/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:56:40,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:56:40,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:56:40,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:56:40,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:56:40,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:56:40,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:56:40,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:56:40,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:56:40,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:56:40,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:56:40,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:56:40,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:56:40,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:56:40,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:56:40,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:56:40,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:56:40,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:56:40,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:56:40,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:56:40,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:56:40,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:56:40,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:56:40,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:56:40,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:56:40,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:56:40,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:56:40,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:56:40,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:56:40,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:56:40,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:56:40,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:56:40,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:56:40,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:56:40,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:56:40,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:56:40,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:56:40,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:56:40,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:56:40,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:56:40,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:56:40,406 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 08:56:40,446 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:56:40,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:56:40,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:56:40,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:56:40,450 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:56:40,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:56:40,450 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:56:40,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:56:40,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:56:40,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:56:40,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:56:40,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:56:40,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:56:40,453 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:56:40,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:56:40,453 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:56:40,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:56:40,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:56:40,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:56:40,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:56:40,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:56:40,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:56:40,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:56:40,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:56:40,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:56:40,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:56:40,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:56:40,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:56:40,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:56:40,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:56:40,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:56:40,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:56:40,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:56:40,819 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:56:40,820 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:56:40,820 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label59.c [2020-10-13 08:56:40,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad0b3d3cd/869429ba77dd4b09bf52189d4b449e9f/FLAG74b8e3b16 [2020-10-13 08:56:41,456 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:56:41,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label59.c [2020-10-13 08:56:41,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad0b3d3cd/869429ba77dd4b09bf52189d4b449e9f/FLAG74b8e3b16 [2020-10-13 08:56:41,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad0b3d3cd/869429ba77dd4b09bf52189d4b449e9f [2020-10-13 08:56:41,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:56:41,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:56:41,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:56:41,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:56:41,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:56:41,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:56:41" (1/1) ... [2020-10-13 08:56:41,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb58955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:41, skipping insertion in model container [2020-10-13 08:56:41,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:56:41" (1/1) ... [2020-10-13 08:56:41,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:56:41,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:56:42,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:56:42,486 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:56:42,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:56:42,658 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:56:42,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:42 WrapperNode [2020-10-13 08:56:42,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:56:42,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:56:42,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:56:42,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:56:42,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:42" (1/1) ... [2020-10-13 08:56:42,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:42" (1/1) ... [2020-10-13 08:56:42,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:42" (1/1) ... [2020-10-13 08:56:42,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:42" (1/1) ... [2020-10-13 08:56:42,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:42" (1/1) ... [2020-10-13 08:56:42,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:42" (1/1) ... [2020-10-13 08:56:42,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:42" (1/1) ... [2020-10-13 08:56:42,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:56:42,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:56:42,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:56:42,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:56:42,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:56:42,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:56:42,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:56:42,863 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:56:42,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:56:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:56:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:56:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:56:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:56:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:56:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:56:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:56:44,458 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:56:44,458 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:56:44,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:56:44 BoogieIcfgContainer [2020-10-13 08:56:44,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:56:44,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:56:44,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:56:44,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:56:44,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:56:41" (1/3) ... [2020-10-13 08:56:44,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c192709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:56:44, skipping insertion in model container [2020-10-13 08:56:44,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:56:42" (2/3) ... [2020-10-13 08:56:44,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c192709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:56:44, skipping insertion in model container [2020-10-13 08:56:44,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:56:44" (3/3) ... [2020-10-13 08:56:44,473 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label59.c [2020-10-13 08:56:44,484 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:56:44,491 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:56:44,505 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:56:44,531 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:56:44,531 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:56:44,531 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:56:44,532 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:56:44,532 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:56:44,532 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:56:44,532 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:56:44,532 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:56:44,555 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-13 08:56:44,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 08:56:44,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:56:44,564 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] [2020-10-13 08:56:44,564 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:56:44,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:56:44,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1317211861, now seen corresponding path program 1 times [2020-10-13 08:56:44,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:56:44,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478766158] [2020-10-13 08:56:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:56:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:44,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:45,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:45,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 08:56:45,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:56:45,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 423 [2020-10-13 08:56:45,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:45,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:56:45,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:56:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-13 08:56:45,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:56:45,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:56:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:45,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:45,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:45,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:56:45,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:56:45,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:56:45,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:56:45,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:56:45,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:56:45,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:56:45,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:56:45,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478766158] [2020-10-13 08:56:45,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:56:45,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 08:56:45,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127178510] [2020-10-13 08:56:45,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:56:45,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:56:45,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:56:45,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:56:45,352 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-10-13 08:56:47,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:56:47,298 INFO L93 Difference]: Finished difference Result 698 states and 1241 transitions. [2020-10-13 08:56:47,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:56:47,300 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2020-10-13 08:56:47,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:56:47,318 INFO L225 Difference]: With dead ends: 698 [2020-10-13 08:56:47,318 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:56:47,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:56:47,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:56:47,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2020-10-13 08:56:47,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-13 08:56:47,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 604 transitions. [2020-10-13 08:56:47,405 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 604 transitions. Word has length 46 [2020-10-13 08:56:47,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:56:47,406 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 604 transitions. [2020-10-13 08:56:47,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:56:47,406 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 604 transitions. [2020-10-13 08:56:47,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-13 08:56:47,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:56:47,412 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:56:47,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:56:47,413 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:56:47,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:56:47,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1317882645, now seen corresponding path program 1 times [2020-10-13 08:56:47,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:56:47,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [404526492] [2020-10-13 08:56:47,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:56:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:47,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:47,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:47,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:48,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:48,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 08:56:48,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:56:48,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1200 [2020-10-13 08:56:48,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:48,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:56:48,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 08:56:48,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 08:56:48,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:56:48,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:56:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:48,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:48,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:48,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:56:48,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:56:48,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:56:48,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:56:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:56:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:56:48,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:56:48,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:56:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:48,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:48,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:48,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 08:56:48,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:56:48,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 08:56:48,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:48,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:56:48,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:56:48,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 08:56:48,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:56:48,968 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:56:48,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [404526492] [2020-10-13 08:56:48,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:56:48,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:56:48,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026476802] [2020-10-13 08:56:48,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:56:48,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:56:48,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:56:48,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:56:48,973 INFO L87 Difference]: Start difference. First operand 374 states and 604 transitions. Second operand 5 states. [2020-10-13 08:56:50,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:56:50,095 INFO L93 Difference]: Finished difference Result 781 states and 1250 transitions. [2020-10-13 08:56:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:56:50,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-10-13 08:56:50,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:56:50,099 INFO L225 Difference]: With dead ends: 781 [2020-10-13 08:56:50,100 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:56:50,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:56:50,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:56:50,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2020-10-13 08:56:50,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-13 08:56:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 550 transitions. [2020-10-13 08:56:50,127 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 550 transitions. Word has length 115 [2020-10-13 08:56:50,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:56:50,128 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 550 transitions. [2020-10-13 08:56:50,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:56:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 550 transitions. [2020-10-13 08:56:50,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-13 08:56:50,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:56:50,131 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:56:50,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:56:50,131 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:56:50,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:56:50,131 INFO L82 PathProgramCache]: Analyzing trace with hash -781180306, now seen corresponding path program 1 times [2020-10-13 08:56:50,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:56:50,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [860756669] [2020-10-13 08:56:50,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:56:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:50,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:50,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:50,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:50,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:50,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 08:56:50,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:56:50,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 629 [2020-10-13 08:56:50,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:50,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:56:50,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 08:56:50,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 08:56:50,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:56:50,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:56:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:50,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:50,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:50,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:56:50,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:56:50,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:56:50,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:50,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:56:50,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:56:50,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:56:50,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:56:50,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:56:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:50,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:51,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:51,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:56:51,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:56:51,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 08:56:51,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:51,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:56:51,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:56:51,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 08:56:51,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:56:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:56:51,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [860756669] [2020-10-13 08:56:51,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:56:51,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:56:51,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587751440] [2020-10-13 08:56:51,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:56:51,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:56:51,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:56:51,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:56:51,087 INFO L87 Difference]: Start difference. First operand 374 states and 550 transitions. Second operand 5 states. [2020-10-13 08:56:52,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:56:52,051 INFO L93 Difference]: Finished difference Result 781 states and 1142 transitions. [2020-10-13 08:56:52,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:56:52,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-10-13 08:56:52,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:56:52,055 INFO L225 Difference]: With dead ends: 781 [2020-10-13 08:56:52,055 INFO L226 Difference]: Without dead ends: 380 [2020-10-13 08:56:52,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:56:52,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-13 08:56:52,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2020-10-13 08:56:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-13 08:56:52,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 490 transitions. [2020-10-13 08:56:52,077 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 490 transitions. Word has length 116 [2020-10-13 08:56:52,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:56:52,078 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 490 transitions. [2020-10-13 08:56:52,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:56:52,078 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2020-10-13 08:56:52,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-13 08:56:52,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:56:52,081 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:56:52,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:56:52,082 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:56:52,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:56:52,082 INFO L82 PathProgramCache]: Analyzing trace with hash 976098381, now seen corresponding path program 1 times [2020-10-13 08:56:52,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:56:52,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [827064578] [2020-10-13 08:56:52,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:56:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:52,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:52,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:53,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:53,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 08:56:53,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:56:53,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 998 [2020-10-13 08:56:53,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:53,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:56:53,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:56:53,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 08:56:53,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:56:53,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:56:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:53,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:53,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:53,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:56:53,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:56:53,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:56:53,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:53,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:56:53,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:56:53,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:56:53,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:56:53,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:56:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:53,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:53,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:53,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:56:53,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:56:53,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 08:56:53,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:53,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:56:53,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:56:53,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:56:53,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:56:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:56:53,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [827064578] [2020-10-13 08:56:53,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:56:53,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:56:53,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226938716] [2020-10-13 08:56:53,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:56:53,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:56:53,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:56:53,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:56:53,333 INFO L87 Difference]: Start difference. First operand 374 states and 490 transitions. Second operand 5 states. [2020-10-13 08:56:54,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:56:54,599 INFO L93 Difference]: Finished difference Result 1116 states and 1483 transitions. [2020-10-13 08:56:54,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:56:54,600 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-10-13 08:56:54,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:56:54,605 INFO L225 Difference]: With dead ends: 1116 [2020-10-13 08:56:54,605 INFO L226 Difference]: Without dead ends: 748 [2020-10-13 08:56:54,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:56:54,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-13 08:56:54,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 560. [2020-10-13 08:56:54,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:56:54,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 687 transitions. [2020-10-13 08:56:54,636 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 687 transitions. Word has length 119 [2020-10-13 08:56:54,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:56:54,638 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 687 transitions. [2020-10-13 08:56:54,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:56:54,638 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 687 transitions. [2020-10-13 08:56:54,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 08:56:54,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:56:54,645 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:56:54,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:56:54,646 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:56:54,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:56:54,646 INFO L82 PathProgramCache]: Analyzing trace with hash -2001791450, now seen corresponding path program 1 times [2020-10-13 08:56:54,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:56:54,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485060649] [2020-10-13 08:56:54,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:56:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:54,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:54,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:55,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:55,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:55,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 08:56:55,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:56:55,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1037 [2020-10-13 08:56:55,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:56:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 08:56:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 08:56:55,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:56:55,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:56:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:55,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:55,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:55,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:56:55,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:56:55,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:56:55,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:56:55,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:56:55,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:56:55,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:56:55,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:56:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:55,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:55,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:55,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:56:55,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:56:55,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-13 08:56:55,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:55,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:56:55,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:56:55,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:56:55,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:56:55,949 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:56:55,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485060649] [2020-10-13 08:56:55,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:56:55,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:56:55,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840339589] [2020-10-13 08:56:55,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:56:55,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:56:55,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:56:55,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:56:55,952 INFO L87 Difference]: Start difference. First operand 560 states and 687 transitions. Second operand 5 states. [2020-10-13 08:56:56,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:56:56,873 INFO L93 Difference]: Finished difference Result 1136 states and 1401 transitions. [2020-10-13 08:56:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:56:56,873 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-13 08:56:56,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:56:56,879 INFO L225 Difference]: With dead ends: 1136 [2020-10-13 08:56:56,879 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:56:56,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:56:56,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:56:56,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:56:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:56:56,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 685 transitions. [2020-10-13 08:56:56,908 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 685 transitions. Word has length 120 [2020-10-13 08:56:56,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:56:56,908 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 685 transitions. [2020-10-13 08:56:56,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:56:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 685 transitions. [2020-10-13 08:56:56,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-13 08:56:56,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:56:56,912 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:56:56,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:56:56,913 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:56:56,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:56:56,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1587948799, now seen corresponding path program 1 times [2020-10-13 08:56:56,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:56:56,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917202085] [2020-10-13 08:56:56,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:56:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:56,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:57,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:57,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:58,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:58,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 08:56:58,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:56:58,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1387 [2020-10-13 08:56:58,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:58,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:56:58,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 08:56:58,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 08:56:58,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:56:58,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:56:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:58,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:58,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:58,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:56:58,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:56:58,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:56:58,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:58,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:56:58,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:56:58,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:56:58,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:56:58,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:56:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:58,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:58,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:56:58,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 08:56:58,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:56:58,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 08:56:58,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:56:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:56:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:56:58,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 08:56:58,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:56:58,548 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:56:58,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917202085] [2020-10-13 08:56:58,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:56:58,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:56:58,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758937919] [2020-10-13 08:56:58,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:56:58,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:56:58,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:56:58,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:56:58,552 INFO L87 Difference]: Start difference. First operand 560 states and 685 transitions. Second operand 5 states. [2020-10-13 08:56:59,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:56:59,334 INFO L93 Difference]: Finished difference Result 1131 states and 1392 transitions. [2020-10-13 08:56:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:56:59,335 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-10-13 08:56:59,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:56:59,338 INFO L225 Difference]: With dead ends: 1131 [2020-10-13 08:56:59,339 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:56:59,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:56:59,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:56:59,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:56:59,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:56:59,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 681 transitions. [2020-10-13 08:56:59,364 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 681 transitions. Word has length 141 [2020-10-13 08:56:59,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:56:59,364 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 681 transitions. [2020-10-13 08:56:59,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:56:59,364 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 681 transitions. [2020-10-13 08:56:59,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 08:56:59,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:56:59,367 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:56:59,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:56:59,367 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:56:59,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:56:59,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1425206059, now seen corresponding path program 1 times [2020-10-13 08:56:59,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:56:59,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [623352706] [2020-10-13 08:56:59,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:56:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:56:59,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:56:59,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:00,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:00,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:00,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-13 08:57:00,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:57:00,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 949 [2020-10-13 08:57:00,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:57:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-13 08:57:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 08:57:00,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:57:00,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:57:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:57:00,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:00,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:00,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:57:00,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:57:00,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:57:00,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:00,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:57:00,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:57:00,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:57:00,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:57:00,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:57:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:57:00,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:00,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:00,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-13 08:57:00,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:57:00,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 08:57:00,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:57:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:57:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 08:57:00,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:57:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:57:00,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [623352706] [2020-10-13 08:57:00,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:57:00,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:57:00,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286867537] [2020-10-13 08:57:00,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:57:00,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:57:00,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:57:00,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:57:00,647 INFO L87 Difference]: Start difference. First operand 560 states and 681 transitions. Second operand 5 states. [2020-10-13 08:57:01,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:57:01,515 INFO L93 Difference]: Finished difference Result 1145 states and 1398 transitions. [2020-10-13 08:57:01,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:57:01,517 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-10-13 08:57:01,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:57:01,521 INFO L225 Difference]: With dead ends: 1145 [2020-10-13 08:57:01,522 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 08:57:01,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:57:01,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 08:57:01,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-13 08:57:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-13 08:57:01,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 679 transitions. [2020-10-13 08:57:01,545 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 679 transitions. Word has length 147 [2020-10-13 08:57:01,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:57:01,546 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 679 transitions. [2020-10-13 08:57:01,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:57:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 679 transitions. [2020-10-13 08:57:01,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-13 08:57:01,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:57:01,552 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:57:01,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:57:01,552 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:57:01,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:57:01,553 INFO L82 PathProgramCache]: Analyzing trace with hash -127787839, now seen corresponding path program 1 times [2020-10-13 08:57:01,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:57:01,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1422358247] [2020-10-13 08:57:01,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:57:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:57:01,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:01,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:02,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:02,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-13 08:57:02,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:57:02,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 754 [2020-10-13 08:57:02,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:02,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:57:02,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-13 08:57:02,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 08:57:02,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:57:02,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:57:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:57:02,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:02,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:02,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:57:02,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:57:02,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:57:02,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:02,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:57:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:57:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:57:02,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:57:02,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:57:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:57:02,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:02,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:02,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 08:57:02,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:57:02,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-13 08:57:02,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:02,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:57:02,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:57:02,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-13 08:57:02,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:57:02,716 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:57:02,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1422358247] [2020-10-13 08:57:02,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:57:02,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:57:02,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683634609] [2020-10-13 08:57:02,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:57:02,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:57:02,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:57:02,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:57:02,719 INFO L87 Difference]: Start difference. First operand 560 states and 679 transitions. Second operand 5 states. [2020-10-13 08:57:04,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:57:04,239 INFO L93 Difference]: Finished difference Result 1490 states and 1874 transitions. [2020-10-13 08:57:04,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:57:04,241 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2020-10-13 08:57:04,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:57:04,250 INFO L225 Difference]: With dead ends: 1490 [2020-10-13 08:57:04,250 INFO L226 Difference]: Without dead ends: 936 [2020-10-13 08:57:04,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:57:04,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2020-10-13 08:57:04,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 928. [2020-10-13 08:57:04,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 928 states. [2020-10-13 08:57:04,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1142 transitions. [2020-10-13 08:57:04,302 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1142 transitions. Word has length 173 [2020-10-13 08:57:04,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:57:04,303 INFO L479 AbstractCegarLoop]: Abstraction has 928 states and 1142 transitions. [2020-10-13 08:57:04,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:57:04,303 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1142 transitions. [2020-10-13 08:57:04,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-13 08:57:04,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:57:04,310 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:57:04,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:57:04,310 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:57:04,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:57:04,311 INFO L82 PathProgramCache]: Analyzing trace with hash 613471034, now seen corresponding path program 1 times [2020-10-13 08:57:04,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:57:04,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1455924493] [2020-10-13 08:57:04,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:57:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:57:04,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:04,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:05,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:05,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:05,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-13 08:57:05,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:57:05,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1285 [2020-10-13 08:57:05,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:57:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 154 [2020-10-13 08:57:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 08:57:05,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:57:05,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:57:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:57:05,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:05,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:05,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:57:05,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:57:05,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:57:05,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:05,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:57:05,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:57:05,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:57:05,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:57:05,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:57:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:57:05,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:05,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:05,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 08:57:05,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:57:05,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-13 08:57:05,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:05,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:57:05,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:57:05,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-13 08:57:05,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:57:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:57:06,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1455924493] [2020-10-13 08:57:06,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:57:06,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:57:06,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977089488] [2020-10-13 08:57:06,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:57:06,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:57:06,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:57:06,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:57:06,022 INFO L87 Difference]: Start difference. First operand 928 states and 1142 transitions. Second operand 5 states. [2020-10-13 08:57:06,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:57:06,914 INFO L93 Difference]: Finished difference Result 1866 states and 2319 transitions. [2020-10-13 08:57:06,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:57:06,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 190 [2020-10-13 08:57:06,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:57:06,929 INFO L225 Difference]: With dead ends: 1866 [2020-10-13 08:57:06,930 INFO L226 Difference]: Without dead ends: 936 [2020-10-13 08:57:06,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:57:06,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2020-10-13 08:57:06,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 928. [2020-10-13 08:57:06,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 928 states. [2020-10-13 08:57:06,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1138 transitions. [2020-10-13 08:57:06,980 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1138 transitions. Word has length 190 [2020-10-13 08:57:06,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:57:06,981 INFO L479 AbstractCegarLoop]: Abstraction has 928 states and 1138 transitions. [2020-10-13 08:57:06,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:57:06,981 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1138 transitions. [2020-10-13 08:57:06,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-13 08:57:06,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:57:06,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:57:06,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:57:06,989 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:57:06,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:57:06,990 INFO L82 PathProgramCache]: Analyzing trace with hash 771414725, now seen corresponding path program 1 times [2020-10-13 08:57:06,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:57:06,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1677342836] [2020-10-13 08:57:06,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:57:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:57:07,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:07,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:08,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:09,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:09,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-13 08:57:09,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:57:09,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2819 [2020-10-13 08:57:09,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:09,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:57:09,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-10-13 08:57:09,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 08:57:09,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:57:09,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:57:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:57:09,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:09,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:09,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:57:09,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:57:09,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:57:09,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:57:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:57:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:57:09,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:57:09,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:57:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:57:10,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:10,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:10,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 08:57:10,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:57:10,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-13 08:57:10,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:10,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:57:10,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:57:10,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-13 08:57:10,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:57:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:57:10,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1677342836] [2020-10-13 08:57:10,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:57:10,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:57:10,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244468483] [2020-10-13 08:57:10,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:57:10,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:57:10,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:57:10,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:57:10,305 INFO L87 Difference]: Start difference. First operand 928 states and 1138 transitions. Second operand 5 states. [2020-10-13 08:57:11,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:57:11,785 INFO L93 Difference]: Finished difference Result 2594 states and 3224 transitions. [2020-10-13 08:57:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:57:11,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 219 [2020-10-13 08:57:11,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:57:11,796 INFO L225 Difference]: With dead ends: 2594 [2020-10-13 08:57:11,796 INFO L226 Difference]: Without dead ends: 1672 [2020-10-13 08:57:11,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:57:11,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-10-13 08:57:11,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1298. [2020-10-13 08:57:11,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1298 states. [2020-10-13 08:57:11,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1580 transitions. [2020-10-13 08:57:11,854 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1580 transitions. Word has length 219 [2020-10-13 08:57:11,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:57:11,854 INFO L479 AbstractCegarLoop]: Abstraction has 1298 states and 1580 transitions. [2020-10-13 08:57:11,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:57:11,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1580 transitions. [2020-10-13 08:57:11,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-13 08:57:11,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:57:11,859 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:57:11,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:57:11,860 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:57:11,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:57:11,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1372948778, now seen corresponding path program 1 times [2020-10-13 08:57:11,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:57:11,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1346950710] [2020-10-13 08:57:11,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:57:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:57:11,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:12,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:12,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:13,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:14,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:14,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-13 08:57:14,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:57:14,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2610 [2020-10-13 08:57:14,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:14,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:57:14,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 188 [2020-10-13 08:57:14,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 08:57:14,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:57:14,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:57:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:57:14,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:14,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:14,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:57:14,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:57:14,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:57:14,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:14,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:57:14,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:57:14,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:57:14,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:57:14,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:57:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:57:14,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:57:14,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:57:14,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 08:57:14,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:57:14,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-13 08:57:14,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:57:14,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:57:14,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:57:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-13 08:57:14,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:57:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:57:14,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1346950710] [2020-10-13 08:57:14,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:57:14,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:57:14,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722011636] [2020-10-13 08:57:14,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:57:14,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:57:14,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:57:14,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:57:14,908 INFO L87 Difference]: Start difference. First operand 1298 states and 1580 transitions. Second operand 5 states. [2020-10-13 08:57:15,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:57:15,700 INFO L93 Difference]: Finished difference Result 2443 states and 2974 transitions. [2020-10-13 08:57:15,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:57:15,703 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 224 [2020-10-13 08:57:15,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:57:15,704 INFO L225 Difference]: With dead ends: 2443 [2020-10-13 08:57:15,704 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:57:15,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:57:15,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:57:15,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:57:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:57:15,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:57:15,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2020-10-13 08:57:15,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:57:15,711 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:57:15,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:57:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:57:15,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:57:15,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:57:15,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:57:16,007 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 47 [2020-10-13 08:57:16,159 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 47 [2020-10-13 08:57:16,617 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 89 [2020-10-13 08:57:16,758 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-10-13 08:57:16,877 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-10-13 08:57:16,881 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:57:16,882 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-13 08:57:16,882 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:57:16,882 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-13 08:57:16,882 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-13 08:57:16,882 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,882 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,883 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,883 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-13 08:57:16,883 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:57:16,883 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:57:16,883 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:57:16,883 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-13 08:57:16,883 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-13 08:57:16,884 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-13 08:57:16,884 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-13 08:57:16,884 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,884 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,884 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,884 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-13 08:57:16,884 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-13 08:57:16,884 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:57:16,885 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:57:16,885 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:57:16,885 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-13 08:57:16,885 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-13 08:57:16,885 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-13 08:57:16,885 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,885 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,885 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,886 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-13 08:57:16,886 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:57:16,886 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:57:16,886 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:57:16,886 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-13 08:57:16,886 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-13 08:57:16,886 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-13 08:57:16,886 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-13 08:57:16,886 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-13 08:57:16,887 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,887 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,887 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,887 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-13 08:57:16,887 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:57:16,887 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:57:16,887 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:57:16,887 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-13 08:57:16,888 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-13 08:57:16,888 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-13 08:57:16,888 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,888 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,888 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,888 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-13 08:57:16,888 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:57:16,888 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:57:16,889 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:57:16,889 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-13 08:57:16,889 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-13 08:57:16,889 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-13 08:57:16,889 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-13 08:57:16,889 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-13 08:57:16,889 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,889 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,889 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,889 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,890 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-13 08:57:16,890 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:57:16,890 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:57:16,890 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:57:16,890 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-13 08:57:16,890 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-13 08:57:16,890 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-13 08:57:16,890 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-13 08:57:16,891 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,891 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,891 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,891 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:57:16,891 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:57:16,891 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:57:16,891 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-13 08:57:16,891 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-13 08:57:16,892 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-13 08:57:16,892 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-13 08:57:16,892 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-13 08:57:16,892 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,892 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,892 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,892 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-13 08:57:16,892 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-13 08:57:16,892 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:57:16,893 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:57:16,893 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:57:16,893 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-13 08:57:16,893 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse7 (= ~a24~0 |old(~a24~0)|)) (.cse9 (= ~a15~0 |old(~a15~0)|)) (.cse10 (= ~a21~0 6)) (.cse11 (= ~a24~0 1)) (.cse8 (= ~a12~0 |old(~a12~0)|))) (let ((.cse1 (and (= 7 ~a15~0) .cse10 .cse11 .cse8)) (.cse4 (not (= 7 |old(~a15~0)|))) (.cse0 (and .cse7 (= ~a21~0 |old(~a21~0)|) .cse8 .cse9)) (.cse5 (not (= 6 |old(~a15~0)|))) (.cse2 (not (= |old(~a24~0)| 1))) (.cse6 (and .cse10 .cse11 .cse8 .cse9)) (.cse3 (not (= 6 |old(~a21~0)|)))) (and (or .cse0 (not (<= 7 |old(~a21~0)|))) (or .cse1 .cse2 (not (<= 81 |old(~a12~0)|)) .cse3 .cse4) (or .cse0 (not (= 5 |old(~a15~0)|))) (or (not (<= |old(~a12~0)| 46)) .cse5 .cse2 .cse6 (not (<= 13 |old(~a12~0)|)) .cse3) (or .cse1 .cse2 (not (<= |old(~a12~0)| 10)) (not (<= 0 (+ |old(~a12~0)| 41))) .cse3 .cse4) (or .cse0 (not (<= 518246 |old(~a12~0)|))) (or (not (<= |old(~a15~0)| 7)) (not (<= 1 |old(~a24~0)|)) (not (<= |old(~a24~0)| 1)) (not (<= 6 |old(~a21~0)|)) (not (<= |old(~a21~0)| 6)) (not (<= 7 |old(~a15~0)|)) (and .cse7 (<= 6 ~a21~0) .cse8 (<= ~a21~0 6) .cse9) (not (<= (+ |old(~a12~0)| 2797) 0))) (or (not (<= 9 |old(~a15~0)|)) .cse0) (or .cse5 .cse2 .cse6 (not (<= 12849 |old(~a12~0)|)) .cse3)))) [2020-10-13 08:57:16,893 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-13 08:57:16,893 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-13 08:57:16,894 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,894 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,894 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,894 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:57:16,894 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:57:16,894 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:57:16,894 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-13 08:57:16,894 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-13 08:57:16,894 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-13 08:57:16,895 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-13 08:57:16,895 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-13 08:57:16,895 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,895 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,895 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,895 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-13 08:57:16,895 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-13 08:57:16,895 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:57:16,895 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:57:16,896 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:57:16,896 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-13 08:57:16,896 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-13 08:57:16,896 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-13 08:57:16,896 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,896 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,896 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,896 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-13 08:57:16,896 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:57:16,896 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:57:16,897 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:57:16,897 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-13 08:57:16,897 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-13 08:57:16,897 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-13 08:57:16,897 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-13 08:57:16,897 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,897 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,897 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,897 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-13 08:57:16,897 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:57:16,898 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:57:16,898 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:57:16,898 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-13 08:57:16,898 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-13 08:57:16,898 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-13 08:57:16,898 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-13 08:57:16,898 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,898 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,898 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-13 08:57:16,899 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:57:16,899 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:57:16,899 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-13 08:57:16,899 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-13 08:57:16,899 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-13 08:57:16,899 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-13 08:57:16,899 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-13 08:57:16,899 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2020-10-13 08:57:16,899 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,900 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,900 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-13 08:57:16,900 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:57:16,900 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:57:16,900 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-13 08:57:16,900 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-13 08:57:16,900 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-13 08:57:16,900 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,900 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,900 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-13 08:57:16,901 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-13 08:57:16,901 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:57:16,901 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:57:16,901 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-13 08:57:16,901 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-13 08:57:16,901 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-13 08:57:16,901 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-13 08:57:16,901 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,901 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,901 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-13 08:57:16,902 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-13 08:57:16,902 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:57:16,902 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:57:16,902 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-13 08:57:16,902 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-13 08:57:16,902 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-13 08:57:16,902 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,902 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,902 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,903 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-13 08:57:16,903 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-13 08:57:16,903 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:57:16,903 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:57:16,903 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-13 08:57:16,903 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-13 08:57:16,903 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,903 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,903 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:57:16,904 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,904 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-13 08:57:16,904 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-13 08:57:16,904 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-13 08:57:16,904 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:57:16,904 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:57:16,904 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:57:16,904 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-13 08:57:16,904 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-13 08:57:16,904 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-13 08:57:16,905 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-13 08:57:16,905 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,905 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,905 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,905 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-13 08:57:16,905 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:57:16,905 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:57:16,905 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:57:16,905 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-13 08:57:16,905 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-13 08:57:16,906 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-13 08:57:16,906 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-13 08:57:16,906 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,906 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,906 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,906 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-13 08:57:16,906 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-13 08:57:16,906 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:57:16,906 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:57:16,906 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:57:16,907 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-13 08:57:16,907 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-13 08:57:16,907 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-13 08:57:16,907 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,907 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,907 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,907 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-13 08:57:16,907 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:57:16,907 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:57:16,908 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:57:16,908 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-13 08:57:16,908 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-13 08:57:16,908 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-13 08:57:16,908 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-13 08:57:16,908 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-13 08:57:16,908 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,908 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,908 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-13 08:57:16,908 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-13 08:57:16,909 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:57:16,909 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:57:16,909 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:57:16,909 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-13 08:57:16,909 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:57:16,909 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 7 ~a21~0) [2020-10-13 08:57:16,909 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:57:16,909 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:57:16,910 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|))) [2020-10-13 08:57:16,910 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:57:16,910 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse2 (= ~a15~0 6)) (.cse3 (= 7 ~a15~0)) (.cse0 (= ~a21~0 6)) (.cse1 (= ~a24~0 1))) (or (and (<= 12849 ~a12~0) .cse0 .cse1 .cse2) (and .cse3 (<= 0 (+ ~a12~0 41)) (<= ~a12~0 10) .cse0 .cse1) (= 5 ~a15~0) (<= 7 ~a21~0) (and (<= ~a12~0 46) (<= 13 ~a12~0) .cse0 .cse1 .cse2) (<= 518246 ~a12~0) (<= 9 ~a15~0) (not (<= 7 |old(~a21~0)|)) (and (<= ~a15~0 7) (<= ~a24~0 1) (<= 7 ~a15~0) (<= 1 ~a24~0) (<= 6 ~a21~0) (<= (+ ~a12~0 2797) 0)) (and .cse3 (<= 81 ~a12~0) .cse0 .cse1))) [2020-10-13 08:57:16,910 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-13 08:57:16,910 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-13 08:57:16,911 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse2 (= ~a15~0 6)) (.cse3 (= 7 ~a15~0)) (.cse0 (= ~a21~0 6)) (.cse1 (= ~a24~0 1))) (or (and (<= 12849 ~a12~0) .cse0 .cse1 .cse2) (and .cse3 (<= 0 (+ ~a12~0 41)) (<= ~a12~0 10) .cse0 .cse1) (= 5 ~a15~0) (<= 7 ~a21~0) (and (<= ~a12~0 46) (<= 13 ~a12~0) .cse0 .cse1 .cse2) (<= 518246 ~a12~0) (<= 9 ~a15~0) (not (<= 7 |old(~a21~0)|)) (and (<= ~a15~0 7) (<= ~a24~0 1) (<= 7 ~a15~0) (<= 1 ~a24~0) (<= 6 ~a21~0) (<= (+ ~a12~0 2797) 0)) (and .cse3 (<= 81 ~a12~0) .cse0 .cse1))) [2020-10-13 08:57:16,911 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-13 08:57:16,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:57:16 BoogieIcfgContainer [2020-10-13 08:57:16,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:57:16,934 INFO L168 Benchmark]: Toolchain (without parser) took 35193.07 ms. Allocated memory was 138.9 MB in the beginning and 721.4 MB in the end (delta: 582.5 MB). Free memory was 99.7 MB in the beginning and 148.1 MB in the end (delta: -48.3 MB). Peak memory consumption was 534.1 MB. Max. memory is 7.1 GB. [2020-10-13 08:57:16,935 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 08:57:16,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 917.93 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 99.5 MB in the beginning and 167.2 MB in the end (delta: -67.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:57:16,937 INFO L168 Benchmark]: Boogie Preprocessor took 115.97 ms. Allocated memory is still 205.0 MB. Free memory was 167.2 MB in the beginning and 161.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:57:16,937 INFO L168 Benchmark]: RCFGBuilder took 1687.46 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 161.4 MB in the beginning and 154.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:57:16,938 INFO L168 Benchmark]: TraceAbstraction took 32466.45 ms. Allocated memory was 236.5 MB in the beginning and 721.4 MB in the end (delta: 485.0 MB). Free memory was 154.1 MB in the beginning and 148.1 MB in the end (delta: 6.1 MB). Peak memory consumption was 491.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:57:16,942 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 917.93 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 99.5 MB in the beginning and 167.2 MB in the end (delta: -67.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.97 ms. Allocated memory is still 205.0 MB. Free memory was 167.2 MB in the beginning and 161.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1687.46 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 161.4 MB in the beginning and 154.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32466.45 ms. Allocated memory was 236.5 MB in the beginning and 721.4 MB in the end (delta: 485.0 MB). Free memory was 154.1 MB in the beginning and 148.1 MB in the end (delta: 6.1 MB). Peak memory consumption was 491.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((((((12849 <= a12 && a21 == 6) && a24 == 1) && a15 == 6) || ((((7 == a15 && 0 <= a12 + 41) && a12 <= 10) && a21 == 6) && a24 == 1)) || 5 == a15) || 7 <= a21) || ((((a12 <= 46 && 13 <= a12) && a21 == 6) && a24 == 1) && a15 == 6)) || 518246 <= a12) || 9 <= a15) || !(7 <= \old(a21))) || (((((a15 <= 7 && a24 <= 1) && 7 <= a15) && 1 <= a24) && 6 <= a21) && a12 + 2797 <= 0)) || (((7 == a15 && 81 <= a12) && a21 == 6) && a24 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.1s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 277 SDtfs, 3193 SDslu, 200 SDs, 0 SdLazy, 7903 SolverSat, 511 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 67 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1298occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 608 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 57 PreInvPairs, 87 NumberOfFragments, 499 HoareAnnotationTreeSize, 57 FomulaSimplifications, 354546 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 543 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 1610 NumberOfCodeBlocks, 1610 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1599 ConstructedInterpolants, 0 QuantifiedInterpolants, 730092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 380/390 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...