/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 06:11:30,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 06:11:30,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 06:11:30,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 06:11:30,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 06:11:30,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 06:11:30,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 06:11:30,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 06:11:30,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 06:11:30,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 06:11:30,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 06:11:30,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 06:11:30,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 06:11:30,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 06:11:30,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 06:11:30,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 06:11:30,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 06:11:30,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 06:11:30,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 06:11:30,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 06:11:30,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 06:11:30,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 06:11:30,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 06:11:30,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 06:11:30,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 06:11:30,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 06:11:30,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 06:11:30,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 06:11:30,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 06:11:30,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 06:11:30,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 06:11:30,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 06:11:30,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 06:11:30,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 06:11:30,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 06:11:30,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 06:11:30,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 06:11:30,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 06:11:30,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 06:11:30,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 06:11:30,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 06:11:30,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 06:11:30,302 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 06:11:30,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 06:11:30,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 06:11:30,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 06:11:30,305 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 06:11:30,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 06:11:30,305 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 06:11:30,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 06:11:30,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 06:11:30,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 06:11:30,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 06:11:30,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 06:11:30,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 06:11:30,308 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 06:11:30,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 06:11:30,308 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 06:11:30,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 06:11:30,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 06:11:30,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 06:11:30,309 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 06:11:30,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 06:11:30,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 06:11:30,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 06:11:30,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 06:11:30,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 06:11:30,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 06:11:30,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 06:11:30,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 06:11:30,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 06:11:30,311 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 06:11:30,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 06:11:30,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 06:11:30,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 06:11:30,625 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 06:11:30,625 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 06:11:30,626 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2020-10-13 06:11:30,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e1a13c8bb/5eb4dc5b588c433c9d8df3cac8b5c579/FLAGaec9599ce [2020-10-13 06:11:31,169 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 06:11:31,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2020-10-13 06:11:31,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e1a13c8bb/5eb4dc5b588c433c9d8df3cac8b5c579/FLAGaec9599ce [2020-10-13 06:11:31,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e1a13c8bb/5eb4dc5b588c433c9d8df3cac8b5c579 [2020-10-13 06:11:31,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 06:11:31,460 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 06:11:31,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 06:11:31,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 06:11:31,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 06:11:31,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:11:31" (1/1) ... [2020-10-13 06:11:31,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da42254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:11:31, skipping insertion in model container [2020-10-13 06:11:31,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:11:31" (1/1) ... [2020-10-13 06:11:31,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 06:11:31,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 06:11:32,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:11:32,016 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 06:11:32,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:11:32,230 INFO L208 MainTranslator]: Completed translation [2020-10-13 06:11:32,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:11:32 WrapperNode [2020-10-13 06:11:32,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 06:11:32,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 06:11:32,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 06:11:32,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 06:11:32,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:11:32" (1/1) ... [2020-10-13 06:11:32,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:11:32" (1/1) ... [2020-10-13 06:11:32,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:11:32" (1/1) ... [2020-10-13 06:11:32,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:11:32" (1/1) ... [2020-10-13 06:11:32,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:11:32" (1/1) ... [2020-10-13 06:11:32,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:11:32" (1/1) ... [2020-10-13 06:11:32,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:11:32" (1/1) ... [2020-10-13 06:11:32,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 06:11:32,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 06:11:32,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 06:11:32,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 06:11:32,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:11:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 06:11:32,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 06:11:32,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 06:11:32,412 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 06:11:32,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 06:11:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 06:11:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 06:11:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 06:11:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 06:11:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 06:11:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 06:11:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 06:11:33,552 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 06:11:33,552 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 06:11:33,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:11:33 BoogieIcfgContainer [2020-10-13 06:11:33,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 06:11:33,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 06:11:33,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 06:11:33,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 06:11:33,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:11:31" (1/3) ... [2020-10-13 06:11:33,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd817c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:11:33, skipping insertion in model container [2020-10-13 06:11:33,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:11:32" (2/3) ... [2020-10-13 06:11:33,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd817c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:11:33, skipping insertion in model container [2020-10-13 06:11:33,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:11:33" (3/3) ... [2020-10-13 06:11:33,568 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label33.c [2020-10-13 06:11:33,579 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 06:11:33,587 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 06:11:33,602 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 06:11:33,630 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 06:11:33,630 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 06:11:33,630 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 06:11:33,630 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 06:11:33,631 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 06:11:33,631 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 06:11:33,631 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 06:11:33,631 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 06:11:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-13 06:11:33,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 06:11:33,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:33,673 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:33,673 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:33,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:33,680 INFO L82 PathProgramCache]: Analyzing trace with hash -421614983, now seen corresponding path program 1 times [2020-10-13 06:11:33,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:33,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1266591345] [2020-10-13 06:11:33,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:34,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:34,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:35,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:35,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-13 06:11:35,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:11:35,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1638 [2020-10-13 06:11:35,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:35,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 06:11:35,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 06:11:35,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-13 06:11:35,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 06:11:36,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:36,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:36,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:36,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:36,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:36,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 06:11:36,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:36,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:36,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:36,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 06:11:36,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:11:36,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1266591345] [2020-10-13 06:11:36,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 06:11:36,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 06:11:36,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228943807] [2020-10-13 06:11:36,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 06:11:36,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:36,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 06:11:36,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 06:11:36,416 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 11 states. [2020-10-13 06:11:37,037 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-10-13 06:11:37,271 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2020-10-13 06:11:37,700 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2020-10-13 06:11:38,117 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-10-13 06:11:39,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:39,014 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-13 06:11:39,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:11:39,020 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2020-10-13 06:11:39,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:39,046 INFO L225 Difference]: With dead ends: 536 [2020-10-13 06:11:39,046 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:11:39,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:11:39,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:11:39,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:11:39,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:11:39,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-13 06:11:39,120 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 147 [2020-10-13 06:11:39,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:39,120 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-13 06:11:39,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 06:11:39,121 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-13 06:11:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-13 06:11:39,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:39,125 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:39,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 06:11:39,126 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:39,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:39,127 INFO L82 PathProgramCache]: Analyzing trace with hash -2031927832, now seen corresponding path program 1 times [2020-10-13 06:11:39,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:39,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020270836] [2020-10-13 06:11:39,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:39,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:39,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:39,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:40,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:40,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-13 06:11:40,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:11:40,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1569 [2020-10-13 06:11:40,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:40,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:11:40,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 06:11:40,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 06:11:40,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:11:41,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:41,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:41,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:41,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:41,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:41,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:11:41,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:41,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:41,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:41,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:41,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:41,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 06:11:41,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:41,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 06:11:41,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:41,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:41,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:41,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 06:11:41,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-13 06:11:41,351 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:11:41,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2020270836] [2020-10-13 06:11:41,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:41,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:11:41,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293833917] [2020-10-13 06:11:41,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:11:41,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:41,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:11:41,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:11:41,358 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-13 06:11:43,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:43,129 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-13 06:11:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 06:11:43,130 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 156 [2020-10-13 06:11:43,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:43,133 INFO L225 Difference]: With dead ends: 549 [2020-10-13 06:11:43,133 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:11:43,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-13 06:11:43,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:11:43,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:11:43,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:11:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-13 06:11:43,155 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 156 [2020-10-13 06:11:43,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:43,156 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-13 06:11:43,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:11:43,156 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-13 06:11:43,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-13 06:11:43,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:43,159 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:43,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 06:11:43,159 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:43,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:43,160 INFO L82 PathProgramCache]: Analyzing trace with hash -301456272, now seen corresponding path program 1 times [2020-10-13 06:11:43,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:43,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693667155] [2020-10-13 06:11:43,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:43,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:43,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:43,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:44,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:44,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 06:11:44,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:11:44,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1399 [2020-10-13 06:11:44,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:44,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:11:44,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 06:11:44,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 06:11:44,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:45,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:45,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:45,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:45,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:45,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:45,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:11:45,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:45,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:45,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:45,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:45,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 06:11:45,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:45,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:45,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:45,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:11:45,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:45,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 06:11:45,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:45,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:45,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:45,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 06:11:45,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:11:45,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693667155] [2020-10-13 06:11:45,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:45,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:11:45,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182517874] [2020-10-13 06:11:45,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:11:45,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:45,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:11:45,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:11:45,253 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-13 06:11:46,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:46,941 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-13 06:11:46,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:11:46,941 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 160 [2020-10-13 06:11:46,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:46,945 INFO L225 Difference]: With dead ends: 554 [2020-10-13 06:11:46,946 INFO L226 Difference]: Without dead ends: 327 [2020-10-13 06:11:46,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:11:46,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-13 06:11:46,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-13 06:11:46,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:11:46,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-13 06:11:46,970 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 160 [2020-10-13 06:11:46,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:46,971 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-13 06:11:46,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:11:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-13 06:11:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-13 06:11:46,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:46,975 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:46,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 06:11:46,975 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:46,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:46,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1326673688, now seen corresponding path program 1 times [2020-10-13 06:11:46,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:46,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754008113] [2020-10-13 06:11:46,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:47,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:47,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:47,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:47,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-13 06:11:47,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:11:47,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 484 [2020-10-13 06:11:47,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:47,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:47,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 06:11:47,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-13 06:11:47,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:47,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:47,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:47,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:47,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:47,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:47,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:11:47,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:47,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:47,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:47,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:47,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:47,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:47,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:47,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:47,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:11:47,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:47,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:11:47,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:47,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:47,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:47,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:47,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:47,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:11:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:47,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:47,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:47,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 06:11:47,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:47,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 06:11:47,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:47,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:47,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:47,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 06:11:47,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 06:11:47,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754008113] [2020-10-13 06:11:47,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:47,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:11:47,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372979721] [2020-10-13 06:11:47,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:11:47,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:47,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:11:47,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:11:47,857 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-13 06:11:48,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:48,915 INFO L93 Difference]: Finished difference Result 724 states and 951 transitions. [2020-10-13 06:11:48,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:11:48,916 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2020-10-13 06:11:48,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:48,919 INFO L225 Difference]: With dead ends: 724 [2020-10-13 06:11:48,919 INFO L226 Difference]: Without dead ends: 323 [2020-10-13 06:11:48,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:11:48,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-13 06:11:48,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 318. [2020-10-13 06:11:48,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:11:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 395 transitions. [2020-10-13 06:11:48,940 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 395 transitions. Word has length 182 [2020-10-13 06:11:48,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:48,940 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 395 transitions. [2020-10-13 06:11:48,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:11:48,941 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 395 transitions. [2020-10-13 06:11:48,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-13 06:11:48,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:48,944 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:48,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 06:11:48,945 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:48,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:48,945 INFO L82 PathProgramCache]: Analyzing trace with hash -24780807, now seen corresponding path program 1 times [2020-10-13 06:11:48,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:48,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1105551665] [2020-10-13 06:11:48,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:49,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:49,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:49,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:50,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:50,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-13 06:11:50,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:11:50,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1344 [2020-10-13 06:11:50,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:50,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:11:50,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 06:11:50,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 06:11:50,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:11:51,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:51,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:51,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:51,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:51,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:51,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:11:51,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:51,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:51,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:51,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:51,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:51,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:11:51,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:51,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 06:11:51,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:51,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:51,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:51,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 06:11:51,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:51,363 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:11:51,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1105551665] [2020-10-13 06:11:51,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:51,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:11:51,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615170595] [2020-10-13 06:11:51,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:11:51,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:51,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:11:51,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:11:51,367 INFO L87 Difference]: Start difference. First operand 318 states and 395 transitions. Second operand 12 states. [2020-10-13 06:11:51,840 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-10-13 06:11:52,061 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-10-13 06:11:52,320 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-10-13 06:11:52,799 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-10-13 06:11:53,278 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-10-13 06:11:53,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:53,551 INFO L93 Difference]: Finished difference Result 723 states and 948 transitions. [2020-10-13 06:11:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:11:53,553 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 181 [2020-10-13 06:11:53,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:53,557 INFO L225 Difference]: With dead ends: 723 [2020-10-13 06:11:53,557 INFO L226 Difference]: Without dead ends: 401 [2020-10-13 06:11:53,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-13 06:11:53,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-13 06:11:53,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 394. [2020-10-13 06:11:53,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:11:53,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 475 transitions. [2020-10-13 06:11:53,577 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 475 transitions. Word has length 181 [2020-10-13 06:11:53,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:53,578 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 475 transitions. [2020-10-13 06:11:53,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:11:53,578 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 475 transitions. [2020-10-13 06:11:53,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-13 06:11:53,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:53,581 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:53,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 06:11:53,581 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:53,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:53,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1154453246, now seen corresponding path program 1 times [2020-10-13 06:11:53,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:53,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588631239] [2020-10-13 06:11:53,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:53,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:53,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:53,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:53,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:54,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:54,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-13 06:11:54,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:11:54,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1199 [2020-10-13 06:11:54,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:11:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 06:11:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 06:11:54,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:54,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:54,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:54,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:54,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:54,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:54,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:11:54,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:54,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:54,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:54,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:54,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:54,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:54,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:54,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:54,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:11:54,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:54,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:11:54,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:54,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:11:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:54,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:54,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:54,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:11:54,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:54,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 06:11:54,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:54,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:54,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:54,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 06:11:54,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 06:11:55,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588631239] [2020-10-13 06:11:55,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:55,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:11:55,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863515844] [2020-10-13 06:11:55,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:11:55,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:55,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:11:55,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:11:55,151 INFO L87 Difference]: Start difference. First operand 394 states and 475 transitions. Second operand 5 states. [2020-10-13 06:11:56,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:11:56,448 INFO L93 Difference]: Finished difference Result 874 states and 1106 transitions. [2020-10-13 06:11:56,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:11:56,449 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 189 [2020-10-13 06:11:56,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:11:56,454 INFO L225 Difference]: With dead ends: 874 [2020-10-13 06:11:56,455 INFO L226 Difference]: Without dead ends: 399 [2020-10-13 06:11:56,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:11:56,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-10-13 06:11:56,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 394. [2020-10-13 06:11:56,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:11:56,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 472 transitions. [2020-10-13 06:11:56,498 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 472 transitions. Word has length 189 [2020-10-13 06:11:56,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:11:56,499 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 472 transitions. [2020-10-13 06:11:56,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:11:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 472 transitions. [2020-10-13 06:11:56,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-13 06:11:56,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:11:56,505 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:11:56,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 06:11:56,506 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:11:56,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:11:56,506 INFO L82 PathProgramCache]: Analyzing trace with hash 347236579, now seen corresponding path program 1 times [2020-10-13 06:11:56,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:11:56,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633916046] [2020-10-13 06:11:56,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:11:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:56,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:56,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:56,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:58,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:58,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-13 06:11:58,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:11:58,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1639 [2020-10-13 06:11:58,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:58,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:11:58,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 06:11:58,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 06:11:58,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:58,553 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2020-10-13 06:11:58,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:11:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:58,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:58,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:58,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:11:58,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:58,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:11:58,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:58,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:11:58,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:58,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:11:58,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:58,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:11:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:11:58,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:11:58,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:11:58,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:11:58,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:11:58,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 06:11:58,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:11:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:11:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:11:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 06:11:58,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:11:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:11:59,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633916046] [2020-10-13 06:11:59,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:11:59,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:11:59,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144697499] [2020-10-13 06:11:59,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:11:59,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:11:59,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:11:59,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:11:59,130 INFO L87 Difference]: Start difference. First operand 394 states and 472 transitions. Second operand 12 states. [2020-10-13 06:11:59,618 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-13 06:12:00,258 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-13 06:12:00,434 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-13 06:12:01,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:01,744 INFO L93 Difference]: Finished difference Result 886 states and 1110 transitions. [2020-10-13 06:12:01,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:12:01,745 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 198 [2020-10-13 06:12:01,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:01,748 INFO L225 Difference]: With dead ends: 886 [2020-10-13 06:12:01,748 INFO L226 Difference]: Without dead ends: 498 [2020-10-13 06:12:01,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:12:01,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-10-13 06:12:01,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 477. [2020-10-13 06:12:01,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-13 06:12:01,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 561 transitions. [2020-10-13 06:12:01,768 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 561 transitions. Word has length 198 [2020-10-13 06:12:01,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:01,769 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 561 transitions. [2020-10-13 06:12:01,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:12:01,769 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 561 transitions. [2020-10-13 06:12:01,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 06:12:01,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:01,772 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:01,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 06:12:01,773 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:01,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:01,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1437394127, now seen corresponding path program 1 times [2020-10-13 06:12:01,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:01,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121601197] [2020-10-13 06:12:01,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:01,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:01,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:02,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:03,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:03,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-13 06:12:03,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:12:03,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1739 [2020-10-13 06:12:03,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:12:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-13 06:12:03,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 06:12:03,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:03,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:03,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:03,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:03,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:03,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:03,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:12:03,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:03,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:03,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:03,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:03,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:03,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:12:03,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:03,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 06:12:03,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:03,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:03,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 06:12:03,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:12:04,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121601197] [2020-10-13 06:12:04,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:04,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:12:04,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773533774] [2020-10-13 06:12:04,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:12:04,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:04,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:12:04,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:12:04,083 INFO L87 Difference]: Start difference. First operand 477 states and 561 transitions. Second operand 12 states. [2020-10-13 06:12:05,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:05,795 INFO L93 Difference]: Finished difference Result 1040 states and 1272 transitions. [2020-10-13 06:12:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:12:05,796 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 204 [2020-10-13 06:12:05,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:05,800 INFO L225 Difference]: With dead ends: 1040 [2020-10-13 06:12:05,800 INFO L226 Difference]: Without dead ends: 569 [2020-10-13 06:12:05,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:12:05,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-10-13 06:12:05,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 556. [2020-10-13 06:12:05,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-13 06:12:05,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 645 transitions. [2020-10-13 06:12:05,831 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 645 transitions. Word has length 204 [2020-10-13 06:12:05,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:05,831 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 645 transitions. [2020-10-13 06:12:05,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:12:05,832 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 645 transitions. [2020-10-13 06:12:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-13 06:12:05,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:05,835 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:05,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 06:12:05,836 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:05,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:05,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1651065413, now seen corresponding path program 1 times [2020-10-13 06:12:05,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:05,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1433461430] [2020-10-13 06:12:05,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:05,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:05,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:06,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:06,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:07,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:07,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-13 06:12:07,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:12:07,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1817 [2020-10-13 06:12:07,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:07,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:12:07,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 06:12:07,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 06:12:07,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:12:07,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:07,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:07,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:07,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:07,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:07,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:12:07,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:07,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:08,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:08,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:08,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:08,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:12:08,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:08,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:12:08,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:08,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:08,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:08,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:08,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:12:08,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:12:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:08,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:08,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:08,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 06:12:08,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:08,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 06:12:08,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:08,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:08,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:08,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 06:12:08,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:12:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 06:12:08,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1433461430] [2020-10-13 06:12:08,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:08,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:12:08,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064858550] [2020-10-13 06:12:08,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:12:08,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:08,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:12:08,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:12:08,444 INFO L87 Difference]: Start difference. First operand 556 states and 645 transitions. Second operand 5 states. [2020-10-13 06:12:09,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:09,431 INFO L93 Difference]: Finished difference Result 1203 states and 1454 transitions. [2020-10-13 06:12:09,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:12:09,431 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 229 [2020-10-13 06:12:09,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:09,434 INFO L225 Difference]: With dead ends: 1203 [2020-10-13 06:12:09,434 INFO L226 Difference]: Without dead ends: 464 [2020-10-13 06:12:09,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:12:09,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-13 06:12:09,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 457. [2020-10-13 06:12:09,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-10-13 06:12:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 533 transitions. [2020-10-13 06:12:09,451 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 533 transitions. Word has length 229 [2020-10-13 06:12:09,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:09,452 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 533 transitions. [2020-10-13 06:12:09,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:12:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 533 transitions. [2020-10-13 06:12:09,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 06:12:09,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:09,456 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:09,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 06:12:09,456 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:09,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:09,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1550239891, now seen corresponding path program 1 times [2020-10-13 06:12:09,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:09,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925735058] [2020-10-13 06:12:09,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:09,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:09,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:09,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:10,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:12,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:12,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-13 06:12:12,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:12:12,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2564 [2020-10-13 06:12:12,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:12,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:12:12,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 06:12:12,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 06:12:12,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:12,540 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2020-10-13 06:12:12,759 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 46 [2020-10-13 06:12:12,997 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 43 [2020-10-13 06:12:13,228 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 39 [2020-10-13 06:12:13,439 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2020-10-13 06:12:13,609 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 30 [2020-10-13 06:12:13,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:13,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:13,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:13,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:13,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:13,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:12:13,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:13,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:13,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:13,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:13,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:13,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:13,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:13,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:13,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:12:13,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:13,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 06:12:13,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:13,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:13,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:13,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:13,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:13,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:12:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:13,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:13,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:13,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:12:13,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:13,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 06:12:13,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:13,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:13,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:13,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 06:12:13,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 06:12:13,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925735058] [2020-10-13 06:12:13,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:13,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:12:13,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297391296] [2020-10-13 06:12:13,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:12:13,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:13,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:12:13,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:12:13,993 INFO L87 Difference]: Start difference. First operand 457 states and 533 transitions. Second operand 12 states. [2020-10-13 06:12:14,561 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-13 06:12:14,948 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 102 [2020-10-13 06:12:15,257 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 99 [2020-10-13 06:12:15,712 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2020-10-13 06:12:15,987 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 91 [2020-10-13 06:12:16,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:16,785 INFO L93 Difference]: Finished difference Result 1000 states and 1211 transitions. [2020-10-13 06:12:16,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:12:16,786 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 240 [2020-10-13 06:12:16,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:16,789 INFO L225 Difference]: With dead ends: 1000 [2020-10-13 06:12:16,790 INFO L226 Difference]: Without dead ends: 549 [2020-10-13 06:12:16,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:12:16,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-10-13 06:12:16,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 534. [2020-10-13 06:12:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-13 06:12:16,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 613 transitions. [2020-10-13 06:12:16,809 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 613 transitions. Word has length 240 [2020-10-13 06:12:16,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:16,809 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 613 transitions. [2020-10-13 06:12:16,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:12:16,810 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 613 transitions. [2020-10-13 06:12:16,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-13 06:12:16,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:16,814 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:16,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 06:12:16,814 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:16,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:16,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1449891231, now seen corresponding path program 1 times [2020-10-13 06:12:16,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:16,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730622561] [2020-10-13 06:12:16,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:16,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:17,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:17,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:17,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-13 06:12:17,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:12:17,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-10-13 06:12:17,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:12:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-13 06:12:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-13 06:12:17,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:17,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:17,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:17,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:17,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:17,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:17,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:12:17,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:17,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:17,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:17,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:17,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:17,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:17,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:17,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:17,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:12:17,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:17,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:12:17,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:17,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:17,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:17,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:17,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:17,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:12:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:17,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:17,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:17,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 06:12:17,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:17,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 06:12:17,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:17,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 06:12:17,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-13 06:12:17,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730622561] [2020-10-13 06:12:17,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:17,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 06:12:17,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263687971] [2020-10-13 06:12:17,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 06:12:17,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:17,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 06:12:17,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:12:17,748 INFO L87 Difference]: Start difference. First operand 534 states and 613 transitions. Second operand 6 states. [2020-10-13 06:12:19,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:19,042 INFO L93 Difference]: Finished difference Result 1245 states and 1526 transitions. [2020-10-13 06:12:19,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 06:12:19,043 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 253 [2020-10-13 06:12:19,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:19,046 INFO L225 Difference]: With dead ends: 1245 [2020-10-13 06:12:19,046 INFO L226 Difference]: Without dead ends: 465 [2020-10-13 06:12:19,048 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-13 06:12:19,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-10-13 06:12:19,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 458. [2020-10-13 06:12:19,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-13 06:12:19,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 530 transitions. [2020-10-13 06:12:19,064 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 530 transitions. Word has length 253 [2020-10-13 06:12:19,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:19,064 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 530 transitions. [2020-10-13 06:12:19,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 06:12:19,064 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 530 transitions. [2020-10-13 06:12:19,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-13 06:12:19,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:19,067 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:19,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 06:12:19,067 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:19,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:19,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1006544494, now seen corresponding path program 1 times [2020-10-13 06:12:19,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:19,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1217775261] [2020-10-13 06:12:19,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:19,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:19,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:19,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:19,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:19,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:20,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:20,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:20,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:21,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:24,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:24,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 06:12:24,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 06:12:24,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 06:12:24,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:24,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:12:24,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-13 06:12:24,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 06:12:24,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:24,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:24,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:24,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:24,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:24,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:24,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:12:24,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:24,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:24,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:24,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:24,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:24,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:24,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:12:24,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:24,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 06:12:24,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:24,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:24,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:24,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:24,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:24,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:12:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:24,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:24,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:24,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:12:24,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:24,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:12:24,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:24,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:24,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:24,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:24,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:24,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 06:12:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:24,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:24,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:24,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 06:12:24,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:24,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 06:12:24,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:24,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:12:24,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:24,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 06:12:24,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-13 06:12:24,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1217775261] [2020-10-13 06:12:24,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:24,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:12:24,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3937307] [2020-10-13 06:12:24,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:12:24,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:24,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:12:24,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:12:24,845 INFO L87 Difference]: Start difference. First operand 458 states and 530 transitions. Second operand 13 states. [2020-10-13 06:12:27,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:27,280 INFO L93 Difference]: Finished difference Result 1152 states and 1416 transitions. [2020-10-13 06:12:27,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:12:27,281 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 260 [2020-10-13 06:12:27,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:27,283 INFO L225 Difference]: With dead ends: 1152 [2020-10-13 06:12:27,284 INFO L226 Difference]: Without dead ends: 466 [2020-10-13 06:12:27,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=159, Invalid=303, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:12:27,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-10-13 06:12:27,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 461. [2020-10-13 06:12:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-13 06:12:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 541 transitions. [2020-10-13 06:12:27,300 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 541 transitions. Word has length 260 [2020-10-13 06:12:27,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:27,300 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 541 transitions. [2020-10-13 06:12:27,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:12:27,300 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 541 transitions. [2020-10-13 06:12:27,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-13 06:12:27,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:27,303 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:27,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 06:12:27,303 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:27,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:27,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1134064279, now seen corresponding path program 1 times [2020-10-13 06:12:27,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:27,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030521843] [2020-10-13 06:12:27,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:27,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:27,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:27,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:27,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:29,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:29,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-13 06:12:29,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:12:29,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1816 [2020-10-13 06:12:29,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:12:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 06:12:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 06:12:29,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:29,518 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-10-13 06:12:29,661 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-10-13 06:12:29,786 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 32 [2020-10-13 06:12:30,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:30,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:30,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:30,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:30,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:30,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:12:30,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:30,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:30,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:12:30,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:30,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:30,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:30,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:12:30,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:30,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:12:30,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:30,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:30,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:30,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:30,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:30,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:12:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:30,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:30,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:30,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:12:30,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:30,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 06:12:30,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 06:12:30,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-13 06:12:30,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030521843] [2020-10-13 06:12:30,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:30,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:12:30,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864777866] [2020-10-13 06:12:30,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:12:30,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:30,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:12:30,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:12:30,392 INFO L87 Difference]: Start difference. First operand 461 states and 541 transitions. Second operand 12 states. [2020-10-13 06:12:31,081 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-13 06:12:31,356 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2020-10-13 06:12:31,611 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2020-10-13 06:12:31,867 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2020-10-13 06:12:32,087 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 86 [2020-10-13 06:12:32,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:32,633 INFO L93 Difference]: Finished difference Result 987 states and 1185 transitions. [2020-10-13 06:12:32,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:12:32,637 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 275 [2020-10-13 06:12:32,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:32,641 INFO L225 Difference]: With dead ends: 987 [2020-10-13 06:12:32,641 INFO L226 Difference]: Without dead ends: 532 [2020-10-13 06:12:32,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:12:32,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-10-13 06:12:32,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 498. [2020-10-13 06:12:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2020-10-13 06:12:32,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 585 transitions. [2020-10-13 06:12:32,662 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 585 transitions. Word has length 275 [2020-10-13 06:12:32,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:32,662 INFO L479 AbstractCegarLoop]: Abstraction has 498 states and 585 transitions. [2020-10-13 06:12:32,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:12:32,663 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 585 transitions. [2020-10-13 06:12:32,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-10-13 06:12:32,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:32,665 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:32,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 06:12:32,666 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:32,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:32,666 INFO L82 PathProgramCache]: Analyzing trace with hash -707565510, now seen corresponding path program 1 times [2020-10-13 06:12:32,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:32,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291937697] [2020-10-13 06:12:32,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:32,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:32,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:32,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:33,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:33,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:34,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:34,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-10-13 06:12:34,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 06:12:34,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1766 [2020-10-13 06:12:34,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:12:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-13 06:12:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-13 06:12:34,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:34,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:34,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:34,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:34,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:34,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:34,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:12:34,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:34,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:34,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:34,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:34,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:34,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:34,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:34,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:34,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:12:34,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:34,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 06:12:34,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:34,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:34,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:12:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:34,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:34,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:34,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:12:34,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:34,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 06:12:34,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:34,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:34,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:34,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:34,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:12:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:34,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:34,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:34,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 06:12:34,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:34,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:12:34,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:34,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:34,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:34,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 06:12:34,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 136 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-13 06:12:34,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291937697] [2020-10-13 06:12:34,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:34,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:12:34,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122740914] [2020-10-13 06:12:34,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:12:34,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:34,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:12:34,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:12:34,882 INFO L87 Difference]: Start difference. First operand 498 states and 585 transitions. Second operand 5 states. [2020-10-13 06:12:35,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:35,790 INFO L93 Difference]: Finished difference Result 1076 states and 1306 transitions. [2020-10-13 06:12:35,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:12:35,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 289 [2020-10-13 06:12:35,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:35,794 INFO L225 Difference]: With dead ends: 1076 [2020-10-13 06:12:35,795 INFO L226 Difference]: Without dead ends: 501 [2020-10-13 06:12:35,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:12:35,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-10-13 06:12:35,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 498. [2020-10-13 06:12:35,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2020-10-13 06:12:35,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 580 transitions. [2020-10-13 06:12:35,821 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 580 transitions. Word has length 289 [2020-10-13 06:12:35,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:35,821 INFO L479 AbstractCegarLoop]: Abstraction has 498 states and 580 transitions. [2020-10-13 06:12:35,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:12:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 580 transitions. [2020-10-13 06:12:35,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-10-13 06:12:35,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:35,824 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:35,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 06:12:35,825 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:35,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:35,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1522930034, now seen corresponding path program 1 times [2020-10-13 06:12:35,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:35,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205452882] [2020-10-13 06:12:35,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:35,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:36,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:36,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:36,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:36,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:40,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:40,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 06:12:40,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 06:12:40,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 06:12:40,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:40,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:12:40,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-13 06:12:40,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-13 06:12:40,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:41,244 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-13 06:12:41,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:41,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:41,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:41,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:41,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:41,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:12:41,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:41,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:41,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:41,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:41,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:41,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:12:41,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:41,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:12:41,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:41,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:41,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:41,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:41,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:41,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:12:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:41,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:41,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:41,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:12:41,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:41,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:12:41,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:41,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:41,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:41,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:41,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:41,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:12:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:41,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:41,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:41,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 06:12:41,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:41,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:12:41,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:41,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:12:41,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:41,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 06:12:41,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:41,967 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 141 proven. 3 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 06:12:41,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205452882] [2020-10-13 06:12:41,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:41,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:12:41,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259378343] [2020-10-13 06:12:41,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:12:41,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:41,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:12:41,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:12:41,969 INFO L87 Difference]: Start difference. First operand 498 states and 580 transitions. Second operand 13 states. [2020-10-13 06:12:42,771 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-13 06:12:43,088 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-10-13 06:12:43,372 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-10-13 06:12:43,812 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2020-10-13 06:12:44,258 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2020-10-13 06:12:45,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:45,165 INFO L93 Difference]: Finished difference Result 1370 states and 1676 transitions. [2020-10-13 06:12:45,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:12:45,166 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 296 [2020-10-13 06:12:45,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:45,172 INFO L225 Difference]: With dead ends: 1370 [2020-10-13 06:12:45,173 INFO L226 Difference]: Without dead ends: 877 [2020-10-13 06:12:45,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2020-10-13 06:12:45,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2020-10-13 06:12:45,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 869. [2020-10-13 06:12:45,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-10-13 06:12:45,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 999 transitions. [2020-10-13 06:12:45,198 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 999 transitions. Word has length 296 [2020-10-13 06:12:45,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:45,199 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 999 transitions. [2020-10-13 06:12:45,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:12:45,199 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 999 transitions. [2020-10-13 06:12:45,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-13 06:12:45,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:45,202 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:45,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 06:12:45,203 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:45,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:45,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1042870745, now seen corresponding path program 1 times [2020-10-13 06:12:45,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:45,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858885467] [2020-10-13 06:12:45,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:45,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:45,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:45,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:45,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 315 [2020-10-13 06:12:45,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:12:45,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 552 [2020-10-13 06:12:45,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:45,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:12:45,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-13 06:12:45,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 06:12:45,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:45,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:45,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:45,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:45,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:45,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:45,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:12:45,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:45,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:45,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:45,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:45,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:45,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:45,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:45,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:45,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:12:45,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:45,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:12:45,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:45,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:45,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:12:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:45,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:45,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:45,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:12:45,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:45,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:12:45,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:45,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:45,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:45,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:45,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:45,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:12:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:45,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:45,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:45,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 06:12:45,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:45,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:12:45,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:45,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:45,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 06:12:45,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-13 06:12:46,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858885467] [2020-10-13 06:12:46,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:46,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:12:46,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285896434] [2020-10-13 06:12:46,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:12:46,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:46,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:12:46,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:12:46,111 INFO L87 Difference]: Start difference. First operand 869 states and 999 transitions. Second operand 5 states. [2020-10-13 06:12:46,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:46,977 INFO L93 Difference]: Finished difference Result 1823 states and 2143 transitions. [2020-10-13 06:12:46,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:12:46,984 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 301 [2020-10-13 06:12:46,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:46,989 INFO L225 Difference]: With dead ends: 1823 [2020-10-13 06:12:46,989 INFO L226 Difference]: Without dead ends: 874 [2020-10-13 06:12:46,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:12:46,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-10-13 06:12:47,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 869. [2020-10-13 06:12:47,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-10-13 06:12:47,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 984 transitions. [2020-10-13 06:12:47,016 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 984 transitions. Word has length 301 [2020-10-13 06:12:47,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:47,016 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 984 transitions. [2020-10-13 06:12:47,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:12:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 984 transitions. [2020-10-13 06:12:47,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-10-13 06:12:47,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:47,021 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:47,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 06:12:47,021 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:47,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:47,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1994814517, now seen corresponding path program 1 times [2020-10-13 06:12:47,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:47,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713141425] [2020-10-13 06:12:47,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:47,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:47,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:47,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:47,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:48,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:50,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:50,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-10-13 06:12:50,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 06:12:50,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2904 [2020-10-13 06:12:50,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:50,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:12:50,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-13 06:12:50,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 06:12:50,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:50,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:50,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:50,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:50,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:50,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:50,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:12:50,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:50,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:50,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:50,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:50,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:50,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:50,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:50,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:50,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:12:50,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:50,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:12:50,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:50,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:50,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:12:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:50,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:50,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:50,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:12:50,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:50,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:12:50,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:50,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:50,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:50,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:50,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:50,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:12:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:50,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:50,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:50,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 06:12:50,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:50,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 06:12:50,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:50,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:50,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:50,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 06:12:50,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-13 06:12:50,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713141425] [2020-10-13 06:12:50,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:50,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:12:50,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210982939] [2020-10-13 06:12:50,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:12:50,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:50,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:12:50,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:12:50,467 INFO L87 Difference]: Start difference. First operand 869 states and 984 transitions. Second operand 5 states. [2020-10-13 06:12:51,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:51,444 INFO L93 Difference]: Finished difference Result 1821 states and 2105 transitions. [2020-10-13 06:12:51,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:12:51,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 306 [2020-10-13 06:12:51,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:51,449 INFO L225 Difference]: With dead ends: 1821 [2020-10-13 06:12:51,449 INFO L226 Difference]: Without dead ends: 874 [2020-10-13 06:12:51,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:12:51,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-10-13 06:12:51,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 869. [2020-10-13 06:12:51,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-10-13 06:12:51,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 971 transitions. [2020-10-13 06:12:51,473 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 971 transitions. Word has length 306 [2020-10-13 06:12:51,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:51,473 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 971 transitions. [2020-10-13 06:12:51,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:12:51,474 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 971 transitions. [2020-10-13 06:12:51,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-10-13 06:12:51,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:12:51,478 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:12:51,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 06:12:51,478 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:12:51,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:12:51,479 INFO L82 PathProgramCache]: Analyzing trace with hash 2015223924, now seen corresponding path program 1 times [2020-10-13 06:12:51,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:12:51,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [738878822] [2020-10-13 06:12:51,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:12:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:51,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:51,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:51,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:51,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:52,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:52,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:52,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:53,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:53,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:53,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:53,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:54,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:54,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:54,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 377 [2020-10-13 06:12:54,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 06:12:54,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3185 [2020-10-13 06:12:54,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:54,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:12:54,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-10-13 06:12:54,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:12:54,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:54,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:12:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:54,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:54,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:54,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:12:54,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:54,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:12:54,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:54,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:54,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:54,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:54,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:54,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:12:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:54,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:54,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:54,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:12:54,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:54,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:12:54,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:54,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:54,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:54,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:54,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:54,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:12:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:54,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:54,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:54,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:12:54,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:54,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:12:54,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:12:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:12:54,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:54,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:12:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:54,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:54,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:54,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 06:12:54,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:54,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 06:12:54,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:54,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:12:54,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:12:54,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 06:12:54,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:54,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 06:12:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:12:54,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:12:54,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:12:54,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 06:12:54,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:12:54,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 06:12:54,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:12:54,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:12:54,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 06:12:54,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:12:54,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:12:55,027 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 336 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-13 06:12:55,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [738878822] [2020-10-13 06:12:55,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:12:55,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 06:12:55,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234339140] [2020-10-13 06:12:55,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 06:12:55,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:12:55,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 06:12:55,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:12:55,030 INFO L87 Difference]: Start difference. First operand 869 states and 971 transitions. Second operand 7 states. [2020-10-13 06:12:55,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:12:55,764 INFO L93 Difference]: Finished difference Result 1262 states and 1388 transitions. [2020-10-13 06:12:55,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 06:12:55,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 361 [2020-10-13 06:12:55,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:12:55,765 INFO L225 Difference]: With dead ends: 1262 [2020-10-13 06:12:55,765 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 06:12:55,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:12:55,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 06:12:55,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 06:12:55,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 06:12:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 06:12:55,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 361 [2020-10-13 06:12:55,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:12:55,770 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 06:12:55,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 06:12:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 06:12:55,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 06:12:55,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 06:12:55,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 06:12:56,477 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 146 [2020-10-13 06:12:56,929 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 170 [2020-10-13 06:12:59,485 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 253 DAG size of output: 184 [2020-10-13 06:13:00,028 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 75 [2020-10-13 06:13:00,731 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 108 [2020-10-13 06:13:00,736 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:13:00,737 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-13 06:13:00,737 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:13:00,737 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,737 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,737 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,738 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,738 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,738 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-13 06:13:00,738 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-13 06:13:00,738 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-13 06:13:00,739 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-13 06:13:00,739 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-13 06:13:00,739 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-13 06:13:00,739 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-13 06:13:00,739 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-13 06:13:00,739 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-13 06:13:00,739 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-13 06:13:00,739 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:13:00,740 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:13:00,740 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-13 06:13:00,740 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,740 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,740 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,740 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,740 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-13 06:13:00,740 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,740 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-13 06:13:00,740 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-13 06:13:00,740 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-13 06:13:00,740 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-13 06:13:00,740 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-13 06:13:00,740 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-13 06:13:00,741 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-13 06:13:00,741 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:13:00,741 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:13:00,741 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-13 06:13:00,741 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-13 06:13:00,741 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-13 06:13:00,741 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:13:00,741 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:13:00,741 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-13 06:13:00,741 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,741 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,742 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,742 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,742 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,742 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2020-10-13 06:13:00,742 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:13:00,742 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-13 06:13:00,742 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:13:00,742 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-13 06:13:00,743 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-13 06:13:00,743 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-13 06:13:00,743 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-13 06:13:00,743 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-13 06:13:00,743 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-13 06:13:00,743 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-13 06:13:00,743 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-13 06:13:00,743 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,743 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,743 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,744 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,744 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,744 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-13 06:13:00,744 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-13 06:13:00,744 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-13 06:13:00,744 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-13 06:13:00,744 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-13 06:13:00,744 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-13 06:13:00,744 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-13 06:13:00,744 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-13 06:13:00,744 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-13 06:13:00,744 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-13 06:13:00,744 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-13 06:13:00,744 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-13 06:13:00,745 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-13 06:13:00,745 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,745 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,745 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,745 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,745 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,745 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-13 06:13:00,745 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-13 06:13:00,745 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,746 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-13 06:13:00,747 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-13 06:13:00,748 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-13 06:13:00,749 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-13 06:13:00,750 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-13 06:13:00,750 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-13 06:13:00,750 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-13 06:13:00,750 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-13 06:13:00,750 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-13 06:13:00,750 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-13 06:13:00,750 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-13 06:13:00,750 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-13 06:13:00,750 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-13 06:13:00,750 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-13 06:13:00,750 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,750 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,750 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,751 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse22 (= |old(~a11~0)| 1)) (.cse29 (= |old(~a19~0)| 1))) (let ((.cse2 (not (<= |old(~a28~0)| 10))) (.cse8 (<= ~a28~0 10)) (.cse28 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse26 (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6)))) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse15 (not (<= |old(~a11~0)| 1))) (.cse16 (not (<= 8 |old(~a17~0)|))) (.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse19 (<= 1 ~a11~0)) (.cse20 (<= ~a11~0 1)) (.cse21 (not (<= 1 |old(~a11~0)|))) (.cse12 (not (= 9 |old(~a28~0)|))) (.cse4 (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1))))) (.cse27 (= ~a19~0 1)) (.cse13 (= ~a28~0 9)) (.cse14 (not (<= |old(~a19~0)| 1))) (.cse17 (not (<= 1 |old(~a19~0)|))) (.cse32 (not (= 10 |old(~a28~0)|))) (.cse33 (= ~a28~0 10)) (.cse23 (= ~a25~0 |old(~a25~0)|)) (.cse6 (= ~a17~0 8)) (.cse11 (not (= 8 |old(~a17~0)|))) (.cse34 (not (= 0 |old(~a25~0)|))) (.cse31 (= 7 ~a17~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse24 (= 7 ~a28~0)) (.cse7 (= ~a25~0 1)) (.cse9 (= ~a19~0 |old(~a19~0)|)) (.cse0 (not (= |old(~a25~0)| 1))) (.cse30 (not (= 7 |old(~a17~0)|))) (.cse10 (not .cse29)) (.cse3 (not (= ~a21~0 1))) (.cse25 (not (= 7 |old(~a28~0)|))) (.cse35 (not .cse22))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (< 7 |old(~a17~0)|)) (and (not (<= 2 |old(~a11~0)|)) (not (<= |old(~a11~0)| 0))) (not (<= |old(~a19~0)| 0)) (and .cse5 (< 9 ~a28~0) .cse6 .cse7 .cse8 .cse9) (not (< 9 |old(~a28~0)|))) (or .cse0 .cse10 .cse11 .cse12 .cse3 (and .cse5 .cse6 .cse7 .cse13 .cse9)) (or (not (<= |old(~a25~0)| 1)) .cse14 .cse1 .cse15 .cse2 .cse16 .cse17 (and .cse18 .cse19 (<= 10 ~a28~0) (<= 1 ~a25~0) .cse20 (<= ~a25~0 1) .cse8 .cse9) (not (<= 10 |old(~a28~0)|)) .cse3 .cse21 (not (<= 1 |old(~a25~0)|))) (or (not (= 0 |old(~a19~0)|)) .cse11 .cse22 (and (= ~a19~0 0) .cse5 .cse23 .cse6 .cse24) .cse3 .cse4 .cse25) (or .cse26 (and (= ~a25~0 ~a11~0) .cse27 .cse23 .cse6 .cse24) .cse10 (not (= 0 |old(~a11~0)|)) .cse11 .cse3 .cse25 .cse28) (or .cse29 .cse0 .cse30 (and .cse31 .cse5 .cse7 .cse13 .cse9) .cse12 .cse3 .cse28) (or .cse26 .cse32 .cse10 .cse11 .cse22 .cse3 (and .cse5 .cse23 .cse6 .cse9 .cse33)) (or .cse14 .cse1 .cse15 .cse16 .cse17 (and .cse18 .cse19 (<= 9 ~a28~0) .cse23 .cse20 (<= ~a28~0 9) .cse9) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a28~0)| 9)) .cse3 .cse21 (not (<= 9 |old(~a28~0)|))) (or (and .cse5 .cse23 .cse6 (= ~a28~0 8) .cse9) .cse29 .cse11 .cse34 .cse22 .cse3 .cse4 (not (= 8 |old(~a28~0)|))) (or .cse10 .cse11 .cse22 .cse12 .cse3 .cse4 (and .cse5 .cse27 .cse23 .cse6 .cse13)) (or .cse14 .cse0 (and (= ~a28~0 |old(~a28~0)|) .cse5 .cse6 .cse7 .cse9) .cse17 .cse11 .cse22 .cse3) (or .cse32 .cse30 (not (= |old(~a19~0)| |old(~a25~0)|)) .cse34 .cse3 (and .cse31 .cse5 (= ~a25~0 ~a19~0) .cse9 .cse33) .cse35) (or (and .cse5 .cse23 .cse6 .cse24 .cse9) .cse11 .cse34 .cse3 .cse25 (= |old(~a11~0)| |old(~a19~0)|) .cse35) (or (and .cse31 .cse5 .cse24 .cse7 .cse9) .cse0 .cse30 .cse10 .cse3 .cse25 .cse35)))) [2020-10-13 06:13:00,751 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,751 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,751 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,751 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-13 06:13:00,751 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-13 06:13:00,751 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-13 06:13:00,751 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-13 06:13:00,751 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-13 06:13:00,751 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-13 06:13:00,752 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,753 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:13:00,754 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-13 06:13:00,755 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:13:00,755 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:13:00,755 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-13 06:13:00,755 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-13 06:13:00,755 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:13:00,755 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (= ~a11~0 0) (<= ~a19~0 1) (<= 1 ~a19~0)) [2020-10-13 06:13:00,755 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 06:13:00,755 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:13:00,755 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 (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-13 06:13:00,755 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a19~0 1)) (.cse4 (= ~a11~0 1))) (let ((.cse2 (= 7 ~a28~0)) (.cse7 (not .cse4)) (.cse9 (= ~a25~0 0)) (.cse13 (= ~a28~0 10)) (.cse5 (= ~a17~0 8)) (.cse12 (= ~a25~0 ~a11~0)) (.cse0 (= 7 ~a17~0)) (.cse10 (not .cse1)) (.cse3 (= ~a25~0 1)) (.cse11 (= ~a28~0 9)) (.cse14 (<= 10 ~a28~0)) (.cse15 (<= ~a28~0 10)) (.cse16 (<= 8 ~a17~0)) (.cse6 (<= ~a19~0 1)) (.cse17 (<= ~a17~0 8)) (.cse8 (<= 1 ~a19~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3 .cse6 .cse7 .cse8) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (and (= ~a19~0 0) .cse5 .cse2 .cse7) (and .cse9 .cse5 .cse2 (not (= ~a11~0 ~a19~0)) .cse4) (and .cse9 .cse5 .cse10 .cse7 (= ~a28~0 8)) (and .cse5 .cse11 .cse7 (= ~a19~0 |old(~a19~0)|)) (and .cse12 .cse1 (= ~a25~0 |old(~a25~0)|) .cse5 .cse2) (and .cse1 .cse5 .cse7 .cse13) (and (<= ~a19~0 0) .cse14 .cse5 .cse3 .cse7 .cse15) (and .cse0 .cse9 .cse4 (= ~a25~0 ~a19~0) .cse13) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse5 .cse3 .cse11) (and .cse12 .cse0 .cse10 .cse3 .cse11) (not (= ~a21~0 1)) (and .cse14 (<= 1 ~a25~0) .cse16 .cse6 .cse17 (<= ~a25~0 1) .cse8 .cse15) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|)) (and (<= 9 ~a28~0) .cse16 .cse6 (<= ~a28~0 9) .cse17 (<= ~a25~0 0) .cse8)))) [2020-10-13 06:13:00,755 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:13:00,756 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:13:00,756 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (= ~a11~0 1)) (.cse1 (= ~a19~0 1))) (let ((.cse9 (= ~a25~0 0)) (.cse15 (= ~a25~0 ~a11~0)) (.cse0 (= 7 ~a17~0)) (.cse11 (not .cse1)) (.cse3 (= ~a25~0 1)) (.cse19 (= ~a28~0 9)) (.cse12 (<= 10 ~a28~0)) (.cse16 (<= 8 ~a17~0)) (.cse6 (<= ~a19~0 1)) (.cse17 (<= ~a17~0 8)) (.cse8 (<= 1 ~a19~0)) (.cse13 (<= ~a28~0 10)) (.cse14 (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1))) (.cse18 (= ~a28~0 10)) (.cse5 (= ~a17~0 8)) (.cse10 (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)))) (.cse2 (= 7 ~a28~0)) (.cse7 (not .cse4))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3 .cse6 .cse7 .cse8) (not (= |old(~a19~0)| 1)) (and .cse9 .cse5 .cse10 .cse11 .cse7 (= ~a28~0 8)) (not (= 8 |old(~a17~0)|)) (and (or (<= ~a11~0 0) (< 1 ~a11~0)) (<= ~a19~0 0) .cse12 .cse5 .cse10 .cse3 .cse13) (and .cse14 .cse15 .cse1 (= ~a25~0 |old(~a25~0)|) .cse5 .cse2) (and .cse9 .cse5 .cse2 (not (= ~a11~0 ~a19~0)) .cse4) (and (<= 1 ~a11~0) (<= 9 ~a28~0) (<= ~a11~0 1) .cse16 .cse6 (<= ~a28~0 9) .cse17 (<= ~a25~0 0) .cse8) (and .cse0 .cse9 .cse4 (= ~a25~0 ~a19~0) .cse18) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse5 .cse3 .cse19) (and .cse15 .cse0 .cse11 .cse3 .cse19) (not (= ~a21~0 1)) (and .cse5 .cse10 .cse19 .cse7 (= ~a19~0 |old(~a19~0)|)) (and .cse12 (<= 1 ~a25~0) .cse16 .cse6 .cse17 (<= ~a25~0 1) .cse8 .cse13) (and .cse14 .cse1 .cse5 .cse7 .cse18) (not (= 7 |old(~a28~0)|)) (and (= ~a19~0 0) .cse5 .cse10 .cse2 .cse7) (not (= |old(~a11~0)| |old(~a25~0)|))))) [2020-10-13 06:13:00,756 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-13 06:13:00,756 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-13 06:13:00,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:13:00 BoogieIcfgContainer [2020-10-13 06:13:00,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 06:13:00,783 INFO L168 Benchmark]: Toolchain (without parser) took 89323.28 ms. Allocated memory was 138.9 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 100.6 MB in the beginning and 259.1 MB in the end (delta: -158.5 MB). Peak memory consumption was 978.3 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:00,783 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 06:13:00,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.17 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 171.0 MB in the end (delta: -70.6 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:00,784 INFO L168 Benchmark]: Boogie Preprocessor took 108.11 ms. Allocated memory is still 203.9 MB. Free memory was 171.0 MB in the beginning and 166.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:00,785 INFO L168 Benchmark]: RCFGBuilder took 1219.47 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 166.0 MB in the beginning and 181.3 MB in the end (delta: -15.3 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:00,786 INFO L168 Benchmark]: TraceAbstraction took 87220.85 ms. Allocated memory was 235.9 MB in the beginning and 1.1 GB in the end (delta: 903.3 MB). Free memory was 181.3 MB in the beginning and 259.1 MB in the end (delta: -77.8 MB). Peak memory consumption was 962.0 MB. Max. memory is 7.1 GB. [2020-10-13 06:13:00,788 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 770.17 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 171.0 MB in the end (delta: -70.6 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.11 ms. Allocated memory is still 203.9 MB. Free memory was 171.0 MB in the beginning and 166.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1219.47 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 166.0 MB in the beginning and 181.3 MB in the end (delta: -15.3 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 87220.85 ms. Allocated memory was 235.9 MB in the beginning and 1.1 GB in the end (delta: 903.3 MB). Free memory was 181.3 MB in the beginning and 259.1 MB in the end (delta: -77.8 MB). Peak memory consumption was 962.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: ((((((((((((((((((((((7 == a17 && a19 == 1) && 7 == a28) && a25 == 1) && a11 == 1) || ((((a17 == 8 && a25 == 1) && a19 <= 1) && !(a11 == 1)) && 1 <= a19)) || !(\old(a19) == 1)) || !(8 == \old(a17))) || (((a19 == 0 && a17 == 8) && 7 == a28) && !(a11 == 1))) || ((((a25 == 0 && a17 == 8) && 7 == a28) && !(a11 == a19)) && a11 == 1)) || ((((a25 == 0 && a17 == 8) && !(a19 == 1)) && !(a11 == 1)) && a28 == 8)) || (((a17 == 8 && a28 == 9) && !(a11 == 1)) && a19 == \old(a19))) || ((((a25 == a11 && a19 == 1) && a25 == \old(a25)) && a17 == 8) && 7 == a28)) || (((a19 == 1 && a17 == 8) && !(a11 == 1)) && a28 == 10)) || (((((a19 <= 0 && 10 <= a28) && a17 == 8) && a25 == 1) && !(a11 == 1)) && a28 <= 10)) || ((((7 == a17 && a25 == 0) && a11 == 1) && a25 == a19) && a28 == 10)) || !(0 == \old(a11))) || (((a19 == 1 && a17 == 8) && a25 == 1) && a28 == 9)) || ((((a25 == a11 && 7 == a17) && !(a19 == 1)) && a25 == 1) && a28 == 9)) || !(a21 == 1)) || (((((((10 <= a28 && 1 <= a25) && 8 <= a17) && a19 <= 1) && a17 <= 8) && a25 <= 1) && 1 <= a19) && a28 <= 10)) || !(7 == \old(a28))) || !(\old(a11) == \old(a25))) || ((((((9 <= a28 && 8 <= a17) && a19 <= 1) && a28 <= 9) && a17 <= 8) && a25 <= 0) && 1 <= a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 82.1s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 31.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 675 SDtfs, 6957 SDslu, 991 SDs, 0 SdLazy, 15134 SolverSat, 1266 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 391 GetRequests, 155 SyntacticMatches, 12 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=869occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 155 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 109 PreInvPairs, 149 NumberOfFragments, 1673 HoareAnnotationTreeSize, 109 FomulaSimplifications, 20709901 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2378 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 45.9s InterpolantComputationTime, 4227 NumberOfCodeBlocks, 4227 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4209 ConstructedInterpolants, 0 QuantifiedInterpolants, 9983343 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 1 PerfectInterpolantSequences, 2294/2328 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...