/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=BIGGEST --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/Problem01_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 11:06:02,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 11:06:02,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 11:06:02,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 11:06:02,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 11:06:02,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 11:06:02,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 11:06:02,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 11:06:02,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 11:06:02,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 11:06:02,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 11:06:02,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 11:06:02,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 11:06:02,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 11:06:02,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 11:06:02,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 11:06:02,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 11:06:02,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 11:06:02,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 11:06:02,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 11:06:02,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 11:06:02,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 11:06:02,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 11:06:02,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 11:06:02,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 11:06:02,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 11:06:02,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 11:06:02,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 11:06:02,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 11:06:02,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 11:06:02,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 11:06:02,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 11:06:02,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 11:06:02,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 11:06:02,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 11:06:02,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 11:06:02,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 11:06:02,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 11:06:02,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 11:06:02,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 11:06:02,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 11:06:02,236 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 [2020-10-12 11:06:02,258 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 11:06:02,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 11:06:02,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 11:06:02,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 11:06:02,260 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 11:06:02,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 11:06:02,260 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 11:06:02,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 11:06:02,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 11:06:02,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 11:06:02,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 11:06:02,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 11:06:02,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 11:06:02,262 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 11:06:02,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 11:06:02,262 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 11:06:02,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 11:06:02,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 11:06:02,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 11:06:02,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 11:06:02,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 11:06:02,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:06:02,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 11:06:02,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 11:06:02,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 11:06:02,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 11:06:02,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 11:06:02,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 11:06:02,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 11:06:02,265 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 11:06:02,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 11:06:02,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 11:06:02,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 11:06:02,666 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 11:06:02,667 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 11:06:02,667 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label25.c [2020-10-12 11:06:02,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72a3f672f/3e5e528465834e7ea2ceb02b0100b90c/FLAGb5cf7560d [2020-10-12 11:06:03,327 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 11:06:03,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label25.c [2020-10-12 11:06:03,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72a3f672f/3e5e528465834e7ea2ceb02b0100b90c/FLAGb5cf7560d [2020-10-12 11:06:03,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72a3f672f/3e5e528465834e7ea2ceb02b0100b90c [2020-10-12 11:06:03,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 11:06:03,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 11:06:03,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 11:06:03,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 11:06:03,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 11:06:03,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:06:03" (1/1) ... [2020-10-12 11:06:03,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b5b041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:03, skipping insertion in model container [2020-10-12 11:06:03,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:06:03" (1/1) ... [2020-10-12 11:06:03,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 11:06:03,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 11:06:04,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:06:04,082 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 11:06:04,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:06:04,334 INFO L208 MainTranslator]: Completed translation [2020-10-12 11:06:04,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:04 WrapperNode [2020-10-12 11:06:04,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 11:06:04,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 11:06:04,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 11:06:04,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 11:06:04,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:04" (1/1) ... [2020-10-12 11:06:04,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:04" (1/1) ... [2020-10-12 11:06:04,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:04" (1/1) ... [2020-10-12 11:06:04,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:04" (1/1) ... [2020-10-12 11:06:04,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:04" (1/1) ... [2020-10-12 11:06:04,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:04" (1/1) ... [2020-10-12 11:06:04,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:04" (1/1) ... [2020-10-12 11:06:04,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 11:06:04,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 11:06:04,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 11:06:04,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 11:06:04,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:04" (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 [2020-10-12 11:06:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 11:06:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 11:06:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 11:06:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 11:06:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 11:06:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 11:06:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 11:06:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 11:06:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 11:06:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 11:06:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 11:06:05,614 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 11:06:05,614 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 11:06:05,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:06:05 BoogieIcfgContainer [2020-10-12 11:06:05,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 11:06:05,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 11:06:05,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 11:06:05,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 11:06:05,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:06:03" (1/3) ... [2020-10-12 11:06:05,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4463f11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:06:05, skipping insertion in model container [2020-10-12 11:06:05,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:04" (2/3) ... [2020-10-12 11:06:05,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4463f11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:06:05, skipping insertion in model container [2020-10-12 11:06:05,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:06:05" (3/3) ... [2020-10-12 11:06:05,629 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label25.c [2020-10-12 11:06:05,639 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 11:06:05,647 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 11:06:05,661 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 11:06:05,690 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 11:06:05,690 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 11:06:05,690 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 11:06:05,690 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 11:06:05,691 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 11:06:05,691 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 11:06:05,691 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 11:06:05,691 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 11:06:05,714 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-12 11:06:05,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-12 11:06:05,728 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:05,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:06:05,730 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:05,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:05,736 INFO L82 PathProgramCache]: Analyzing trace with hash -665077081, now seen corresponding path program 1 times [2020-10-12 11:06:05,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:05,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064232550] [2020-10-12 11:06:05,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:06,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:06,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:07,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:07,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 11:06:07,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:06:07,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1616 [2020-10-12 11:06:07,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:07,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 11:06:07,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:06:07,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 11:06:07,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 11:06:08,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:08,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:08,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:08,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:08,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:08,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 11:06:08,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:06:08,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:06:08,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:06:08,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064232550] [2020-10-12 11:06:08,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 11:06:08,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 11:06:08,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102164134] [2020-10-12 11:06:08,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:06:08,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:08,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:06:08,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:06:08,554 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 12 states. [2020-10-12 11:06:09,327 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2020-10-12 11:06:09,561 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2020-10-12 11:06:09,929 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2020-10-12 11:06:10,427 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2020-10-12 11:06:10,793 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2020-10-12 11:06:11,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:11,564 INFO L93 Difference]: Finished difference Result 474 states and 793 transitions. [2020-10-12 11:06:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 11:06:11,569 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 125 [2020-10-12 11:06:11,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:11,596 INFO L225 Difference]: With dead ends: 474 [2020-10-12 11:06:11,596 INFO L226 Difference]: Without dead ends: 205 [2020-10-12 11:06:11,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2020-10-12 11:06:11,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-12 11:06:11,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2020-10-12 11:06:11,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-12 11:06:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 277 transitions. [2020-10-12 11:06:11,667 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 277 transitions. Word has length 125 [2020-10-12 11:06:11,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:11,667 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 277 transitions. [2020-10-12 11:06:11,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:06:11,668 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2020-10-12 11:06:11,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-12 11:06:11,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:11,672 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:06:11,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 11:06:11,673 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:11,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:11,673 INFO L82 PathProgramCache]: Analyzing trace with hash -904401492, now seen corresponding path program 1 times [2020-10-12 11:06:11,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:11,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212764047] [2020-10-12 11:06:11,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:11,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:11,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:12,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:13,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:13,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-12 11:06:13,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:06:13,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1489 [2020-10-12 11:06:13,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:13,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:06:13,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 11:06:13,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-12 11:06:13,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:13,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:13,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:13,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:13,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:13,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:13,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:06:13,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:13,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:13,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:13,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:13,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:13,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:13,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:13,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:13,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:06:13,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:13,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:06:13,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:06:13,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:06:13,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212764047] [2020-10-12 11:06:13,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:13,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 11:06:13,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850530798] [2020-10-12 11:06:13,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 11:06:13,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:13,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 11:06:13,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-10-12 11:06:13,906 INFO L87 Difference]: Start difference. First operand 205 states and 277 transitions. Second operand 14 states. [2020-10-12 11:06:14,259 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-10-12 11:06:14,474 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-10-12 11:06:14,952 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2020-10-12 11:06:16,071 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2020-10-12 11:06:16,419 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-10-12 11:06:16,827 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-10-12 11:06:17,020 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-10-12 11:06:18,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:18,190 INFO L93 Difference]: Finished difference Result 508 states and 777 transitions. [2020-10-12 11:06:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-12 11:06:18,190 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 133 [2020-10-12 11:06:18,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:18,196 INFO L225 Difference]: With dead ends: 508 [2020-10-12 11:06:18,196 INFO L226 Difference]: Without dead ends: 369 [2020-10-12 11:06:18,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=316, Invalid=740, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 11:06:18,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-10-12 11:06:18,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 278. [2020-10-12 11:06:18,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-10-12 11:06:18,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 357 transitions. [2020-10-12 11:06:18,236 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 357 transitions. Word has length 133 [2020-10-12 11:06:18,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:18,237 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 357 transitions. [2020-10-12 11:06:18,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 11:06:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 357 transitions. [2020-10-12 11:06:18,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-12 11:06:18,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:18,240 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:06:18,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 11:06:18,241 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:18,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:18,241 INFO L82 PathProgramCache]: Analyzing trace with hash -389559698, now seen corresponding path program 1 times [2020-10-12 11:06:18,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:18,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734754810] [2020-10-12 11:06:18,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:18,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:18,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:18,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:18,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-12 11:06:18,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:06:18,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-10-12 11:06:18,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:18,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:06:18,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 11:06:18,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 11:06:18,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:18,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:18,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:18,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:18,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:18,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:18,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:06:18,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:18,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:18,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:18,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:18,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:18,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:18,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:18,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:18,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 11:06:18,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:18,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:06:18,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:18,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:18,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:18,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 11:06:18,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:06:18,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734754810] [2020-10-12 11:06:18,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:18,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:06:18,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761541624] [2020-10-12 11:06:18,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:06:18,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:18,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:06:18,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:06:18,810 INFO L87 Difference]: Start difference. First operand 278 states and 357 transitions. Second operand 6 states. [2020-10-12 11:06:20,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:20,383 INFO L93 Difference]: Finished difference Result 766 states and 1069 transitions. [2020-10-12 11:06:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:06:20,384 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2020-10-12 11:06:20,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:20,391 INFO L225 Difference]: With dead ends: 766 [2020-10-12 11:06:20,391 INFO L226 Difference]: Without dead ends: 554 [2020-10-12 11:06:20,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:06:20,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2020-10-12 11:06:20,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2020-10-12 11:06:20,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-10-12 11:06:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 742 transitions. [2020-10-12 11:06:20,428 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 742 transitions. Word has length 136 [2020-10-12 11:06:20,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:20,428 INFO L479 AbstractCegarLoop]: Abstraction has 554 states and 742 transitions. [2020-10-12 11:06:20,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:06:20,429 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 742 transitions. [2020-10-12 11:06:20,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-12 11:06:20,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:20,435 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:06:20,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 11:06:20,435 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:20,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:20,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1203912387, now seen corresponding path program 1 times [2020-10-12 11:06:20,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:20,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486030898] [2020-10-12 11:06:20,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:20,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:20,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:20,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:22,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:24,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:24,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-12 11:06:24,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:06:24,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4193 [2020-10-12 11:06:24,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:24,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:06:24,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-12 11:06:24,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 11:06:24,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:25,331 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 39 [2020-10-12 11:06:25,569 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 36 [2020-10-12 11:06:25,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:25,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:25,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:25,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:25,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:25,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:06:25,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:25,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:25,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:25,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:25,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:25,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 11:06:25,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:25,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:06:25,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:25,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:25,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:25,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:25,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 11:06:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:25,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:25,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:25,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 11:06:25,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:25,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 11:06:25,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:25,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:25,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:25,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 11:06:25,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 11:06:26,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486030898] [2020-10-12 11:06:26,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:26,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:06:26,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147988439] [2020-10-12 11:06:26,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:06:26,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:26,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:06:26,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:06:26,033 INFO L87 Difference]: Start difference. First operand 554 states and 742 transitions. Second operand 13 states. [2020-10-12 11:06:26,536 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-12 11:06:26,844 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2020-10-12 11:06:27,107 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2020-10-12 11:06:27,350 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2020-10-12 11:06:27,929 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2020-10-12 11:06:28,443 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2020-10-12 11:06:29,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:29,058 INFO L93 Difference]: Finished difference Result 1119 states and 1567 transitions. [2020-10-12 11:06:29,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:06:29,058 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 145 [2020-10-12 11:06:29,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:29,062 INFO L225 Difference]: With dead ends: 1119 [2020-10-12 11:06:29,063 INFO L226 Difference]: Without dead ends: 631 [2020-10-12 11:06:29,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-12 11:06:29,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2020-10-12 11:06:29,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 627. [2020-10-12 11:06:29,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-10-12 11:06:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 824 transitions. [2020-10-12 11:06:29,110 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 824 transitions. Word has length 145 [2020-10-12 11:06:29,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:29,110 INFO L479 AbstractCegarLoop]: Abstraction has 627 states and 824 transitions. [2020-10-12 11:06:29,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:06:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 824 transitions. [2020-10-12 11:06:29,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-12 11:06:29,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:29,116 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:06:29,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 11:06:29,117 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:29,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:29,117 INFO L82 PathProgramCache]: Analyzing trace with hash 513207895, now seen corresponding path program 1 times [2020-10-12 11:06:29,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:29,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637517227] [2020-10-12 11:06:29,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:29,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:29,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:29,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:29,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:29,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:33,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:33,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-12 11:06:33,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:06:33,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4750 [2020-10-12 11:06:33,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:33,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:06:33,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-12 11:06:33,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 11:06:33,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:34,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:34,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:34,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:34,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:34,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:06:34,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:34,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:34,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:34,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:34,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-12 11:06:34,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:34,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:34,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:34,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 11:06:34,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:34,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:06:34,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:34,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:06:34,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 11:06:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:34,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:34,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:34,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 11:06:34,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:34,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 11:06:34,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:34,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 11:06:34,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 11:06:34,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637517227] [2020-10-12 11:06:34,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:34,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 11:06:34,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920090304] [2020-10-12 11:06:34,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 11:06:34,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:34,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 11:06:34,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2020-10-12 11:06:34,899 INFO L87 Difference]: Start difference. First operand 627 states and 824 transitions. Second operand 14 states. [2020-10-12 11:06:35,623 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-10-12 11:06:35,821 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-10-12 11:06:36,624 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2020-10-12 11:06:37,255 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2020-10-12 11:06:37,519 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-10-12 11:06:37,794 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-10-12 11:06:38,578 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2020-10-12 11:06:38,874 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-10-12 11:06:39,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:39,139 INFO L93 Difference]: Finished difference Result 1310 states and 1824 transitions. [2020-10-12 11:06:39,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 11:06:39,140 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2020-10-12 11:06:39,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:39,145 INFO L225 Difference]: With dead ends: 1310 [2020-10-12 11:06:39,145 INFO L226 Difference]: Without dead ends: 749 [2020-10-12 11:06:39,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=288, Invalid=704, Unknown=0, NotChecked=0, Total=992 [2020-10-12 11:06:39,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2020-10-12 11:06:39,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 687. [2020-10-12 11:06:39,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-10-12 11:06:39,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 894 transitions. [2020-10-12 11:06:39,173 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 894 transitions. Word has length 155 [2020-10-12 11:06:39,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:39,174 INFO L479 AbstractCegarLoop]: Abstraction has 687 states and 894 transitions. [2020-10-12 11:06:39,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 11:06:39,174 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 894 transitions. [2020-10-12 11:06:39,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 11:06:39,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:39,178 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:06:39,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 11:06:39,178 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:39,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:39,178 INFO L82 PathProgramCache]: Analyzing trace with hash -807202465, now seen corresponding path program 1 times [2020-10-12 11:06:39,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:39,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75913391] [2020-10-12 11:06:39,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:39,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:39,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:39,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:41,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:42,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:43,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:43,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 11:06:43,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:06:43,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4553 [2020-10-12 11:06:43,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:06:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-12 11:06:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 11:06:43,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 11:06:44,259 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-10-12 11:06:44,488 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2020-10-12 11:06:44,731 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 52 [2020-10-12 11:06:44,950 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 49 [2020-10-12 11:06:45,162 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 45 [2020-10-12 11:06:45,367 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 41 [2020-10-12 11:06:45,571 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 37 [2020-10-12 11:06:45,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:45,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:45,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:45,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:45,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:45,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:06:45,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:45,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:45,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:45,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:45,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:45,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 11:06:45,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:45,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:06:45,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:45,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:45,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:45,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:45,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:45,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 11:06:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:45,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:45,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:45,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 11:06:45,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:45,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 11:06:45,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 11:06:45,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:06:45,873 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 11:06:45,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75913391] [2020-10-12 11:06:45,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:45,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:06:45,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021630803] [2020-10-12 11:06:45,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:06:45,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:45,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:06:45,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:06:45,877 INFO L87 Difference]: Start difference. First operand 687 states and 894 transitions. Second operand 13 states. [2020-10-12 11:06:46,209 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2020-10-12 11:06:46,407 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-12 11:06:46,583 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 11:06:47,119 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2020-10-12 11:06:47,423 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2020-10-12 11:06:47,747 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 113 [2020-10-12 11:06:48,202 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 110 [2020-10-12 11:06:48,510 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 107 [2020-10-12 11:06:48,947 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 102 [2020-10-12 11:06:49,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:49,312 INFO L93 Difference]: Finished difference Result 1366 states and 1832 transitions. [2020-10-12 11:06:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:06:49,314 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 159 [2020-10-12 11:06:49,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:49,318 INFO L225 Difference]: With dead ends: 1366 [2020-10-12 11:06:49,318 INFO L226 Difference]: Without dead ends: 745 [2020-10-12 11:06:49,320 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2020-10-12 11:06:49,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-10-12 11:06:49,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 741. [2020-10-12 11:06:49,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2020-10-12 11:06:49,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 957 transitions. [2020-10-12 11:06:49,345 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 957 transitions. Word has length 159 [2020-10-12 11:06:49,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:49,346 INFO L479 AbstractCegarLoop]: Abstraction has 741 states and 957 transitions. [2020-10-12 11:06:49,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:06:49,346 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 957 transitions. [2020-10-12 11:06:49,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-12 11:06:49,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:49,350 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:06:49,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 11:06:49,350 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:49,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:49,351 INFO L82 PathProgramCache]: Analyzing trace with hash -295799393, now seen corresponding path program 1 times [2020-10-12 11:06:49,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:49,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1968597214] [2020-10-12 11:06:49,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:49,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:49,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:50,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:51,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:53,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:53,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-12 11:06:53,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:06:53,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3752 [2020-10-12 11:06:53,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:06:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-12 11:06:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:06:53,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:53,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:06:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:53,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:53,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:53,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:06:53,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:53,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:06:53,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:53,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:53,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:53,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:06:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:53,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:53,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:53,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 11:06:53,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:53,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:06:53,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:53,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:06:53,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:53,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:06:53,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:53,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 11:06:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:53,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:53,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:06:53,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 11:06:53,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:06:53,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:06:53,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:06:53,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:06:53,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:06:53,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 11:06:53,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:06:53,764 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 11:06:53,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1968597214] [2020-10-12 11:06:53,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:06:53,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 11:06:53,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270524441] [2020-10-12 11:06:53,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 11:06:53,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:06:53,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 11:06:53,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-10-12 11:06:53,766 INFO L87 Difference]: Start difference. First operand 741 states and 957 transitions. Second operand 14 states. [2020-10-12 11:06:54,340 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2020-10-12 11:06:54,550 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2020-10-12 11:06:54,785 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2020-10-12 11:06:55,022 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2020-10-12 11:06:56,018 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-10-12 11:06:56,359 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2020-10-12 11:06:56,680 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2020-10-12 11:06:57,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:06:57,276 INFO L93 Difference]: Finished difference Result 1540 states and 2103 transitions. [2020-10-12 11:06:57,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 11:06:57,277 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 166 [2020-10-12 11:06:57,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:06:57,282 INFO L225 Difference]: With dead ends: 1540 [2020-10-12 11:06:57,282 INFO L226 Difference]: Without dead ends: 865 [2020-10-12 11:06:57,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=281, Invalid=649, Unknown=0, NotChecked=0, Total=930 [2020-10-12 11:06:57,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2020-10-12 11:06:57,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 803. [2020-10-12 11:06:57,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2020-10-12 11:06:57,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1027 transitions. [2020-10-12 11:06:57,317 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1027 transitions. Word has length 166 [2020-10-12 11:06:57,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:06:57,317 INFO L479 AbstractCegarLoop]: Abstraction has 803 states and 1027 transitions. [2020-10-12 11:06:57,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 11:06:57,318 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1027 transitions. [2020-10-12 11:06:57,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-12 11:06:57,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:06:57,321 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:06:57,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 11:06:57,322 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:06:57,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:06:57,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1448136250, now seen corresponding path program 1 times [2020-10-12 11:06:57,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:06:57,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487990370] [2020-10-12 11:06:57,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:06:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:06:57,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:57,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:57,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:06:57,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:00,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:00,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:02,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:02,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 11:07:02,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 11:07:02,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 11:07:02,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:02,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 11:07:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-12 11:07:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 11:07:02,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:02,735 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-10-12 11:07:02,948 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2020-10-12 11:07:03,111 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2020-10-12 11:07:03,305 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 43 [2020-10-12 11:07:03,575 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 44 [2020-10-12 11:07:03,838 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 42 [2020-10-12 11:07:04,061 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 42 [2020-10-12 11:07:04,313 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 40 [2020-10-12 11:07:04,551 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 37 [2020-10-12 11:07:04,789 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2020-10-12 11:07:05,003 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2020-10-12 11:07:05,160 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2020-10-12 11:07:05,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:07:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:05,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:05,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:05,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:07:05,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:07:05,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:07:05,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:05,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:07:05,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:07:05,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:07:05,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:05,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:07:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:05,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:05,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:05,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 11:07:05,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:07:05,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:07:05,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:05,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:07:05,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:07:05,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:07:05,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:05,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 11:07:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:05,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:05,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:05,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 11:07:05,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:07:05,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 11:07:05,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:05,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:07:05,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:07:05,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 11:07:05,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:05,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 11:07:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:05,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:05,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:05,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:07:05,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:07:05,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 11:07:05,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:05,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:07:05,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:07:05,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 11:07:05,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:05,598 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 56 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 11:07:05,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487990370] [2020-10-12 11:07:05,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:07:05,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 11:07:05,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041272902] [2020-10-12 11:07:05,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 11:07:05,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:07:05,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 11:07:05,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:07:05,601 INFO L87 Difference]: Start difference. First operand 803 states and 1027 transitions. Second operand 20 states. [2020-10-12 11:07:06,217 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-10-12 11:07:06,619 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-12 11:07:06,921 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 110 [2020-10-12 11:07:07,246 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 111 [2020-10-12 11:07:07,562 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 111 [2020-10-12 11:07:07,870 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 109 [2020-10-12 11:07:08,666 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2020-10-12 11:07:08,886 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2020-10-12 11:07:09,255 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 108 [2020-10-12 11:07:09,660 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2020-10-12 11:07:10,017 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2020-10-12 11:07:10,490 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 104 [2020-10-12 11:07:10,767 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 98 [2020-10-12 11:07:11,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:07:11,276 INFO L93 Difference]: Finished difference Result 1683 states and 2221 transitions. [2020-10-12 11:07:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 11:07:11,277 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 179 [2020-10-12 11:07:11,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:07:11,282 INFO L225 Difference]: With dead ends: 1683 [2020-10-12 11:07:11,282 INFO L226 Difference]: Without dead ends: 946 [2020-10-12 11:07:11,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=434, Invalid=972, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 11:07:11,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-10-12 11:07:11,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 880. [2020-10-12 11:07:11,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-10-12 11:07:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1126 transitions. [2020-10-12 11:07:11,322 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1126 transitions. Word has length 179 [2020-10-12 11:07:11,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:07:11,323 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 1126 transitions. [2020-10-12 11:07:11,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 11:07:11,323 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1126 transitions. [2020-10-12 11:07:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-12 11:07:11,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:07:11,328 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:07:11,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 11:07:11,328 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:07:11,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:07:11,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1787531330, now seen corresponding path program 1 times [2020-10-12 11:07:11,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:07:11,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176657402] [2020-10-12 11:07:11,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:07:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:11,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:11,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:11,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:11,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:12,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:16,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:16,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-12 11:07:16,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:07:16,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-12 11:07:16,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:16,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 11:07:16,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 11:07:16,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 11:07:16,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:16,795 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-12 11:07:16,964 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-12 11:07:17,213 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2020-10-12 11:07:17,647 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 55 [2020-10-12 11:07:17,875 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 46 [2020-10-12 11:07:18,164 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2020-10-12 11:07:18,465 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 50 [2020-10-12 11:07:18,854 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 48 [2020-10-12 11:07:19,132 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 48 [2020-10-12 11:07:19,469 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 43 [2020-10-12 11:07:19,803 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 42 [2020-10-12 11:07:20,137 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2020-10-12 11:07:20,427 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 39 [2020-10-12 11:07:20,663 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2020-10-12 11:07:20,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:07:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:20,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:20,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:20,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:07:20,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:07:20,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:07:20,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:20,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:07:20,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:07:20,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:07:20,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:20,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:07:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:20,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:20,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:20,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 11:07:20,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:07:20,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:07:20,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:07:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:07:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:07:20,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:20,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 11:07:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:20,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:20,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:20,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 11:07:20,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:07:20,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 11:07:20,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:20,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:07:20,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:07:20,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 11:07:20,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:20,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 11:07:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:20,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:20,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:20,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:07:20,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:07:20,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 11:07:20,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:20,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:07:20,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:07:20,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 11:07:20,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:07:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 77 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 11:07:21,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176657402] [2020-10-12 11:07:21,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:07:21,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 11:07:21,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102681693] [2020-10-12 11:07:21,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 11:07:21,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:07:21,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 11:07:21,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:07:21,204 INFO L87 Difference]: Start difference. First operand 880 states and 1126 transitions. Second operand 20 states. [2020-10-12 11:07:21,747 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2020-10-12 11:07:22,059 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2020-10-12 11:07:22,510 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2020-10-12 11:07:22,846 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 111 [2020-10-12 11:07:23,188 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 112 [2020-10-12 11:07:23,572 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 112 [2020-10-12 11:07:23,937 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 110 [2020-10-12 11:07:24,297 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-10-12 11:07:24,864 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 112 [2020-10-12 11:07:25,104 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-10-12 11:07:25,520 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 107 [2020-10-12 11:07:25,756 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 42 [2020-10-12 11:07:26,154 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 106 [2020-10-12 11:07:26,567 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 106 [2020-10-12 11:07:27,101 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 105 [2020-10-12 11:07:27,413 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 99 [2020-10-12 11:07:28,031 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 52 [2020-10-12 11:07:28,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:07:28,433 INFO L93 Difference]: Finished difference Result 1775 states and 2349 transitions. [2020-10-12 11:07:28,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 11:07:28,438 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 200 [2020-10-12 11:07:28,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:07:28,444 INFO L225 Difference]: With dead ends: 1775 [2020-10-12 11:07:28,445 INFO L226 Difference]: Without dead ends: 961 [2020-10-12 11:07:28,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=466, Invalid=1094, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 11:07:28,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2020-10-12 11:07:28,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 865. [2020-10-12 11:07:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2020-10-12 11:07:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1105 transitions. [2020-10-12 11:07:28,492 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1105 transitions. Word has length 200 [2020-10-12 11:07:28,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:07:28,493 INFO L479 AbstractCegarLoop]: Abstraction has 865 states and 1105 transitions. [2020-10-12 11:07:28,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 11:07:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1105 transitions. [2020-10-12 11:07:28,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-12 11:07:28,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:07:28,498 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:07:28,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 11:07:28,499 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:07:28,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:07:28,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1790750420, now seen corresponding path program 1 times [2020-10-12 11:07:28,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:07:28,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060399486] [2020-10-12 11:07:28,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:07:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:28,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:28,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:28,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:29,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:29,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:30,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:30,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 11:07:30,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:07:30,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1834 [2020-10-12 11:07:30,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:30,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 11:07:30,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:07:30,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 11:07:30,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:30,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:07:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:30,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:30,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:30,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:07:30,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:07:30,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:07:30,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:07:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:07:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:07:30,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:30,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:07:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:30,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:30,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:30,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:30,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 11:07:30,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:07:30,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:07:30,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:07:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:07:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 11:07:30,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:30,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 11:07:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:30,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:30,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:30,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:07:30,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:07:30,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 11:07:30,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:30,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:07:30,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:07:30,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 11:07:30,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:30,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 11:07:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:30,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:30,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:30,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 11:07:30,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:07:30,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 11:07:30,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:07:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-12 11:07:30,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:07:30,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 94 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 11:07:30,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060399486] [2020-10-12 11:07:30,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:07:30,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:07:30,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634984095] [2020-10-12 11:07:30,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:07:30,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:07:30,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:07:30,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:07:30,604 INFO L87 Difference]: Start difference. First operand 865 states and 1105 transitions. Second operand 7 states. [2020-10-12 11:07:31,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:07:31,952 INFO L93 Difference]: Finished difference Result 1972 states and 2625 transitions. [2020-10-12 11:07:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 11:07:31,957 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 223 [2020-10-12 11:07:31,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:07:31,961 INFO L225 Difference]: With dead ends: 1972 [2020-10-12 11:07:31,961 INFO L226 Difference]: Without dead ends: 1173 [2020-10-12 11:07:31,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:07:31,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2020-10-12 11:07:31,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1155. [2020-10-12 11:07:31,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1155 states. [2020-10-12 11:07:31,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1390 transitions. [2020-10-12 11:07:31,998 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1390 transitions. Word has length 223 [2020-10-12 11:07:31,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:07:31,999 INFO L479 AbstractCegarLoop]: Abstraction has 1155 states and 1390 transitions. [2020-10-12 11:07:31,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:07:31,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1390 transitions. [2020-10-12 11:07:32,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-12 11:07:32,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:07:32,005 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 11:07:32,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 11:07:32,005 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:07:32,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:07:32,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1899445514, now seen corresponding path program 1 times [2020-10-12 11:07:32,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:07:32,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175052721] [2020-10-12 11:07:32,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:07:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:32,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:32,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:32,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:32,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:33,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:33,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:35,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:37,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:37,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 11:07:37,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 11:07:37,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-12 11:07:37,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 11:07:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 11:07:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 11:07:37,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:37,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:07:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:37,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:37,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:37,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:07:37,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:07:37,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:07:37,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:37,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:07:37,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:07:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:07:37,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:07:37,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:07:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:37,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:37,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:37,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:07:37,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:07:37,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:07:37,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:37,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:07:37,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:07:37,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:07:37,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:07:37,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 11:07:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:37,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:37,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:37,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-12 11:07:37,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:07:37,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-12 11:07:37,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:37,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:07:37,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:07:37,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 11:07:37,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:07:37,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 11:07:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:37,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:37,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:38,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:07:38,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 11:07:38,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:07:38,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 640 [2020-10-12 11:07:38,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:07:38,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 11:07:38,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:07:38,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 11:07:38,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:07:38,764 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 76 [2020-10-12 11:07:39,056 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2020-10-12 11:07:39,366 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-10-12 11:07:39,823 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-10-12 11:07:40,416 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 83 [2020-10-12 11:07:40,959 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 83 [2020-10-12 11:07:41,375 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 87 [2020-10-12 11:07:41,735 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 82 [2020-10-12 11:07:42,228 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2020-10-12 11:07:42,613 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 64 [2020-10-12 11:07:43,060 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-12 11:07:43,628 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 139 proven. 42 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 11:07:43,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175052721] [2020-10-12 11:07:43,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:07:43,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 11:07:43,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254349779] [2020-10-12 11:07:43,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 11:07:43,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:07:43,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 11:07:43,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:07:43,631 INFO L87 Difference]: Start difference. First operand 1155 states and 1390 transitions. Second operand 20 states. [2020-10-12 11:07:44,027 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 57 [2020-10-12 11:07:44,449 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 88 [2020-10-12 11:07:44,798 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 91 [2020-10-12 11:07:45,247 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 89 [2020-10-12 11:07:45,520 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2020-10-12 11:07:45,888 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 94 [2020-10-12 11:07:46,211 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2020-10-12 11:07:46,655 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 90 [2020-10-12 11:07:46,992 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 97 [2020-10-12 11:07:47,506 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 102 [2020-10-12 11:07:47,908 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2020-10-12 11:07:48,331 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 95 [2020-10-12 11:07:48,914 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 102 [2020-10-12 11:07:49,239 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 45 [2020-10-12 11:07:49,604 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 97 [2020-10-12 11:07:50,071 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 106 [2020-10-12 11:07:50,544 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 106 [2020-10-12 11:07:51,247 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 102 [2020-10-12 11:07:51,751 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 101 [2020-10-12 11:07:52,179 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 100 [2020-10-12 11:07:52,798 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 102 [2020-10-12 11:07:53,279 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 96 [2020-10-12 11:07:53,659 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 86 [2020-10-12 11:07:54,054 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 71 [2020-10-12 11:07:54,439 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 91 [2020-10-12 11:07:54,947 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 102 [2020-10-12 11:07:55,388 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2020-10-12 11:07:55,871 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 98 [2020-10-12 11:07:56,432 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 111 [2020-10-12 11:07:56,889 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 60 [2020-10-12 11:07:57,352 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2020-10-12 11:07:57,656 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 61 [2020-10-12 11:07:58,021 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2020-10-12 11:07:58,392 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-10-12 11:07:59,011 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 94 [2020-10-12 11:07:59,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:07:59,503 INFO L93 Difference]: Finished difference Result 2496 states and 3053 transitions. [2020-10-12 11:07:59,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-12 11:07:59,503 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 255 [2020-10-12 11:07:59,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:07:59,508 INFO L225 Difference]: With dead ends: 2496 [2020-10-12 11:07:59,508 INFO L226 Difference]: Without dead ends: 1339 [2020-10-12 11:07:59,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 738 ImplicationChecksByTransitivity, 17.9s TimeCoverageRelationStatistics Valid=881, Invalid=2425, Unknown=0, NotChecked=0, Total=3306 [2020-10-12 11:07:59,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2020-10-12 11:07:59,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1303. [2020-10-12 11:07:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1303 states. [2020-10-12 11:07:59,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1560 transitions. [2020-10-12 11:07:59,546 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1560 transitions. Word has length 255 [2020-10-12 11:07:59,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:07:59,546 INFO L479 AbstractCegarLoop]: Abstraction has 1303 states and 1560 transitions. [2020-10-12 11:07:59,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 11:07:59,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1560 transitions. [2020-10-12 11:07:59,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-12 11:07:59,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:07:59,551 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 11:07:59,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 11:07:59,551 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:07:59,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:07:59,552 INFO L82 PathProgramCache]: Analyzing trace with hash -816477521, now seen corresponding path program 1 times [2020-10-12 11:07:59,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:07:59,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543037239] [2020-10-12 11:07:59,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:07:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:07:59,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:59,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:59,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:07:59,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:04,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:04,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:08:04,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-12 11:08:04,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:08:04,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 11:08:04,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:08:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 11:08:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:08:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 11:08:04,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:08:04,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:08:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:08:04,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:04,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:08:04,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:08:04,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:08:04,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:08:04,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:08:04,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:08:04,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:08:04,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:08:04,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:08:04,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:08:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:08:04,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:04,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:04,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:08:04,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 11:08:04,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:08:04,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 11:08:04,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:08:04,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:08:04,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:08:04,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 11:08:04,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:08:04,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 11:08:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:08:04,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:04,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:08:04,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 11:08:04,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:08:04,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-12 11:08:04,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:08:04,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:08:04,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:08:04,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 11:08:04,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:08:04,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 11:08:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:08:05,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:05,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:08:05,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:08:05,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:08:05,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:08:05,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:08:05,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:08:05,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 11:08:05,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:08:05,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:08:05,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 11:08:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:08:05,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:05,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:08:05,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 11:08:05,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:08:05,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 11:08:05,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:08:05,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:08:05,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-12 11:08:05,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:08:05,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:08:05,216 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 128 proven. 56 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-12 11:08:05,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543037239] [2020-10-12 11:08:05,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:08:05,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 11:08:05,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057690057] [2020-10-12 11:08:05,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 11:08:05,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:08:05,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 11:08:05,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:08:05,220 INFO L87 Difference]: Start difference. First operand 1303 states and 1560 transitions. Second operand 8 states. [2020-10-12 11:08:06,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:08:06,911 INFO L93 Difference]: Finished difference Result 2985 states and 3683 transitions. [2020-10-12 11:08:06,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 11:08:06,917 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 256 [2020-10-12 11:08:06,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:08:06,923 INFO L225 Difference]: With dead ends: 2985 [2020-10-12 11:08:06,923 INFO L226 Difference]: Without dead ends: 1525 [2020-10-12 11:08:06,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-12 11:08:06,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2020-10-12 11:08:06,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1466. [2020-10-12 11:08:06,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1466 states. [2020-10-12 11:08:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 1675 transitions. [2020-10-12 11:08:06,969 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 1675 transitions. Word has length 256 [2020-10-12 11:08:06,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:08:06,969 INFO L479 AbstractCegarLoop]: Abstraction has 1466 states and 1675 transitions. [2020-10-12 11:08:06,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 11:08:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1675 transitions. [2020-10-12 11:08:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-12 11:08:06,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:08:06,975 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:08:06,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 11:08:06,975 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:08:06,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:08:06,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1534822613, now seen corresponding path program 1 times [2020-10-12 11:08:06,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:08:06,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929781256] [2020-10-12 11:08:06,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:08:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:08:07,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:07,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:07,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:07,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:08,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:08:08,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-12 11:08:08,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:08:08,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1897 [2020-10-12 11:08:08,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:08:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:08:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-12 11:08:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-10-12 11:08:08,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:08:09,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:08:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:08:09,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:09,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:08:09,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:08:09,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:08:09,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:08:09,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:08:09,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:08:09,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:08:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:08:09,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:08:09,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:08:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:08:09,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:09,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:08:09,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 11:08:09,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:08:09,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:08:09,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:08:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:08:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:08:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:08:09,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:08:09,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 11:08:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:08:09,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:09,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:08:09,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 11:08:09,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:08:09,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:08:09,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:08:09,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:08:09,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:08:09,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:08:09,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:08:09,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 11:08:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:08:09,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:09,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:08:09,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:08:09,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:08:09,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:08:09,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:08:09,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:08:09,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:08:09,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 11:08:09,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:08:09,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 11:08:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:08:09,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:09,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:08:09,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:08:09,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 11:08:09,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:08:09,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 11:08:09,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:08:09,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:08:09,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:08:09,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 11:08:09,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:08:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 166 proven. 71 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-12 11:08:09,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929781256] [2020-10-12 11:08:09,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:08:09,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:08:09,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815574375] [2020-10-12 11:08:09,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:08:09,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:08:09,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:08:09,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:08:09,288 INFO L87 Difference]: Start difference. First operand 1466 states and 1675 transitions. Second operand 6 states. [2020-10-12 11:08:10,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:08:10,541 INFO L93 Difference]: Finished difference Result 3214 states and 3828 transitions. [2020-10-12 11:08:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:08:10,543 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 286 [2020-10-12 11:08:10,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:08:10,544 INFO L225 Difference]: With dead ends: 3214 [2020-10-12 11:08:10,544 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 11:08:10,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:08:10,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 11:08:10,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 11:08:10,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 11:08:10,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 11:08:10,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 286 [2020-10-12 11:08:10,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:08:10,556 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 11:08:10,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:08:10,556 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 11:08:10,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 11:08:10,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 11:08:10,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 11:08:11,438 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 136 [2020-10-12 11:08:11,668 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 143 [2020-10-12 11:08:13,115 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 281 DAG size of output: 132 [2020-10-12 11:08:13,796 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 94 [2020-10-12 11:08:14,553 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 93 [2020-10-12 11:08:14,556 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:08:14,557 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-12 11:08:14,557 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:08:14,558 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-10-12 11:08:14,558 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-10-12 11:08:14,558 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,558 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,558 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,558 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,559 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,559 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,559 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-10-12 11:08:14,559 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-10-12 11:08:14,560 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-10-12 11:08:14,560 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-10-12 11:08:14,560 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-12 11:08:14,560 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-12 11:08:14,560 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-10-12 11:08:14,560 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-12 11:08:14,560 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-10-12 11:08:14,560 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-10-12 11:08:14,560 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,560 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,561 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,561 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,561 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,561 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,561 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-10-12 11:08:14,561 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-10-12 11:08:14,561 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-10-12 11:08:14,561 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-12 11:08:14,561 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-10-12 11:08:14,561 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-12 11:08:14,561 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-12 11:08:14,562 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-12 11:08:14,562 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-10-12 11:08:14,562 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-10-12 11:08:14,562 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-10-12 11:08:14,562 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 533) no Hoare annotation was computed. [2020-10-12 11:08:14,562 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-10-12 11:08:14,562 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-10-12 11:08:14,562 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-10-12 11:08:14,562 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-10-12 11:08:14,562 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,562 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,562 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,562 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,563 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,563 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-10-12 11:08:14,563 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-10-12 11:08:14,563 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-10-12 11:08:14,563 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-10-12 11:08:14,563 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-10-12 11:08:14,563 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-12 11:08:14,563 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-10-12 11:08:14,563 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-10-12 11:08:14,563 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-10-12 11:08:14,563 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,563 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,563 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,564 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,564 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,564 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-10-12 11:08:14,564 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-12 11:08:14,564 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-10-12 11:08:14,564 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-10-12 11:08:14,564 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-10-12 11:08:14,564 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-10-12 11:08:14,564 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-10-12 11:08:14,565 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-10-12 11:08:14,565 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-10-12 11:08:14,565 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-10-12 11:08:14,565 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-10-12 11:08:14,565 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-10-12 11:08:14,565 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-10-12 11:08:14,565 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,565 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,565 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,566 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,566 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,566 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-10-12 11:08:14,566 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-10-12 11:08:14,566 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-10-12 11:08:14,566 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-12 11:08:14,566 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-10-12 11:08:14,566 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-12 11:08:14,566 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-10-12 11:08:14,567 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-10-12 11:08:14,567 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-10-12 11:08:14,567 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,567 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,567 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,567 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,567 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,567 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,567 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-10-12 11:08:14,567 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,568 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-10-12 11:08:14,568 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-10-12 11:08:14,568 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-10-12 11:08:14,568 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-12 11:08:14,568 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-12 11:08:14,568 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-12 11:08:14,568 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-12 11:08:14,568 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-10-12 11:08:14,568 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-10-12 11:08:14,568 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-10-12 11:08:14,569 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-10-12 11:08:14,569 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-10-12 11:08:14,569 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-10-12 11:08:14,569 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,569 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,569 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,569 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,569 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,569 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-10-12 11:08:14,569 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-10-12 11:08:14,570 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-10-12 11:08:14,570 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-12 11:08:14,570 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-12 11:08:14,570 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-10-12 11:08:14,570 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-10-12 11:08:14,570 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-10-12 11:08:14,570 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,570 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,570 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,570 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,570 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,571 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-10-12 11:08:14,571 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-10-12 11:08:14,571 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-10-12 11:08:14,571 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-10-12 11:08:14,571 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-12 11:08:14,571 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-10-12 11:08:14,571 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-12 11:08:14,571 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-12 11:08:14,571 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-10-12 11:08:14,571 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-10-12 11:08:14,572 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse6 (= ~a8~0 |old(~a8~0)|)) (.cse9 (= ~a21~0 |old(~a21~0)|)) (.cse0 (not (<= |old(~a8~0)| 13))) (.cse8 (not (<= |old(~a20~0)| 1))) (.cse10 (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| 2)) (not (<= 2 |calculate_output_#in~input|))) (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))))) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a21~0 1)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse12 (= ~a8~0 15)) (.cse13 (not (= 15 |old(~a8~0)|))) (.cse7 (not (= |old(~a21~0)| 1))) (.cse11 (not (= ~a12~0 8))) (.cse14 (= |old(~a7~0)| 1))) (and (or (not (<= 1 |old(~a17~0)|)) .cse0 (not (<= |old(~a17~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (<= 1 |old(~a20~0)|)) .cse7 .cse8) (or (= 6 |old(~a16~0)|) (and .cse2 .cse1 .cse9 .cse4 .cse5 .cse6)) (or (not (< 0 |old(~a7~0)|)) .cse10 (and (not (<= |old(~a21~0)| 0)) (not (<= 2 |old(~a21~0)|))) (and .cse1 .cse2 (< 12 ~a8~0) .cse9 .cse4 .cse5 (<= ~a8~0 13)) .cse0 (not (<= |old(~a7~0)| 1)) (not (<= |old(~a17~0)| 0)) (not (< 12 |old(~a8~0)|)) .cse11 .cse8 (not (< 0 |old(~a20~0)|))) (or (not (= |old(~a20~0)| 1)) (and .cse2 .cse1 .cse3 .cse5 .cse12 (= ~a20~0 1)) (= |old(~a17~0)| 1) (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 2)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6))) .cse13 .cse7 .cse11 .cse14) (or .cse10 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse12) (not (= 0 |old(~a20~0)|)) .cse13 .cse7 .cse11 .cse14))) [2020-10-12 11:08:14,572 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-10-12 11:08:14,572 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,573 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,573 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,573 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,573 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-10-12 11:08:14,573 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,573 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,573 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-10-12 11:08:14,573 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-10-12 11:08:14,573 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-10-12 11:08:14,574 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-10-12 11:08:14,574 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-12 11:08:14,574 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-12 11:08:14,574 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-10-12 11:08:14,574 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-10-12 11:08:14,574 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-10-12 11:08:14,574 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-10-12 11:08:14,574 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-10-12 11:08:14,574 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-10-12 11:08:14,575 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,575 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,575 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,575 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,575 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,575 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-10-12 11:08:14,575 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,575 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-10-12 11:08:14,575 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-10-12 11:08:14,576 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-10-12 11:08:14,576 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-10-12 11:08:14,576 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-12 11:08:14,576 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-12 11:08:14,576 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-10-12 11:08:14,576 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-12 11:08:14,576 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-10-12 11:08:14,576 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-10-12 11:08:14,576 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-10-12 11:08:14,576 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-10-12 11:08:14,577 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-10-12 11:08:14,577 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-10-12 11:08:14,577 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,577 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,577 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,577 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,577 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,577 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:08:14,577 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-10-12 11:08:14,577 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-10-12 11:08:14,577 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-10-12 11:08:14,578 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-12 11:08:14,578 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-12 11:08:14,578 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-10-12 11:08:14,578 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-12 11:08:14,578 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-10-12 11:08:14,578 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-10-12 11:08:14,578 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-10-12 11:08:14,578 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:08:14,578 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a12~0 8) (= ~a8~0 15) (= ~a20~0 1) (= 5 ~a16~0) (= ~a7~0 0) (= ~a17~0 1)) [2020-10-12 11:08:14,579 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 11:08:14,579 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:08:14,579 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 15) (= 5 ~a16~0) (= ~a7~0 0)) (not (= |old(~a17~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (<= 1 |old(~a20~0)|)) (not (= |old(~a21~0)| 1)) (not (= 15 |old(~a8~0)|)) (not (= ~a12~0 8)) (not (<= |old(~a20~0)| 1)) (not (= |old(~a7~0)| 0))) [2020-10-12 11:08:14,579 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-10-12 11:08:14,579 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (= ~a8~0 15)) (.cse3 (not (= ~a7~0 1))) (.cse1 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 2 main_~input~0) (<= main_~input~0 2)) (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)))) (.cse0 (= ~a21~0 1)) (.cse4 (= ~a20~0 1)) (.cse5 (<= ~a8~0 13))) (or (and (= ~a20~0 0) .cse0 .cse1 .cse2 .cse3) (and .cse0 (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1) (= 2 main_~input~0)) (not (= ~a17~0 1)) .cse2 .cse4 .cse3) (and (<= 1 ~a7~0) (<= 13 ~a8~0) (<= 1 ~a20~0) .cse1 (<= ~a17~0 0) (<= ~a20~0 1) (<= ~a7~0 1) (or (< 1 ~a21~0) (<= ~a21~0 0)) .cse5) (not (<= 1 |old(~a20~0)|)) (not (= |old(~a21~0)| 1)) (not (<= |old(~a20~0)| 1)) (not (= |old(~a17~0)| 1)) (not (= ~a16~0 6)) (and (<= 1 ~a17~0) .cse0 .cse4 (<= ~a17~0 1) .cse5) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (not (= |old(~a7~0)| 0)) (not (= ~a12~0 8)))) [2020-10-12 11:08:14,579 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-10-12 11:08:14,579 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-12 11:08:14,580 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse2 (= ~a20~0 0)) (.cse1 (<= ~a8~0 13)) (.cse3 (= ~a21~0 1)) (.cse6 (= ~a17~0 1)) (.cse4 (= ~a8~0 15)) (.cse7 (= ~a20~0 1)) (.cse5 (not (= ~a7~0 1)))) (or (and (<= 1 ~a7~0) (<= 13 ~a8~0) (<= 1 ~a20~0) .cse0 (<= ~a20~0 1) (<= ~a7~0 1) (or (< 1 ~a21~0) (<= ~a21~0 0)) .cse1) (and .cse2 .cse3 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 2 main_~input~0) (<= main_~input~0 2)) (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))) .cse4 .cse5) (and .cse2 .cse0 .cse4 (<= ~a21~0 1) (<= 1 ~a21~0) (= ~a7~0 0)) (and .cse2 .cse3 .cse4 .cse5 .cse6) (not (<= 1 |old(~a20~0)|)) (not (= |old(~a21~0)| 1)) (not (<= |old(~a20~0)| 1)) (not (= |old(~a17~0)| 1)) (not (= ~a16~0 6)) (and (<= 1 ~a17~0) .cse3 .cse7 (<= ~a17~0 1) .cse1) (and .cse3 (not .cse6) .cse4 .cse7 .cse5) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (not (= |old(~a7~0)| 0)) (not (= ~a12~0 8)))) [2020-10-12 11:08:14,580 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-10-12 11:08:14,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:08:14 BoogieIcfgContainer [2020-10-12 11:08:14,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 11:08:14,617 INFO L168 Benchmark]: Toolchain (without parser) took 131025.71 ms. Allocated memory was 151.5 MB in the beginning and 1.0 GB in the end (delta: 865.6 MB). Free memory was 105.7 MB in the beginning and 285.7 MB in the end (delta: -180.0 MB). Peak memory consumption was 685.6 MB. Max. memory is 7.1 GB. [2020-10-12 11:08:14,617 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.5 MB. Free memory was 126.2 MB in the beginning and 125.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 11:08:14,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.62 ms. Allocated memory was 151.5 MB in the beginning and 206.6 MB in the end (delta: 55.1 MB). Free memory was 105.5 MB in the beginning and 173.0 MB in the end (delta: -67.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2020-10-12 11:08:14,618 INFO L168 Benchmark]: Boogie Preprocessor took 112.87 ms. Allocated memory is still 206.6 MB. Free memory was 173.0 MB in the beginning and 167.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-10-12 11:08:14,618 INFO L168 Benchmark]: RCFGBuilder took 1171.92 ms. Allocated memory was 206.6 MB in the beginning and 231.7 MB in the end (delta: 25.2 MB). Free memory was 167.4 MB in the beginning and 164.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 72.0 MB. Max. memory is 7.1 GB. [2020-10-12 11:08:14,619 INFO L168 Benchmark]: TraceAbstraction took 128993.34 ms. Allocated memory was 231.7 MB in the beginning and 1.0 GB in the end (delta: 785.4 MB). Free memory was 164.3 MB in the beginning and 285.7 MB in the end (delta: -121.5 MB). Peak memory consumption was 663.9 MB. Max. memory is 7.1 GB. [2020-10-12 11:08:14,621 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.5 MB. Free memory was 126.2 MB in the beginning and 125.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 742.62 ms. Allocated memory was 151.5 MB in the beginning and 206.6 MB in the end (delta: 55.1 MB). Free memory was 105.5 MB in the beginning and 173.0 MB in the end (delta: -67.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.87 ms. Allocated memory is still 206.6 MB. Free memory was 173.0 MB in the beginning and 167.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1171.92 ms. Allocated memory was 206.6 MB in the beginning and 231.7 MB in the end (delta: 25.2 MB). Free memory was 167.4 MB in the beginning and 164.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 72.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 128993.34 ms. Allocated memory was 231.7 MB in the beginning and 1.0 GB in the end (delta: 785.4 MB). Free memory was 164.3 MB in the beginning and 285.7 MB in the end (delta: -121.5 MB). Peak memory consumption was 663.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 533]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((((1 <= a7 && 13 <= a8) && 1 <= a20) && a17 <= 0) && a20 <= 1) && a7 <= 1) && (1 < a21 || a21 <= 0)) && a8 <= 13) || ((((a20 == 0 && a21 == 1) && ((((((4 <= input && input <= 4) || (2 <= input && input <= 2)) || (6 <= input && input <= 6)) || (input <= 3 && 3 <= input)) || (input <= 1 && 1 <= input)) || (input <= 5 && 5 <= input))) && a8 == 15) && !(a7 == 1))) || (((((a20 == 0 && a17 <= 0) && a8 == 15) && a21 <= 1) && 1 <= a21) && a7 == 0)) || ((((a20 == 0 && a21 == 1) && a8 == 15) && !(a7 == 1)) && a17 == 1)) || !(1 <= \old(a20))) || !(\old(a21) == 1)) || !(\old(a20) <= 1)) || !(\old(a17) == 1)) || !(a16 == 6)) || ((((1 <= a17 && a21 == 1) && a20 == 1) && a17 <= 1) && a8 <= 13)) || ((((a21 == 1 && !(a17 == 1)) && a8 == 15) && a20 == 1) && !(a7 == 1))) || !(5 == \old(a16))) || !(15 == \old(a8))) || !(\old(a7) == 0)) || !(a12 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 124.8s, OverallIterations: 13, TraceHistogramMax: 5, AutomataDifference: 56.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 357 SDtfs, 7999 SDslu, 696 SDs, 0 SdLazy, 13849 SolverSat, 1744 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 452 GetRequests, 133 SyntacticMatches, 6 SemanticMatches, 313 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1923 ImplicationChecksByTransitivity, 51.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1466occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 498 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 134 PreInvPairs, 206 NumberOfFragments, 893 HoareAnnotationTreeSize, 134 FomulaSimplifications, 6448 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7429 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 65.3s InterpolantComputationTime, 2418 NumberOfCodeBlocks, 2418 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2405 ConstructedInterpolants, 0 QuantifiedInterpolants, 7414769 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 947/1166 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...