/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/Problem10_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:03:36,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:03:36,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:03:36,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:03:36,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:03:36,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:03:36,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:03:36,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:03:36,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:03:36,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:03:36,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:03:36,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:03:36,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:03:36,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:03:36,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:03:36,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:03:36,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:03:36,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:03:36,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:03:36,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:03:36,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:03:36,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:03:36,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:03:36,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:03:36,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:03:36,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:03:36,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:03:36,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:03:36,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:03:36,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:03:36,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:03:36,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:03:36,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:03:36,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:03:36,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:03:36,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:03:36,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:03:36,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:03:36,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:03:36,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:03:36,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:03:36,809 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 08:03:36,856 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:03:36,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:03:36,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:03:36,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:03:36,860 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:03:36,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:03:36,860 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:03:36,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:03:36,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:03:36,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:03:36,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:03:36,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:03:36,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:03:36,863 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:03:36,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:03:36,864 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:03:36,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:03:36,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:03:36,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:03:36,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:03:36,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:03:36,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:03:36,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:03:36,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:03:36,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:03:36,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:03:36,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:03:36,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:03:36,866 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:03:36,866 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 08:03:37,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:03:37,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:03:37,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:03:37,220 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:03:37,220 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:03:37,221 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label33.c [2020-10-13 08:03:37,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be6fe0923/4a65dae6f5614b93a1fe49e502a807d9/FLAG7bb6079ca [2020-10-13 08:03:37,800 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:03:37,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label33.c [2020-10-13 08:03:37,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be6fe0923/4a65dae6f5614b93a1fe49e502a807d9/FLAG7bb6079ca [2020-10-13 08:03:38,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be6fe0923/4a65dae6f5614b93a1fe49e502a807d9 [2020-10-13 08:03:38,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:03:38,120 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:03:38,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:03:38,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:03:38,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:03:38,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:38" (1/1) ... [2020-10-13 08:03:38,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7442a78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:38, skipping insertion in model container [2020-10-13 08:03:38,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:38" (1/1) ... [2020-10-13 08:03:38,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:03:38,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:03:38,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:03:38,735 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:03:38,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:03:38,878 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:03:38,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:38 WrapperNode [2020-10-13 08:03:38,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:03:38,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:03:38,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:03:38,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:03:38,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:38" (1/1) ... [2020-10-13 08:03:38,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:38" (1/1) ... [2020-10-13 08:03:38,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:38" (1/1) ... [2020-10-13 08:03:38,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:38" (1/1) ... [2020-10-13 08:03:38,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:38" (1/1) ... [2020-10-13 08:03:38,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:38" (1/1) ... [2020-10-13 08:03:38,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:38" (1/1) ... [2020-10-13 08:03:39,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:03:39,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:03:39,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:03:39,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:03:39,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:38" (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 08:03:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:03:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:03:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:03:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:03:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:03:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:03:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:03:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:03:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:03:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:03:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:03:40,286 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:03:40,287 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:03:40,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:03:40 BoogieIcfgContainer [2020-10-13 08:03:40,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:03:40,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:03:40,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:03:40,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:03:40,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:03:38" (1/3) ... [2020-10-13 08:03:40,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8d2613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:03:40, skipping insertion in model container [2020-10-13 08:03:40,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:38" (2/3) ... [2020-10-13 08:03:40,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8d2613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:03:40, skipping insertion in model container [2020-10-13 08:03:40,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:03:40" (3/3) ... [2020-10-13 08:03:40,302 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label33.c [2020-10-13 08:03:40,313 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:03:40,321 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:03:40,334 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:03:40,360 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:03:40,360 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:03:40,361 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:03:40,361 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:03:40,361 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:03:40,361 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:03:40,362 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:03:40,362 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:03:40,385 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-13 08:03:40,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-13 08:03:40,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:40,395 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] [2020-10-13 08:03:40,396 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:40,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:40,401 INFO L82 PathProgramCache]: Analyzing trace with hash -878124393, now seen corresponding path program 1 times [2020-10-13 08:03:40,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:40,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1840063583] [2020-10-13 08:03:40,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:40,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:40,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:40,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 08:03:40,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:40,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-10-13 08:03:40,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:03:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:03:40,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 08:03:40,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:03:41,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:41,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:41,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:41,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:41,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:41,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 08:03:41,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:41,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:41,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:41,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:03:41,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:41,158 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 08:03:41,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1840063583] [2020-10-13 08:03:41,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:03:41,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:03:41,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889896805] [2020-10-13 08:03:41,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:03:41,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:41,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:03:41,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:03:41,194 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-13 08:03:42,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:42,823 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-10-13 08:03:42,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:42,825 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-10-13 08:03:42,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:42,847 INFO L225 Difference]: With dead ends: 596 [2020-10-13 08:03:42,847 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:03:42,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:42,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:03:42,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-13 08:03:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-13 08:03:42,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-10-13 08:03:42,929 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 50 [2020-10-13 08:03:42,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:42,930 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-10-13 08:03:42,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:03:42,930 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-10-13 08:03:42,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 08:03:42,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:42,937 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:42,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:03:42,937 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:42,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:42,938 INFO L82 PathProgramCache]: Analyzing trace with hash -558558894, now seen corresponding path program 1 times [2020-10-13 08:03:42,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:42,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603260770] [2020-10-13 08:03:42,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:43,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:43,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:44,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:44,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:44,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 08:03:44,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:44,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1127 [2020-10-13 08:03:44,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:44,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:44,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 08:03:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 08:03:44,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:44,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:44,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:44,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:44,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:44,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:44,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 08:03:44,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:44,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:44,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:44,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:44,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:03:44,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:44,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:44,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:44,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:03:44,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:44,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 08:03:44,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:03:44,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:44,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603260770] [2020-10-13 08:03:44,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:44,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:44,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285606730] [2020-10-13 08:03:44,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:44,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:44,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:44,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:44,414 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 5 states. [2020-10-13 08:03:45,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:45,498 INFO L93 Difference]: Finished difference Result 884 states and 1304 transitions. [2020-10-13 08:03:45,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:45,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-10-13 08:03:45,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:45,504 INFO L225 Difference]: With dead ends: 884 [2020-10-13 08:03:45,504 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:03:45,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:45,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:03:45,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-13 08:03:45,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-13 08:03:45,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 821 transitions. [2020-10-13 08:03:45,550 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 821 transitions. Word has length 124 [2020-10-13 08:03:45,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:45,553 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 821 transitions. [2020-10-13 08:03:45,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 821 transitions. [2020-10-13 08:03:45,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 08:03:45,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:45,563 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:45,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:03:45,563 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:45,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:45,564 INFO L82 PathProgramCache]: Analyzing trace with hash -659749739, now seen corresponding path program 1 times [2020-10-13 08:03:45,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:45,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1191269586] [2020-10-13 08:03:45,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:45,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:45,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:46,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:46,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 08:03:46,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:03:46,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 475 [2020-10-13 08:03:46,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:46,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:46,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-13 08:03:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 08:03:46,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:46,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:46,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:46,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:46,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:46,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 08:03:46,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:46,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:46,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:46,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:46,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:46,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:46,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 08:03:46,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:46,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-13 08:03:46,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:46,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:46,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:46,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 08:03:46,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:46,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1191269586] [2020-10-13 08:03:46,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:46,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:46,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83142284] [2020-10-13 08:03:46,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:46,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:46,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:46,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:46,644 INFO L87 Difference]: Start difference. First operand 588 states and 821 transitions. Second operand 5 states. [2020-10-13 08:03:47,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:47,632 INFO L93 Difference]: Finished difference Result 1197 states and 1678 transitions. [2020-10-13 08:03:47,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:47,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-13 08:03:47,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:47,638 INFO L225 Difference]: With dead ends: 1197 [2020-10-13 08:03:47,638 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:03:47,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 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 08:03:47,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:03:47,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-13 08:03:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-13 08:03:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 817 transitions. [2020-10-13 08:03:47,664 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 817 transitions. Word has length 129 [2020-10-13 08:03:47,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:47,665 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 817 transitions. [2020-10-13 08:03:47,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:47,665 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 817 transitions. [2020-10-13 08:03:47,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-13 08:03:47,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:47,668 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:47,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:03:47,669 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:47,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:47,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1212394402, now seen corresponding path program 1 times [2020-10-13 08:03:47,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:47,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410013024] [2020-10-13 08:03:47,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:47,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:47,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:48,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:48,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:48,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-13 08:03:48,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:48,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1139 [2020-10-13 08:03:48,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:48,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:48,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-13 08:03:48,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 08:03:48,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:48,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:48,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:48,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:48,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:48,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:48,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:48,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:48,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:48,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:48,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:48,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:48,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:48,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:49,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:49,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-13 08:03:49,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:49,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-13 08:03:49,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:49,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:49,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:49,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 08:03:49,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:49,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410013024] [2020-10-13 08:03:49,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:49,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:49,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687367561] [2020-10-13 08:03:49,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:49,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:49,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:49,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:49,113 INFO L87 Difference]: Start difference. First operand 588 states and 817 transitions. Second operand 5 states. [2020-10-13 08:03:49,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:49,971 INFO L93 Difference]: Finished difference Result 1191 states and 1664 transitions. [2020-10-13 08:03:49,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:49,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-10-13 08:03:49,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:49,977 INFO L225 Difference]: With dead ends: 1191 [2020-10-13 08:03:49,977 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:03:49,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:49,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:03:50,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-13 08:03:50,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-13 08:03:50,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 813 transitions. [2020-10-13 08:03:50,007 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 813 transitions. Word has length 148 [2020-10-13 08:03:50,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:50,009 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 813 transitions. [2020-10-13 08:03:50,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:50,010 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 813 transitions. [2020-10-13 08:03:50,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-13 08:03:50,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:50,019 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:50,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:03:50,020 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:50,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:50,021 INFO L82 PathProgramCache]: Analyzing trace with hash 68370854, now seen corresponding path program 1 times [2020-10-13 08:03:50,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:50,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [456755065] [2020-10-13 08:03:50,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:50,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:50,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:50,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:51,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:51,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-13 08:03:51,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:51,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1450 [2020-10-13 08:03:51,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:51,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:51,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-13 08:03:51,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 08:03:51,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:51,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:51,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:51,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:51,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:51,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:51,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:03:51,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:51,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:51,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:51,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:51,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:51,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:51,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:51,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:51,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:03:51,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:51,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 08:03:51,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:51,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:51,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:51,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-13 08:03:51,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:51,845 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:51,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [456755065] [2020-10-13 08:03:51,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:51,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:51,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209876226] [2020-10-13 08:03:51,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:51,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:51,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:51,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:51,848 INFO L87 Difference]: Start difference. First operand 588 states and 813 transitions. Second operand 5 states. [2020-10-13 08:03:52,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:52,643 INFO L93 Difference]: Finished difference Result 1193 states and 1658 transitions. [2020-10-13 08:03:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:52,644 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2020-10-13 08:03:52,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:52,649 INFO L225 Difference]: With dead ends: 1193 [2020-10-13 08:03:52,649 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:03:52,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:52,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:03:52,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-13 08:03:52,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-13 08:03:52,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 809 transitions. [2020-10-13 08:03:52,699 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 809 transitions. Word has length 162 [2020-10-13 08:03:52,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:52,699 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 809 transitions. [2020-10-13 08:03:52,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:52,699 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 809 transitions. [2020-10-13 08:03:52,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-13 08:03:52,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:52,702 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:52,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:03:52,702 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:52,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:52,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1342739671, now seen corresponding path program 1 times [2020-10-13 08:03:52,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:52,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2048381228] [2020-10-13 08:03:52,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:52,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:52,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:53,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:54,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:54,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-13 08:03:54,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:54,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1683 [2020-10-13 08:03:54,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-13 08:03:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 08:03:54,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:54,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:54,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:54,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:54,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:54,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:54,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:54,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:54,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:54,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:54,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:54,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:54,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:54,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:03:54,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:54,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-13 08:03:54,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:54,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-13 08:03:54,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:54,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2048381228] [2020-10-13 08:03:54,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:54,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:54,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132518536] [2020-10-13 08:03:54,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:54,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:54,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:54,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:54,795 INFO L87 Difference]: Start difference. First operand 588 states and 809 transitions. Second operand 5 states. [2020-10-13 08:03:55,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:55,728 INFO L93 Difference]: Finished difference Result 1196 states and 1653 transitions. [2020-10-13 08:03:55,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:55,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-13 08:03:55,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:55,735 INFO L225 Difference]: With dead ends: 1196 [2020-10-13 08:03:55,735 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:03:55,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:55,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:03:55,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-13 08:03:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-13 08:03:55,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 805 transitions. [2020-10-13 08:03:55,761 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 805 transitions. Word has length 167 [2020-10-13 08:03:55,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:55,761 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 805 transitions. [2020-10-13 08:03:55,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:55,762 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 805 transitions. [2020-10-13 08:03:55,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-13 08:03:55,764 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:55,764 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:55,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:03:55,764 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:55,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:55,765 INFO L82 PathProgramCache]: Analyzing trace with hash 853808325, now seen corresponding path program 1 times [2020-10-13 08:03:55,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:55,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194579156] [2020-10-13 08:03:55,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:55,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:55,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:56,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:57,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:57,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 08:03:57,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:57,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1375 [2020-10-13 08:03:57,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:57,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:57,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-13 08:03:57,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:03:57,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:57,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:57,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:57,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:57,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:57,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:57,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:57,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:57,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:57,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:57,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:57,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:57,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:57,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:57,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:57,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 08:03:57,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:57,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-13 08:03:57,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:57,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:57,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:57,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 08:03:57,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:57,557 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:57,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194579156] [2020-10-13 08:03:57,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:57,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:57,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212501323] [2020-10-13 08:03:57,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:57,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:57,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:57,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:57,561 INFO L87 Difference]: Start difference. First operand 588 states and 805 transitions. Second operand 5 states. [2020-10-13 08:03:58,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:58,336 INFO L93 Difference]: Finished difference Result 1188 states and 1637 transitions. [2020-10-13 08:03:58,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:58,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2020-10-13 08:03:58,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:58,341 INFO L225 Difference]: With dead ends: 1188 [2020-10-13 08:03:58,341 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:03:58,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:58,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:03:58,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-13 08:03:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-13 08:03:58,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 801 transitions. [2020-10-13 08:03:58,361 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 801 transitions. Word has length 169 [2020-10-13 08:03:58,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:58,361 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 801 transitions. [2020-10-13 08:03:58,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:58,362 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 801 transitions. [2020-10-13 08:03:58,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-13 08:03:58,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:58,365 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:03:58,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:03:58,365 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:58,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:58,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1097542006, now seen corresponding path program 1 times [2020-10-13 08:03:58,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:58,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784747499] [2020-10-13 08:03:58,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:58,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:58,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:58,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:00,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:01,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:01,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-13 08:04:01,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:04:01,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2612 [2020-10-13 08:04:01,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-13 08:04:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 08:04:01,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:01,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:01,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:01,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:01,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:01,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:01,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:04:01,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:01,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:01,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:01,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:01,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:01,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:01,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 08:04:01,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:01,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-13 08:04:01,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:01,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:01,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-13 08:04:01,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:01,376 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:04:01,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784747499] [2020-10-13 08:04:01,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:01,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:01,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138107939] [2020-10-13 08:04:01,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:01,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:01,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:01,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:01,381 INFO L87 Difference]: Start difference. First operand 588 states and 801 transitions. Second operand 5 states. [2020-10-13 08:04:02,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:02,498 INFO L93 Difference]: Finished difference Result 1185 states and 1624 transitions. [2020-10-13 08:04:02,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:02,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 192 [2020-10-13 08:04:02,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:02,504 INFO L225 Difference]: With dead ends: 1185 [2020-10-13 08:04:02,505 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 08:04:02,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 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 08:04:02,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 08:04:02,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-13 08:04:02,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-13 08:04:02,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 796 transitions. [2020-10-13 08:04:02,529 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 796 transitions. Word has length 192 [2020-10-13 08:04:02,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:02,530 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 796 transitions. [2020-10-13 08:04:02,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:02,530 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 796 transitions. [2020-10-13 08:04:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-13 08:04:02,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:02,536 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, 2, 2, 2, 2, 2, 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] [2020-10-13 08:04:02,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:04:02,536 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:02,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:02,537 INFO L82 PathProgramCache]: Analyzing trace with hash -818246607, now seen corresponding path program 1 times [2020-10-13 08:04:02,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:02,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1727045596] [2020-10-13 08:04:02,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:02,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:02,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:03,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:03,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:04,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:04,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-13 08:04:04,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:04:04,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2124 [2020-10-13 08:04:04,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:04,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:04,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 158 [2020-10-13 08:04:04,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 08:04:04,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:04:04,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:04,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:04,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:04,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:04,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:04,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:04:04,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:04,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:04,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:04,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:04,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:04,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:04,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:04,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:04,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:04:04,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:04,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 08:04:04,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:04,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:04,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:04,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:04,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:04,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 08:04:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:04,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:04,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:04,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:04:04,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:04,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 08:04:04,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:04,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:04,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:04,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:04:04,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:04,943 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:04:04,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1727045596] [2020-10-13 08:04:04,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:04,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:04,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59955286] [2020-10-13 08:04:04,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:04,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:04,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:04,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:04,960 INFO L87 Difference]: Start difference. First operand 588 states and 796 transitions. Second operand 5 states. [2020-10-13 08:04:06,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:06,251 INFO L93 Difference]: Finished difference Result 1464 states and 2025 transitions. [2020-10-13 08:04:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:06,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2020-10-13 08:04:06,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:06,260 INFO L225 Difference]: With dead ends: 1464 [2020-10-13 08:04:06,260 INFO L226 Difference]: Without dead ends: 882 [2020-10-13 08:04:06,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:06,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-13 08:04:06,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 878. [2020-10-13 08:04:06,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-10-13 08:04:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1160 transitions. [2020-10-13 08:04:06,292 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1160 transitions. Word has length 196 [2020-10-13 08:04:06,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:06,292 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1160 transitions. [2020-10-13 08:04:06,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:06,292 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1160 transitions. [2020-10-13 08:04:06,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-13 08:04:06,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:06,296 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, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:04:06,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:04:06,296 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:06,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:06,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1264418115, now seen corresponding path program 1 times [2020-10-13 08:04:06,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:06,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100274264] [2020-10-13 08:04:06,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:06,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:06,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:06,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:08,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:09,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:09,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-13 08:04:09,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:04:09,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2985 [2020-10-13 08:04:09,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:09,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-13 08:04:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 08:04:09,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:09,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:09,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:09,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:09,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:09,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:09,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:04:09,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:09,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:09,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:09,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:09,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:09,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:04:09,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:09,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:04:09,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:09,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:09,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 08:04:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:09,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:09,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:09,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 08:04:09,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:09,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 08:04:09,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:09,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 08:04:09,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:09,609 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-13 08:04:09,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2100274264] [2020-10-13 08:04:09,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:09,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:09,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130425405] [2020-10-13 08:04:09,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:09,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:09,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:09,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:09,611 INFO L87 Difference]: Start difference. First operand 878 states and 1160 transitions. Second operand 5 states. [2020-10-13 08:04:10,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:10,464 INFO L93 Difference]: Finished difference Result 1770 states and 2350 transitions. [2020-10-13 08:04:10,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:10,470 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 206 [2020-10-13 08:04:10,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:10,476 INFO L225 Difference]: With dead ends: 1770 [2020-10-13 08:04:10,476 INFO L226 Difference]: Without dead ends: 882 [2020-10-13 08:04:10,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:10,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-13 08:04:10,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 878. [2020-10-13 08:04:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-10-13 08:04:10,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1156 transitions. [2020-10-13 08:04:10,508 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1156 transitions. Word has length 206 [2020-10-13 08:04:10,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:10,509 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1156 transitions. [2020-10-13 08:04:10,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:10,509 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1156 transitions. [2020-10-13 08:04:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-13 08:04:10,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:10,513 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, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:04:10,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:04:10,513 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:10,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:10,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1965575566, now seen corresponding path program 1 times [2020-10-13 08:04:10,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:10,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531945288] [2020-10-13 08:04:10,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:10,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:10,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:11,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:12,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:12,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:12,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-13 08:04:12,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:04:12,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2097 [2020-10-13 08:04:12,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:12,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:12,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-10-13 08:04:12,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 08:04:12,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:12,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:12,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:12,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:12,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:12,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:12,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:04:12,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:12,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:12,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:12,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:12,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:12,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:04:12,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:12,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:04:12,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:12,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:12,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:12,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:12,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:12,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 08:04:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:12,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:12,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:12,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 08:04:12,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:12,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 08:04:12,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:12,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:12,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:12,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-13 08:04:12,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:12,864 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-13 08:04:12,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531945288] [2020-10-13 08:04:12,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:12,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:12,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948132107] [2020-10-13 08:04:12,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:12,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:12,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:12,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:12,866 INFO L87 Difference]: Start difference. First operand 878 states and 1156 transitions. Second operand 5 states. [2020-10-13 08:04:14,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:14,034 INFO L93 Difference]: Finished difference Result 2189 states and 2947 transitions. [2020-10-13 08:04:14,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:14,035 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209 [2020-10-13 08:04:14,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:14,042 INFO L225 Difference]: With dead ends: 2189 [2020-10-13 08:04:14,042 INFO L226 Difference]: Without dead ends: 1317 [2020-10-13 08:04:14,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:14,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2020-10-13 08:04:14,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1313. [2020-10-13 08:04:14,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1313 states. [2020-10-13 08:04:14,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1313 states and 1670 transitions. [2020-10-13 08:04:14,080 INFO L78 Accepts]: Start accepts. Automaton has 1313 states and 1670 transitions. Word has length 209 [2020-10-13 08:04:14,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:14,080 INFO L479 AbstractCegarLoop]: Abstraction has 1313 states and 1670 transitions. [2020-10-13 08:04:14,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:14,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1670 transitions. [2020-10-13 08:04:14,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-13 08:04:14,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:14,087 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:14,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:04:14,087 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:14,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:14,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1532577890, now seen corresponding path program 1 times [2020-10-13 08:04:14,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:14,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457333272] [2020-10-13 08:04:14,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:14,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:14,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:14,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:16,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:16,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:19,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:19,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-13 08:04:19,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:04:19,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 08:04:19,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:19,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:04:19,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 227 [2020-10-13 08:04:19,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 08:04:19,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:04:19,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:19,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:19,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:19,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:19,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:19,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:04:19,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:19,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:19,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:19,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:19,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:19,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:04:19,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:19,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 08:04:19,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:19,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:19,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 08:04:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:19,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:19,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:19,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 08:04:19,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:19,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-13 08:04:19,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:19,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:19,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:19,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-13 08:04:19,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:19,548 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-13 08:04:19,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457333272] [2020-10-13 08:04:19,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:19,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 08:04:19,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838650850] [2020-10-13 08:04:19,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 08:04:19,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:19,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 08:04:19,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:04:19,551 INFO L87 Difference]: Start difference. First operand 1313 states and 1670 transitions. Second operand 8 states. [2020-10-13 08:04:20,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:20,533 INFO L93 Difference]: Finished difference Result 2674 states and 3419 transitions. [2020-10-13 08:04:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 08:04:20,534 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 265 [2020-10-13 08:04:20,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:20,541 INFO L225 Difference]: With dead ends: 2674 [2020-10-13 08:04:20,541 INFO L226 Difference]: Without dead ends: 1317 [2020-10-13 08:04:20,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 08:04:20,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2020-10-13 08:04:20,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1313. [2020-10-13 08:04:20,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1313 states. [2020-10-13 08:04:20,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1313 states and 1653 transitions. [2020-10-13 08:04:20,594 INFO L78 Accepts]: Start accepts. Automaton has 1313 states and 1653 transitions. Word has length 265 [2020-10-13 08:04:20,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:20,595 INFO L479 AbstractCegarLoop]: Abstraction has 1313 states and 1653 transitions. [2020-10-13 08:04:20,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 08:04:20,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1653 transitions. [2020-10-13 08:04:20,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-13 08:04:20,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:04:20,602 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, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:04:20,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:04:20,602 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:04:20,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:04:20,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1883671705, now seen corresponding path program 1 times [2020-10-13 08:04:20,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:04:20,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559871281] [2020-10-13 08:04:20,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:04:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:20,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:20,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:20,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:20,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:23,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:25,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:25,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-13 08:04:25,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:04:25,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 08:04:25,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:25,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:04:25,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 233 [2020-10-13 08:04:25,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:04:25,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:25,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:04:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:25,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:25,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:25,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:04:25,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:25,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 08:04:25,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:25,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:25,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:25,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:25,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:25,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:04:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:25,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:25,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:25,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:04:25,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:25,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 08:04:25,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:25,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:25,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:25,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:25,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:25,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 08:04:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:25,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:25,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:25,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:04:25,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:25,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 08:04:25,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:25,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:04:25,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:25,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:04:25,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:25,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 08:04:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:04:25,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:04:25,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:04:25,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:04:25,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:04:25,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 08:04:25,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:04:25,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:04:25,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:04:25,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:04:25,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:04:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 132 proven. 3 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2020-10-13 08:04:25,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559871281] [2020-10-13 08:04:25,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:04:25,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:04:25,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802005078] [2020-10-13 08:04:25,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:04:25,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:04:25,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:04:25,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:04:25,894 INFO L87 Difference]: Start difference. First operand 1313 states and 1653 transitions. Second operand 5 states. [2020-10-13 08:04:26,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:04:26,676 INFO L93 Difference]: Finished difference Result 2495 states and 3127 transitions. [2020-10-13 08:04:26,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:04:26,680 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 269 [2020-10-13 08:04:26,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:04:26,680 INFO L225 Difference]: With dead ends: 2495 [2020-10-13 08:04:26,680 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:04:26,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:04:26,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:04:26,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:04:26,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:04:26,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:04:26,687 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 269 [2020-10-13 08:04:26,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:04:26,687 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:04:26,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:04:26,688 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:04:26,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:04:26,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:04:26,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:04:27,111 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 68 [2020-10-13 08:04:27,339 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 68 [2020-10-13 08:04:28,116 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 99 [2020-10-13 08:04:28,336 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2020-10-13 08:04:28,528 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2020-10-13 08:04:28,533 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:04:28,535 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-13 08:04:28,535 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:04:28,535 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-13 08:04:28,535 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,535 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,536 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,536 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,536 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,536 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,536 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-13 08:04:28,536 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-13 08:04:28,536 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:04:28,536 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:04:28,536 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:04:28,537 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:04:28,537 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:04:28,537 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:04:28,537 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-13 08:04:28,537 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-13 08:04:28,537 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-13 08:04:28,537 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,537 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,537 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,538 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,538 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,538 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-13 08:04:28,538 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-13 08:04:28,538 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-13 08:04:28,538 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-13 08:04:28,538 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:04:28,538 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:04:28,538 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:04:28,538 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:04:28,539 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:04:28,539 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-13 08:04:28,539 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-13 08:04:28,541 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-13 08:04:28,541 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-13 08:04:28,542 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 136) no Hoare annotation was computed. [2020-10-13 08:04:28,542 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-13 08:04:28,542 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,542 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,542 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,542 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,542 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,542 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-13 08:04:28,543 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:04:28,544 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:04:28,544 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:04:28,544 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:04:28,544 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:04:28,544 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-13 08:04:28,544 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-13 08:04:28,544 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-13 08:04:28,545 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-13 08:04:28,545 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,545 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,545 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,547 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,547 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,547 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-13 08:04:28,548 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-13 08:04:28,548 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-13 08:04:28,548 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:04:28,548 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:04:28,548 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:04:28,548 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:04:28,548 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:04:28,548 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-13 08:04:28,548 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-13 08:04:28,548 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-13 08:04:28,549 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-13 08:04:28,549 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-13 08:04:28,549 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,549 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,549 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,549 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,549 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,549 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:04:28,549 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:04:28,549 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:04:28,550 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:04:28,550 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:04:28,550 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-13 08:04:28,550 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-13 08:04:28,550 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-13 08:04:28,550 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-13 08:04:28,550 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,550 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,550 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,550 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,551 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,551 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,551 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,551 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-13 08:04:28,551 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-13 08:04:28,551 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-13 08:04:28,551 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-13 08:04:28,551 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:04:28,551 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:04:28,552 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:04:28,552 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:04:28,552 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:04:28,552 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-13 08:04:28,552 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-13 08:04:28,553 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-13 08:04:28,554 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-13 08:04:28,555 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,555 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,555 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,555 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,555 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:04:28,555 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,555 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,555 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-13 08:04:28,556 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-13 08:04:28,556 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-13 08:04:28,556 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:04:28,556 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:04:28,556 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:04:28,556 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:04:28,558 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:04:28,558 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:04:28,558 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-13 08:04:28,558 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-13 08:04:28,558 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-13 08:04:28,558 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-13 08:04:28,558 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,558 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,558 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,558 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,559 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,559 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,559 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-13 08:04:28,559 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-13 08:04:28,559 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-13 08:04:28,559 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:04:28,559 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:04:28,559 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:04:28,559 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:04:28,559 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:04:28,560 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:04:28,560 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-13 08:04:28,560 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-13 08:04:28,562 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse4 (= ~a1~0 |old(~a1~0)|)) (.cse5 (= ~a10~0 |old(~a10~0)|))) (let ((.cse6 (not (<= |old(~a1~0)| 33))) (.cse2 (not (= 8 |old(~a19~0)|))) (.cse0 (and .cse4 (= ~a19~0 |old(~a19~0)|) .cse5)) (.cse1 (not (= 14 ~a4~0))) (.cse7 (not (= 2 |old(~a10~0)|))) (.cse3 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 (not (= 4 |old(~a10~0)|)) .cse2 .cse3) (or .cse0 (not (= 10 |old(~a19~0)|))) (or .cse0 (not (<= 219 |old(~a1~0)|))) (or (not (= 9 |old(~a19~0)|)) .cse0) (or .cse0 (not (<= |old(~a1~0)| 23))) (or (not (<= |old(~a1~0)| 77)) (not (<= |old(~a10~0)| 0)) (not (<= |old(~a19~0)| 8)) (not (<= 8 |old(~a19~0)|)) .cse1 (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse4 .cse5) (not (<= 0 |old(~a10~0)|)) (not (<= 41 |old(~a1~0)|)) .cse3) (or (not (<= |old(~a19~0)| 7)) (not (<= 7 |old(~a19~0)|)) .cse0 .cse1 .cse6 (not (<= 1 |old(~a10~0)|)) (not (<= |old(~a10~0)| 1)) .cse3) (or (not (= 3 |old(~a10~0)|)) (not (= 6 |old(~a19~0)|)) .cse1 .cse6 (and .cse4 (= ~a19~0 6) .cse5) .cse3) (or .cse0 (not (<= |old(~a1~0)| 36)) .cse1 .cse7 .cse2 .cse3) (or (not (<= 117 |old(~a1~0)|)) (not (<= |old(~a1~0)| 206)) .cse0 .cse1 .cse7 (not (= 7 |old(~a19~0)|)) .cse3)))) [2020-10-13 08:04:28,563 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-13 08:04:28,563 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-13 08:04:28,563 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-13 08:04:28,563 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,563 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,563 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,563 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,563 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,563 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,563 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-13 08:04:28,564 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:04:28,564 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:04:28,564 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:04:28,564 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:04:28,564 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:04:28,564 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:04:28,564 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-13 08:04:28,564 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-13 08:04:28,564 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-13 08:04:28,565 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-13 08:04:28,565 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-13 08:04:28,565 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-13 08:04:28,565 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,565 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,565 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,565 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,565 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,565 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,565 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-13 08:04:28,566 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-13 08:04:28,566 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-13 08:04:28,566 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:04:28,566 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:04:28,566 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:04:28,566 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:04:28,566 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:04:28,566 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:04:28,566 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-13 08:04:28,566 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-13 08:04:28,567 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-13 08:04:28,567 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,567 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,567 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,567 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,567 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,567 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:04:28,567 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-13 08:04:28,567 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-13 08:04:28,567 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-13 08:04:28,568 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:04:28,568 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:04:28,568 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:04:28,568 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:04:28,568 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:04:28,568 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:04:28,568 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-13 08:04:28,568 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-13 08:04:28,568 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-13 08:04:28,568 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:04:28,569 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (<= ~a1~0 23)) [2020-10-13 08:04:28,569 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:04:28,569 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:04:28,569 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23))) [2020-10-13 08:04:28,569 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:04:28,569 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (= ~a10~0 2)) (.cse4 (<= ~a1~0 33)) (.cse3 (= ~a19~0 8)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= ~a10~0 0) (<= 0 ~a10~0) (<= 41 ~a1~0) (<= ~a1~0 77) (<= 8 ~a19~0) .cse0 .cse1 (<= ~a19~0 8)) (and (= 7 ~a19~0) .cse0 .cse2 .cse1 (<= 117 ~a1~0) (<= ~a1~0 206)) (not (= 9 |old(~a19~0)|)) (and .cse3 (<= ~a1~0 36) .cse0 .cse2 .cse1) (not (<= |old(~a1~0)| 23)) (and (<= ~a19~0 7) .cse0 (<= 7 ~a19~0) .cse4 (<= 1 ~a10~0) .cse1 (<= ~a10~0 1)) (= ~a19~0 9) (= ~a19~0 10) (and (= ~a10~0 3) .cse0 .cse4 .cse1 (= ~a19~0 6)) (<= 219 ~a1~0) (<= ~a1~0 23) (and .cse3 .cse0 .cse1 (= ~a10~0 4)))) [2020-10-13 08:04:28,569 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-13 08:04:28,569 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-13 08:04:28,570 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (= ~a10~0 2)) (.cse4 (<= ~a1~0 33)) (.cse3 (= ~a19~0 8)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= ~a10~0 0) (<= 0 ~a10~0) (<= 41 ~a1~0) (<= ~a1~0 77) (<= 8 ~a19~0) .cse0 .cse1 (<= ~a19~0 8)) (and (= 7 ~a19~0) .cse0 .cse2 .cse1 (<= 117 ~a1~0) (<= ~a1~0 206)) (not (= 9 |old(~a19~0)|)) (and .cse3 (<= ~a1~0 36) .cse0 .cse2 .cse1) (not (<= |old(~a1~0)| 23)) (and (<= ~a19~0 7) .cse0 (<= 7 ~a19~0) .cse4 (<= 1 ~a10~0) .cse1 (<= ~a10~0 1)) (= ~a19~0 9) (= ~a19~0 10) (and (= ~a10~0 3) .cse0 .cse4 .cse1 (= ~a19~0 6)) (<= 219 ~a1~0) (<= ~a1~0 23) (and .cse3 .cse0 .cse1 (= ~a10~0 4)))) [2020-10-13 08:04:28,570 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:04:28,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:04:28 BoogieIcfgContainer [2020-10-13 08:04:28,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:04:28,612 INFO L168 Benchmark]: Toolchain (without parser) took 50491.09 ms. Allocated memory was 147.3 MB in the beginning and 922.7 MB in the end (delta: 775.4 MB). Free memory was 101.9 MB in the beginning and 351.8 MB in the end (delta: -249.9 MB). Peak memory consumption was 525.5 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:28,612 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:04:28,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.99 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 101.7 MB in the beginning and 170.8 MB in the end (delta: -69.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:28,614 INFO L168 Benchmark]: Boogie Preprocessor took 128.68 ms. Allocated memory is still 205.5 MB. Free memory was 170.8 MB in the beginning and 166.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:28,620 INFO L168 Benchmark]: RCFGBuilder took 1285.53 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 166.0 MB in the beginning and 179.0 MB in the end (delta: -13.0 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:28,621 INFO L168 Benchmark]: TraceAbstraction took 48314.74 ms. Allocated memory was 237.5 MB in the beginning and 922.7 MB in the end (delta: 685.2 MB). Free memory was 179.0 MB in the beginning and 351.8 MB in the end (delta: -172.7 MB). Peak memory consumption was 512.5 MB. Max. memory is 7.1 GB. [2020-10-13 08:04:28,629 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 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 756.99 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 101.7 MB in the beginning and 170.8 MB in the end (delta: -69.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.68 ms. Allocated memory is still 205.5 MB. Free memory was 170.8 MB in the beginning and 166.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1285.53 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 166.0 MB in the beginning and 179.0 MB in the end (delta: -13.0 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 48314.74 ms. Allocated memory was 237.5 MB in the beginning and 922.7 MB in the end (delta: 685.2 MB). Free memory was 179.0 MB in the beginning and 351.8 MB in the end (delta: -172.7 MB). Peak memory consumption was 512.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 136]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((((((((a10 <= 0 && 0 <= a10) && 41 <= a1) && a1 <= 77) && 8 <= a19) && 14 == a4) && a12 == 0) && a19 <= 8) || (((((7 == a19 && 14 == a4) && a10 == 2) && a12 == 0) && 117 <= a1) && a1 <= 206)) || !(9 == \old(a19))) || ((((a19 == 8 && a1 <= 36) && 14 == a4) && a10 == 2) && a12 == 0)) || !(\old(a1) <= 23)) || ((((((a19 <= 7 && 14 == a4) && 7 <= a19) && a1 <= 33) && 1 <= a10) && a12 == 0) && a10 <= 1)) || a19 == 9) || a19 == 10) || ((((a10 == 3 && 14 == a4) && a1 <= 33) && a12 == 0) && a19 == 6)) || 219 <= a1) || a1 <= 23) || (((a19 == 8 && 14 == a4) && a12 == 0) && a10 == 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 46.3s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 315 SDtfs, 2785 SDslu, 250 SDs, 0 SdLazy, 7900 SolverSat, 415 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 95 SyntacticMatches, 6 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1313occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 48 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 87 PreInvPairs, 127 NumberOfFragments, 592 HoareAnnotationTreeSize, 87 FomulaSimplifications, 598328 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1031 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 31.0s InterpolantComputationTime, 2286 NumberOfCodeBlocks, 2286 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2273 ConstructedInterpolants, 0 QuantifiedInterpolants, 1133821 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 1267/1285 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...