/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_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 06:13:02,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 06:13:02,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 06:13:02,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 06:13:02,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 06:13:02,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 06:13:02,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 06:13:02,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 06:13:02,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 06:13:02,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 06:13:02,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 06:13:02,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 06:13:02,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 06:13:02,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 06:13:02,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 06:13:02,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 06:13:02,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 06:13:02,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 06:13:02,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 06:13:02,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 06:13:02,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 06:13:02,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 06:13:02,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 06:13:02,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 06:13:02,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 06:13:02,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 06:13:02,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 06:13:02,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 06:13:02,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 06:13:02,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 06:13:02,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 06:13:02,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 06:13:02,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 06:13:02,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 06:13:02,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 06:13:02,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 06:13:02,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 06:13:02,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 06:13:02,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 06:13:02,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 06:13:02,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 06:13:02,423 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 06:13:02,456 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 06:13:02,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 06:13:02,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 06:13:02,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 06:13:02,459 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 06:13:02,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 06:13:02,459 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 06:13:02,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 06:13:02,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 06:13:02,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 06:13:02,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 06:13:02,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 06:13:02,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 06:13:02,462 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 06:13:02,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 06:13:02,462 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 06:13:02,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 06:13:02,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 06:13:02,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 06:13:02,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 06:13:02,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 06:13:02,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 06:13:02,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 06:13:02,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 06:13:02,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 06:13:02,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 06:13:02,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 06:13:02,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 06:13:02,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 06:13:02,465 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 06:13:02,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 06:13:02,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 06:13:02,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 06:13:02,792 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 06:13:02,792 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 06:13:02,793 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label49.c [2020-10-13 06:13:02,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2dcbcb917/eff19f8b57ab4a62a1df2c58644b7a35/FLAGece33e3f5 [2020-10-13 06:13:03,381 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 06:13:03,382 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label49.c [2020-10-13 06:13:03,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2dcbcb917/eff19f8b57ab4a62a1df2c58644b7a35/FLAGece33e3f5 [2020-10-13 06:13:03,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2dcbcb917/eff19f8b57ab4a62a1df2c58644b7a35 [2020-10-13 06:13:03,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 06:13:03,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 06:13:03,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 06:13:03,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 06:13:03,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 06:13:03,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:13:03" (1/1) ... [2020-10-13 06:13:03,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e3fcd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:03, skipping insertion in model container [2020-10-13 06:13:03,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:13:03" (1/1) ... [2020-10-13 06:13:03,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 06:13:03,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 06:13:04,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:13:04,356 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 06:13:04,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:13:04,460 INFO L208 MainTranslator]: Completed translation [2020-10-13 06:13:04,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:04 WrapperNode [2020-10-13 06:13:04,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 06:13:04,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 06:13:04,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 06:13:04,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 06:13:04,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:04" (1/1) ... [2020-10-13 06:13:04,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:04" (1/1) ... [2020-10-13 06:13:04,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:04" (1/1) ... [2020-10-13 06:13:04,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:04" (1/1) ... [2020-10-13 06:13:04,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:04" (1/1) ... [2020-10-13 06:13:04,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:04" (1/1) ... [2020-10-13 06:13:04,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:04" (1/1) ... [2020-10-13 06:13:04,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 06:13:04,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 06:13:04,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 06:13:04,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 06:13:04,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 06:13:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 06:13:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 06:13:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 06:13:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 06:13:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 06:13:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 06:13:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 06:13:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 06:13:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 06:13:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 06:13:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 06:13:05,811 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 06:13:05,811 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 06:13:05,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:13:05 BoogieIcfgContainer [2020-10-13 06:13:05,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 06:13:05,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 06:13:05,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 06:13:05,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 06:13:05,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:13:03" (1/3) ... [2020-10-13 06:13:05,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f37d062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:13:05, skipping insertion in model container [2020-10-13 06:13:05,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:04" (2/3) ... [2020-10-13 06:13:05,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f37d062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:13:05, skipping insertion in model container [2020-10-13 06:13:05,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:13:05" (3/3) ... [2020-10-13 06:13:05,838 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label49.c [2020-10-13 06:13:05,851 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 06:13:05,865 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 06:13:05,880 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 06:13:05,915 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 06:13:05,916 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 06:13:05,916 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 06:13:05,916 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 06:13:05,917 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 06:13:05,917 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 06:13:05,917 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 06:13:05,917 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 06:13:05,942 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-13 06:13:05,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-13 06:13:05,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:05,957 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] [2020-10-13 06:13:05,957 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:05,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:05,963 INFO L82 PathProgramCache]: Analyzing trace with hash 2010725689, now seen corresponding path program 1 times [2020-10-13 06:13:05,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:05,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798424876] [2020-10-13 06:13:05,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:06,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:06,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:07,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:07,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 06:13:07,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:13:07,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1621 [2020-10-13 06:13:07,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 06:13:07,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 06:13:07,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-13 06:13:07,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 06:13:08,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:08,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:08,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:08,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:08,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:08,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 06:13:08,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:08,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:08,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:08,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 06:13:08,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:08,627 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 06:13:08,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798424876] [2020-10-13 06:13:08,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 06:13:08,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 06:13:08,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454361721] [2020-10-13 06:13:08,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:08,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:08,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:08,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:08,659 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 12 states. [2020-10-13 06:13:09,031 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-10-13 06:13:09,203 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-10-13 06:13:09,429 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2020-10-13 06:13:09,656 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2020-10-13 06:13:09,889 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-10-13 06:13:10,368 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-10-13 06:13:10,771 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2020-10-13 06:13:11,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:11,847 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-13 06:13:11,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:13:11,850 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 131 [2020-10-13 06:13:11,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:11,866 INFO L225 Difference]: With dead ends: 536 [2020-10-13 06:13:11,866 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:13:11,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:13:11,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:13:11,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:13:11,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:13:11,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-13 06:13:11,947 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 131 [2020-10-13 06:13:11,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:11,948 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-13 06:13:11,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:11,949 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-13 06:13:11,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-13 06:13:11,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:11,954 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] [2020-10-13 06:13:11,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 06:13:11,955 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:11,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:11,956 INFO L82 PathProgramCache]: Analyzing trace with hash 2096664232, now seen corresponding path program 1 times [2020-10-13 06:13:11,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:11,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [825185721] [2020-10-13 06:13:11,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:12,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:12,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:12,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:13,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:13,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-13 06:13:13,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:13,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1388 [2020-10-13 06:13:13,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 06:13:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 06:13:13,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:13,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:13,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:13,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:13,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:13,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:13,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:13:13,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:13,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:13,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:13,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:13,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 06:13:13,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:13,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:13,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:13,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 06:13:13,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:13,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:13:13,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:13,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:13,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:13,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 06:13:13,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:13,990 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 06:13:13,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [825185721] [2020-10-13 06:13:13,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:13,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:13,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697212142] [2020-10-13 06:13:13,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:13,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:13,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:13,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:13,995 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-13 06:13:15,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:15,898 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-13 06:13:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 06:13:15,899 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 140 [2020-10-13 06:13:15,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:15,902 INFO L225 Difference]: With dead ends: 549 [2020-10-13 06:13:15,902 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:13:15,905 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 06:13:15,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:13:15,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:13:15,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:13:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-13 06:13:15,942 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 140 [2020-10-13 06:13:15,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:15,943 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-13 06:13:15,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:15,943 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-13 06:13:15,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-13 06:13:15,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:15,951 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] [2020-10-13 06:13:15,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 06:13:15,951 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:15,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:15,952 INFO L82 PathProgramCache]: Analyzing trace with hash 848004400, now seen corresponding path program 1 times [2020-10-13 06:13:15,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:15,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1516061292] [2020-10-13 06:13:15,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:16,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:16,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:16,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:17,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:17,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-13 06:13:17,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:17,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1421 [2020-10-13 06:13:17,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:17,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:17,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 06:13:17,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 06:13:17,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:17,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:17,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:17,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:17,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:17,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:17,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:13:17,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:17,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:17,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:17,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:17,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:17,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:17,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:17,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:17,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:13:17,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:17,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 06:13:17,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:17,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:17,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:17,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 06:13:17,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:18,070 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 06:13:18,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1516061292] [2020-10-13 06:13:18,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:18,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:18,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638760712] [2020-10-13 06:13:18,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:18,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:18,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:18,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:18,078 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-13 06:13:19,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:19,773 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-13 06:13:19,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:13:19,774 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 144 [2020-10-13 06:13:19,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:19,778 INFO L225 Difference]: With dead ends: 554 [2020-10-13 06:13:19,778 INFO L226 Difference]: Without dead ends: 327 [2020-10-13 06:13:19,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:13:19,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-13 06:13:19,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-13 06:13:19,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:13:19,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-13 06:13:19,815 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 144 [2020-10-13 06:13:19,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:19,819 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-13 06:13:19,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:19,819 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-13 06:13:19,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-13 06:13:19,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:19,828 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] [2020-10-13 06:13:19,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 06:13:19,829 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:19,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:19,829 INFO L82 PathProgramCache]: Analyzing trace with hash 512827352, now seen corresponding path program 1 times [2020-10-13 06:13:19,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:19,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247210595] [2020-10-13 06:13:19,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:19,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:20,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:20,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:20,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 06:13:20,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:13:20,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-13 06:13:20,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 06:13:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-13 06:13:20,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 06:13:20,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:20,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:20,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:20,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:20,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:20,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:13:20,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:20,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:20,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:20,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:20,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:20,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:20,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:20,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:20,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:13:20,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:20,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:20,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:20,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:20,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:20,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:20,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 06:13:20,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:13:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:20,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:20,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:20,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 06:13:20,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:20,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 06:13:20,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:20,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:20,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:20,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 06:13:20,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:20,744 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 06:13:20,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247210595] [2020-10-13 06:13:20,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:20,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:13:20,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052161659] [2020-10-13 06:13:20,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:13:20,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:20,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:13:20,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:13:20,747 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-13 06:13:21,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:21,772 INFO L93 Difference]: Finished difference Result 724 states and 951 transitions. [2020-10-13 06:13:21,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:13:21,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2020-10-13 06:13:21,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:21,779 INFO L225 Difference]: With dead ends: 724 [2020-10-13 06:13:21,779 INFO L226 Difference]: Without dead ends: 323 [2020-10-13 06:13:21,781 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 06:13:21,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-13 06:13:21,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 318. [2020-10-13 06:13:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:13:21,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 395 transitions. [2020-10-13 06:13:21,807 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 395 transitions. Word has length 166 [2020-10-13 06:13:21,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:21,807 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 395 transitions. [2020-10-13 06:13:21,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:13:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 395 transitions. [2020-10-13 06:13:21,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-13 06:13:21,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:21,812 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] [2020-10-13 06:13:21,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 06:13:21,812 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:21,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:21,813 INFO L82 PathProgramCache]: Analyzing trace with hash -744787271, now seen corresponding path program 1 times [2020-10-13 06:13:21,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:21,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267775065] [2020-10-13 06:13:21,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:21,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:21,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:22,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:23,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:23,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-13 06:13:23,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:23,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1491 [2020-10-13 06:13:23,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:23,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:23,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 06:13:23,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 06:13:23,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:23,767 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-13 06:13:23,900 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-10-13 06:13:24,029 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2020-10-13 06:13:24,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:24,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:24,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:24,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:24,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:24,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:24,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:24,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:24,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:24,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:24,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:24,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:24,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:24,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:24,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:24,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:24,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 06:13:24,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:24,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:24,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 06:13:24,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-13 06:13:24,763 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 06:13:24,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267775065] [2020-10-13 06:13:24,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:24,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:24,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892057155] [2020-10-13 06:13:24,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:24,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:24,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:24,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:24,767 INFO L87 Difference]: Start difference. First operand 318 states and 395 transitions. Second operand 12 states. [2020-10-13 06:13:25,121 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-13 06:13:26,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:26,864 INFO L93 Difference]: Finished difference Result 723 states and 948 transitions. [2020-10-13 06:13:26,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:13:26,865 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 165 [2020-10-13 06:13:26,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:26,868 INFO L225 Difference]: With dead ends: 723 [2020-10-13 06:13:26,868 INFO L226 Difference]: Without dead ends: 401 [2020-10-13 06:13:26,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-13 06:13:26,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-13 06:13:26,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 394. [2020-10-13 06:13:26,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:13:26,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 475 transitions. [2020-10-13 06:13:26,885 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 475 transitions. Word has length 165 [2020-10-13 06:13:26,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:26,886 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 475 transitions. [2020-10-13 06:13:26,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:26,886 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 475 transitions. [2020-10-13 06:13:26,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-13 06:13:26,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:26,889 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] [2020-10-13 06:13:26,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 06:13:26,889 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:26,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:26,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1281739710, now seen corresponding path program 1 times [2020-10-13 06:13:26,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:26,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19423191] [2020-10-13 06:13:26,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:26,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:27,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:27,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:27,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:28,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:28,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 06:13:28,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:13:28,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1304 [2020-10-13 06:13:28,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:28,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 06:13:28,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 06:13:28,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:28,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:28,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:28,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:28,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:28,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:28,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:28,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:28,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:28,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:28,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:28,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:28,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:28,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:28,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:28,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:13:28,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:28,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:28,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:28,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:13:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:28,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:28,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:28,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:13:28,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:28,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:13:28,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 06:13:28,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:28,570 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 06:13:28,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19423191] [2020-10-13 06:13:28,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:28,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:13:28,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185106908] [2020-10-13 06:13:28,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:13:28,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:28,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:13:28,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:13:28,574 INFO L87 Difference]: Start difference. First operand 394 states and 475 transitions. Second operand 5 states. [2020-10-13 06:13:29,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:29,684 INFO L93 Difference]: Finished difference Result 874 states and 1106 transitions. [2020-10-13 06:13:29,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:13:29,685 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2020-10-13 06:13:29,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:29,687 INFO L225 Difference]: With dead ends: 874 [2020-10-13 06:13:29,687 INFO L226 Difference]: Without dead ends: 399 [2020-10-13 06:13:29,689 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 06:13:29,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-10-13 06:13:29,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 394. [2020-10-13 06:13:29,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:13:29,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 472 transitions. [2020-10-13 06:13:29,710 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 472 transitions. Word has length 173 [2020-10-13 06:13:29,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:29,710 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 472 transitions. [2020-10-13 06:13:29,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:13:29,711 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 472 transitions. [2020-10-13 06:13:29,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-13 06:13:29,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:29,714 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] [2020-10-13 06:13:29,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 06:13:29,714 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:29,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:29,715 INFO L82 PathProgramCache]: Analyzing trace with hash -918876253, now seen corresponding path program 1 times [2020-10-13 06:13:29,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:29,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1777488283] [2020-10-13 06:13:29,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:29,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:29,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:30,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:31,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:31,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-13 06:13:31,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:31,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1625 [2020-10-13 06:13:31,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:31,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:31,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 06:13:31,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 06:13:31,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:31,761 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-10-13 06:13:31,889 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-10-13 06:13:32,060 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 47 [2020-10-13 06:13:32,267 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 48 [2020-10-13 06:13:32,468 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 44 [2020-10-13 06:13:32,660 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 40 [2020-10-13 06:13:32,826 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-10-13 06:13:32,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:32,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:32,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:32,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:32,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:32,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:32,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:32,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:32,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:32,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:33,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:33,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:13:33,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:33,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 06:13:33,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:33,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 06:13:33,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:33,482 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 06:13:33,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1777488283] [2020-10-13 06:13:33,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:33,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:33,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643391770] [2020-10-13 06:13:33,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:33,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:33,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:33,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:33,485 INFO L87 Difference]: Start difference. First operand 394 states and 472 transitions. Second operand 12 states. [2020-10-13 06:13:33,907 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-13 06:13:34,052 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 06:13:34,681 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-10-13 06:13:34,932 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-10-13 06:13:35,619 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-13 06:13:36,289 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2020-10-13 06:13:36,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:36,616 INFO L93 Difference]: Finished difference Result 886 states and 1110 transitions. [2020-10-13 06:13:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:13:36,621 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 182 [2020-10-13 06:13:36,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:36,624 INFO L225 Difference]: With dead ends: 886 [2020-10-13 06:13:36,625 INFO L226 Difference]: Without dead ends: 498 [2020-10-13 06:13:36,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:13:36,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-10-13 06:13:36,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 477. [2020-10-13 06:13:36,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-13 06:13:36,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 561 transitions. [2020-10-13 06:13:36,645 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 561 transitions. Word has length 182 [2020-10-13 06:13:36,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:36,645 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 561 transitions. [2020-10-13 06:13:36,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:36,645 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 561 transitions. [2020-10-13 06:13:36,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-13 06:13:36,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:36,649 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] [2020-10-13 06:13:36,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 06:13:36,649 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:36,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:36,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1503847311, now seen corresponding path program 1 times [2020-10-13 06:13:36,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:36,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535012487] [2020-10-13 06:13:36,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:36,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:36,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:36,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:38,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:38,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-13 06:13:38,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:38,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1578 [2020-10-13 06:13:38,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-13 06:13:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 06:13:38,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:38,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:38,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:38,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:38,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:38,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:38,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:38,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:38,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:38,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:38,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:38,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:38,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:38,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:38,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:38,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:13:38,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:38,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 06:13:38,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:38,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:38,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:38,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 06:13:38,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:38,768 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 06:13:38,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [535012487] [2020-10-13 06:13:38,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:38,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:38,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758758678] [2020-10-13 06:13:38,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:38,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:38,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:38,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:38,770 INFO L87 Difference]: Start difference. First operand 477 states and 561 transitions. Second operand 12 states. [2020-10-13 06:13:40,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:40,542 INFO L93 Difference]: Finished difference Result 1040 states and 1272 transitions. [2020-10-13 06:13:40,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:13:40,543 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 188 [2020-10-13 06:13:40,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:40,547 INFO L225 Difference]: With dead ends: 1040 [2020-10-13 06:13:40,548 INFO L226 Difference]: Without dead ends: 569 [2020-10-13 06:13:40,550 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 06:13:40,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-10-13 06:13:40,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 556. [2020-10-13 06:13:40,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-13 06:13:40,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 645 transitions. [2020-10-13 06:13:40,576 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 645 transitions. Word has length 188 [2020-10-13 06:13:40,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:40,577 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 645 transitions. [2020-10-13 06:13:40,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:40,577 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 645 transitions. [2020-10-13 06:13:40,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-13 06:13:40,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:40,581 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] [2020-10-13 06:13:40,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 06:13:40,581 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:40,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:40,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1018893051, now seen corresponding path program 1 times [2020-10-13 06:13:40,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:40,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749374211] [2020-10-13 06:13:40,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:40,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:40,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:40,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:40,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:42,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:42,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-13 06:13:42,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:13:42,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1463 [2020-10-13 06:13:42,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:42,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:42,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 06:13:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 06:13:42,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:42,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:42,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:42,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:42,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:42,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:42,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:42,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:42,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:42,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:42,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:42,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:42,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:42,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:42,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:42,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:13:42,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:42,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:13:42,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:42,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:42,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:42,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:42,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:42,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:13:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:42,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:42,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:42,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 06:13:42,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:42,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 06:13:42,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:42,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:42,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:42,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 06:13:42,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:42,363 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 06:13:42,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [749374211] [2020-10-13 06:13:42,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:42,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:13:42,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147602322] [2020-10-13 06:13:42,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:13:42,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:42,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:13:42,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:13:42,365 INFO L87 Difference]: Start difference. First operand 556 states and 645 transitions. Second operand 5 states. [2020-10-13 06:13:43,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:43,364 INFO L93 Difference]: Finished difference Result 1203 states and 1454 transitions. [2020-10-13 06:13:43,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:13:43,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 213 [2020-10-13 06:13:43,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:43,368 INFO L225 Difference]: With dead ends: 1203 [2020-10-13 06:13:43,369 INFO L226 Difference]: Without dead ends: 464 [2020-10-13 06:13:43,370 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 06:13:43,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-13 06:13:43,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 457. [2020-10-13 06:13:43,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-10-13 06:13:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 533 transitions. [2020-10-13 06:13:43,385 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 533 transitions. Word has length 213 [2020-10-13 06:13:43,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:43,386 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 533 transitions. [2020-10-13 06:13:43,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:13:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 533 transitions. [2020-10-13 06:13:43,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-13 06:13:43,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:43,389 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] [2020-10-13 06:13:43,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 06:13:43,390 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:43,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:43,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1853567149, now seen corresponding path program 1 times [2020-10-13 06:13:43,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:43,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817027726] [2020-10-13 06:13:43,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:43,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:43,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:43,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:43,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:45,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:45,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-13 06:13:45,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:13:45,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1930 [2020-10-13 06:13:45,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:45,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:45,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 06:13:45,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 06:13:45,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:45,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:45,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:45,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:45,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:45,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:45,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:45,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:45,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:45,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:45,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:45,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:45,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:45,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:45,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:45,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:13:45,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:45,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:13:45,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:45,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:45,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:45,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:45,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:45,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:13:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:45,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:45,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:45,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:13:45,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:45,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 06:13:45,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:45,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:45,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:45,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 06:13:45,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:46,055 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 06:13:46,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [817027726] [2020-10-13 06:13:46,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:46,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:13:46,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006095888] [2020-10-13 06:13:46,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:13:46,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:46,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:13:46,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:13:46,057 INFO L87 Difference]: Start difference. First operand 457 states and 533 transitions. Second operand 13 states. [2020-10-13 06:13:46,522 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-10-13 06:13:46,681 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-10-13 06:13:46,946 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-10-13 06:13:47,165 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-10-13 06:13:47,584 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-13 06:13:47,776 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-10-13 06:13:49,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:49,239 INFO L93 Difference]: Finished difference Result 1078 states and 1346 transitions. [2020-10-13 06:13:49,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 06:13:49,240 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 224 [2020-10-13 06:13:49,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:49,245 INFO L225 Difference]: With dead ends: 1078 [2020-10-13 06:13:49,245 INFO L226 Difference]: Without dead ends: 627 [2020-10-13 06:13:49,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=260, Invalid=610, Unknown=0, NotChecked=0, Total=870 [2020-10-13 06:13:49,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-10-13 06:13:49,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 534. [2020-10-13 06:13:49,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-13 06:13:49,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 612 transitions. [2020-10-13 06:13:49,266 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 612 transitions. Word has length 224 [2020-10-13 06:13:49,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:49,266 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 612 transitions. [2020-10-13 06:13:49,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:13:49,267 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 612 transitions. [2020-10-13 06:13:49,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-13 06:13:49,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:49,271 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] [2020-10-13 06:13:49,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 06:13:49,271 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:49,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:49,272 INFO L82 PathProgramCache]: Analyzing trace with hash 26987809, now seen corresponding path program 1 times [2020-10-13 06:13:49,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:49,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479602936] [2020-10-13 06:13:49,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:49,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:49,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:49,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:49,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-13 06:13:49,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:13:49,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-10-13 06:13:49,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-13 06:13:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-13 06:13:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:49,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:49,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:49,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:49,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:49,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:49,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:49,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:49,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:49,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:49,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:49,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:49,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:49,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:49,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:49,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:49,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:13:49,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:49,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:49,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:49,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:49,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:49,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:13:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:49,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:49,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:49,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 06:13:49,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:49,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 06:13:49,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:49,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:49,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:49,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 06:13:49,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:50,086 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 06:13:50,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479602936] [2020-10-13 06:13:50,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:50,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 06:13:50,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847423925] [2020-10-13 06:13:50,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 06:13:50,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:50,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 06:13:50,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:13:50,089 INFO L87 Difference]: Start difference. First operand 534 states and 612 transitions. Second operand 6 states. [2020-10-13 06:13:51,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:51,602 INFO L93 Difference]: Finished difference Result 1245 states and 1526 transitions. [2020-10-13 06:13:51,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 06:13:51,607 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 237 [2020-10-13 06:13:51,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:51,611 INFO L225 Difference]: With dead ends: 1245 [2020-10-13 06:13:51,612 INFO L226 Difference]: Without dead ends: 465 [2020-10-13 06:13:51,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-13 06:13:51,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-10-13 06:13:51,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 458. [2020-10-13 06:13:51,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-13 06:13:51,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 529 transitions. [2020-10-13 06:13:51,655 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 529 transitions. Word has length 237 [2020-10-13 06:13:51,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:51,656 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 529 transitions. [2020-10-13 06:13:51,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 06:13:51,656 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 529 transitions. [2020-10-13 06:13:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-13 06:13:51,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:51,659 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] [2020-10-13 06:13:51,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 06:13:51,659 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:51,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:51,660 INFO L82 PathProgramCache]: Analyzing trace with hash -904805586, now seen corresponding path program 1 times [2020-10-13 06:13:51,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:51,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764580048] [2020-10-13 06:13:51,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:51,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:51,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:51,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:52,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:52,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:52,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:52,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:53,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:54,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:56,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:56,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-13 06:13:56,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 06:13:56,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 06:13:56,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:56,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:13:56,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-13 06:13:56,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 06:13:56,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:57,046 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2020-10-13 06:13:57,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:57,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:57,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:57,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:57,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:57,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:13:57,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:57,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:57,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:57,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:57,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:57,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:57,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:57,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:57,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:13:57,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:57,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:13:57,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:57,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:57,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:57,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:57,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:57,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:13:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:57,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:57,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:57,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:13:57,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:57,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 06:13:57,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:57,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:57,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:57,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:57,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 06:13:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:57,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:57,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:57,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 06:13:57,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:57,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 06:13:57,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:13:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 06:13:57,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:57,682 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 06:13:57,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764580048] [2020-10-13 06:13:57,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:57,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:13:57,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456838846] [2020-10-13 06:13:57,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:13:57,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:57,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:13:57,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:13:57,684 INFO L87 Difference]: Start difference. First operand 458 states and 529 transitions. Second operand 13 states. [2020-10-13 06:13:58,115 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-13 06:14:00,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:00,531 INFO L93 Difference]: Finished difference Result 1152 states and 1415 transitions. [2020-10-13 06:14:00,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:14:00,532 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 244 [2020-10-13 06:14:00,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:00,536 INFO L225 Difference]: With dead ends: 1152 [2020-10-13 06:14:00,536 INFO L226 Difference]: Without dead ends: 464 [2020-10-13 06:14:00,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=159, Invalid=303, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:14:00,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-13 06:14:00,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 461. [2020-10-13 06:14:00,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-13 06:14:00,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 535 transitions. [2020-10-13 06:14:00,552 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 535 transitions. Word has length 244 [2020-10-13 06:14:00,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:00,553 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 535 transitions. [2020-10-13 06:14:00,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:14:00,553 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 535 transitions. [2020-10-13 06:14:00,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-13 06:14:00,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:00,556 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] [2020-10-13 06:14:00,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 06:14:00,556 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:00,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:00,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1947860951, now seen corresponding path program 1 times [2020-10-13 06:14:00,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:00,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272001331] [2020-10-13 06:14:00,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:00,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:00,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:00,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:01,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:02,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:02,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-13 06:14:02,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:14:02,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1866 [2020-10-13 06:14:02,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:02,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:14:02,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 06:14:02,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 06:14:02,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:02,766 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2020-10-13 06:14:02,891 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-10-13 06:14:03,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:03,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:03,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:03,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:03,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:03,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 06:14:03,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:03,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:03,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:03,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:03,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:03,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:03,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:03,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:03,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:03,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:03,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:14:03,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:03,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:03,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:03,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:03,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:03,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:03,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:03,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:03,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 06:14:03,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:03,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:03,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:03,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 06:14:03,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:03,369 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 06:14:03,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272001331] [2020-10-13 06:14:03,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:03,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:14:03,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321935791] [2020-10-13 06:14:03,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:14:03,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:03,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:14:03,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:14:03,372 INFO L87 Difference]: Start difference. First operand 461 states and 535 transitions. Second operand 12 states. [2020-10-13 06:14:04,015 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-13 06:14:04,284 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2020-10-13 06:14:04,532 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2020-10-13 06:14:04,796 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2020-10-13 06:14:05,022 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 86 [2020-10-13 06:14:05,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:05,498 INFO L93 Difference]: Finished difference Result 985 states and 1169 transitions. [2020-10-13 06:14:05,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:14:05,504 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 259 [2020-10-13 06:14:05,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:05,507 INFO L225 Difference]: With dead ends: 985 [2020-10-13 06:14:05,507 INFO L226 Difference]: Without dead ends: 530 [2020-10-13 06:14:05,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:14:05,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-10-13 06:14:05,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 496. [2020-10-13 06:14:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-10-13 06:14:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 576 transitions. [2020-10-13 06:14:05,532 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 576 transitions. Word has length 259 [2020-10-13 06:14:05,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:05,532 INFO L479 AbstractCegarLoop]: Abstraction has 496 states and 576 transitions. [2020-10-13 06:14:05,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:14:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 576 transitions. [2020-10-13 06:14:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-13 06:14:05,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:05,535 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] [2020-10-13 06:14:05,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 06:14:05,535 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:05,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:05,536 INFO L82 PathProgramCache]: Analyzing trace with hash -782525190, now seen corresponding path program 1 times [2020-10-13 06:14:05,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:05,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [620915548] [2020-10-13 06:14:05,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:05,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:05,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:05,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:05,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-13 06:14:05,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:14:05,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-10-13 06:14:05,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:05,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:05,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-13 06:14:05,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-13 06:14:05,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:06,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:06,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:06,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:06,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:06,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:06,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:14:06,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:06,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:06,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:06,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:06,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:06,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:06,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:06,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:06,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:06,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:06,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 06:14:06,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:06,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:06,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:06,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:06,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:06,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:06,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:06,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:06,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:06,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 06:14:06,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:06,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:06,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:06,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:06,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:06,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:06,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:06,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:06,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 06:14:06,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:06,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 06:14:06,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:06,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:06,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:06,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 06:14:06,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:06,797 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 06:14:06,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [620915548] [2020-10-13 06:14:06,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:06,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:14:06,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177518163] [2020-10-13 06:14:06,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:14:06,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:06,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:14:06,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:14:06,801 INFO L87 Difference]: Start difference. First operand 496 states and 576 transitions. Second operand 5 states. [2020-10-13 06:14:07,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:07,818 INFO L93 Difference]: Finished difference Result 1072 states and 1284 transitions. [2020-10-13 06:14:07,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:14:07,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 273 [2020-10-13 06:14:07,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:07,822 INFO L225 Difference]: With dead ends: 1072 [2020-10-13 06:14:07,822 INFO L226 Difference]: Without dead ends: 499 [2020-10-13 06:14:07,824 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 06:14:07,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-10-13 06:14:07,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 496. [2020-10-13 06:14:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-10-13 06:14:07,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 571 transitions. [2020-10-13 06:14:07,839 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 571 transitions. Word has length 273 [2020-10-13 06:14:07,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:07,839 INFO L479 AbstractCegarLoop]: Abstraction has 496 states and 571 transitions. [2020-10-13 06:14:07,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:14:07,840 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 571 transitions. [2020-10-13 06:14:07,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-10-13 06:14:07,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:07,842 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] [2020-10-13 06:14:07,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 06:14:07,843 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:07,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:07,843 INFO L82 PathProgramCache]: Analyzing trace with hash -568243378, now seen corresponding path program 1 times [2020-10-13 06:14:07,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:07,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282433514] [2020-10-13 06:14:07,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:07,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:08,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:08,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:08,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:08,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:09,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:09,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:10,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:10,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:11,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:11,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-13 06:14:11,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 06:14:11,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3846 [2020-10-13 06:14:11,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:11,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:14:11,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-13 06:14:11,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-13 06:14:11,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:12,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:12,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:12,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:12,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:12,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:12,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:14:12,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:12,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:12,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:12,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:12,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:12,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:12,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:12,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:12,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:12,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:12,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 06:14:12,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:12,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:12,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:12,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:12,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:12,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:12,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:12,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 06:14:12,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:12,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:12,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:12,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:12,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:12,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 06:14:12,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:12,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 06:14:12,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:12,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:14:12,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:12,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 06:14:12,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:12,840 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 06:14:12,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282433514] [2020-10-13 06:14:12,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:12,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 06:14:12,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235113528] [2020-10-13 06:14:12,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 06:14:12,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:12,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 06:14:12,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-13 06:14:12,846 INFO L87 Difference]: Start difference. First operand 496 states and 571 transitions. Second operand 14 states. [2020-10-13 06:14:13,450 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-10-13 06:14:13,619 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-10-13 06:14:13,852 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-10-13 06:14:14,049 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-10-13 06:14:14,422 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-13 06:14:14,800 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-10-13 06:14:15,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:15,576 INFO L93 Difference]: Finished difference Result 1367 states and 1643 transitions. [2020-10-13 06:14:15,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:14:15,579 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 280 [2020-10-13 06:14:15,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:15,586 INFO L225 Difference]: With dead ends: 1367 [2020-10-13 06:14:15,586 INFO L226 Difference]: Without dead ends: 877 [2020-10-13 06:14:15,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2020-10-13 06:14:15,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2020-10-13 06:14:15,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 869. [2020-10-13 06:14:15,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-10-13 06:14:15,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 988 transitions. [2020-10-13 06:14:15,629 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 988 transitions. Word has length 280 [2020-10-13 06:14:15,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:15,630 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 988 transitions. [2020-10-13 06:14:15,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 06:14:15,630 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 988 transitions. [2020-10-13 06:14:15,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-10-13 06:14:15,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:15,634 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] [2020-10-13 06:14:15,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 06:14:15,634 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:15,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:15,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1805761383, now seen corresponding path program 1 times [2020-10-13 06:14:15,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:15,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1485192018] [2020-10-13 06:14:15,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:15,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:15,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:16,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:16,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-10-13 06:14:16,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:14:16,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-10-13 06:14:16,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-13 06:14:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 06:14:16,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:16,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:16,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:16,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:16,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:16,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:14:16,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:16,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:16,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:16,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:16,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:16,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:16,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:14:16,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:16,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:16,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:16,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:16,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:16,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:16,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:16,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:14:16,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:16,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:16,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:16,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:16,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:16,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:16,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:16,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 06:14:16,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:16,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:14:16,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 06:14:16,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:16,387 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 06:14:16,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1485192018] [2020-10-13 06:14:16,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:16,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:14:16,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761281526] [2020-10-13 06:14:16,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:14:16,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:16,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:14:16,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:14:16,389 INFO L87 Difference]: Start difference. First operand 869 states and 988 transitions. Second operand 5 states. [2020-10-13 06:14:17,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:17,342 INFO L93 Difference]: Finished difference Result 1823 states and 2118 transitions. [2020-10-13 06:14:17,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:14:17,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 285 [2020-10-13 06:14:17,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:17,353 INFO L225 Difference]: With dead ends: 1823 [2020-10-13 06:14:17,353 INFO L226 Difference]: Without dead ends: 874 [2020-10-13 06:14:17,357 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 06:14:17,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-10-13 06:14:17,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 869. [2020-10-13 06:14:17,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-10-13 06:14:17,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 973 transitions. [2020-10-13 06:14:17,396 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 973 transitions. Word has length 285 [2020-10-13 06:14:17,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:17,397 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 973 transitions. [2020-10-13 06:14:17,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:14:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 973 transitions. [2020-10-13 06:14:17,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-10-13 06:14:17,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:17,401 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] [2020-10-13 06:14:17,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 06:14:17,402 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:17,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:17,402 INFO L82 PathProgramCache]: Analyzing trace with hash -506133877, now seen corresponding path program 1 times [2020-10-13 06:14:17,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:17,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2024439926] [2020-10-13 06:14:17,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:17,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:17,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:18,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:18,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-13 06:14:18,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:14:18,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 541 [2020-10-13 06:14:18,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:18,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:18,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-13 06:14:18,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 06:14:18,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:18,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:18,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:18,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:18,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:18,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:18,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:14:18,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:18,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:18,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:18,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:18,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:18,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:18,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:18,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:18,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:18,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:14:18,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:18,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:18,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:18,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:18,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:18,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:18,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:18,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:18,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:18,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:18,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 06:14:18,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:18,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:18,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:18,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:18,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:18,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:18,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:18,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:18,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 06:14:18,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:18,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 06:14:18,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:18,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:18,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:18,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 06:14:18,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:18,612 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 06:14:18,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2024439926] [2020-10-13 06:14:18,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:18,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:14:18,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681849593] [2020-10-13 06:14:18,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:14:18,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:18,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:14:18,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:14:18,614 INFO L87 Difference]: Start difference. First operand 869 states and 973 transitions. Second operand 5 states. [2020-10-13 06:14:19,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:19,560 INFO L93 Difference]: Finished difference Result 1821 states and 2080 transitions. [2020-10-13 06:14:19,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:14:19,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 290 [2020-10-13 06:14:19,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:19,573 INFO L225 Difference]: With dead ends: 1821 [2020-10-13 06:14:19,573 INFO L226 Difference]: Without dead ends: 874 [2020-10-13 06:14:19,576 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 06:14:19,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-10-13 06:14:19,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 869. [2020-10-13 06:14:19,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-10-13 06:14:19,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 960 transitions. [2020-10-13 06:14:19,596 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 960 transitions. Word has length 290 [2020-10-13 06:14:19,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:19,597 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 960 transitions. [2020-10-13 06:14:19,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:14:19,597 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 960 transitions. [2020-10-13 06:14:19,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-10-13 06:14:19,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:19,601 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] [2020-10-13 06:14:19,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 06:14:19,602 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:19,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:19,602 INFO L82 PathProgramCache]: Analyzing trace with hash 117557556, now seen corresponding path program 1 times [2020-10-13 06:14:19,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:19,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [223575589] [2020-10-13 06:14:19,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:19,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:19,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:20,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:20,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:20,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:20,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:21,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:22,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:22,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-10-13 06:14:22,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 06:14:22,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3171 [2020-10-13 06:14:22,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-10-13 06:14:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:14:22,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:22,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:22,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:22,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:22,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:22,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:22,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:14:22,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:22,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:22,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:22,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:22,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:22,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:22,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:22,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:22,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:22,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:22,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 06:14:22,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:22,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:22,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:22,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:22,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:22,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:22,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:22,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:22,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:22,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:22,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:14:22,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:22,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:22,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:22,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:22,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:22,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 06:14:22,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:22,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:14:22,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:22,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:22,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:22,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 06:14:22,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:22,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 06:14:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:22,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:23,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:23,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 06:14:23,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:23,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 06:14:23,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:23,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:23,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 06:14:23,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:14:23,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:23,159 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 06:14:23,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [223575589] [2020-10-13 06:14:23,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:23,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 06:14:23,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46125362] [2020-10-13 06:14:23,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 06:14:23,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:23,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 06:14:23,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 06:14:23,161 INFO L87 Difference]: Start difference. First operand 869 states and 960 transitions. Second operand 7 states. [2020-10-13 06:14:23,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:23,894 INFO L93 Difference]: Finished difference Result 1262 states and 1374 transitions. [2020-10-13 06:14:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 06:14:23,895 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 345 [2020-10-13 06:14:23,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:23,896 INFO L225 Difference]: With dead ends: 1262 [2020-10-13 06:14:23,896 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 06:14:23,899 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 06:14:23,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 06:14:23,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 06:14:23,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 06:14:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 06:14:23,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 345 [2020-10-13 06:14:23,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:23,900 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 06:14:23,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 06:14:23,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 06:14:23,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 06:14:23,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 06:14:23,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 06:14:25,151 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 199 DAG size of output: 171 [2020-10-13 06:14:25,890 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 181 [2020-10-13 06:14:28,247 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 263 DAG size of output: 189 [2020-10-13 06:14:28,844 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 91 [2020-10-13 06:14:29,666 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 119 [2020-10-13 06:14:29,672 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:14:29,673 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 06:14:29,673 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:14:29,673 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,674 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,674 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,674 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,674 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,674 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-13 06:14:29,675 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-13 06:14:29,675 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-13 06:14:29,675 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-13 06:14:29,675 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-13 06:14:29,675 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-13 06:14:29,675 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-13 06:14:29,675 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-13 06:14:29,675 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-13 06:14:29,675 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-13 06:14:29,675 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:14:29,675 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:14:29,676 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-13 06:14:29,676 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,676 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,676 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,676 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,676 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-13 06:14:29,676 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,676 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-13 06:14:29,676 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-13 06:14:29,676 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-13 06:14:29,676 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-13 06:14:29,676 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-13 06:14:29,676 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-13 06:14:29,676 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-13 06:14:29,677 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:14:29,677 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:14:29,677 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-13 06:14:29,677 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-13 06:14:29,677 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-13 06:14:29,677 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:14:29,677 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:14:29,677 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-13 06:14:29,677 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,677 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,678 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,678 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,678 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,678 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2020-10-13 06:14:29,678 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:14:29,678 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-13 06:14:29,678 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:14:29,678 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-13 06:14:29,678 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-13 06:14:29,679 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-13 06:14:29,679 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-13 06:14:29,679 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-13 06:14:29,679 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-13 06:14:29,679 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-13 06:14:29,679 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-13 06:14:29,679 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,679 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,679 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,680 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,680 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,680 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-13 06:14:29,680 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-13 06:14:29,680 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-13 06:14:29,680 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-13 06:14:29,680 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-13 06:14:29,680 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-13 06:14:29,680 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-13 06:14:29,680 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-13 06:14:29,680 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-13 06:14:29,680 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-13 06:14:29,680 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-13 06:14:29,680 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-13 06:14:29,681 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-13 06:14:29,681 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,681 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,681 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,681 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,681 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,681 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-13 06:14:29,681 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-13 06:14:29,682 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-13 06:14:29,682 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-13 06:14:29,682 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-13 06:14:29,682 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-13 06:14:29,682 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-13 06:14:29,682 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-13 06:14:29,682 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-13 06:14:29,682 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-13 06:14:29,682 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-13 06:14:29,683 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-13 06:14:29,683 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-13 06:14:29,683 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:14:29,683 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-13 06:14:29,683 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:14:29,683 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,683 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,683 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,683 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,683 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-13 06:14:29,684 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,684 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:14:29,684 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,684 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:14:29,684 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:14:29,684 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:14:29,684 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,684 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,685 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-13 06:14:29,685 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-13 06:14:29,685 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-13 06:14:29,685 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-13 06:14:29,685 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-13 06:14:29,685 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-13 06:14:29,685 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-13 06:14:29,685 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-13 06:14:29,685 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-13 06:14:29,685 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-13 06:14:29,686 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-13 06:14:29,686 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,686 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,686 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,686 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,686 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,686 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,686 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-13 06:14:29,686 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-13 06:14:29,686 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-13 06:14:29,687 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-13 06:14:29,687 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-13 06:14:29,687 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-13 06:14:29,687 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-13 06:14:29,687 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-13 06:14:29,687 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-13 06:14:29,687 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-13 06:14:29,687 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-13 06:14:29,687 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,687 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,688 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,688 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,688 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,688 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,688 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-13 06:14:29,688 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-13 06:14:29,688 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-13 06:14:29,688 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-13 06:14:29,688 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-13 06:14:29,688 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-13 06:14:29,688 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-13 06:14:29,689 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-13 06:14:29,689 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-13 06:14:29,689 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-13 06:14:29,689 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-13 06:14:29,689 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-13 06:14:29,689 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-13 06:14:29,689 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-13 06:14:29,689 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,689 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,689 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,690 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse27 (= |old(~a11~0)| 1)) (.cse29 (= |old(~a19~0)| 1))) (let ((.cse17 (not (<= |old(~a11~0)| 1))) (.cse18 (not (<= 8 |old(~a17~0)|))) (.cse20 (= ~a17~0 |old(~a17~0)|)) (.cse21 (<= 1 ~a11~0)) (.cse22 (<= ~a11~0 1)) (.cse19 (not (<= 1 |old(~a11~0)|))) (.cse3 (not (<= |old(~a25~0)| 0))) (.cse16 (not (<= |old(~a17~0)| 8))) (.cse28 (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))))) (.cse10 (not (<= |old(~a11~0)| 0))) (.cse13 (= ~a28~0 9)) (.cse12 (not (= 9 |old(~a28~0)|))) (.cse0 (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)))) (.cse6 (= ~a25~0 |old(~a25~0)|)) (.cse25 (not (<= |old(~a19~0)| 1))) (.cse7 (= ~a17~0 8)) (.cse26 (not (<= 1 |old(~a19~0)|))) (.cse2 (not (= 8 |old(~a17~0)|))) (.cse30 (not (= 10 |old(~a28~0)|))) (.cse11 (not (= 0 |old(~a25~0)|))) (.cse31 (= ~a28~0 10)) (.cse33 (= 7 ~a17~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= 7 ~a28~0)) (.cse24 (= ~a25~0 1)) (.cse14 (= ~a19~0 |old(~a19~0)|)) (.cse23 (not (= |old(~a25~0)| 1))) (.cse32 (not (= 7 |old(~a17~0)|))) (.cse1 (not .cse29)) (.cse4 (not (= ~a21~0 1))) (.cse9 (not (= 7 |old(~a28~0)|))) (.cse15 (not .cse27))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 (= ~a19~0 1) .cse6 .cse7 .cse8) .cse9 .cse10) (or .cse1 .cse2 .cse11 .cse12 .cse4 (and .cse5 .cse6 .cse7 .cse13 .cse14) .cse15) (or (not (<= |old(~a28~0)| 7)) .cse16 (and (not (< 1 |old(~a19~0)|)) (not (<= |old(~a19~0)| 0))) .cse17 .cse18 (not (<= 7 |old(~a28~0)|)) .cse3 .cse4 .cse19 (and .cse20 .cse21 (<= 7 ~a28~0) .cse6 .cse22 (<= ~a28~0 7) .cse14)) (or .cse23 .cse1 .cse2 .cse12 .cse4 (and .cse5 .cse7 .cse24 .cse13 .cse14)) (or (not (<= |old(~a25~0)| 1)) .cse25 .cse16 .cse17 (not (<= |old(~a28~0)| 10)) .cse18 .cse26 (and .cse20 .cse21 (<= 10 ~a28~0) (<= 1 ~a25~0) .cse22 (<= ~a25~0 1) (<= ~a28~0 10) .cse14) (not (<= 10 |old(~a28~0)|)) .cse4 .cse19 (not (<= 1 |old(~a25~0)|))) (or (not (= 0 |old(~a19~0)|)) .cse2 .cse27 (and (= ~a19~0 0) .cse5 .cse6 .cse7 .cse8) .cse4 .cse28 .cse9) (or .cse0 (and .cse5 .cse6 .cse7 (= ~a28~0 8) .cse14) .cse29 .cse2 .cse3 .cse27 .cse4 (not (= 8 |old(~a28~0)|))) (or .cse25 .cse16 (not (< 8 |old(~a28~0)|)) .cse26 (not (<= |old(~a28~0)| 9)) .cse4 .cse28 (and .cse5 .cse6 (<= ~a28~0 9) (<= ~a17~0 8) (< 7 ~a17~0) .cse14 (< 8 ~a28~0)) (and (not (<= 2 |old(~a11~0)|)) .cse10) (not (< 7 |old(~a17~0)|))) (or .cse0 .cse23 .cse30 .cse2 .cse27 (and .cse5 .cse7 .cse24 .cse14 .cse31) .cse4) (or .cse29 .cse23 .cse32 (and .cse33 .cse5 .cse24 .cse13 .cse14) .cse12 .cse4 (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse0 .cse30 .cse1 .cse2 .cse27 .cse4 (and .cse5 .cse6 .cse7 .cse14 .cse31)) (or .cse25 .cse23 (and (= ~a28~0 |old(~a28~0)|) .cse5 .cse7 .cse24 .cse14) .cse26 .cse2 .cse27 .cse4) (or .cse30 .cse32 (not (= |old(~a19~0)| |old(~a25~0)|)) .cse11 .cse4 (and .cse33 .cse5 (= ~a25~0 ~a19~0) .cse14 .cse31) .cse15) (or (and .cse33 .cse5 .cse8 .cse24 .cse14) .cse23 .cse32 .cse1 .cse4 .cse9 .cse15)))) [2020-10-13 06:14:29,691 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,691 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,691 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,691 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-13 06:14:29,691 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-13 06:14:29,691 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-13 06:14:29,691 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-13 06:14:29,691 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-13 06:14:29,691 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-13 06:14:29,691 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-13 06:14:29,692 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-13 06:14:29,692 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-13 06:14:29,692 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-13 06:14:29,692 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-13 06:14:29,692 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-13 06:14:29,692 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-13 06:14:29,692 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,692 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,692 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,692 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,693 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,693 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,693 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-13 06:14:29,693 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-13 06:14:29,693 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-13 06:14:29,693 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-13 06:14:29,693 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-13 06:14:29,693 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-13 06:14:29,694 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-13 06:14:29,694 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-13 06:14:29,694 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-13 06:14:29,694 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-13 06:14:29,694 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-13 06:14:29,694 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:14:29,694 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:14:29,694 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-13 06:14:29,694 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-13 06:14:29,694 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-13 06:14:29,695 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,695 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,695 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,695 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,695 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:29,695 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-13 06:14:29,695 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-13 06:14:29,695 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-13 06:14:29,695 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-13 06:14:29,695 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-13 06:14:29,696 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-13 06:14:29,696 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-13 06:14:29,696 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-13 06:14:29,696 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-13 06:14:29,696 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-13 06:14:29,696 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-13 06:14:29,696 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:14:29,696 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-13 06:14:29,696 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:14:29,696 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-13 06:14:29,696 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:14:29,697 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:14:29,697 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-13 06:14:29,697 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-13 06:14:29,697 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:14:29,697 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a21~0 1) (<= 7 ~a28~0) (<= 8 ~a17~0) (<= ~a19~0 1) (<= ~a28~0 7) (<= ~a17~0 8) (<= ~a25~0 0) (<= 1 ~a19~0)) [2020-10-13 06:14:29,697 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 06:14:29,697 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:14:29,697 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a19~0)| 1)) (not (<= |old(~a17~0)| 8)) (and (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (<= 7 ~a28~0) (= ~a25~0 |old(~a25~0)|) (<= ~a28~0 7) (= ~a19~0 |old(~a19~0)|)) (not (<= 8 |old(~a17~0)|)) (not (<= 1 |old(~a19~0)|)) (not (<= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0))) [2020-10-13 06:14:29,698 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse9 (= ~a19~0 1)) (.cse12 (= ~a11~0 1))) (let ((.cse3 (<= ~a25~0 0)) (.cse4 (<= 7 ~a28~0)) (.cse6 (<= ~a28~0 7)) (.cse13 (= ~a19~0 |old(~a19~0)|)) (.cse10 (= 7 ~a28~0)) (.cse2 (not .cse12)) (.cse17 (= ~a25~0 0)) (.cse16 (= ~a28~0 10)) (.cse0 (= ~a17~0 8)) (.cse8 (= 7 ~a17~0)) (.cse1 (not .cse9)) (.cse11 (= ~a25~0 1)) (.cse18 (= ~a28~0 9)) (.cse5 (<= 8 ~a17~0)) (.cse14 (<= ~a19~0 1)) (.cse7 (<= ~a17~0 8)) (.cse15 (<= 1 ~a19~0))) (or (and .cse0 .cse1 .cse2 (= ~a28~0 8) .cse3) (and (<= 1 ~a11~0) .cse4 (<= ~a11~0 1) .cse5 .cse6 .cse7 .cse3 (or (<= ~a19~0 0) (< 1 ~a19~0))) (and .cse8 .cse9 .cse10 .cse11 .cse12) (not (<= |old(~a19~0)| 1)) (and (or (<= ~a11~0 0) (< 1 ~a11~0)) (<= 9 ~a28~0) .cse5 (<= ~a28~0 9) .cse7 .cse13) (and (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) .cse4 (= ~a25~0 |old(~a25~0)|) .cse6 .cse13) (and .cse0 .cse11 .cse14 .cse2 .cse15) (not (<= 8 |old(~a17~0)|)) (not (<= 1 |old(~a19~0)|)) (and .cse0 .cse11 .cse2 .cse16) (and (= ~a19~0 0) .cse0 .cse10 .cse2) (not (<= |old(~a25~0)| 0)) (not (<= 7 |old(~a28~0)|)) (and .cse9 .cse17 .cse0 .cse18) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse9 .cse0 .cse2 .cse16) (and .cse8 .cse17 .cse12 (= ~a25~0 ~a19~0) .cse16) (and .cse9 .cse0 .cse11 .cse18) (and (= ~a25~0 ~a11~0) .cse8 .cse1 .cse11 .cse18) (not (= ~a21~0 1)) (and (<= 10 ~a28~0) (<= 1 ~a25~0) .cse5 .cse14 .cse7 (<= ~a25~0 1) .cse15 (<= ~a28~0 10)) (not (<= |old(~a11~0)| 0))))) [2020-10-13 06:14:29,698 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:14:29,698 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:14:29,699 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse9 (= ~a11~0 1)) (.cse6 (= ~a19~0 1))) (let ((.cse4 (<= ~a25~0 0)) (.cse0 (<= 7 ~a28~0)) (.cse2 (<= ~a28~0 7)) (.cse18 (= ~a25~0 0)) (.cse5 (= 7 ~a17~0)) (.cse15 (not .cse6)) (.cse8 (= ~a25~0 1)) (.cse19 (= ~a28~0 9)) (.cse1 (<= 8 ~a17~0)) (.cse11 (<= ~a19~0 1)) (.cse3 (<= ~a17~0 8)) (.cse13 (<= 1 ~a19~0)) (.cse14 (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1))) (.cse16 (= ~a28~0 10)) (.cse10 (= ~a17~0 8)) (.cse17 (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)))) (.cse7 (= 7 ~a28~0)) (.cse12 (not .cse9))) (or (and (<= 1 ~a11~0) .cse0 (<= ~a11~0 1) .cse1 .cse2 .cse3 .cse4 (or (<= ~a19~0 0) (< 1 ~a19~0))) (and .cse5 .cse6 .cse7 .cse8 .cse9) (not (<= |old(~a19~0)| 1)) (and .cse10 .cse8 .cse11 .cse12 .cse13) (not (<= 8 |old(~a17~0)|)) (and .cse14 .cse10 .cse15 .cse12 (= ~a28~0 8) .cse4) (and .cse14 .cse10 .cse8 .cse12 .cse16) (and (or (<= ~a11~0 0) (< 1 ~a11~0)) (<= 9 ~a28~0) .cse1 .cse17 (<= ~a28~0 9) .cse3 (= ~a19~0 |old(~a19~0)|)) (not (<= 1 |old(~a19~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= 7 |old(~a28~0)|)) (and .cse6 .cse18 .cse10 .cse19 .cse9) (not (<= |old(~a28~0)| 7)) (and .cse14 (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse0 .cse10 .cse11 .cse2 .cse13) (not (<= |old(~a17~0)| 8)) (and .cse5 .cse18 .cse9 (= ~a25~0 ~a19~0) .cse16) (and .cse6 .cse10 .cse8 .cse19) (and (= ~a25~0 ~a11~0) .cse5 .cse15 .cse8 .cse19) (not (= ~a21~0 1)) (and (<= 10 ~a28~0) (<= 1 ~a25~0) .cse1 .cse11 .cse3 (<= ~a25~0 1) .cse13 (<= ~a28~0 10)) (and .cse14 .cse6 .cse10 .cse12 .cse16) (and (= ~a19~0 0) .cse10 .cse17 .cse7 .cse12) (not (<= |old(~a11~0)| 0))))) [2020-10-13 06:14:29,699 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-13 06:14:29,699 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-13 06:14:29,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:14:29 BoogieIcfgContainer [2020-10-13 06:14:29,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 06:14:29,727 INFO L168 Benchmark]: Toolchain (without parser) took 86022.94 ms. Allocated memory was 145.2 MB in the beginning and 988.8 MB in the end (delta: 843.6 MB). Free memory was 102.2 MB in the beginning and 657.3 MB in the end (delta: -555.2 MB). Peak memory consumption was 862.8 MB. Max. memory is 7.1 GB. [2020-10-13 06:14:29,728 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 06:14:29,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.03 ms. Allocated memory was 145.2 MB in the beginning and 206.0 MB in the end (delta: 60.8 MB). Free memory was 101.9 MB in the beginning and 172.6 MB in the end (delta: -70.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2020-10-13 06:14:29,730 INFO L168 Benchmark]: Boogie Preprocessor took 110.76 ms. Allocated memory is still 206.0 MB. Free memory was 172.6 MB in the beginning and 167.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-13 06:14:29,731 INFO L168 Benchmark]: RCFGBuilder took 1252.55 ms. Allocated memory was 206.0 MB in the beginning and 238.0 MB in the end (delta: 32.0 MB). Free memory was 167.1 MB in the beginning and 180.0 MB in the end (delta: -12.9 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2020-10-13 06:14:29,731 INFO L168 Benchmark]: TraceAbstraction took 83897.20 ms. Allocated memory was 238.0 MB in the beginning and 988.8 MB in the end (delta: 750.8 MB). Free memory was 180.0 MB in the beginning and 657.3 MB in the end (delta: -477.3 MB). Peak memory consumption was 847.8 MB. Max. memory is 7.1 GB. [2020-10-13 06:14:29,734 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 756.03 ms. Allocated memory was 145.2 MB in the beginning and 206.0 MB in the end (delta: 60.8 MB). Free memory was 101.9 MB in the beginning and 172.6 MB in the end (delta: -70.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.76 ms. Allocated memory is still 206.0 MB. Free memory was 172.6 MB in the beginning and 167.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1252.55 ms. Allocated memory was 206.0 MB in the beginning and 238.0 MB in the end (delta: 32.0 MB). Free memory was 167.1 MB in the beginning and 180.0 MB in the end (delta: -12.9 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 83897.20 ms. Allocated memory was 238.0 MB in the beginning and 988.8 MB in the end (delta: 750.8 MB). Free memory was 180.0 MB in the beginning and 657.3 MB in the end (delta: -477.3 MB). Peak memory consumption was 847.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: 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: (((((((((((((((((((((((((a17 == 8 && !(a19 == 1)) && !(a11 == 1)) && a28 == 8) && a25 <= 0) || (((((((1 <= a11 && 7 <= a28) && a11 <= 1) && 8 <= a17) && a28 <= 7) && a17 <= 8) && a25 <= 0) && (a19 <= 0 || 1 < a19))) || ((((7 == a17 && a19 == 1) && 7 == a28) && a25 == 1) && a11 == 1)) || !(\old(a19) <= 1)) || ((((((a11 <= 0 || 1 < a11) && 9 <= a28) && 8 <= a17) && a28 <= 9) && a17 <= 8) && a19 == \old(a19))) || (((((a17 == \old(a17) && a11 == \old(a11)) && 7 <= a28) && a25 == \old(a25)) && a28 <= 7) && a19 == \old(a19))) || ((((a17 == 8 && a25 == 1) && a19 <= 1) && !(a11 == 1)) && 1 <= a19)) || !(8 <= \old(a17))) || !(1 <= \old(a19))) || (((a17 == 8 && a25 == 1) && !(a11 == 1)) && a28 == 10)) || (((a19 == 0 && a17 == 8) && 7 == a28) && !(a11 == 1))) || !(\old(a25) <= 0)) || !(7 <= \old(a28))) || (((a19 == 1 && a25 == 0) && a17 == 8) && a28 == 9)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || (((a19 == 1 && a17 == 8) && !(a11 == 1)) && a28 == 10)) || ((((7 == a17 && a25 == 0) && a11 == 1) && a25 == a19) && a28 == 10)) || (((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)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 77.9s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 33.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 670 SDtfs, 6870 SDslu, 964 SDs, 0 SdLazy, 14975 SolverSat, 1307 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 161 SyntacticMatches, 8 SemanticMatches, 239 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 16.7s 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: 0.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 231 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 109 PreInvPairs, 149 NumberOfFragments, 1648 HoareAnnotationTreeSize, 109 FomulaSimplifications, 22282758 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2865 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 39.5s InterpolantComputationTime, 3939 NumberOfCodeBlocks, 3939 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3921 ConstructedInterpolants, 0 QuantifiedInterpolants, 9193855 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...