/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/Problem02_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 11:15:07,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 11:15:07,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 11:15:07,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 11:15:07,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 11:15:07,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 11:15:07,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 11:15:07,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 11:15:07,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 11:15:07,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 11:15:07,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 11:15:07,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 11:15:07,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 11:15:07,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 11:15:07,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 11:15:07,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 11:15:07,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 11:15:07,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 11:15:07,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 11:15:07,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 11:15:07,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 11:15:07,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 11:15:07,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 11:15:07,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 11:15:07,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 11:15:07,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 11:15:07,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 11:15:07,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 11:15:07,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 11:15:07,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 11:15:07,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 11:15:07,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 11:15:07,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 11:15:07,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 11:15:07,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 11:15:07,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 11:15:07,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 11:15:07,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 11:15:07,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 11:15:07,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 11:15:07,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 11:15:07,988 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 11:15:08,010 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 11:15:08,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 11:15:08,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 11:15:08,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 11:15:08,013 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 11:15:08,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 11:15:08,014 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 11:15:08,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 11:15:08,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 11:15:08,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 11:15:08,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 11:15:08,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 11:15:08,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 11:15:08,017 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 11:15:08,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 11:15:08,018 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 11:15:08,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 11:15:08,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 11:15:08,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 11:15:08,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 11:15:08,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 11:15:08,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:15:08,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 11:15:08,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 11:15:08,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 11:15:08,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 11:15:08,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 11:15:08,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 11:15:08,025 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 11:15:08,025 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 11:15:08,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 11:15:08,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 11:15:08,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 11:15:08,334 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 11:15:08,334 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 11:15:08,335 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-10-12 11:15:08,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bac2f379/1e7292358caf4478b38a331f041343bd/FLAGe1e40695e [2020-10-12 11:15:08,903 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 11:15:08,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-10-12 11:15:08,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bac2f379/1e7292358caf4478b38a331f041343bd/FLAGe1e40695e [2020-10-12 11:15:09,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bac2f379/1e7292358caf4478b38a331f041343bd [2020-10-12 11:15:09,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 11:15:09,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 11:15:09,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 11:15:09,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 11:15:09,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 11:15:09,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:15:09" (1/1) ... [2020-10-12 11:15:09,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecced43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:09, skipping insertion in model container [2020-10-12 11:15:09,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:15:09" (1/1) ... [2020-10-12 11:15:09,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 11:15:09,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 11:15:09,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:15:09,940 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 11:15:10,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:15:10,060 INFO L208 MainTranslator]: Completed translation [2020-10-12 11:15:10,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:10 WrapperNode [2020-10-12 11:15:10,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 11:15:10,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 11:15:10,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 11:15:10,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 11:15:10,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:10" (1/1) ... [2020-10-12 11:15:10,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:10" (1/1) ... [2020-10-12 11:15:10,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:10" (1/1) ... [2020-10-12 11:15:10,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:10" (1/1) ... [2020-10-12 11:15:10,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:10" (1/1) ... [2020-10-12 11:15:10,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:10" (1/1) ... [2020-10-12 11:15:10,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:10" (1/1) ... [2020-10-12 11:15:10,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 11:15:10,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 11:15:10,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 11:15:10,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 11:15:10,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:15:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 11:15:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 11:15:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 11:15:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 11:15:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 11:15:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 11:15:10,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 11:15:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 11:15:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 11:15:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 11:15:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 11:15:11,447 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 11:15:11,447 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 11:15:11,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:15:11 BoogieIcfgContainer [2020-10-12 11:15:11,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 11:15:11,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 11:15:11,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 11:15:11,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 11:15:11,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:15:09" (1/3) ... [2020-10-12 11:15:11,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3941d6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:15:11, skipping insertion in model container [2020-10-12 11:15:11,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:15:10" (2/3) ... [2020-10-12 11:15:11,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3941d6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:15:11, skipping insertion in model container [2020-10-12 11:15:11,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:15:11" (3/3) ... [2020-10-12 11:15:11,468 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label52.c [2020-10-12 11:15:11,481 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 11:15:11,492 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 11:15:11,510 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 11:15:11,547 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 11:15:11,549 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 11:15:11,549 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 11:15:11,549 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 11:15:11,550 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 11:15:11,550 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 11:15:11,550 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 11:15:11,550 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 11:15:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-12 11:15:11,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-12 11:15:11,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:11,607 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] [2020-10-12 11:15:11,608 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:11,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:11,616 INFO L82 PathProgramCache]: Analyzing trace with hash -777531634, now seen corresponding path program 1 times [2020-10-12 11:15:11,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:11,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051326651] [2020-10-12 11:15:11,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:11,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:12,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:13,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:13,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 11:15:13,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:13,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1282 [2020-10-12 11:15:13,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:13,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 11:15:13,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:15:13,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:15:13,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 11:15:13,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:13,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:13,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:13,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:13,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:13,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:15:13,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:15:13,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:13,897 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 11:15:13,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051326651] [2020-10-12 11:15:13,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 11:15:13,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 11:15:13,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509883240] [2020-10-12 11:15:13,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:13,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:13,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:13,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:13,927 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 12 states. [2020-10-12 11:15:14,268 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2020-10-12 11:15:14,431 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2020-10-12 11:15:14,615 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-10-12 11:15:14,809 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2020-10-12 11:15:15,027 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-10-12 11:15:15,540 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2020-10-12 11:15:15,910 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2020-10-12 11:15:16,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:16,763 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-12 11:15:16,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:15:16,767 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2020-10-12 11:15:16,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:16,795 INFO L225 Difference]: With dead ends: 536 [2020-10-12 11:15:16,795 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:15:16,808 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-12 11:15:16,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:15:16,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:15:16,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:15:16,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-12 11:15:16,871 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 110 [2020-10-12 11:15:16,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:16,872 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-12 11:15:16,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:16,872 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-12 11:15:16,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-12 11:15:16,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:16,876 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:16,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 11:15:16,876 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:16,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:16,877 INFO L82 PathProgramCache]: Analyzing trace with hash -518810049, now seen corresponding path program 1 times [2020-10-12 11:15:16,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:16,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361202664] [2020-10-12 11:15:16,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:16,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:16,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:17,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:18,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:18,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 11:15:18,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:18,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1404 [2020-10-12 11:15:18,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 11:15:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 11:15:18,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:18,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:18,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:18,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:18,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:18,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:18,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:18,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:18,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:18,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:18,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:18,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:18,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:18,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:18,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 11:15:18,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:18,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:15:18,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:18,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:18,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:18,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 11:15:18,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:18,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361202664] [2020-10-12 11:15:18,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:18,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:18,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858578514] [2020-10-12 11:15:18,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:18,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:18,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:18,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:18,739 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-12 11:15:20,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:20,691 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-12 11:15:20,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 11:15:20,692 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 119 [2020-10-12 11:15:20,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:20,696 INFO L225 Difference]: With dead ends: 549 [2020-10-12 11:15:20,697 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:15:20,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-12 11:15:20,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:15:20,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:15:20,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:15:20,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-12 11:15:20,745 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 119 [2020-10-12 11:15:20,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:20,746 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-12 11:15:20,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:20,746 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-12 11:15:20,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-12 11:15:20,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:20,754 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:20,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 11:15:20,754 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:20,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:20,755 INFO L82 PathProgramCache]: Analyzing trace with hash 662346423, now seen corresponding path program 1 times [2020-10-12 11:15:20,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:20,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2130765510] [2020-10-12 11:15:20,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:20,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:20,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:21,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:22,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:22,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 11:15:22,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:22,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1187 [2020-10-12 11:15:22,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 11:15:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 11:15:22,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:22,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:22,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:22,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:22,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:22,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:22,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:22,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:22,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:22,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:22,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:22,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:22,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:22,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:22,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:22,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:15:22,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:22,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:15:22,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:22,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:22,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:22,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 11:15:22,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:22,499 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:22,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2130765510] [2020-10-12 11:15:22,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:22,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:22,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041604668] [2020-10-12 11:15:22,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:22,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:22,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:22,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:22,502 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-12 11:15:24,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:24,252 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-12 11:15:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:15:24,253 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 123 [2020-10-12 11:15:24,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:24,257 INFO L225 Difference]: With dead ends: 554 [2020-10-12 11:15:24,257 INFO L226 Difference]: Without dead ends: 327 [2020-10-12 11:15:24,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:15:24,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-12 11:15:24,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-12 11:15:24,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:15:24,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-12 11:15:24,276 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 123 [2020-10-12 11:15:24,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:24,277 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-12 11:15:24,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:24,277 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-12 11:15:24,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-12 11:15:24,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:24,280 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:24,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 11:15:24,280 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:24,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:24,281 INFO L82 PathProgramCache]: Analyzing trace with hash -915626225, now seen corresponding path program 1 times [2020-10-12 11:15:24,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:24,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277422236] [2020-10-12 11:15:24,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:24,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-12 11:15:24,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:24,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-12 11:15:24,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:24,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:15:24,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-12 11:15:24,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:24,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:24,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:24,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:24,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:24,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:24,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:24,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:24,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:24,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:24,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:15:24,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:24,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:15:24,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:24,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:24,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:24,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:24,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:15:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:24,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:24,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:24,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:15:24,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:24,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 11:15:24,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:24,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:24,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:24,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:15:24,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:24,995 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 11:15:24,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277422236] [2020-10-12 11:15:24,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:24,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:15:24,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686888890] [2020-10-12 11:15:24,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:15:24,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:24,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:15:24,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:15:24,999 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-12 11:15:26,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:26,002 INFO L93 Difference]: Finished difference Result 724 states and 951 transitions. [2020-10-12 11:15:26,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:15:26,002 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-10-12 11:15:26,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:26,011 INFO L225 Difference]: With dead ends: 724 [2020-10-12 11:15:26,011 INFO L226 Difference]: Without dead ends: 323 [2020-10-12 11:15:26,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:15:26,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-12 11:15:26,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 318. [2020-10-12 11:15:26,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:15:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 395 transitions. [2020-10-12 11:15:26,042 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 395 transitions. Word has length 145 [2020-10-12 11:15:26,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:26,042 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 395 transitions. [2020-10-12 11:15:26,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:15:26,042 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 395 transitions. [2020-10-12 11:15:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-12 11:15:26,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:26,047 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:26,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 11:15:26,047 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:26,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:26,047 INFO L82 PathProgramCache]: Analyzing trace with hash -524342898, now seen corresponding path program 1 times [2020-10-12 11:15:26,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:26,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [451935666] [2020-10-12 11:15:26,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:26,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:26,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:26,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:27,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:27,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-12 11:15:27,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:27,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1274 [2020-10-12 11:15:27,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:27,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:27,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 11:15:27,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 11:15:27,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:27,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:27,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:27,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:27,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:27,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:27,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:27,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:27,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:27,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:27,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:27,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:27,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:27,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:27,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:27,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:27,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:27,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 11:15:27,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:27,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:27,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:27,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:15:27,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:15:27,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [451935666] [2020-10-12 11:15:27,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:27,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:27,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112917053] [2020-10-12 11:15:27,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:27,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:27,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:27,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:27,865 INFO L87 Difference]: Start difference. First operand 318 states and 395 transitions. Second operand 12 states. [2020-10-12 11:15:29,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:29,677 INFO L93 Difference]: Finished difference Result 723 states and 948 transitions. [2020-10-12 11:15:29,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:15:29,678 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 144 [2020-10-12 11:15:29,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:29,682 INFO L225 Difference]: With dead ends: 723 [2020-10-12 11:15:29,683 INFO L226 Difference]: Without dead ends: 401 [2020-10-12 11:15:29,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-12 11:15:29,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-12 11:15:29,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 394. [2020-10-12 11:15:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-12 11:15:29,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 475 transitions. [2020-10-12 11:15:29,701 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 475 transitions. Word has length 144 [2020-10-12 11:15:29,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:29,701 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 475 transitions. [2020-10-12 11:15:29,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:29,701 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 475 transitions. [2020-10-12 11:15:29,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-12 11:15:29,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:29,704 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:29,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 11:15:29,704 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:29,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:29,704 INFO L82 PathProgramCache]: Analyzing trace with hash 336697193, now seen corresponding path program 1 times [2020-10-12 11:15:29,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:29,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1232876294] [2020-10-12 11:15:29,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:29,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:29,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:29,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:30,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:30,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:30,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-12 11:15:30,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:15:30,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1255 [2020-10-12 11:15:30,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:30,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:15:30,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:15:30,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-12 11:15:30,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:31,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:31,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:31,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:31,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:31,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:15:31,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:31,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:31,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:31,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:15:31,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:31,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:31,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:31,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:31,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:31,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 11:15:31,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:31,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:31,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:31,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:15:31,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:31,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:31,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:31,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:31,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:31,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:31,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:15:31,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:31,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:31,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:31,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:15:31,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 11:15:31,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1232876294] [2020-10-12 11:15:31,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:31,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:15:31,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600406472] [2020-10-12 11:15:31,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:15:31,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:31,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:15:31,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:15:31,309 INFO L87 Difference]: Start difference. First operand 394 states and 475 transitions. Second operand 6 states. [2020-10-12 11:15:32,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:32,874 INFO L93 Difference]: Finished difference Result 960 states and 1218 transitions. [2020-10-12 11:15:32,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:15:32,874 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2020-10-12 11:15:32,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:32,878 INFO L225 Difference]: With dead ends: 960 [2020-10-12 11:15:32,878 INFO L226 Difference]: Without dead ends: 572 [2020-10-12 11:15:32,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 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 11:15:32,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-10-12 11:15:32,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 549. [2020-10-12 11:15:32,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-10-12 11:15:32,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 675 transitions. [2020-10-12 11:15:32,904 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 675 transitions. Word has length 152 [2020-10-12 11:15:32,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:32,905 INFO L479 AbstractCegarLoop]: Abstraction has 549 states and 675 transitions. [2020-10-12 11:15:32,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:15:32,905 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 675 transitions. [2020-10-12 11:15:32,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-12 11:15:32,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:32,909 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, 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] [2020-10-12 11:15:32,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 11:15:32,910 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:32,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:32,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1066677279, now seen corresponding path program 1 times [2020-10-12 11:15:32,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:32,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520347394] [2020-10-12 11:15:32,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:32,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:32,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:33,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:33,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:36,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:37,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:37,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 11:15:37,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:15:37,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 11:15:37,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:15:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-12 11:15:37,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 11:15:37,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:38,401 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 36 [2020-10-12 11:15:38,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:38,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:38,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:38,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:38,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:38,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:38,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:38,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:38,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:38,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:38,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:38,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:38,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:38,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:15:38,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:38,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:38,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:38,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:38,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:38,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:38,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:38,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:38,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:38,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:38,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 11:15:38,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:38,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:38,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:38,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:15:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:38,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:38,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:38,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 11:15:38,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:38,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 11:15:38,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:38,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:38,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:38,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 11:15:38,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:39,014 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-12 11:15:39,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520347394] [2020-10-12 11:15:39,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:39,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:15:39,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046262355] [2020-10-12 11:15:39,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:15:39,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:39,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:15:39,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:39,016 INFO L87 Difference]: Start difference. First operand 549 states and 675 transitions. Second operand 12 states. [2020-10-12 11:15:39,687 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-12 11:15:40,482 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2020-10-12 11:15:40,686 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-10-12 11:15:40,995 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2020-10-12 11:15:41,262 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2020-10-12 11:15:41,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:41,552 INFO L93 Difference]: Finished difference Result 1177 states and 1504 transitions. [2020-10-12 11:15:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:15:41,554 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 175 [2020-10-12 11:15:41,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:41,558 INFO L225 Difference]: With dead ends: 1177 [2020-10-12 11:15:41,558 INFO L226 Difference]: Without dead ends: 634 [2020-10-12 11:15:41,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:15:41,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-10-12 11:15:41,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 629. [2020-10-12 11:15:41,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-10-12 11:15:41,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 763 transitions. [2020-10-12 11:15:41,582 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 763 transitions. Word has length 175 [2020-10-12 11:15:41,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:41,583 INFO L479 AbstractCegarLoop]: Abstraction has 629 states and 763 transitions. [2020-10-12 11:15:41,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:15:41,583 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 763 transitions. [2020-10-12 11:15:41,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-12 11:15:41,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:41,587 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, 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] [2020-10-12 11:15:41,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 11:15:41,587 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:41,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:41,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1841631563, now seen corresponding path program 1 times [2020-10-12 11:15:41,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:41,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1433364664] [2020-10-12 11:15:41,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:41,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:41,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:42,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:42,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:43,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:43,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-12 11:15:43,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:15:43,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1396 [2020-10-12 11:15:43,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:43,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:15:43,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-12 11:15:43,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-12 11:15:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:43,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:43,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:43,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:43,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:43,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:43,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:15:43,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:43,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:43,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:43,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:43,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:43,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:43,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:43,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:43,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:43,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:43,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:15:43,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:43,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:43,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:43,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:43,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:43,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:43,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:43,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:15:43,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:43,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:43,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:43,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:15:43,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:43,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:15:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:43,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:43,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:43,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:43,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 11:15:43,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:43,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 11:15:43,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:43,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:43,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:43,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:15:43,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:43,348 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 89 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-12 11:15:43,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1433364664] [2020-10-12 11:15:43,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:43,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:15:43,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451203032] [2020-10-12 11:15:43,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:15:43,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:43,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:15:43,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:15:43,359 INFO L87 Difference]: Start difference. First operand 629 states and 763 transitions. Second operand 6 states. [2020-10-12 11:15:44,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:44,599 INFO L93 Difference]: Finished difference Result 1574 states and 2031 transitions. [2020-10-12 11:15:44,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 11:15:44,600 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180 [2020-10-12 11:15:44,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:44,607 INFO L225 Difference]: With dead ends: 1574 [2020-10-12 11:15:44,608 INFO L226 Difference]: Without dead ends: 951 [2020-10-12 11:15:44,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:15:44,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2020-10-12 11:15:44,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 933. [2020-10-12 11:15:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2020-10-12 11:15:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1153 transitions. [2020-10-12 11:15:44,659 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1153 transitions. Word has length 180 [2020-10-12 11:15:44,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:44,660 INFO L479 AbstractCegarLoop]: Abstraction has 933 states and 1153 transitions. [2020-10-12 11:15:44,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:15:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1153 transitions. [2020-10-12 11:15:44,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 11:15:44,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:44,666 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:44,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 11:15:44,666 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:44,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:44,667 INFO L82 PathProgramCache]: Analyzing trace with hash -957255888, now seen corresponding path program 1 times [2020-10-12 11:15:44,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:44,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925735058] [2020-10-12 11:15:44,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:44,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:44,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:45,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:45,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:45,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-12 11:15:45,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:15:45,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 942 [2020-10-12 11:15:45,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:45,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:45,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-12 11:15:45,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 11:15:45,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:45,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:45,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:45,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:45,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:45,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:45,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:45,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:45,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:45,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:45,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:45,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:45,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 11:15:45,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:45,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:15:45,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:45,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:45,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:45,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:45,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:45,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 11:15:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:45,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:45,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:45,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 11:15:45,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:45,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:15:45,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:45,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:45,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:45,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 11:15:45,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 74 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-12 11:15:45,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925735058] [2020-10-12 11:15:45,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:45,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:15:45,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284668262] [2020-10-12 11:15:45,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:15:45,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:45,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:15:45,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:15:45,879 INFO L87 Difference]: Start difference. First operand 933 states and 1153 transitions. Second operand 5 states. [2020-10-12 11:15:46,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:46,963 INFO L93 Difference]: Finished difference Result 2315 states and 2952 transitions. [2020-10-12 11:15:46,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:15:46,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 189 [2020-10-12 11:15:46,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:46,974 INFO L225 Difference]: With dead ends: 2315 [2020-10-12 11:15:46,975 INFO L226 Difference]: Without dead ends: 1388 [2020-10-12 11:15:46,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:15:46,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2020-10-12 11:15:47,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1380. [2020-10-12 11:15:47,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1380 states. [2020-10-12 11:15:47,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1662 transitions. [2020-10-12 11:15:47,014 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1662 transitions. Word has length 189 [2020-10-12 11:15:47,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:47,015 INFO L479 AbstractCegarLoop]: Abstraction has 1380 states and 1662 transitions. [2020-10-12 11:15:47,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:15:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1662 transitions. [2020-10-12 11:15:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-12 11:15:47,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:47,021 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:15:47,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 11:15:47,021 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:47,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:47,022 INFO L82 PathProgramCache]: Analyzing trace with hash -935901167, now seen corresponding path program 1 times [2020-10-12 11:15:47,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:47,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717985151] [2020-10-12 11:15:47,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:47,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:47,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:47,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:47,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:47,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:48,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:48,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:49,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:49,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-12 11:15:49,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 11:15:49,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2267 [2020-10-12 11:15:49,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 11:15:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:15:49,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 203 [2020-10-12 11:15:49,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:49,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:49,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:49,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:49,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:49,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:49,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:15:49,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:49,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:15:49,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:49,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:15:49,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:15:49,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:49,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:49,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:49,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:49,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:49,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:49,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 11:15:49,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:49,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:49,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:49,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:15:49,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:49,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:49,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:49,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:49,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:49,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:49,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:49,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:15:49,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:49,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:15:49,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:15:49,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:49,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:15:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:49,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:49,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:49,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:49,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 11:15:49,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:15:49,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-12 11:15:49,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 11:15:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:15:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 11:15:49,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 15 proven. 68 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-12 11:15:50,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717985151] [2020-10-12 11:15:50,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:50,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:15:50,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549637372] [2020-10-12 11:15:50,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 11:15:50,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:50,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 11:15:50,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:15:50,137 INFO L87 Difference]: Start difference. First operand 1380 states and 1662 transitions. Second operand 8 states. [2020-10-12 11:15:52,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:15:52,661 INFO L93 Difference]: Finished difference Result 3787 states and 4946 transitions. [2020-10-12 11:15:52,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 11:15:52,662 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 198 [2020-10-12 11:15:52,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:15:52,679 INFO L225 Difference]: With dead ends: 3787 [2020-10-12 11:15:52,680 INFO L226 Difference]: Without dead ends: 2151 [2020-10-12 11:15:52,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:15:52,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2020-10-12 11:15:52,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 2112. [2020-10-12 11:15:52,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2112 states. [2020-10-12 11:15:52,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 2112 states and 2569 transitions. [2020-10-12 11:15:52,779 INFO L78 Accepts]: Start accepts. Automaton has 2112 states and 2569 transitions. Word has length 198 [2020-10-12 11:15:52,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:15:52,780 INFO L479 AbstractCegarLoop]: Abstraction has 2112 states and 2569 transitions. [2020-10-12 11:15:52,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 11:15:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2569 transitions. [2020-10-12 11:15:52,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-12 11:15:52,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:15:52,788 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 11:15:52,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 11:15:52,788 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:15:52,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:15:52,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1174337102, now seen corresponding path program 1 times [2020-10-12 11:15:52,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:15:52,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [630142164] [2020-10-12 11:15:52,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:15:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:52,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:52,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:52,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:53,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:55,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:56,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:56,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:57,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:57,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-12 11:15:57,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 11:15:57,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 11:15:57,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:57,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:15:57,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-12 11:15:57,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 11:15:57,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:58,231 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-12 11:15:58,393 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-10-12 11:15:58,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:15:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:58,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:58,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:58,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:15:58,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:58,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:15:58,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:58,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:58,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:15:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:58,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:58,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:58,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:15:58,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:58,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:15:58,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:58,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:58,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:58,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:58,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:58,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:15:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:58,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:58,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:58,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:15:58,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 11:15:58,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:58,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:58,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:15:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:58,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:58,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:58,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 11:15:58,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:58,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:15:58,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:15:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:15:58,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:58,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 11:15:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:15:58,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:15:58,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:15:58,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 11:15:58,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:15:58,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:15:58,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:15:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 11:15:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:15:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 11:15:58,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:15:59,023 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-12 11:15:59,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [630142164] [2020-10-12 11:15:59,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:15:59,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:15:59,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599605126] [2020-10-12 11:15:59,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:15:59,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:15:59,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:15:59,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:15:59,025 INFO L87 Difference]: Start difference. First operand 2112 states and 2569 transitions. Second operand 13 states. [2020-10-12 11:15:59,918 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-10-12 11:16:00,295 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2020-10-12 11:16:00,615 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2020-10-12 11:16:01,260 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2020-10-12 11:16:01,773 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2020-10-12 11:16:02,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:16:02,189 INFO L93 Difference]: Finished difference Result 4738 states and 5865 transitions. [2020-10-12 11:16:02,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:16:02,189 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 209 [2020-10-12 11:16:02,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:16:02,203 INFO L225 Difference]: With dead ends: 4738 [2020-10-12 11:16:02,203 INFO L226 Difference]: Without dead ends: 2632 [2020-10-12 11:16:02,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2020-10-12 11:16:02,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2020-10-12 11:16:02,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2481. [2020-10-12 11:16:02,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2481 states. [2020-10-12 11:16:02,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2481 states and 3007 transitions. [2020-10-12 11:16:02,281 INFO L78 Accepts]: Start accepts. Automaton has 2481 states and 3007 transitions. Word has length 209 [2020-10-12 11:16:02,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:16:02,282 INFO L479 AbstractCegarLoop]: Abstraction has 2481 states and 3007 transitions. [2020-10-12 11:16:02,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:16:02,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 3007 transitions. [2020-10-12 11:16:02,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-12 11:16:02,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:16:02,290 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:02,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 11:16:02,291 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:16:02,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:16:02,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1902286492, now seen corresponding path program 1 times [2020-10-12 11:16:02,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:16:02,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076521331] [2020-10-12 11:16:02,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:16:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:02,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:02,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:02,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:02,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:02,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:03,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:03,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:03,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:03,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-12 11:16:03,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 11:16:03,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1356 [2020-10-12 11:16:03,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:03,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:16:03,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:16:03,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 236 [2020-10-12 11:16:03,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:03,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:16:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:03,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:03,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:03,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:16:03,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:03,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:16:03,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:03,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:16:03,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:03,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:16:03,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:03,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:16:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:03,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:03,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:03,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 11:16:03,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:03,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 11:16:03,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:16:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:16:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 11:16:03,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:03,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 11:16:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:03,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:03,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:03,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:03,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 11:16:03,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:16:03,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 11:16:03,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:03,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:16:03,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:16:03,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 11:16:03,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:04,038 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-12 11:16:04,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1076521331] [2020-10-12 11:16:04,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:16:04,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:16:04,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427834297] [2020-10-12 11:16:04,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:16:04,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:16:04,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:16:04,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:16:04,040 INFO L87 Difference]: Start difference. First operand 2481 states and 3007 transitions. Second operand 6 states. [2020-10-12 11:16:05,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:16:05,103 INFO L93 Difference]: Finished difference Result 5875 states and 7253 transitions. [2020-10-12 11:16:05,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:16:05,104 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 230 [2020-10-12 11:16:05,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:16:05,120 INFO L225 Difference]: With dead ends: 5875 [2020-10-12 11:16:05,120 INFO L226 Difference]: Without dead ends: 3400 [2020-10-12 11:16:05,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 1 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 11:16:05,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3400 states. [2020-10-12 11:16:05,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3400 to 3222. [2020-10-12 11:16:05,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3222 states. [2020-10-12 11:16:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 3884 transitions. [2020-10-12 11:16:05,206 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 3884 transitions. Word has length 230 [2020-10-12 11:16:05,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:16:05,207 INFO L479 AbstractCegarLoop]: Abstraction has 3222 states and 3884 transitions. [2020-10-12 11:16:05,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:16:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 3884 transitions. [2020-10-12 11:16:05,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-12 11:16:05,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:16:05,218 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 11:16:05,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 11:16:05,218 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:16:05,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:16:05,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1913350142, now seen corresponding path program 1 times [2020-10-12 11:16:05,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:16:05,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966950786] [2020-10-12 11:16:05,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:16:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:05,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:05,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:05,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:05,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:05,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-12 11:16:05,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:16:05,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 612 [2020-10-12 11:16:05,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:05,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:16:05,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-10-12 11:16:05,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-12 11:16:05,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:05,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:16:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:05,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:05,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:05,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:16:05,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:05,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:16:05,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:05,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:16:05,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:05,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:16:05,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:05,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:16:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:05,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:05,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:05,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:16:05,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:05,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:16:05,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:05,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:16:05,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:05,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:16:05,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:05,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:16:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:05,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:05,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:05,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 11:16:05,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:16:05,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:16:05,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:05,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:16:05,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:16:05,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:16:05,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:05,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 11:16:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:16:06,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:06,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:16:06,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:16:06,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 11:16:06,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:16:06,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 11:16:06,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:16:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:16:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-12 11:16:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:16:06,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:16:06,113 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 143 proven. 3 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-12 11:16:06,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966950786] [2020-10-12 11:16:06,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:16:06,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:16:06,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845930055] [2020-10-12 11:16:06,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:16:06,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:16:06,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:16:06,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:16:06,115 INFO L87 Difference]: Start difference. First operand 3222 states and 3884 transitions. Second operand 5 states. [2020-10-12 11:16:07,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:16:07,145 INFO L93 Difference]: Finished difference Result 6295 states and 7576 transitions. [2020-10-12 11:16:07,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:16:07,147 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 261 [2020-10-12 11:16:07,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:16:07,148 INFO L225 Difference]: With dead ends: 6295 [2020-10-12 11:16:07,148 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 11:16:07,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:16:07,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 11:16:07,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 11:16:07,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 11:16:07,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 11:16:07,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 261 [2020-10-12 11:16:07,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:16:07,161 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 11:16:07,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:16:07,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 11:16:07,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 11:16:07,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 11:16:07,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 11:16:07,695 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 43 [2020-10-12 11:16:07,884 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 63 [2020-10-12 11:16:09,177 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 234 DAG size of output: 120 [2020-10-12 11:16:09,394 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2020-10-12 11:16:09,635 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2020-10-12 11:16:09,640 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:16:09,640 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-12 11:16:09,640 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:16:09,641 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,641 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,641 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,641 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,641 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,642 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-12 11:16:09,642 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-12 11:16:09,642 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-12 11:16:09,642 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-12 11:16:09,642 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-12 11:16:09,642 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-12 11:16:09,642 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-12 11:16:09,643 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-12 11:16:09,643 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-12 11:16:09,643 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-12 11:16:09,643 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:16:09,643 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:16:09,643 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-12 11:16:09,644 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,644 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,644 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,644 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,644 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-12 11:16:09,644 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,644 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-12 11:16:09,644 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-12 11:16:09,644 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-12 11:16:09,644 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-12 11:16:09,644 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-12 11:16:09,645 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-12 11:16:09,645 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-12 11:16:09,645 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:16:09,645 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:16:09,645 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-12 11:16:09,645 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-12 11:16:09,645 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-12 11:16:09,645 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:16:09,645 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:16:09,645 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-12 11:16:09,645 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,645 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,646 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,646 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,646 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,646 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 484) no Hoare annotation was computed. [2020-10-12 11:16:09,646 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:16:09,646 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-12 11:16:09,646 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:16:09,646 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-12 11:16:09,647 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-12 11:16:09,647 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-12 11:16:09,647 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-12 11:16:09,647 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-12 11:16:09,647 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-12 11:16:09,647 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-12 11:16:09,647 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-12 11:16:09,647 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,647 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,648 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,648 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,648 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,648 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-12 11:16:09,648 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-12 11:16:09,648 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-12 11:16:09,648 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-12 11:16:09,648 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-12 11:16:09,648 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-12 11:16:09,649 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-12 11:16:09,649 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-12 11:16:09,649 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-12 11:16:09,649 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-12 11:16:09,649 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-12 11:16:09,649 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-12 11:16:09,649 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-12 11:16:09,649 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,649 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,650 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,650 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,650 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,650 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-12 11:16:09,650 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-12 11:16:09,650 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-12 11:16:09,650 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-12 11:16:09,650 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-12 11:16:09,650 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-12 11:16:09,651 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-12 11:16:09,651 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-12 11:16:09,651 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-12 11:16:09,651 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-12 11:16:09,651 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-12 11:16:09,651 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-12 11:16:09,651 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-12 11:16:09,651 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:16:09,651 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-12 11:16:09,651 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:16:09,652 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,652 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,652 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,652 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,652 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-12 11:16:09,652 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,652 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:16:09,652 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,652 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:16:09,652 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:16:09,653 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:16:09,653 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,653 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,653 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-12 11:16:09,653 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-12 11:16:09,653 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-12 11:16:09,653 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-12 11:16:09,653 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-12 11:16:09,653 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-12 11:16:09,653 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-12 11:16:09,654 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-12 11:16:09,654 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-12 11:16:09,654 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-12 11:16:09,654 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-12 11:16:09,654 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,654 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,654 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,654 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,654 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,655 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,655 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-12 11:16:09,655 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-12 11:16:09,655 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-12 11:16:09,655 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-12 11:16:09,655 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-12 11:16:09,655 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-12 11:16:09,655 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-12 11:16:09,655 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-12 11:16:09,655 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-12 11:16:09,656 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-12 11:16:09,656 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-12 11:16:09,656 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,656 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,656 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,656 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,656 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,656 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,656 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-12 11:16:09,656 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-12 11:16:09,657 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-12 11:16:09,657 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-12 11:16:09,657 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-12 11:16:09,657 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-12 11:16:09,657 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-12 11:16:09,657 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-12 11:16:09,657 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-12 11:16:09,657 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-12 11:16:09,657 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-12 11:16:09,657 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-12 11:16:09,658 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-12 11:16:09,658 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-12 11:16:09,658 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,658 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,658 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,658 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse5 (not (= 0 |old(~a25~0)|))) (.cse7 (= |old(~a11~0)| 1)) (.cse9 (not (<= |old(~a17~0)| 8))) (.cse10 (not (<= 8 |old(~a17~0)|))) (.cse6 (not (= ~a21~0 1))) (.cse0 (and .cse1 .cse2 .cse3 .cse8 .cse4))) (and (or .cse0 (not (= |old(~a11~0)| |old(~a25~0)|))) (or (not (= |old(~a25~0)| 1)) (and .cse1 .cse2 .cse3 (= ~a25~0 1) .cse4)) (or (not (= 10 |old(~a28~0)|)) (not (= 7 |old(~a17~0)|)) (not (= |old(~a19~0)| |old(~a25~0)|)) .cse5 .cse6 (and (= 7 ~a17~0) .cse3 (= ~a25~0 ~a19~0) .cse4 (= ~a28~0 10)) (not .cse7)) (or (not (= |old(~a17~0)| |old(~a28~0)|)) (and .cse3 .cse8 (= ~a17~0 8) .cse4 (= ~a28~0 ~a17~0)) (not (= 8 |old(~a17~0)|)) .cse5 .cse7 .cse6 (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1))))) (or .cse9 .cse10 (and .cse3 .cse8 (<= 8 ~a17~0) (= 7 ~a28~0) (<= ~a17~0 8) .cse4) .cse6 (not (= 7 |old(~a28~0)|))) (or .cse9 (not (<= |old(~a11~0)| 1)) .cse10 (and .cse2 (<= 1 ~a11~0) (<= 9 ~a28~0) .cse8 (<= ~a11~0 1) (<= ~a28~0 9) .cse4) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a28~0)| 9)) .cse6 (not (<= 1 |old(~a11~0)|)) (not (<= |old(~a19~0)| 0)) (not (<= 9 |old(~a28~0)|))) (or (not (= |old(~a19~0)| 1)) .cse0)))) [2020-10-12 11:16:09,659 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,659 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,659 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,659 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-12 11:16:09,659 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-12 11:16:09,659 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-12 11:16:09,659 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-12 11:16:09,659 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-12 11:16:09,659 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-12 11:16:09,659 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-12 11:16:09,660 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-12 11:16:09,660 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-12 11:16:09,660 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-12 11:16:09,660 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-12 11:16:09,660 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-12 11:16:09,660 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-12 11:16:09,660 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,660 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,660 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,660 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,660 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,661 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,661 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-12 11:16:09,661 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-12 11:16:09,661 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-12 11:16:09,661 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-12 11:16:09,661 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-12 11:16:09,661 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-12 11:16:09,661 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-12 11:16:09,661 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-12 11:16:09,662 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-12 11:16:09,662 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-12 11:16:09,662 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-12 11:16:09,662 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:16:09,662 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:16:09,662 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-12 11:16:09,662 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-12 11:16:09,662 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-12 11:16:09,662 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,663 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,663 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,663 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,663 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:16:09,663 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-12 11:16:09,663 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-12 11:16:09,663 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-12 11:16:09,663 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-12 11:16:09,663 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-12 11:16:09,664 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-12 11:16:09,664 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-12 11:16:09,664 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-12 11:16:09,664 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-12 11:16:09,664 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-12 11:16:09,664 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-12 11:16:09,664 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:16:09,664 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-12 11:16:09,664 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:16:09,664 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-12 11:16:09,664 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:16:09,665 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:16:09,665 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-12 11:16:09,665 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-12 11:16:09,665 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:16:09,665 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a21~0 1) (<= 8 ~a17~0) (= 7 ~a28~0) (<= ~a17~0 8) (<= ~a25~0 0)) [2020-10-12 11:16:09,665 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 11:16:09,665 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:16:09,665 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-12 11:16:09,666 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a25~0 0)) (.cse3 (= ~a11~0 1)) (.cse0 (<= 8 ~a17~0)) (.cse1 (<= ~a17~0 8))) (or (= ~a25~0 ~a11~0) (not (= |old(~a19~0)| 1)) (= ~a19~0 1) (and (<= 1 ~a11~0) (<= ~a19~0 0) (<= 9 ~a28~0) (<= ~a11~0 1) .cse0 (<= ~a28~0 9) .cse1 (<= ~a25~0 0)) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse0 (not .cse3) .cse1 (= ~a28~0 ~a17~0)) (and (= 7 ~a17~0) .cse2 .cse3 (= ~a25~0 ~a19~0) (= ~a28~0 10)) (= ~a25~0 1) (not (= ~a21~0 1)) (and .cse0 (= 7 ~a28~0) .cse1) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0)) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-12 11:16:09,666 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:16:09,666 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:16:09,666 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (= ~a25~0 0)) (.cse3 (= ~a11~0 1)) (.cse0 (<= 8 ~a17~0)) (.cse1 (<= ~a17~0 8))) (or (= ~a25~0 ~a11~0) (not (= |old(~a19~0)| 1)) (= ~a19~0 1) (and (<= 1 ~a11~0) (<= ~a19~0 0) (<= 9 ~a28~0) (<= ~a11~0 1) .cse0 (<= ~a28~0 9) .cse1 (<= ~a25~0 0)) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse0 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0))) (not .cse3) .cse1 (= ~a28~0 ~a17~0)) (and (= 7 ~a17~0) .cse2 .cse3 (= ~a25~0 ~a19~0) (= ~a28~0 10)) (= ~a25~0 1) (not (= ~a21~0 1)) (and .cse0 (= 7 ~a28~0) .cse1) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a11~0)| 0)) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-12 11:16:09,666 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-12 11:16:09,666 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-12 11:16:09,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:16:09 BoogieIcfgContainer [2020-10-12 11:16:09,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 11:16:09,694 INFO L168 Benchmark]: Toolchain (without parser) took 60445.54 ms. Allocated memory was 144.2 MB in the beginning and 883.9 MB in the end (delta: 739.8 MB). Free memory was 98.6 MB in the beginning and 145.0 MB in the end (delta: -46.4 MB). Peak memory consumption was 693.3 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:09,694 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 11:16:09,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.71 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 98.2 MB in the beginning and 168.2 MB in the end (delta: -70.0 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:09,697 INFO L168 Benchmark]: Boogie Preprocessor took 95.91 ms. Allocated memory is still 201.9 MB. Free memory was 168.2 MB in the beginning and 163.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:09,698 INFO L168 Benchmark]: RCFGBuilder took 1301.10 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 163.2 MB in the beginning and 179.2 MB in the end (delta: -16.0 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:09,699 INFO L168 Benchmark]: TraceAbstraction took 58230.81 ms. Allocated memory was 230.7 MB in the beginning and 883.9 MB in the end (delta: 653.3 MB). Free memory was 177.7 MB in the beginning and 145.0 MB in the end (delta: 32.7 MB). Peak memory consumption was 686.0 MB. Max. memory is 7.1 GB. [2020-10-12 11:16:09,707 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 811.71 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 98.2 MB in the beginning and 168.2 MB in the end (delta: -70.0 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.91 ms. Allocated memory is still 201.9 MB. Free memory was 168.2 MB in the beginning and 163.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1301.10 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 163.2 MB in the beginning and 179.2 MB in the end (delta: -16.0 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 58230.81 ms. Allocated memory was 230.7 MB in the beginning and 883.9 MB in the end (delta: 653.3 MB). Free memory was 177.7 MB in the beginning and 145.0 MB in the end (delta: 32.7 MB). Peak memory consumption was 686.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 484]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((a25 == a11 || !(\old(a19) == 1)) || a19 == 1) || (((((((1 <= a11 && a19 <= 0) && 9 <= a28) && a11 <= 1) && 8 <= a17) && a28 <= 9) && a17 <= 8) && a25 <= 0)) || !(8 == \old(a17))) || ((((a25 == 0 && 8 <= a17) && !(a11 == 1)) && a17 <= 8) && a28 == a17)) || ((((7 == a17 && a25 == 0) && a11 == 1) && a25 == a19) && a28 == 10)) || a25 == 1) || !(a21 == 1)) || ((8 <= a17 && 7 == a28) && a17 <= 8)) || !(7 == \old(a28))) || !(\old(a11) <= 0)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 55.6s, OverallIterations: 13, TraceHistogramMax: 5, AutomataDifference: 23.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 492 SDtfs, 5646 SDslu, 711 SDs, 0 SdLazy, 10770 SolverSat, 1233 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 108 SyntacticMatches, 5 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3222occurred 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: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 449 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 140 PreInvPairs, 201 NumberOfFragments, 638 HoareAnnotationTreeSize, 140 FomulaSimplifications, 1936695 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2752 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 29.1s InterpolantComputationTime, 2235 NumberOfCodeBlocks, 2235 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2222 ConstructedInterpolants, 0 QuantifiedInterpolants, 4009767 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 912/1138 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...