/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/Problem02_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 06:10:08,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 06:10:08,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 06:10:08,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 06:10:08,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 06:10:08,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 06:10:08,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 06:10:08,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 06:10:08,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 06:10:08,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 06:10:08,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 06:10:08,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 06:10:08,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 06:10:08,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 06:10:08,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 06:10:08,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 06:10:08,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 06:10:08,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 06:10:08,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 06:10:08,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 06:10:08,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 06:10:08,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 06:10:08,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 06:10:08,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 06:10:08,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 06:10:08,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 06:10:08,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 06:10:08,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 06:10:08,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 06:10:08,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 06:10:08,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 06:10:08,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 06:10:08,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 06:10:08,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 06:10:08,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 06:10:08,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 06:10:08,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 06:10:08,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 06:10:08,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 06:10:08,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 06:10:08,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 06:10:08,378 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 06:10:08,424 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 06:10:08,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 06:10:08,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 06:10:08,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 06:10:08,426 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 06:10:08,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 06:10:08,426 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 06:10:08,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 06:10:08,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 06:10:08,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 06:10:08,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 06:10:08,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 06:10:08,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 06:10:08,428 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 06:10:08,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 06:10:08,429 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 06:10:08,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 06:10:08,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 06:10:08,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 06:10:08,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 06:10:08,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 06:10:08,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 06:10:08,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 06:10:08,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 06:10:08,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 06:10:08,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 06:10:08,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 06:10:08,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 06:10:08,432 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 06:10:08,432 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 06:10:08,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 06:10:08,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 06:10:08,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 06:10:08,768 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 06:10:08,769 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 06:10:08,770 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label22.c [2020-10-13 06:10:08,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/488a9374f/5cd266bb3c3444f39e043d3de15964be/FLAGa65c092af [2020-10-13 06:10:09,397 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 06:10:09,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label22.c [2020-10-13 06:10:09,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/488a9374f/5cd266bb3c3444f39e043d3de15964be/FLAGa65c092af [2020-10-13 06:10:09,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/488a9374f/5cd266bb3c3444f39e043d3de15964be [2020-10-13 06:10:09,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 06:10:09,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 06:10:09,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 06:10:09,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 06:10:09,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 06:10:09,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:10:09" (1/1) ... [2020-10-13 06:10:09,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e2b0359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:09, skipping insertion in model container [2020-10-13 06:10:09,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:10:09" (1/1) ... [2020-10-13 06:10:09,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 06:10:09,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 06:10:10,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:10:10,142 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 06:10:10,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:10:10,423 INFO L208 MainTranslator]: Completed translation [2020-10-13 06:10:10,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:10 WrapperNode [2020-10-13 06:10:10,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 06:10:10,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 06:10:10,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 06:10:10,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 06:10:10,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:10" (1/1) ... [2020-10-13 06:10:10,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:10" (1/1) ... [2020-10-13 06:10:10,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:10" (1/1) ... [2020-10-13 06:10:10,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:10" (1/1) ... [2020-10-13 06:10:10,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:10" (1/1) ... [2020-10-13 06:10:10,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:10" (1/1) ... [2020-10-13 06:10:10,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:10" (1/1) ... [2020-10-13 06:10:10,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 06:10:10,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 06:10:10,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 06:10:10,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 06:10:10,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:10" (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 06:10:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 06:10:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 06:10:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 06:10:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 06:10:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 06:10:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 06:10:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 06:10:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 06:10:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 06:10:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 06:10:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 06:10:11,800 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 06:10:11,800 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 06:10:11,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:10:11 BoogieIcfgContainer [2020-10-13 06:10:11,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 06:10:11,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 06:10:11,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 06:10:11,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 06:10:11,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:10:09" (1/3) ... [2020-10-13 06:10:11,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c66ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:10:11, skipping insertion in model container [2020-10-13 06:10:11,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:10:10" (2/3) ... [2020-10-13 06:10:11,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c66ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:10:11, skipping insertion in model container [2020-10-13 06:10:11,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:10:11" (3/3) ... [2020-10-13 06:10:11,815 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label22.c [2020-10-13 06:10:11,826 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 06:10:11,834 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 06:10:11,848 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 06:10:11,873 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 06:10:11,873 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 06:10:11,874 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 06:10:11,874 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 06:10:11,875 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 06:10:11,875 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 06:10:11,875 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 06:10:11,875 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 06:10:11,900 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-13 06:10:11,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-13 06:10:11,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:11,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:10:11,914 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:11,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:11,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1125290487, now seen corresponding path program 1 times [2020-10-13 06:10:11,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:11,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2047708221] [2020-10-13 06:10:11,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:12,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:12,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:13,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:13,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 06:10:13,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:10:13,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1333 [2020-10-13 06:10:13,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 06:10:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 06:10:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-13 06:10:13,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 06:10:13,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:13,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:13,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:13,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:13,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:13,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 06:10:13,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:13,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:13,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 06:10:13,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:14,132 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 06:10:14,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2047708221] [2020-10-13 06:10:14,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 06:10:14,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 06:10:14,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568799867] [2020-10-13 06:10:14,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 06:10:14,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:14,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 06:10:14,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 06:10:14,164 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 11 states. [2020-10-13 06:10:14,760 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-10-13 06:10:14,988 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2020-10-13 06:10:15,442 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2020-10-13 06:10:15,804 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-10-13 06:10:16,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:16,729 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-13 06:10:16,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:10:16,731 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 103 [2020-10-13 06:10:16,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:16,751 INFO L225 Difference]: With dead ends: 536 [2020-10-13 06:10:16,751 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:10:16,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:10:16,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:10:16,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:10:16,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:10:16,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-13 06:10:16,823 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 103 [2020-10-13 06:10:16,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:16,823 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-13 06:10:16,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 06:10:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-13 06:10:16,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-13 06:10:16,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:16,828 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 06:10:16,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 06:10:16,829 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:16,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:16,829 INFO L82 PathProgramCache]: Analyzing trace with hash 451144696, now seen corresponding path program 1 times [2020-10-13 06:10:16,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:16,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1695662027] [2020-10-13 06:10:16,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:16,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:16,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:17,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:18,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:18,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-13 06:10:18,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:10:18,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1478 [2020-10-13 06:10:18,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:18,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:10:18,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 06:10:18,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 06:10:18,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:18,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:18,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:18,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:18,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:18,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:18,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 06:10:18,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:18,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:10:18,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:18,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:18,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:18,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 06:10:18,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:18,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:10:18,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 06:10:18,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:18,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:10:18,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1695662027] [2020-10-13 06:10:18,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:18,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:10:18,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6128483] [2020-10-13 06:10:18,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:10:18,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:18,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:10:18,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:10:18,903 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-13 06:10:20,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:20,862 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-13 06:10:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 06:10:20,862 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2020-10-13 06:10:20,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:20,866 INFO L225 Difference]: With dead ends: 549 [2020-10-13 06:10:20,866 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:10:20,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-13 06:10:20,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:10:20,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:10:20,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:10:20,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-13 06:10:20,897 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 112 [2020-10-13 06:10:20,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:20,897 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-13 06:10:20,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:10:20,898 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-13 06:10:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-13 06:10:20,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:20,908 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:10:20,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 06:10:20,909 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:20,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:20,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1514897792, now seen corresponding path program 1 times [2020-10-13 06:10:20,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:20,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [27525677] [2020-10-13 06:10:20,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:20,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:21,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:21,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:22,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:22,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 06:10:22,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:10:22,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1367 [2020-10-13 06:10:22,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:22,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:10:22,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 06:10:22,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 06:10:22,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:23,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:23,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:23,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:23,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:23,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 06:10:23,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:23,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:23,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:23,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:23,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:23,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:10:23,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:23,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:10:23,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:23,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:23,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 06:10:23,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:23,240 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:10:23,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [27525677] [2020-10-13 06:10:23,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:23,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:10:23,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898272234] [2020-10-13 06:10:23,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:10:23,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:23,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:10:23,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:10:23,247 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-13 06:10:23,650 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-13 06:10:24,017 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-13 06:10:25,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:25,299 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-13 06:10:25,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:10:25,300 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 116 [2020-10-13 06:10:25,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:25,304 INFO L225 Difference]: With dead ends: 554 [2020-10-13 06:10:25,304 INFO L226 Difference]: Without dead ends: 327 [2020-10-13 06:10:25,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:10:25,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-13 06:10:25,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-13 06:10:25,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:10:25,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-13 06:10:25,337 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 116 [2020-10-13 06:10:25,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:25,338 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-13 06:10:25,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:10:25,338 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-13 06:10:25,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 06:10:25,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:25,341 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:10:25,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 06:10:25,341 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:25,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:25,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1054792408, now seen corresponding path program 1 times [2020-10-13 06:10:25,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:25,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063467958] [2020-10-13 06:10:25,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:25,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:25,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:25,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:25,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-13 06:10:25,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:10:25,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-13 06:10:25,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:25,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:10:25,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 06:10:25,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-13 06:10:25,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:10:25,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:25,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:25,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:25,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:25,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:26,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:10:26,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:26,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:26,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:26,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:26,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:26,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:26,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:26,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:26,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:10:26,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:26,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:10:26,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:26,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:26,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:26,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:26,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:26,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:10:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:26,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:26,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:26,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 06:10:26,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:26,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 06:10:26,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:26,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:26,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:26,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 06:10:26,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 06:10:26,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2063467958] [2020-10-13 06:10:26,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:26,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:10:26,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068047390] [2020-10-13 06:10:26,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:10:26,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:26,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:10:26,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:10:26,158 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-13 06:10:27,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:27,188 INFO L93 Difference]: Finished difference Result 724 states and 951 transitions. [2020-10-13 06:10:27,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:10:27,191 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-13 06:10:27,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:27,194 INFO L225 Difference]: With dead ends: 724 [2020-10-13 06:10:27,194 INFO L226 Difference]: Without dead ends: 323 [2020-10-13 06:10:27,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:10:27,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-13 06:10:27,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 318. [2020-10-13 06:10:27,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:10:27,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 395 transitions. [2020-10-13 06:10:27,213 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 395 transitions. Word has length 138 [2020-10-13 06:10:27,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:27,214 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 395 transitions. [2020-10-13 06:10:27,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:10:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 395 transitions. [2020-10-13 06:10:27,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-13 06:10:27,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:27,217 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:27,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 06:10:27,218 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:27,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:27,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1731271799, now seen corresponding path program 1 times [2020-10-13 06:10:27,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:27,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1186649745] [2020-10-13 06:10:27,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:27,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:27,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:27,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:28,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:28,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-13 06:10:28,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:10:28,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1182 [2020-10-13 06:10:28,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:28,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:10:28,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 06:10:28,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 06:10:28,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:29,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:29,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:29,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:29,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:29,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:29,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:10:29,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:29,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:29,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:29,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:29,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:29,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:29,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:29,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:10:29,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:29,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 06:10:29,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:29,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:29,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:29,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 06:10:29,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:29,327 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:10:29,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1186649745] [2020-10-13 06:10:29,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:29,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:10:29,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997234901] [2020-10-13 06:10:29,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:10:29,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:29,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:10:29,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:10:29,330 INFO L87 Difference]: Start difference. First operand 318 states and 395 transitions. Second operand 12 states. [2020-10-13 06:10:29,676 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-13 06:10:29,838 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-13 06:10:30,009 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-13 06:10:31,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:31,339 INFO L93 Difference]: Finished difference Result 723 states and 948 transitions. [2020-10-13 06:10:31,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:10:31,340 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 137 [2020-10-13 06:10:31,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:31,345 INFO L225 Difference]: With dead ends: 723 [2020-10-13 06:10:31,345 INFO L226 Difference]: Without dead ends: 401 [2020-10-13 06:10:31,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-13 06:10:31,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-13 06:10:31,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 394. [2020-10-13 06:10:31,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:10:31,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 475 transitions. [2020-10-13 06:10:31,364 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 475 transitions. Word has length 137 [2020-10-13 06:10:31,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:31,365 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 475 transitions. [2020-10-13 06:10:31,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:10:31,365 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 475 transitions. [2020-10-13 06:10:31,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-13 06:10:31,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:31,368 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:10:31,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 06:10:31,368 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:31,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:31,369 INFO L82 PathProgramCache]: Analyzing trace with hash 419333646, now seen corresponding path program 1 times [2020-10-13 06:10:31,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:31,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586920996] [2020-10-13 06:10:31,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:31,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:31,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:31,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:32,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:32,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:32,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-13 06:10:32,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:10:32,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1582 [2020-10-13 06:10:32,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:32,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:10:32,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 06:10:32,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 06:10:32,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:10:33,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:33,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:33,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:33,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:33,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:33,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 06:10:33,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:33,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:33,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:33,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:33,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:33,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:33,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:33,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:10:33,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:33,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:10:33,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:33,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:33,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:33,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:10:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:33,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:33,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:33,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:10:33,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:33,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:10:33,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:33,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:33,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:33,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 06:10:33,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:33,233 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 06:10:33,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586920996] [2020-10-13 06:10:33,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:33,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:10:33,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946413778] [2020-10-13 06:10:33,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:10:33,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:33,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:10:33,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:10:33,237 INFO L87 Difference]: Start difference. First operand 394 states and 475 transitions. Second operand 5 states. [2020-10-13 06:10:34,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:34,154 INFO L93 Difference]: Finished difference Result 874 states and 1106 transitions. [2020-10-13 06:10:34,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:10:34,154 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-10-13 06:10:34,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:34,159 INFO L225 Difference]: With dead ends: 874 [2020-10-13 06:10:34,159 INFO L226 Difference]: Without dead ends: 399 [2020-10-13 06:10:34,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:10:34,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-10-13 06:10:34,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 394. [2020-10-13 06:10:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:10:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 472 transitions. [2020-10-13 06:10:34,187 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 472 transitions. Word has length 145 [2020-10-13 06:10:34,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:34,187 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 472 transitions. [2020-10-13 06:10:34,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:10:34,188 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 472 transitions. [2020-10-13 06:10:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-13 06:10:34,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:34,192 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:34,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 06:10:34,192 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:34,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:34,193 INFO L82 PathProgramCache]: Analyzing trace with hash -542366861, now seen corresponding path program 1 times [2020-10-13 06:10:34,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:34,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591479843] [2020-10-13 06:10:34,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:34,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:34,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:34,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:35,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:35,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-13 06:10:35,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:10:35,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1034 [2020-10-13 06:10:35,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:35,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:10:35,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 06:10:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 06:10:35,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:35,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:35,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:35,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:35,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:35,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:35,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:10:35,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:35,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:35,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:35,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:35,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:35,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:35,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:35,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:35,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:10:35,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:35,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 06:10:35,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:35,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:35,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:35,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 06:10:35,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:10:35,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591479843] [2020-10-13 06:10:35,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:35,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:10:35,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337924493] [2020-10-13 06:10:35,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:10:35,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:35,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:10:35,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:10:35,747 INFO L87 Difference]: Start difference. First operand 394 states and 472 transitions. Second operand 12 states. [2020-10-13 06:10:38,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:38,029 INFO L93 Difference]: Finished difference Result 886 states and 1110 transitions. [2020-10-13 06:10:38,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:10:38,031 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 154 [2020-10-13 06:10:38,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:38,034 INFO L225 Difference]: With dead ends: 886 [2020-10-13 06:10:38,034 INFO L226 Difference]: Without dead ends: 498 [2020-10-13 06:10:38,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:10:38,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-10-13 06:10:38,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 477. [2020-10-13 06:10:38,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-13 06:10:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 561 transitions. [2020-10-13 06:10:38,060 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 561 transitions. Word has length 154 [2020-10-13 06:10:38,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:38,061 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 561 transitions. [2020-10-13 06:10:38,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:10:38,061 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 561 transitions. [2020-10-13 06:10:38,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-13 06:10:38,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:38,064 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:38,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 06:10:38,064 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:38,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:38,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1711091361, now seen corresponding path program 1 times [2020-10-13 06:10:38,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:38,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1279016655] [2020-10-13 06:10:38,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:38,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:38,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:38,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:39,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:39,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 06:10:39,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:10:39,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1121 [2020-10-13 06:10:39,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:39,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:10:39,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-13 06:10:39,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 06:10:39,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:39,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:39,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:39,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:39,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:39,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:39,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:10:39,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:39,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:39,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:39,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:39,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:10:39,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:39,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:39,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:39,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:10:39,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:39,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 06:10:39,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:39,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:39,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:39,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 06:10:39,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:39,932 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:10:39,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1279016655] [2020-10-13 06:10:39,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:39,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:10:39,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272572734] [2020-10-13 06:10:39,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:10:39,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:39,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:10:39,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:10:39,948 INFO L87 Difference]: Start difference. First operand 477 states and 561 transitions. Second operand 12 states. [2020-10-13 06:10:41,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:41,800 INFO L93 Difference]: Finished difference Result 1040 states and 1272 transitions. [2020-10-13 06:10:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:10:41,801 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 160 [2020-10-13 06:10:41,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:41,807 INFO L225 Difference]: With dead ends: 1040 [2020-10-13 06:10:41,807 INFO L226 Difference]: Without dead ends: 569 [2020-10-13 06:10:41,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:10:41,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-10-13 06:10:41,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 556. [2020-10-13 06:10:41,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-13 06:10:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 645 transitions. [2020-10-13 06:10:41,837 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 645 transitions. Word has length 160 [2020-10-13 06:10:41,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:41,838 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 645 transitions. [2020-10-13 06:10:41,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:10:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 645 transitions. [2020-10-13 06:10:41,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-13 06:10:41,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:41,841 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:10:41,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 06:10:41,842 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:41,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:41,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1294039083, now seen corresponding path program 1 times [2020-10-13 06:10:41,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:41,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [434789078] [2020-10-13 06:10:41,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:41,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:41,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:42,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:42,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:42,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:42,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-13 06:10:42,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:10:42,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-10-13 06:10:42,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:42,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:10:42,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 06:10:42,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 06:10:42,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:43,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:43,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:43,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:43,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:43,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:43,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:10:43,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:10:43,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:43,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:43,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:43,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:10:43,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:43,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:10:43,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:43,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:43,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:43,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:43,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:10:43,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:10:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:43,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:43,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:43,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 06:10:43,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:43,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 06:10:43,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 06:10:43,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:43,389 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 06:10:43,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [434789078] [2020-10-13 06:10:43,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:43,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 06:10:43,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830070976] [2020-10-13 06:10:43,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 06:10:43,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:43,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 06:10:43,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:10:43,393 INFO L87 Difference]: Start difference. First operand 556 states and 645 transitions. Second operand 6 states. [2020-10-13 06:10:44,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:44,534 INFO L93 Difference]: Finished difference Result 1203 states and 1454 transitions. [2020-10-13 06:10:44,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:10:44,540 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 185 [2020-10-13 06:10:44,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:44,543 INFO L225 Difference]: With dead ends: 1203 [2020-10-13 06:10:44,544 INFO L226 Difference]: Without dead ends: 464 [2020-10-13 06:10:44,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:10:44,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-13 06:10:44,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 457. [2020-10-13 06:10:44,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-10-13 06:10:44,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 533 transitions. [2020-10-13 06:10:44,562 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 533 transitions. Word has length 185 [2020-10-13 06:10:44,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:44,562 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 533 transitions. [2020-10-13 06:10:44,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 06:10:44,562 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 533 transitions. [2020-10-13 06:10:44,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-13 06:10:44,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:44,565 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 06:10:44,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 06:10:44,566 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:44,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:44,566 INFO L82 PathProgramCache]: Analyzing trace with hash -88519901, now seen corresponding path program 1 times [2020-10-13 06:10:44,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:44,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069219146] [2020-10-13 06:10:44,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:44,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:44,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:44,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:45,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:46,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:46,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-13 06:10:46,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:10:46,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1729 [2020-10-13 06:10:46,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:46,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:10:46,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 06:10:46,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 06:10:46,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:10:46,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:46,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:46,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:46,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:46,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:46,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:10:46,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:46,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:46,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:46,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:46,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:46,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:46,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:46,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:46,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:10:46,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:46,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:10:46,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:46,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:46,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:46,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:46,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:46,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:10:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:46,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:46,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:46,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:10:46,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:46,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 06:10:46,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:46,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 06:10:46,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:46,970 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 06:10:46,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069219146] [2020-10-13 06:10:46,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:46,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:10:46,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083155091] [2020-10-13 06:10:46,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:10:46,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:46,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:10:46,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:10:46,973 INFO L87 Difference]: Start difference. First operand 457 states and 533 transitions. Second operand 13 states. [2020-10-13 06:10:47,428 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-10-13 06:10:47,588 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-10-13 06:10:47,808 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-10-13 06:10:48,015 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-10-13 06:10:48,419 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-13 06:10:48,608 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-10-13 06:10:50,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:50,011 INFO L93 Difference]: Finished difference Result 1078 states and 1346 transitions. [2020-10-13 06:10:50,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 06:10:50,012 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 196 [2020-10-13 06:10:50,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:50,016 INFO L225 Difference]: With dead ends: 1078 [2020-10-13 06:10:50,016 INFO L226 Difference]: Without dead ends: 627 [2020-10-13 06:10:50,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=260, Invalid=610, Unknown=0, NotChecked=0, Total=870 [2020-10-13 06:10:50,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-10-13 06:10:50,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 534. [2020-10-13 06:10:50,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-13 06:10:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 612 transitions. [2020-10-13 06:10:50,037 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 612 transitions. Word has length 196 [2020-10-13 06:10:50,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:50,037 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 612 transitions. [2020-10-13 06:10:50,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:10:50,038 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 612 transitions. [2020-10-13 06:10:50,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-13 06:10:50,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:50,041 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 06:10:50,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 06:10:50,042 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:50,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:50,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1958701553, now seen corresponding path program 1 times [2020-10-13 06:10:50,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:50,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543931504] [2020-10-13 06:10:50,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:50,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:50,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:50,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:50,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-13 06:10:50,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:10:50,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 318 [2020-10-13 06:10:50,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:50,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:10:50,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-13 06:10:50,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-13 06:10:50,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:50,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:50,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:50,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:50,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:50,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:50,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:10:50,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:50,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:50,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:50,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:50,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:50,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:50,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:50,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:50,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:10:50,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:50,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:10:50,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:50,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:50,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:50,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:50,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:10:50,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:10:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:50,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:50,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:50,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 06:10:50,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:50,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 06:10:50,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:50,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:10:50,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:50,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 06:10:50,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-13 06:10:50,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543931504] [2020-10-13 06:10:50,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:50,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:10:50,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779203620] [2020-10-13 06:10:50,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:10:50,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:50,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:10:50,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:10:50,736 INFO L87 Difference]: Start difference. First operand 534 states and 612 transitions. Second operand 5 states. [2020-10-13 06:10:51,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:51,732 INFO L93 Difference]: Finished difference Result 1157 states and 1377 transitions. [2020-10-13 06:10:51,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:10:51,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209 [2020-10-13 06:10:51,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:51,736 INFO L225 Difference]: With dead ends: 1157 [2020-10-13 06:10:51,736 INFO L226 Difference]: Without dead ends: 465 [2020-10-13 06:10:51,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:10:51,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-10-13 06:10:51,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 458. [2020-10-13 06:10:51,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-13 06:10:51,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 530 transitions. [2020-10-13 06:10:51,753 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 530 transitions. Word has length 209 [2020-10-13 06:10:51,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:51,753 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 530 transitions. [2020-10-13 06:10:51,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:10:51,753 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 530 transitions. [2020-10-13 06:10:51,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-13 06:10:51,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:51,756 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:10:51,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 06:10:51,757 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:51,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:51,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1017444994, now seen corresponding path program 1 times [2020-10-13 06:10:51,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:51,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162488544] [2020-10-13 06:10:51,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:51,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:51,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:51,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:52,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:52,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:53,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:53,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:54,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:55,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:55,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-13 06:10:55,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 06:10:55,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3444 [2020-10-13 06:10:55,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:55,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:10:55,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-13 06:10:55,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 06:10:55,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:55,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:10:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:55,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:55,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:55,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:10:55,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:55,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:10:55,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:55,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:55,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:55,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:10:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:55,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:55,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:55,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:10:55,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:55,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 06:10:55,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:55,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:55,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:55,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:55,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:55,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:10:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:55,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:55,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:55,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:10:55,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:55,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 06:10:55,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:55,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:10:55,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:55,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:10:55,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:55,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 06:10:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:55,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:56,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:10:56,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 06:10:56,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:10:56,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:10:56,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:10:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:10:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:10:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 06:10:56,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:10:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-13 06:10:56,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162488544] [2020-10-13 06:10:56,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:10:56,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:10:56,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556546815] [2020-10-13 06:10:56,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:10:56,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:10:56,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:10:56,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:10:56,184 INFO L87 Difference]: Start difference. First operand 458 states and 530 transitions. Second operand 13 states. [2020-10-13 06:10:58,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:10:58,955 INFO L93 Difference]: Finished difference Result 1152 states and 1419 transitions. [2020-10-13 06:10:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:10:58,955 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 216 [2020-10-13 06:10:58,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:10:58,959 INFO L225 Difference]: With dead ends: 1152 [2020-10-13 06:10:58,959 INFO L226 Difference]: Without dead ends: 464 [2020-10-13 06:10:58,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=159, Invalid=303, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:10:58,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-13 06:10:58,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 461. [2020-10-13 06:10:58,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-13 06:10:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 536 transitions. [2020-10-13 06:10:58,975 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 536 transitions. Word has length 216 [2020-10-13 06:10:58,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:10:58,975 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 536 transitions. [2020-10-13 06:10:58,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:10:58,975 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 536 transitions. [2020-10-13 06:10:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-13 06:10:58,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:10:58,978 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:10:58,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 06:10:58,978 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:10:58,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:10:58,978 INFO L82 PathProgramCache]: Analyzing trace with hash -2073626375, now seen corresponding path program 1 times [2020-10-13 06:10:58,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:10:58,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1677522129] [2020-10-13 06:10:58,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:10:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:10:59,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:59,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:59,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:10:59,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:00,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:00,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-13 06:11:00,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:11:00,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1802 [2020-10-13 06:11:00,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:11:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 06:11:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 06:11:00,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:01,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:01,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:01,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:01,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:01,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:01,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:11:01,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:01,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:01,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:01,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:01,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:01,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:11:01,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:01,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:11:01,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:01,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:01,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:01,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:01,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:01,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:11:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:01,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:01,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:01,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:11:01,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:01,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 06:11:01,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 06:11:01,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-13 06:11:01,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1677522129] [2020-10-13 06:11:01,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:01,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:11:01,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615047043] [2020-10-13 06:11:01,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:11:01,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:01,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:11:01,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:11:01,291 INFO L87 Difference]: Start difference. First operand 461 states and 536 transitions. Second operand 12 states. [2020-10-13 06:11:02,068 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2020-10-13 06:11:02,270 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-10-13 06:11:02,494 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-10-13 06:11:02,696 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2020-10-13 06:11:03,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:03,134 INFO L93 Difference]: Finished difference Result 952 states and 1125 transitions. [2020-10-13 06:11:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:11:03,135 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 231 [2020-10-13 06:11:03,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:03,138 INFO L225 Difference]: With dead ends: 952 [2020-10-13 06:11:03,138 INFO L226 Difference]: Without dead ends: 497 [2020-10-13 06:11:03,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:11:03,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-10-13 06:11:03,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 494. [2020-10-13 06:11:03,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-10-13 06:11:03,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 575 transitions. [2020-10-13 06:11:03,154 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 575 transitions. Word has length 231 [2020-10-13 06:11:03,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:03,154 INFO L479 AbstractCegarLoop]: Abstraction has 494 states and 575 transitions. [2020-10-13 06:11:03,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:11:03,154 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 575 transitions. [2020-10-13 06:11:03,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-13 06:11:03,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:03,157 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:03,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 06:11:03,157 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:03,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:03,157 INFO L82 PathProgramCache]: Analyzing trace with hash 86853962, now seen corresponding path program 1 times [2020-10-13 06:11:03,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:03,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640668686] [2020-10-13 06:11:03,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:03,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:03,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:03,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:03,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:03,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:05,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:05,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-13 06:11:05,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 06:11:05,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1908 [2020-10-13 06:11:05,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:05,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:05,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-13 06:11:05,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-13 06:11:05,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:05,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:05,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:05,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:05,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:05,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:05,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:11:05,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:05,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:05,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:05,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:05,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:05,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:05,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:05,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:05,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:11:05,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:05,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:11:05,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:05,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:05,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:05,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:05,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:05,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:11:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:05,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:05,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:05,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:11:05,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:05,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 06:11:05,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:05,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:05,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:05,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:05,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:05,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:11:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:05,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:05,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:05,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 06:11:05,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:05,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:11:05,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:05,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:05,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:05,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 06:11:05,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:05,506 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 136 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-13 06:11:05,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640668686] [2020-10-13 06:11:05,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:05,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:11:05,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320123039] [2020-10-13 06:11:05,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:11:05,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:05,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:11:05,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:11:05,509 INFO L87 Difference]: Start difference. First operand 494 states and 575 transitions. Second operand 5 states. [2020-10-13 06:11:06,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:06,451 INFO L93 Difference]: Finished difference Result 1068 states and 1282 transitions. [2020-10-13 06:11:06,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:11:06,453 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 245 [2020-10-13 06:11:06,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:06,457 INFO L225 Difference]: With dead ends: 1068 [2020-10-13 06:11:06,457 INFO L226 Difference]: Without dead ends: 497 [2020-10-13 06:11:06,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:11:06,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-10-13 06:11:06,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 494. [2020-10-13 06:11:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-10-13 06:11:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 570 transitions. [2020-10-13 06:11:06,474 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 570 transitions. Word has length 245 [2020-10-13 06:11:06,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:06,474 INFO L479 AbstractCegarLoop]: Abstraction has 494 states and 570 transitions. [2020-10-13 06:11:06,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:11:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 570 transitions. [2020-10-13 06:11:06,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-13 06:11:06,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:06,477 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-10-13 06:11:06,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 06:11:06,477 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:06,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:06,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1427242398, now seen corresponding path program 1 times [2020-10-13 06:11:06,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:06,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1712548859] [2020-10-13 06:11:06,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:06,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:06,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:06,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:06,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:07,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:08,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:08,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:09,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:10,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:10,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-13 06:11:10,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 06:11:10,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3502 [2020-10-13 06:11:10,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:11:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-13 06:11:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-13 06:11:10,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:10,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:10,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:10,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:10,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:10,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:10,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:11:10,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:10,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:10,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:10,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:10,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:10,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:10,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:10,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:10,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:11:10,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:10,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:11:10,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:10,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:10,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:11:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:10,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:10,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:10,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:11:10,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:10,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 06:11:10,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:10,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:10,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:11:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:10,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:10,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:10,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 06:11:10,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:10,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:11:10,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:11:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 06:11:10,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 141 proven. 3 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 06:11:10,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1712548859] [2020-10-13 06:11:10,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:10,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:11:10,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870020180] [2020-10-13 06:11:10,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:11:10,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:10,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:11:10,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:11:10,626 INFO L87 Difference]: Start difference. First operand 494 states and 570 transitions. Second operand 13 states. [2020-10-13 06:11:11,434 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2020-10-13 06:11:11,659 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2020-10-13 06:11:12,023 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2020-10-13 06:11:12,391 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2020-10-13 06:11:13,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:13,116 INFO L93 Difference]: Finished difference Result 1363 states and 1642 transitions. [2020-10-13 06:11:13,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:11:13,117 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 252 [2020-10-13 06:11:13,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:13,122 INFO L225 Difference]: With dead ends: 1363 [2020-10-13 06:11:13,123 INFO L226 Difference]: Without dead ends: 875 [2020-10-13 06:11:13,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2020-10-13 06:11:13,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2020-10-13 06:11:13,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 867. [2020-10-13 06:11:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-13 06:11:13,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 989 transitions. [2020-10-13 06:11:13,150 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 989 transitions. Word has length 252 [2020-10-13 06:11:13,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:13,151 INFO L479 AbstractCegarLoop]: Abstraction has 867 states and 989 transitions. [2020-10-13 06:11:13,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:11:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 989 transitions. [2020-10-13 06:11:13,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-13 06:11:13,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:13,155 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:13,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 06:11:13,155 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:13,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:13,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1930773865, now seen corresponding path program 1 times [2020-10-13 06:11:13,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:13,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474114660] [2020-10-13 06:11:13,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:13,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:13,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:13,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:13,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-13 06:11:13,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:11:13,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-10-13 06:11:13,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:13,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:13,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-13 06:11:13,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 06:11:13,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:13,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:13,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:13,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:13,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:13,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:13,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:11:13,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:13,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:13,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:13,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:13,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:13,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:13,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:13,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:11:13,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:13,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:11:13,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:13,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:13,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:13,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:13,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:13,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:11:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:13,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:13,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:13,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:11:13,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:13,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 06:11:13,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:13,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:13,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:13,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:13,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:13,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:11:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:13,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:13,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:13,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 06:11:13,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:13,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:11:13,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:13,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:13,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:13,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 06:11:13,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:13,854 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-13 06:11:13,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474114660] [2020-10-13 06:11:13,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:13,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:11:13,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781320336] [2020-10-13 06:11:13,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:11:13,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:13,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:11:13,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:11:13,856 INFO L87 Difference]: Start difference. First operand 867 states and 989 transitions. Second operand 5 states. [2020-10-13 06:11:14,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:14,794 INFO L93 Difference]: Finished difference Result 1819 states and 2121 transitions. [2020-10-13 06:11:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:11:14,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 257 [2020-10-13 06:11:14,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:14,804 INFO L225 Difference]: With dead ends: 1819 [2020-10-13 06:11:14,805 INFO L226 Difference]: Without dead ends: 872 [2020-10-13 06:11:14,808 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:11:14,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-10-13 06:11:14,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 867. [2020-10-13 06:11:14,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-13 06:11:14,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 974 transitions. [2020-10-13 06:11:14,837 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 974 transitions. Word has length 257 [2020-10-13 06:11:14,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:14,838 INFO L479 AbstractCegarLoop]: Abstraction has 867 states and 974 transitions. [2020-10-13 06:11:14,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:11:14,838 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 974 transitions. [2020-10-13 06:11:14,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-13 06:11:14,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:14,842 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:14,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 06:11:14,842 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:14,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:14,843 INFO L82 PathProgramCache]: Analyzing trace with hash 775422555, now seen corresponding path program 1 times [2020-10-13 06:11:14,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:14,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [413787963] [2020-10-13 06:11:14,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:14,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:14,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:15,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:15,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:16,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:17,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:17,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-13 06:11:17,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 06:11:17,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2454 [2020-10-13 06:11:17,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:17,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:17,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-13 06:11:17,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 06:11:17,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:17,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:17,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:17,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:17,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:17,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:17,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:11:17,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:17,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:17,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:17,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:17,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:17,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:17,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:17,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:11:17,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:17,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:11:17,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:17,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:17,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:17,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:17,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:17,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:11:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:17,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:17,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:17,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:11:17,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:17,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:11:17,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:17,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:11:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:17,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:17,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:17,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 06:11:17,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:17,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 06:11:17,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 06:11:17,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:17,716 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-13 06:11:17,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [413787963] [2020-10-13 06:11:17,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:17,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:11:17,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032560676] [2020-10-13 06:11:17,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:11:17,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:17,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:11:17,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:11:17,724 INFO L87 Difference]: Start difference. First operand 867 states and 974 transitions. Second operand 5 states. [2020-10-13 06:11:18,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:18,665 INFO L93 Difference]: Finished difference Result 1817 states and 2083 transitions. [2020-10-13 06:11:18,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:11:18,667 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 262 [2020-10-13 06:11:18,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:18,671 INFO L225 Difference]: With dead ends: 1817 [2020-10-13 06:11:18,672 INFO L226 Difference]: Without dead ends: 872 [2020-10-13 06:11:18,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:11:18,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-10-13 06:11:18,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 867. [2020-10-13 06:11:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-13 06:11:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 961 transitions. [2020-10-13 06:11:18,698 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 961 transitions. Word has length 262 [2020-10-13 06:11:18,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:18,698 INFO L479 AbstractCegarLoop]: Abstraction has 867 states and 961 transitions. [2020-10-13 06:11:18,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:11:18,698 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 961 transitions. [2020-10-13 06:11:18,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-10-13 06:11:18,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:18,703 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:11:18,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 06:11:18,703 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:18,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:18,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1450561404, now seen corresponding path program 1 times [2020-10-13 06:11:18,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:18,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754049349] [2020-10-13 06:11:18,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:18,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:19,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:19,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:19,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:19,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:19,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:20,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:21,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:21,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-13 06:11:21,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 06:11:21,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3018 [2020-10-13 06:11:21,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:21,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:21,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-10-13 06:11:21,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:11:21,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:21,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:21,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:21,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:21,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:21,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:21,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:11:21,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:21,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:21,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:21,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:21,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:21,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:21,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:21,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:21,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:11:21,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:21,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 06:11:21,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:21,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:21,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:21,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:21,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:21,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:11:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:21,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:21,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:21,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:11:21,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:21,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 06:11:21,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:21,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:21,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:11:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:21,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:21,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:21,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 06:11:21,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:21,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 06:11:21,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:21,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:21,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:21,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 06:11:21,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:21,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 06:11:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:21,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:21,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:21,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 06:11:21,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:21,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 06:11:21,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 06:11:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:11:22,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:22,094 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 336 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-13 06:11:22,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754049349] [2020-10-13 06:11:22,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:22,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 06:11:22,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153328406] [2020-10-13 06:11:22,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 06:11:22,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:22,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 06:11:22,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:11:22,096 INFO L87 Difference]: Start difference. First operand 867 states and 961 transitions. Second operand 7 states. [2020-10-13 06:11:22,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:22,850 INFO L93 Difference]: Finished difference Result 1259 states and 1375 transitions. [2020-10-13 06:11:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 06:11:22,851 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 317 [2020-10-13 06:11:22,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:22,852 INFO L225 Difference]: With dead ends: 1259 [2020-10-13 06:11:22,852 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 06:11:22,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-13 06:11:22,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 06:11:22,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 06:11:22,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 06:11:22,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 06:11:22,857 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 317 [2020-10-13 06:11:22,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:22,858 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 06:11:22,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 06:11:22,858 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 06:11:22,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 06:11:22,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 06:11:22,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 06:11:23,511 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 125 [2020-10-13 06:11:23,932 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 165 [2020-10-13 06:11:27,120 WARN L193 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 235 DAG size of output: 179 [2020-10-13 06:11:27,664 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2020-10-13 06:11:28,777 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 141 DAG size of output: 111 [2020-10-13 06:11:28,781 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:11:28,782 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-13 06:11:28,782 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:11:28,782 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,782 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,783 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,783 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,783 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,783 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-13 06:11:28,783 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-13 06:11:28,784 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-13 06:11:28,784 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-13 06:11:28,784 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-13 06:11:28,784 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-13 06:11:28,784 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-13 06:11:28,784 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-13 06:11:28,784 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-13 06:11:28,784 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-13 06:11:28,785 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:11:28,785 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:11:28,785 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-13 06:11:28,785 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,785 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,785 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,785 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,785 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-13 06:11:28,785 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,786 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-13 06:11:28,786 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-13 06:11:28,786 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-13 06:11:28,786 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-13 06:11:28,786 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-13 06:11:28,786 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-13 06:11:28,787 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-13 06:11:28,787 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:11:28,787 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:11:28,787 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-13 06:11:28,787 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-13 06:11:28,787 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-13 06:11:28,787 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:11:28,788 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:11:28,788 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-13 06:11:28,788 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,789 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,789 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,789 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,790 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,790 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2020-10-13 06:11:28,790 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:11:28,790 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-13 06:11:28,790 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:11:28,790 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-13 06:11:28,790 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-13 06:11:28,790 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-13 06:11:28,790 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-13 06:11:28,791 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-13 06:11:28,791 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-13 06:11:28,791 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-13 06:11:28,791 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-13 06:11:28,791 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,791 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,791 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,791 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,791 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,792 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-13 06:11:28,792 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-13 06:11:28,792 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-13 06:11:28,792 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-13 06:11:28,792 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-13 06:11:28,792 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-13 06:11:28,792 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-13 06:11:28,792 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-13 06:11:28,792 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-13 06:11:28,792 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-13 06:11:28,792 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-13 06:11:28,793 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-13 06:11:28,794 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-13 06:11:28,794 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,794 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,794 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,794 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,794 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,795 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-13 06:11:28,795 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-13 06:11:28,795 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-13 06:11:28,795 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-13 06:11:28,795 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-13 06:11:28,796 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-13 06:11:28,796 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-13 06:11:28,796 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-13 06:11:28,796 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-13 06:11:28,796 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-13 06:11:28,796 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-13 06:11:28,796 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-13 06:11:28,796 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-13 06:11:28,796 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:11:28,796 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-13 06:11:28,797 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:11:28,797 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,797 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,797 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,797 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,797 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-13 06:11:28,797 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,797 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:11:28,797 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,797 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:11:28,798 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:11:28,798 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:11:28,798 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,798 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,799 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-13 06:11:28,799 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-13 06:11:28,799 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-13 06:11:28,799 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-13 06:11:28,799 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-13 06:11:28,799 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-13 06:11:28,799 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-13 06:11:28,799 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-13 06:11:28,799 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-13 06:11:28,800 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-13 06:11:28,800 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-13 06:11:28,800 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,800 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,800 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,800 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,800 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,800 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,800 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-13 06:11:28,800 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-13 06:11:28,801 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-13 06:11:28,801 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-13 06:11:28,801 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-13 06:11:28,801 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-13 06:11:28,801 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-13 06:11:28,801 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-13 06:11:28,801 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-13 06:11:28,802 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-13 06:11:28,802 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-13 06:11:28,802 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,802 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,802 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,802 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,803 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,803 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,803 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-13 06:11:28,803 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-13 06:11:28,803 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-13 06:11:28,803 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-13 06:11:28,803 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-13 06:11:28,803 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-13 06:11:28,803 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-13 06:11:28,803 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-13 06:11:28,803 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-13 06:11:28,804 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-13 06:11:28,804 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-13 06:11:28,804 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-13 06:11:28,804 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-13 06:11:28,804 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-13 06:11:28,804 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,804 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,804 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,805 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse29 (= |old(~a19~0)| 1)) (.cse32 (not (= |calculate_output_#in~input| 3))) (.cse33 (not (= |calculate_output_#in~input| 4))) (.cse34 (not (= |calculate_output_#in~input| 5))) (.cse35 (not (= |calculate_output_#in~input| 6))) (.cse13 (= |old(~a11~0)| 1)) (.cse14 (= ~a25~0 |old(~a25~0)|)) (.cse8 (= ~a28~0 9)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse6 (= ~a17~0 8)) (.cse7 (= ~a25~0 1)) (.cse9 (= ~a19~0 |old(~a19~0)|)) (.cse36 (= ~a28~0 10))) (let ((.cse25 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse18 (not (<= |old(~a11~0)| 1))) (.cse20 (not (<= 1 |old(~a11~0)|))) (.cse21 (<= 1 ~a11~0)) (.cse22 (<= ~a11~0 1)) (.cse17 (not (<= |old(~a19~0)| 0))) (.cse27 (and .cse5 .cse6 .cse7 .cse9 .cse36)) (.cse19 (not (<= |old(~a25~0)| 0))) (.cse26 (not (= 10 |old(~a28~0)|))) (.cse15 (= 7 ~a28~0)) (.cse16 (not (= 7 |old(~a28~0)|))) (.cse31 (and .cse5 .cse14 .cse6 .cse8 .cse9)) (.cse23 (not (= 7 |old(~a17~0)|))) (.cse24 (= 7 ~a17~0)) (.cse12 (not (= 0 |old(~a19~0)|))) (.cse3 (not (= 9 |old(~a28~0)|))) (.cse10 (not .cse13)) (.cse11 (and .cse32 .cse33 (not (= |calculate_output_#in~input| 1)) .cse34 .cse35)) (.cse0 (not (= |old(~a25~0)| 1))) (.cse28 (= ~a28~0 8)) (.cse1 (not .cse29)) (.cse2 (not (= 8 |old(~a17~0)|))) (.cse4 (not (= ~a21~0 1))) (.cse30 (not (= 8 |old(~a28~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8 .cse9) .cse10) (or .cse11 .cse12 .cse2 .cse13 (and (= ~a19~0 0) .cse5 .cse14 .cse6 .cse15) .cse4 .cse16) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (not (< 1 |old(~a19~0)|)) .cse17) .cse18 (not (<= 8 |old(~a17~0)|)) (not (<= 7 |old(~a28~0)|)) .cse19 .cse4 .cse20 (and (= ~a17~0 |old(~a17~0)|) .cse21 (<= 7 ~a28~0) .cse14 .cse22 (<= ~a28~0 7) .cse9)) (or .cse0 .cse23 (not (= |old(~a17~0)| |old(~a28~0)|)) (not (= |old(~a19~0)| |old(~a25~0)|)) .cse4 (and .cse24 .cse5 .cse7 .cse9 (= ~a28~0 ~a17~0)) .cse25) (or .cse11 .cse1 (not (= 0 |old(~a11~0)|)) (and .cse5 .cse14 .cse6 .cse15 .cse9) .cse2 .cse4 .cse16 .cse25) (or .cse0 .cse26 .cse1 .cse2 .cse27 .cse4 .cse10) (or .cse18 (not (<= |old(~a28~0)| 10)) (not (<= 7 |old(~a17~0)|)) (not (<= |old(~a17~0)| 7)) .cse19 (not (<= 10 |old(~a28~0)|)) .cse4 .cse20 (and .cse21 (<= 7 ~a17~0) (<= 10 ~a28~0) .cse14 .cse22 (<= ~a28~0 10) (<= ~a17~0 7) .cse9) .cse17) (or .cse11 .cse0 .cse26 .cse2 .cse13 .cse27 .cse4) (or .cse11 (and .cse5 .cse14 .cse6 .cse28 .cse9) .cse29 .cse2 (not (= 0 |old(~a25~0)|)) .cse13 .cse4 .cse30) (or .cse0 .cse1 (not (= 11 |old(~a28~0)|)) .cse2 .cse13 .cse4 (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) (and .cse5 .cse6 .cse7 .cse9 (= ~a28~0 11))) (or .cse1 .cse2 .cse19 .cse3 .cse4 .cse31 .cse10) (or .cse26 (and .cse32 .cse33 (not (= |calculate_output_#in~input| |old(~a19~0)|)) .cse34 .cse35) .cse1 .cse2 .cse13 .cse4 (and .cse5 .cse14 .cse6 .cse9 .cse36)) (or .cse0 .cse2 .cse13 .cse4 (and .cse5 .cse6 .cse15 .cse7 .cse9) .cse16) (or .cse11 .cse1 .cse2 .cse13 .cse3 .cse4 .cse31) (or .cse0 .cse23 (and .cse24 .cse5 .cse7 .cse8 .cse9) .cse12 .cse3 .cse4 .cse10) (or .cse11 .cse0 (and .cse5 .cse6 .cse7 .cse28 .cse9) .cse1 .cse2 .cse13 .cse4 .cse30)))) [2020-10-13 06:11:28,805 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,805 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,805 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,805 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-13 06:11:28,805 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-13 06:11:28,805 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-13 06:11:28,805 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-13 06:11:28,805 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-13 06:11:28,805 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-13 06:11:28,805 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-13 06:11:28,806 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,807 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:11:28,808 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-13 06:11:28,809 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:11:28,809 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:11:28,809 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-13 06:11:28,809 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-13 06:11:28,809 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:11:28,809 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (= ~a11~0 0)) [2020-10-13 06:11:28,809 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 06:11:28,809 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:11:28,809 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-13 06:11:28,809 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse8 (= ~a11~0 1))) (let ((.cse4 (= ~a19~0 0)) (.cse14 (= ~a28~0 8)) (.cse5 (= 7 ~a17~0)) (.cse12 (= 7 ~a28~0)) (.cse0 (<= 1 ~a11~0)) (.cse3 (<= ~a19~0 0)) (.cse1 (<= ~a11~0 1)) (.cse2 (<= ~a25~0 0)) (.cse7 (= ~a28~0 9)) (.cse13 (= ~a28~0 10)) (.cse9 (= ~a19~0 1)) (.cse10 (= ~a17~0 8)) (.cse6 (= ~a25~0 1)) (.cse11 (not .cse8))) (or (and .cse0 (<= 7 ~a28~0) .cse1 (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8) .cse2 (or .cse3 (< 1 ~a19~0))) (and .cse4 .cse5 .cse6 .cse7 .cse8) (not (= |old(~a19~0)| 1)) (and .cse9 .cse10 .cse7 .cse11) (and .cse4 .cse10 .cse12 .cse11) (not (= 8 |old(~a17~0)|)) (and .cse10 .cse6 .cse11 .cse13) (and .cse9 .cse10 .cse7 .cse2) (and (= ~a25~0 0) .cse10 (not .cse9) .cse11 .cse14) (and .cse9 .cse10 .cse6 .cse11 .cse14) (and .cse9 .cse10 .cse11 .cse13) (and (= ~a25~0 ~a11~0) .cse5 .cse6 (= ~a25~0 ~a19~0) (= ~a28~0 ~a17~0)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse10 .cse12 (= ~a19~0 |old(~a19~0)|)) (and .cse10 .cse12 .cse6 .cse11) (and .cse0 .cse3 (<= 7 ~a17~0) (<= 10 ~a28~0) .cse1 (<= ~a17~0 7) .cse2 (<= ~a28~0 10)) (and .cse9 .cse10 .cse6 .cse7) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and .cse9 .cse10 .cse6 .cse13) (and .cse9 .cse10 .cse6 .cse11 (= ~a28~0 11)) (not (= |old(~a11~0)| |old(~a25~0)|))))) [2020-10-13 06:11:28,809 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:11:28,810 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:11:28,810 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse13 (= ~a11~0 1)) (.cse15 (= 5 main_~input~0)) (.cse16 (= 6 main_~input~0)) (.cse17 (= main_~input~0 4)) (.cse18 (= 3 main_~input~0))) (let ((.cse5 (= ~a28~0 8)) (.cse10 (= ~a19~0 0)) (.cse11 (= 7 ~a17~0)) (.cse19 (= 7 ~a28~0)) (.cse6 (<= 1 ~a11~0)) (.cse9 (<= ~a19~0 0)) (.cse7 (<= ~a11~0 1)) (.cse8 (<= ~a25~0 0)) (.cse14 (= ~a28~0 10)) (.cse3 (= ~a25~0 1)) (.cse0 (or .cse15 .cse16 .cse17 .cse18 (= main_~input~0 1))) (.cse1 (= ~a19~0 1)) (.cse2 (= ~a17~0 8)) (.cse12 (= ~a28~0 9)) (.cse4 (not .cse13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= 7 ~a28~0) .cse7 (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8) .cse8 (or .cse9 (< 1 ~a19~0))) (and .cse10 .cse11 .cse3 .cse12 .cse13) (not (= |old(~a19~0)| 1)) (and .cse0 (= ~a25~0 0) .cse2 (not .cse1) .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 .cse14) (and .cse1 .cse2 (or (= ~a19~0 main_~input~0) .cse15 .cse16 .cse17 .cse18) .cse4 .cse14) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse2 .cse12 .cse13 .cse8) (and .cse1 .cse2 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0))) .cse3 .cse4 (= ~a28~0 11)) (and .cse0 .cse10 .cse2 .cse19 .cse4) (and .cse0 (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse2 .cse19 (= ~a19~0 |old(~a19~0)|)) (and (= ~a25~0 ~a11~0) .cse11 .cse3 (= ~a25~0 ~a19~0) (= ~a28~0 ~a17~0)) (not (= 0 |old(~a11~0)|)) (and .cse2 .cse19 .cse3 .cse4) (and .cse6 .cse9 (<= 7 ~a17~0) (<= 10 ~a28~0) .cse7 (<= ~a17~0 7) .cse8 (<= ~a28~0 10)) (not (= ~a21~0 1)) (and .cse1 .cse2 .cse3 .cse13 .cse14) (and .cse1 .cse2 .cse3 .cse12 .cse13) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse12 .cse4) (not (= |old(~a11~0)| |old(~a25~0)|))))) [2020-10-13 06:11:28,810 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-13 06:11:28,810 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-13 06:11:28,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:11:28 BoogieIcfgContainer [2020-10-13 06:11:28,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 06:11:28,848 INFO L168 Benchmark]: Toolchain (without parser) took 79236.28 ms. Allocated memory was 143.7 MB in the beginning and 926.4 MB in the end (delta: 782.8 MB). Free memory was 103.8 MB in the beginning and 681.7 MB in the end (delta: -577.9 MB). Peak memory consumption was 775.4 MB. Max. memory is 7.1 GB. [2020-10-13 06:11:28,849 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 143.7 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 06:11:28,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 816.63 ms. Allocated memory was 143.7 MB in the beginning and 206.6 MB in the end (delta: 62.9 MB). Free memory was 103.6 MB in the beginning and 172.9 MB in the end (delta: -69.3 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2020-10-13 06:11:28,850 INFO L168 Benchmark]: Boogie Preprocessor took 163.25 ms. Allocated memory is still 206.6 MB. Free memory was 172.9 MB in the beginning and 168.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-10-13 06:11:28,851 INFO L168 Benchmark]: RCFGBuilder took 1215.37 ms. Allocated memory was 206.6 MB in the beginning and 233.8 MB in the end (delta: 27.3 MB). Free memory was 168.4 MB in the beginning and 171.0 MB in the end (delta: -2.7 MB). Peak memory consumption was 74.6 MB. Max. memory is 7.1 GB. [2020-10-13 06:11:28,854 INFO L168 Benchmark]: TraceAbstraction took 77035.58 ms. Allocated memory was 233.8 MB in the beginning and 926.4 MB in the end (delta: 692.6 MB). Free memory was 169.7 MB in the beginning and 681.7 MB in the end (delta: -512.0 MB). Peak memory consumption was 751.2 MB. Max. memory is 7.1 GB. [2020-10-13 06:11:28,860 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 143.7 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 816.63 ms. Allocated memory was 143.7 MB in the beginning and 206.6 MB in the end (delta: 62.9 MB). Free memory was 103.6 MB in the beginning and 172.9 MB in the end (delta: -69.3 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 163.25 ms. Allocated memory is still 206.6 MB. Free memory was 172.9 MB in the beginning and 168.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1215.37 ms. Allocated memory was 206.6 MB in the beginning and 233.8 MB in the end (delta: 27.3 MB). Free memory was 168.4 MB in the beginning and 171.0 MB in the end (delta: -2.7 MB). Peak memory consumption was 74.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 77035.58 ms. Allocated memory was 233.8 MB in the beginning and 926.4 MB in the end (delta: 692.6 MB). Free memory was 169.7 MB in the beginning and 681.7 MB in the end (delta: -512.0 MB). Peak memory consumption was 751.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 463]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((1 <= a11 && 7 <= a28) && a11 <= 1) && 8 <= a17) && a28 <= 7) && a17 <= 8) && a25 <= 0) && (a19 <= 0 || 1 < a19)) || ((((a19 == 0 && 7 == a17) && a25 == 1) && a28 == 9) && a11 == 1)) || !(\old(a19) == 1)) || (((a19 == 1 && a17 == 8) && a28 == 9) && !(a11 == 1))) || (((a19 == 0 && a17 == 8) && 7 == a28) && !(a11 == 1))) || !(8 == \old(a17))) || (((a17 == 8 && a25 == 1) && !(a11 == 1)) && a28 == 10)) || (((a19 == 1 && a17 == 8) && a28 == 9) && a25 <= 0)) || ((((a25 == 0 && a17 == 8) && !(a19 == 1)) && !(a11 == 1)) && a28 == 8)) || ((((a19 == 1 && a17 == 8) && a25 == 1) && !(a11 == 1)) && a28 == 8)) || (((a19 == 1 && a17 == 8) && !(a11 == 1)) && a28 == 10)) || ((((a25 == a11 && 7 == a17) && a25 == 1) && a25 == a19) && a28 == a17)) || !(0 == \old(a11))) || ((((a11 == \old(a11) && a25 == \old(a25)) && a17 == 8) && 7 == a28) && a19 == \old(a19))) || (((a17 == 8 && 7 == a28) && a25 == 1) && !(a11 == 1))) || (((((((1 <= a11 && a19 <= 0) && 7 <= a17) && 10 <= a28) && a11 <= 1) && a17 <= 7) && a25 <= 0) && a28 <= 10)) || (((a19 == 1 && a17 == 8) && a25 == 1) && a28 == 9)) || !(a21 == 1)) || !(7 == \old(a28))) || (((a19 == 1 && a17 == 8) && a25 == 1) && a28 == 10)) || ((((a19 == 1 && a17 == 8) && a25 == 1) && !(a11 == 1)) && a28 == 11)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 70.9s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 30.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 673 SDtfs, 7268 SDslu, 939 SDs, 0 SdLazy, 14440 SolverSat, 1250 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 399 GetRequests, 159 SyntacticMatches, 9 SemanticMatches, 231 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 13.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=867occurred in iteration=15, 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, 18 MinimizatonAttempts, 200 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 108 PreInvPairs, 145 NumberOfFragments, 1711 HoareAnnotationTreeSize, 108 FomulaSimplifications, 20709889 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1687 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 36.7s InterpolantComputationTime, 3435 NumberOfCodeBlocks, 3435 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3417 ConstructedInterpolants, 0 QuantifiedInterpolants, 7438796 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 1 PerfectInterpolantSequences, 2294/2328 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...