memory was 240.1 MB in the beginning and 665.8 MB in the end (delta: 425.7 MB). Free memory was 183.0 MB in the beginning and 575.8 MB in the end (delta: -392.8 MB). Peak memory consumption was 477.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 538]: 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) <= 10) || (((a19 <= 0 && a21 == 1) && a17 == 8) && 7 == a28)) || ((a17 == 8 && !(a11 == 1)) && a28 <= 10)) || !(8 == \old(a17))) || ((a17 == \old(a17) && a25 == 1) && a28 <= 10)) || ((a17 == 8 && a25 == 1) && !(a11 == 1))) || !(\old(a11) <= 0)) || ((((a25 == 0 && a21 == 1) && a17 == 8) && !(a19 == 1)) && 7 == a28)) || ((((((9 <= a28 && a21 == 1) && a19 <= 1) && a28 <= 9) && a17 <= 8) && a25 <= 0) && 1 <= a19)) || (a17 <= 7 && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.6s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 331 SDtfs, 3392 SDslu, 343 SDs, 0 SdLazy, 7114 SolverSat, 1113 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 64 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1654occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 129 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 85 PreInvPairs, 131 NumberOfFragments, 568 HoareAnnotationTreeSize, 85 FomulaSimplifications, 236808 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2712 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 12.2s InterpolantComputationTime, 1628 NumberOfCodeBlocks, 1628 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1619 ConstructedInterpolants, 0 QuantifiedInterpolants, 1808602 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 514/585 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...