/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 11:13:47,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 11:13:47,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 11:13:47,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 11:13:47,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 11:13:47,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 11:13:47,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 11:13:47,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 11:13:47,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 11:13:47,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 11:13:47,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 11:13:47,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 11:13:47,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 11:13:47,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 11:13:47,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 11:13:47,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 11:13:47,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 11:13:47,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 11:13:47,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 11:13:47,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 11:13:47,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 11:13:47,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 11:13:47,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 11:13:47,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 11:13:47,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 11:13:47,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 11:13:47,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 11:13:47,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 11:13:47,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 11:13:47,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 11:13:47,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 11:13:47,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 11:13:47,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 11:13:47,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 11:13:47,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 11:13:47,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 11:13:47,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 11:13:47,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 11:13:47,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 11:13:47,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 11:13:47,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 11:13:47,718 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 11:13:47,748 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 11:13:47,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 11:13:47,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 11:13:47,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 11:13:47,750 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 11:13:47,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 11:13:47,751 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 11:13:47,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 11:13:47,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 11:13:47,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 11:13:47,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 11:13:47,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 11:13:47,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 11:13:47,752 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 11:13:47,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 11:13:47,753 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 11:13:47,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 11:13:47,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 11:13:47,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 11:13:47,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 11:13:47,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 11:13:47,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:13:47,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 11:13:47,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 11:13:47,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 11:13:47,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 11:13:47,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 11:13:47,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 11:13:47,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 11:13:47,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 11:13:48,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 11:13:48,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 11:13:48,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 11:13:48,097 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 11:13:48,098 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 11:13:48,098 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30.c [2020-10-12 11:13:48,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38aae3a4a/7fc52052fc1e4a2caf58ad2f64b6225a/FLAG900b5a6f3 [2020-10-12 11:13:48,776 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 11:13:48,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label30.c [2020-10-12 11:13:48,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38aae3a4a/7fc52052fc1e4a2caf58ad2f64b6225a/FLAG900b5a6f3 [2020-10-12 11:13:49,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38aae3a4a/7fc52052fc1e4a2caf58ad2f64b6225a [2020-10-12 11:13:49,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 11:13:49,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 11:13:49,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 11:13:49,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 11:13:49,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 11:13:49,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:13:49" (1/1) ... [2020-10-12 11:13:49,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b06afa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:49, skipping insertion in model container [2020-10-12 11:13:49,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:13:49" (1/1) ... [2020-10-12 11:13:49,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 11:13:49,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 11:13:49,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:13:49,522 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 11:13:49,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:13:49,751 INFO L208 MainTranslator]: Completed translation [2020-10-12 11:13:49,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:49 WrapperNode [2020-10-12 11:13:49,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 11:13:49,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 11:13:49,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 11:13:49,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 11:13:49,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:49" (1/1) ... [2020-10-12 11:13:49,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:49" (1/1) ... [2020-10-12 11:13:49,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:49" (1/1) ... [2020-10-12 11:13:49,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:49" (1/1) ... [2020-10-12 11:13:49,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:49" (1/1) ... [2020-10-12 11:13:49,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:49" (1/1) ... [2020-10-12 11:13:49,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:49" (1/1) ... [2020-10-12 11:13:49,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 11:13:49,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 11:13:49,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 11:13:49,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 11:13:49,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:13:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 11:13:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 11:13:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 11:13:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 11:13:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 11:13:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 11:13:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 11:13:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 11:13:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 11:13:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 11:13:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 11:13:51,172 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 11:13:51,173 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 11:13:51,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:51 BoogieIcfgContainer [2020-10-12 11:13:51,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 11:13:51,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 11:13:51,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 11:13:51,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 11:13:51,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:13:49" (1/3) ... [2020-10-12 11:13:51,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8bd983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:13:51, skipping insertion in model container [2020-10-12 11:13:51,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:49" (2/3) ... [2020-10-12 11:13:51,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8bd983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:13:51, skipping insertion in model container [2020-10-12 11:13:51,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:51" (3/3) ... [2020-10-12 11:13:51,189 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label30.c [2020-10-12 11:13:51,199 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 11:13:51,208 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 11:13:51,223 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 11:13:51,249 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 11:13:51,249 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 11:13:51,249 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 11:13:51,249 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 11:13:51,250 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 11:13:51,250 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 11:13:51,250 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 11:13:51,250 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 11:13:51,278 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-12 11:13:51,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-12 11:13:51,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:51,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:51,295 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:51,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:51,302 INFO L82 PathProgramCache]: Analyzing trace with hash -375142418, now seen corresponding path program 1 times [2020-10-12 11:13:51,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:51,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [183156379] [2020-10-12 11:13:51,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:51,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:51,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:53,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:53,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 11:13:53,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:53,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1761 [2020-10-12 11:13:53,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:53,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 11:13:53,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:13:53,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:13:53,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 11:13:53,991 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2020-10-12 11:13:54,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:54,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:54,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:54,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:54,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:13:54,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:54,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:54,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:54,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:13:54,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:54,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:13:54,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [183156379] [2020-10-12 11:13:54,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 11:13:54,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 11:13:54,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657752364] [2020-10-12 11:13:54,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 11:13:54,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:54,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 11:13:54,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-12 11:13:54,461 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 11 states. [2020-10-12 11:13:55,214 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-10-12 11:13:55,438 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2020-10-12 11:13:55,970 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2020-10-12 11:13:56,357 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-10-12 11:13:57,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:57,173 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-12 11:13:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:13:57,176 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 134 [2020-10-12 11:13:57,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:57,192 INFO L225 Difference]: With dead ends: 536 [2020-10-12 11:13:57,192 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:13:57,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:13:57,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:13:57,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:13:57,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:13:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-12 11:13:57,312 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 134 [2020-10-12 11:13:57,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:57,313 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-12 11:13:57,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 11:13:57,314 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-12 11:13:57,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-12 11:13:57,326 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:57,326 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:57,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 11:13:57,327 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:57,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:57,327 INFO L82 PathProgramCache]: Analyzing trace with hash 19483679, now seen corresponding path program 1 times [2020-10-12 11:13:57,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:57,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871881824] [2020-10-12 11:13:57,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:57,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:57,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:57,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:58,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:58,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 11:13:58,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:58,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1292 [2020-10-12 11:13:58,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:58,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:13:58,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 11:13:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 11:13:58,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:59,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:59,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:59,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:59,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:59,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:59,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:13:59,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:59,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:59,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:59,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:59,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:59,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 11:13:59,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:59,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:13:59,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:59,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 11:13:59,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:59,188 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:13:59,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871881824] [2020-10-12 11:13:59,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:59,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:13:59,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869643178] [2020-10-12 11:13:59,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:13:59,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:59,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:13:59,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:59,193 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-12 11:14:01,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:01,115 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-12 11:14:01,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 11:14:01,116 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 143 [2020-10-12 11:14:01,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:01,121 INFO L225 Difference]: With dead ends: 549 [2020-10-12 11:14:01,123 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:14:01,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-12 11:14:01,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:14:01,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:14:01,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:14:01,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-12 11:14:01,159 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 143 [2020-10-12 11:14:01,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:01,165 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-12 11:14:01,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:01,166 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-12 11:14:01,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 11:14:01,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:01,171 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:01,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 11:14:01,172 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:01,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:01,172 INFO L82 PathProgramCache]: Analyzing trace with hash -93820777, now seen corresponding path program 1 times [2020-10-12 11:14:01,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:01,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334987418] [2020-10-12 11:14:01,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:01,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:01,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:01,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:02,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:02,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-12 11:14:02,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:02,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1531 [2020-10-12 11:14:02,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:02,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:14:02,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 11:14:02,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 11:14:02,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:03,378 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2020-10-12 11:14:03,604 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 45 [2020-10-12 11:14:03,785 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 41 [2020-10-12 11:14:03,957 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 37 [2020-10-12 11:14:04,123 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 32 [2020-10-12 11:14:04,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:04,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:04,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:04,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:04,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:04,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:14:04,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:04,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:04,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:04,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:04,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:04,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:04,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:04,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:04,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:14:04,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:04,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 11:14:04,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 11:14:04,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:04,451 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:14:04,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334987418] [2020-10-12 11:14:04,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:04,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:14:04,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898674762] [2020-10-12 11:14:04,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:04,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:04,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:04,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:04,454 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-12 11:14:04,664 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-12 11:14:04,811 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-12 11:14:05,213 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2020-10-12 11:14:05,523 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2020-10-12 11:14:06,085 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2020-10-12 11:14:06,554 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-10-12 11:14:07,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:07,160 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-12 11:14:07,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:14:07,162 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 147 [2020-10-12 11:14:07,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:07,169 INFO L225 Difference]: With dead ends: 554 [2020-10-12 11:14:07,169 INFO L226 Difference]: Without dead ends: 327 [2020-10-12 11:14:07,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:14:07,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-12 11:14:07,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-12 11:14:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:14:07,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-12 11:14:07,193 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 147 [2020-10-12 11:14:07,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:07,194 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-12 11:14:07,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:07,194 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-12 11:14:07,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-12 11:14:07,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:07,197 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:07,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 11:14:07,197 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:07,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:07,198 INFO L82 PathProgramCache]: Analyzing trace with hash 445705455, now seen corresponding path program 1 times [2020-10-12 11:14:07,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:07,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568929703] [2020-10-12 11:14:07,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:07,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:07,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:07,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:07,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-12 11:14:07,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:07,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 465 [2020-10-12 11:14:07,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:07,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:07,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:14:07,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 11:14:07,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:07,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:07,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:07,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:07,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:07,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:07,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:14:07,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:07,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:07,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:07,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:07,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:07,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:07,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:07,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:14:07,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:07,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:14:07,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:07,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:07,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:14:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:07,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:07,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:07,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:14:07,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:07,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 11:14:07,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:07,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:14:07,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:07,877 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 11:14:07,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568929703] [2020-10-12 11:14:07,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:07,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:14:07,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784163667] [2020-10-12 11:14:07,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:14:07,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:07,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:14:07,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:14:07,880 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-12 11:14:08,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:08,945 INFO L93 Difference]: Finished difference Result 785 states and 1015 transitions. [2020-10-12 11:14:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:14:08,946 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2020-10-12 11:14:08,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:08,958 INFO L225 Difference]: With dead ends: 785 [2020-10-12 11:14:08,958 INFO L226 Difference]: Without dead ends: 473 [2020-10-12 11:14:08,962 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 [2020-10-12 11:14:08,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-12 11:14:09,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 468. [2020-10-12 11:14:09,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-12 11:14:09,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 564 transitions. [2020-10-12 11:14:09,010 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 564 transitions. Word has length 169 [2020-10-12 11:14:09,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:09,012 INFO L479 AbstractCegarLoop]: Abstraction has 468 states and 564 transitions. [2020-10-12 11:14:09,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:14:09,012 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 564 transitions. [2020-10-12 11:14:09,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-12 11:14:09,015 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:09,015 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:09,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 11:14:09,016 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:09,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:09,016 INFO L82 PathProgramCache]: Analyzing trace with hash -151805330, now seen corresponding path program 1 times [2020-10-12 11:14:09,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:09,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519431833] [2020-10-12 11:14:09,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:09,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:09,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:09,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:10,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:10,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-12 11:14:10,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:10,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1388 [2020-10-12 11:14:10,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:14:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 11:14:10,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 11:14:10,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:10,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:10,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:10,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:10,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:10,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:10,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:14:10,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:10,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:10,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:10,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:10,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:10,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:10,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:10,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:10,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:14:10,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:10,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 11:14:10,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:10,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:10,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:10,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:14:10,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:11,229 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:14:11,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519431833] [2020-10-12 11:14:11,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:11,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:14:11,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699079683] [2020-10-12 11:14:11,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:11,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:11,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:11,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:11,233 INFO L87 Difference]: Start difference. First operand 468 states and 564 transitions. Second operand 12 states. [2020-10-12 11:14:13,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:13,151 INFO L93 Difference]: Finished difference Result 1023 states and 1288 transitions. [2020-10-12 11:14:13,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:14:13,152 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 168 [2020-10-12 11:14:13,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:13,156 INFO L225 Difference]: With dead ends: 1023 [2020-10-12 11:14:13,157 INFO L226 Difference]: Without dead ends: 551 [2020-10-12 11:14:13,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-12 11:14:13,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-10-12 11:14:13,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 544. [2020-10-12 11:14:13,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-10-12 11:14:13,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 644 transitions. [2020-10-12 11:14:13,181 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 644 transitions. Word has length 168 [2020-10-12 11:14:13,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:13,182 INFO L479 AbstractCegarLoop]: Abstraction has 544 states and 644 transitions. [2020-10-12 11:14:13,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:13,182 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 644 transitions. [2020-10-12 11:14:13,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-12 11:14:13,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:13,185 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:13,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 11:14:13,186 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:13,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:13,186 INFO L82 PathProgramCache]: Analyzing trace with hash 411611058, now seen corresponding path program 1 times [2020-10-12 11:14:13,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:13,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616395006] [2020-10-12 11:14:13,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:13,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:13,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:13,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:14,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:14,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 11:14:14,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:14,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1036 [2020-10-12 11:14:14,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:14,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:14,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-12 11:14:14,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-12 11:14:14,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:14,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:14,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:14,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:14,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:14,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:14,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:14:14,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:14,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:14,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:14,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:14,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:14,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:14,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:14,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:14,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:14:14,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:14,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:14:14,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:14,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:14,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:14,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:14:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:14,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:14,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:14,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:14:14,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:14,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:14:14,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:14,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:14,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:14,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:14,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:14,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 11:14:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:14,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:14,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:14,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:14:14,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:14,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 11:14:14,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:14,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:14,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 11:14:14,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 44 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-12 11:14:14,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616395006] [2020-10-12 11:14:14,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:14,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:14:14,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733787964] [2020-10-12 11:14:14,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:14:14,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:14,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:14:14,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:14:14,749 INFO L87 Difference]: Start difference. First operand 544 states and 644 transitions. Second operand 5 states. [2020-10-12 11:14:15,072 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-12 11:14:15,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:15,841 INFO L93 Difference]: Finished difference Result 1184 states and 1456 transitions. [2020-10-12 11:14:15,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:14:15,848 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2020-10-12 11:14:15,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:15,852 INFO L225 Difference]: With dead ends: 1184 [2020-10-12 11:14:15,852 INFO L226 Difference]: Without dead ends: 549 [2020-10-12 11:14:15,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:14:15,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-10-12 11:14:15,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 544. [2020-10-12 11:14:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-10-12 11:14:15,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 642 transitions. [2020-10-12 11:14:15,874 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 642 transitions. Word has length 184 [2020-10-12 11:14:15,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:15,874 INFO L479 AbstractCegarLoop]: Abstraction has 544 states and 642 transitions. [2020-10-12 11:14:15,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:14:15,874 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 642 transitions. [2020-10-12 11:14:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-12 11:14:15,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:15,878 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:15,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 11:14:15,878 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:15,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:15,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1883825476, now seen corresponding path program 1 times [2020-10-12 11:14:15,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:15,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462551091] [2020-10-12 11:14:15,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:15,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:16,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:16,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:17,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:17,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-12 11:14:17,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:17,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1508 [2020-10-12 11:14:17,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:17,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:14:17,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-12 11:14:17,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-12 11:14:17,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:17,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:17,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:17,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:17,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:17,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:17,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:14:17,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:17,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:17,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:17,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:17,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:17,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:17,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:17,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:17,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 11:14:17,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:17,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 11:14:17,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:17,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:17,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:17,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 11:14:17,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:18,053 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:14:18,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462551091] [2020-10-12 11:14:18,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:18,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:14:18,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863897800] [2020-10-12 11:14:18,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:18,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:18,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:18,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:18,057 INFO L87 Difference]: Start difference. First operand 544 states and 642 transitions. Second operand 12 states. [2020-10-12 11:14:20,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:20,054 INFO L93 Difference]: Finished difference Result 1186 states and 1453 transitions. [2020-10-12 11:14:20,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 11:14:20,054 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 185 [2020-10-12 11:14:20,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:20,058 INFO L225 Difference]: With dead ends: 1186 [2020-10-12 11:14:20,059 INFO L226 Difference]: Without dead ends: 648 [2020-10-12 11:14:20,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2020-10-12 11:14:20,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-10-12 11:14:20,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 627. [2020-10-12 11:14:20,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-10-12 11:14:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 731 transitions. [2020-10-12 11:14:20,082 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 731 transitions. Word has length 185 [2020-10-12 11:14:20,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:20,083 INFO L479 AbstractCegarLoop]: Abstraction has 627 states and 731 transitions. [2020-10-12 11:14:20,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:20,083 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 731 transitions. [2020-10-12 11:14:20,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-12 11:14:20,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:20,087 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:20,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 11:14:20,087 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:20,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:20,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1926675621, now seen corresponding path program 1 times [2020-10-12 11:14:20,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:20,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1321988603] [2020-10-12 11:14:20,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:20,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:20,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:21,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:22,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:22,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-12 11:14:22,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:22,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2170 [2020-10-12 11:14:22,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:14:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-12 11:14:22,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 11:14:22,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:22,788 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2020-10-12 11:14:23,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:23,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:23,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:23,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:23,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:14:23,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:23,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:23,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:23,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:23,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:23,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:14:23,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:23,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:14:23,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:23,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:23,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:23,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:23,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:23,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:14:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:23,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:23,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:23,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:14:23,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:23,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:14:23,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:23,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:23,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 11:14:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:23,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:23,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:23,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 11:14:23,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:23,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:14:23,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:23,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:23,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:23,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 11:14:23,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-12 11:14:23,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1321988603] [2020-10-12 11:14:23,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:23,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:14:23,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292663102] [2020-10-12 11:14:23,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:23,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:23,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:23,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:23,392 INFO L87 Difference]: Start difference. First operand 627 states and 731 transitions. Second operand 12 states. [2020-10-12 11:14:24,888 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2020-10-12 11:14:25,136 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2020-10-12 11:14:25,472 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 91 [2020-10-12 11:14:25,801 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 86 [2020-10-12 11:14:26,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:26,240 INFO L93 Difference]: Finished difference Result 1333 states and 1616 transitions. [2020-10-12 11:14:26,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:14:26,241 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 192 [2020-10-12 11:14:26,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:26,245 INFO L225 Difference]: With dead ends: 1333 [2020-10-12 11:14:26,245 INFO L226 Difference]: Without dead ends: 712 [2020-10-12 11:14:26,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:14:26,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2020-10-12 11:14:26,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 709. [2020-10-12 11:14:26,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2020-10-12 11:14:26,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 822 transitions. [2020-10-12 11:14:26,280 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 822 transitions. Word has length 192 [2020-10-12 11:14:26,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:26,281 INFO L479 AbstractCegarLoop]: Abstraction has 709 states and 822 transitions. [2020-10-12 11:14:26,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:26,281 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 822 transitions. [2020-10-12 11:14:26,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-12 11:14:26,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:26,285 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:26,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 11:14:26,285 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:26,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:26,286 INFO L82 PathProgramCache]: Analyzing trace with hash 316111320, now seen corresponding path program 1 times [2020-10-12 11:14:26,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:26,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003545825] [2020-10-12 11:14:26,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:26,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:26,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:27,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:27,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:27,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-12 11:14:27,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:27,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1375 [2020-10-12 11:14:27,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:14:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-12 11:14:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 11:14:27,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:28,133 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2020-10-12 11:14:28,293 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2020-10-12 11:14:28,446 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2020-10-12 11:14:28,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:28,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:28,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:28,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:28,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:28,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:14:28,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:28,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:28,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:28,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:28,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:28,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:28,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:28,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 11:14:28,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:28,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 11:14:28,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:28,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 11:14:28,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:29,140 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:14:29,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003545825] [2020-10-12 11:14:29,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:29,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:14:29,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536764663] [2020-10-12 11:14:29,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:29,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:29,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:29,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:29,143 INFO L87 Difference]: Start difference. First operand 709 states and 822 transitions. Second operand 12 states. [2020-10-12 11:14:29,668 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-10-12 11:14:30,212 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2020-10-12 11:14:30,448 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-10-12 11:14:30,987 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-10-12 11:14:31,217 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-10-12 11:14:31,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:31,632 INFO L93 Difference]: Finished difference Result 1500 states and 1797 transitions. [2020-10-12 11:14:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:14:31,632 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 191 [2020-10-12 11:14:31,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:31,637 INFO L225 Difference]: With dead ends: 1500 [2020-10-12 11:14:31,637 INFO L226 Difference]: Without dead ends: 797 [2020-10-12 11:14:31,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:14:31,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2020-10-12 11:14:31,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 788. [2020-10-12 11:14:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 788 states. [2020-10-12 11:14:31,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 907 transitions. [2020-10-12 11:14:31,666 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 907 transitions. Word has length 191 [2020-10-12 11:14:31,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:31,666 INFO L479 AbstractCegarLoop]: Abstraction has 788 states and 907 transitions. [2020-10-12 11:14:31,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 907 transitions. [2020-10-12 11:14:31,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-12 11:14:31,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:31,671 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:31,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 11:14:31,671 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:31,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:31,672 INFO L82 PathProgramCache]: Analyzing trace with hash 548796191, now seen corresponding path program 1 times [2020-10-12 11:14:31,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:31,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762737907] [2020-10-12 11:14:31,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:31,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:31,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:32,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:32,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:32,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:32,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-12 11:14:32,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:14:32,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1193 [2020-10-12 11:14:32,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:14:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:14:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-12 11:14:32,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:32,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:32,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:32,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:32,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:32,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:32,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:14:32,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:32,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:32,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:32,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:32,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:32,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:32,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:32,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:33,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:14:33,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:33,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:14:33,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:33,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:33,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:33,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:33,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:33,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:14:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:33,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:33,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:33,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:14:33,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:33,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:14:33,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:33,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:14:33,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:33,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 11:14:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:33,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:33,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:33,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:33,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 11:14:33,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:33,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-12 11:14:33,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:33,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 11:14:33,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 95 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 11:14:33,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762737907] [2020-10-12 11:14:33,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:33,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:14:33,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894593930] [2020-10-12 11:14:33,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:14:33,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:33,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:14:33,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:14:33,251 INFO L87 Difference]: Start difference. First operand 788 states and 907 transitions. Second operand 6 states. [2020-10-12 11:14:34,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:34,418 INFO L93 Difference]: Finished difference Result 1897 states and 2285 transitions. [2020-10-12 11:14:34,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 11:14:34,425 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 211 [2020-10-12 11:14:34,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:34,433 INFO L225 Difference]: With dead ends: 1897 [2020-10-12 11:14:34,433 INFO L226 Difference]: Without dead ends: 967 [2020-10-12 11:14:34,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:14:34,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2020-10-12 11:14:34,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 938. [2020-10-12 11:14:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2020-10-12 11:14:34,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1067 transitions. [2020-10-12 11:14:34,470 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1067 transitions. Word has length 211 [2020-10-12 11:14:34,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:34,470 INFO L479 AbstractCegarLoop]: Abstraction has 938 states and 1067 transitions. [2020-10-12 11:14:34,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:14:34,470 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1067 transitions. [2020-10-12 11:14:34,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 11:14:34,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:34,475 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:34,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 11:14:34,475 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:34,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:34,476 INFO L82 PathProgramCache]: Analyzing trace with hash -664508167, now seen corresponding path program 1 times [2020-10-12 11:14:34,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:34,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1645065964] [2020-10-12 11:14:34,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:34,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:34,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:34,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:34,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:35,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:37,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:37,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:37,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:38,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-12 11:14:38,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 11:14:38,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3715 [2020-10-12 11:14:38,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:38,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:14:38,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:14:38,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 226 [2020-10-12 11:14:38,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:38,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:38,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:38,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:38,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:38,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:14:38,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:38,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:14:38,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:38,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:38,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:38,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:14:38,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:38,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 11:14:38,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:38,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:38,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:38,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:14:38,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:38,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:14:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:38,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:38,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:14:38,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:38,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:14:38,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:38,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:38,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:14:38,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:38,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:14:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:38,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:38,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 11:14:38,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:38,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 11:14:38,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:38,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:38,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:38,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 11:14:38,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:38,713 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 36 proven. 62 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-12 11:14:38,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1645065964] [2020-10-12 11:14:38,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:38,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:14:38,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109535644] [2020-10-12 11:14:38,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:14:38,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:38,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:14:38,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:14:38,718 INFO L87 Difference]: Start difference. First operand 938 states and 1067 transitions. Second operand 7 states. [2020-10-12 11:14:39,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:39,776 INFO L93 Difference]: Finished difference Result 2352 states and 2800 transitions. [2020-10-12 11:14:39,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:14:39,777 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 218 [2020-10-12 11:14:39,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:39,784 INFO L225 Difference]: With dead ends: 2352 [2020-10-12 11:14:39,784 INFO L226 Difference]: Without dead ends: 1275 [2020-10-12 11:14:39,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2020-10-12 11:14:39,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2020-10-12 11:14:39,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1092. [2020-10-12 11:14:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1092 states. [2020-10-12 11:14:39,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1274 transitions. [2020-10-12 11:14:39,849 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1274 transitions. Word has length 218 [2020-10-12 11:14:39,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:39,849 INFO L479 AbstractCegarLoop]: Abstraction has 1092 states and 1274 transitions. [2020-10-12 11:14:39,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:14:39,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1274 transitions. [2020-10-12 11:14:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-12 11:14:39,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:39,857 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 11:14:39,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 11:14:39,857 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:39,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:39,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1626603829, now seen corresponding path program 1 times [2020-10-12 11:14:39,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:39,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1565688921] [2020-10-12 11:14:39,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:39,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:39,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:40,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:40,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:40,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:40,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:40,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:42,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:43,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:43,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-12 11:14:43,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 11:14:43,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3601 [2020-10-12 11:14:43,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:43,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:14:43,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:14:43,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-12 11:14:43,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:43,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:43,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:43,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:43,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:43,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:43,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:14:43,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:43,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:43,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:43,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:14:43,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:43,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:43,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:43,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:43,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:43,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:14:43,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:43,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 11:14:43,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:14:43,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:43,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:14:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:43,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:43,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:43,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:43,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:14:43,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:43,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:14:43,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:14:43,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:43,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:14:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:43,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:43,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:43,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-12 11:14:43,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 11:14:43,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 11:14:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:43,753 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 11:14:43,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1565688921] [2020-10-12 11:14:43,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:43,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 11:14:43,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153392191] [2020-10-12 11:14:43,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 11:14:43,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:43,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 11:14:43,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-12 11:14:43,756 INFO L87 Difference]: Start difference. First operand 1092 states and 1274 transitions. Second operand 9 states. [2020-10-12 11:14:45,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:45,137 INFO L93 Difference]: Finished difference Result 2676 states and 3343 transitions. [2020-10-12 11:14:45,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 11:14:45,137 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 234 [2020-10-12 11:14:45,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:45,144 INFO L225 Difference]: With dead ends: 2676 [2020-10-12 11:14:45,144 INFO L226 Difference]: Without dead ends: 1301 [2020-10-12 11:14:45,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-12 11:14:45,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2020-10-12 11:14:45,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 1263. [2020-10-12 11:14:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1263 states. [2020-10-12 11:14:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1474 transitions. [2020-10-12 11:14:45,189 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1474 transitions. Word has length 234 [2020-10-12 11:14:45,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:45,189 INFO L479 AbstractCegarLoop]: Abstraction has 1263 states and 1474 transitions. [2020-10-12 11:14:45,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 11:14:45,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1474 transitions. [2020-10-12 11:14:45,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-10-12 11:14:45,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:45,196 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, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:45,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 11:14:45,196 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:45,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:45,197 INFO L82 PathProgramCache]: Analyzing trace with hash 673892424, now seen corresponding path program 1 times [2020-10-12 11:14:45,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:45,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923383201] [2020-10-12 11:14:45,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:45,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:45,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:45,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:45,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:45,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:45,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:46,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:48,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:48,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 312 [2020-10-12 11:14:48,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 11:14:48,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2782 [2020-10-12 11:14:48,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:48,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 11:14:48,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-12 11:14:48,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-12 11:14:48,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:48,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:48,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:48,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:48,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:48,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:48,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:14:48,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:48,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:48,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:48,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:48,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:14:48,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:48,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:14:48,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:48,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:48,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:14:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:48,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:48,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:48,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 11:14:48,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:48,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:14:48,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:48,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:48,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 11:14:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:48,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:48,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:48,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-12 11:14:48,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:48,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 11:14:48,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:48,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 11:14:48,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:48,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 11:14:48,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:48,561 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 156 proven. 3 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-12 11:14:48,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923383201] [2020-10-12 11:14:48,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:48,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:14:48,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818879626] [2020-10-12 11:14:48,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 11:14:48,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:48,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 11:14:48,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:14:48,563 INFO L87 Difference]: Start difference. First operand 1263 states and 1474 transitions. Second operand 6 states. [2020-10-12 11:14:49,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:49,568 INFO L93 Difference]: Finished difference Result 2477 states and 2905 transitions. [2020-10-12 11:14:49,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:14:49,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 298 [2020-10-12 11:14:49,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:49,575 INFO L225 Difference]: With dead ends: 2477 [2020-10-12 11:14:49,576 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 11:14:49,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:14:49,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 11:14:49,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 11:14:49,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 11:14:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 11:14:49,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 298 [2020-10-12 11:14:49,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:49,582 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 11:14:49,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 11:14:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 11:14:49,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 11:14:49,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 11:14:49,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 11:14:50,656 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 111 [2020-10-12 11:14:51,009 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 50 [2020-10-12 11:14:51,724 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 59 [2020-10-12 11:14:51,921 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 48 [2020-10-12 11:14:52,067 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 48 [2020-10-12 11:14:52,071 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:14:52,072 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-12 11:14:52,072 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:14:52,072 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,072 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,072 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,072 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,072 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,072 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-12 11:14:52,073 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-12 11:14:52,073 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-12 11:14:52,073 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-12 11:14:52,073 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-12 11:14:52,073 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-12 11:14:52,073 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-12 11:14:52,073 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-12 11:14:52,073 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-12 11:14:52,073 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-12 11:14:52,074 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:14:52,074 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:14:52,074 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-12 11:14:52,074 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,074 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,074 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,074 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,074 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-12 11:14:52,074 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,074 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-12 11:14:52,075 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-12 11:14:52,075 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-12 11:14:52,075 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-12 11:14:52,075 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-12 11:14:52,075 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-12 11:14:52,075 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-12 11:14:52,075 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:14:52,075 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:14:52,075 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-12 11:14:52,075 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-12 11:14:52,076 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-12 11:14:52,076 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:14:52,076 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:14:52,076 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-12 11:14:52,076 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,076 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,076 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,076 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,076 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,077 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 556) no Hoare annotation was computed. [2020-10-12 11:14:52,077 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:14:52,077 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-12 11:14:52,077 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:14:52,077 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-12 11:14:52,077 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-12 11:14:52,077 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-12 11:14:52,077 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-12 11:14:52,077 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-12 11:14:52,078 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-12 11:14:52,078 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-12 11:14:52,078 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-12 11:14:52,078 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,078 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,078 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,078 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,078 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,078 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-12 11:14:52,079 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-12 11:14:52,079 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-12 11:14:52,079 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-12 11:14:52,079 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-12 11:14:52,079 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-12 11:14:52,079 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-12 11:14:52,079 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-12 11:14:52,079 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-12 11:14:52,079 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-12 11:14:52,080 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-12 11:14:52,080 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-12 11:14:52,080 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-12 11:14:52,080 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,080 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,080 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,080 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,080 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,080 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-12 11:14:52,081 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-12 11:14:52,081 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-12 11:14:52,081 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-12 11:14:52,081 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-12 11:14:52,081 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-12 11:14:52,081 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-12 11:14:52,081 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-12 11:14:52,081 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-12 11:14:52,081 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-12 11:14:52,082 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-12 11:14:52,082 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-12 11:14:52,082 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-12 11:14:52,082 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:14:52,082 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-12 11:14:52,082 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:14:52,082 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,082 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,082 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,083 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,083 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-12 11:14:52,083 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,083 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:14:52,083 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,083 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:14:52,083 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:14:52,083 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:14:52,083 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,083 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,083 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-12 11:14:52,084 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-12 11:14:52,084 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-12 11:14:52,084 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-12 11:14:52,084 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-12 11:14:52,084 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-12 11:14:52,084 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-12 11:14:52,084 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-12 11:14:52,084 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-12 11:14:52,084 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-12 11:14:52,084 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-12 11:14:52,085 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,085 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,085 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,085 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,085 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,085 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,085 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-12 11:14:52,085 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-12 11:14:52,085 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-12 11:14:52,085 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-12 11:14:52,085 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-12 11:14:52,086 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-12 11:14:52,086 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-12 11:14:52,086 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-12 11:14:52,086 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-12 11:14:52,086 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-12 11:14:52,086 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-12 11:14:52,086 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,086 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,086 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,086 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,086 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,087 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,087 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-12 11:14:52,087 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-12 11:14:52,087 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-12 11:14:52,087 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-12 11:14:52,087 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-12 11:14:52,087 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-12 11:14:52,087 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-12 11:14:52,087 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-12 11:14:52,087 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-12 11:14:52,088 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-12 11:14:52,088 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-12 11:14:52,088 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-12 11:14:52,088 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-12 11:14:52,088 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-12 11:14:52,088 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,088 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,088 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,089 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse12 (= ~a28~0 |old(~a28~0)|)) (.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse11 (= ~a25~0 |old(~a25~0)|)) (.cse8 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse12 .cse7 .cse11 (= ~a17~0 8) .cse8)) (.cse1 (not (= 8 |old(~a17~0)|))) (.cse5 (not (= |old(~a19~0)| 1))) (.cse9 (and .cse12 .cse10 .cse7 .cse11 .cse8)) (.cse2 (not (= ~a21~0 1))) (.cse3 (not (= 10 |old(~a28~0)|))) (.cse4 (and .cse10 .cse7 .cse11 .cse8 (= ~a28~0 10))) (.cse6 (not (= |old(~a11~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6) (or (not (= 7 |old(~a17~0)|)) (not (= |old(~a19~0)| |old(~a25~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 9 |old(~a28~0)|)) .cse2 (and (= 7 ~a17~0) .cse7 (= ~a28~0 9) (= ~a25~0 ~a19~0) .cse8) (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse9 .cse2 .cse6) (or .cse5 .cse9 .cse2) (or .cse3 .cse4 .cse6)))) [2020-10-12 11:14:52,089 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,089 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,089 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,089 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-12 11:14:52,089 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-12 11:14:52,089 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-12 11:14:52,090 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-12 11:14:52,090 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-12 11:14:52,090 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-12 11:14:52,090 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-12 11:14:52,090 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-12 11:14:52,090 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-12 11:14:52,090 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-12 11:14:52,090 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-12 11:14:52,090 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-12 11:14:52,091 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-12 11:14:52,091 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,091 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,091 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,091 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,091 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,091 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,091 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-12 11:14:52,091 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-12 11:14:52,091 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-12 11:14:52,092 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-12 11:14:52,092 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-12 11:14:52,092 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-12 11:14:52,092 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-12 11:14:52,092 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-12 11:14:52,092 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-12 11:14:52,092 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-12 11:14:52,092 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-12 11:14:52,092 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:14:52,092 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:14:52,093 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-12 11:14:52,093 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-12 11:14:52,093 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-12 11:14:52,093 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,093 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,093 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,093 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,093 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:52,093 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-12 11:14:52,094 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-12 11:14:52,094 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-12 11:14:52,094 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-12 11:14:52,094 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-12 11:14:52,094 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-12 11:14:52,094 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-12 11:14:52,094 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-12 11:14:52,094 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-12 11:14:52,094 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-12 11:14:52,094 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-12 11:14:52,095 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:14:52,095 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-12 11:14:52,095 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:14:52,095 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-12 11:14:52,095 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:14:52,095 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:14:52,095 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-12 11:14:52,095 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-12 11:14:52,095 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:14:52,096 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (= ~a11~0 0)) [2020-10-12 11:14:52,096 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 11:14:52,096 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:14:52,096 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|))) [2020-10-12 11:14:52,096 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1)) (.cse1 (= ~a28~0 10))) (or (and .cse0 .cse1) (not (= |old(~a19~0)| 1)) (and (<= ~a11~0 0) (<= 11 ~a28~0) (<= 7 ~a17~0) (<= ~a28~0 11) (<= 1 ~a25~0) (<= ~a19~0 1) (<= ~a25~0 1) (<= ~a17~0 7) (<= 1 ~a19~0)) (not (= 0 |old(~a11~0)|)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse0) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (and (= ~a19~0 1) .cse1) (not (= 7 |old(~a28~0)|)))) [2020-10-12 11:14:52,096 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:14:52,096 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:14:52,097 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1)) (.cse1 (= ~a28~0 10))) (or (and .cse0 .cse1) (not (= |old(~a19~0)| 1)) (and (<= ~a11~0 0) (<= 11 ~a28~0) (<= 7 ~a17~0) (<= ~a28~0 11) (<= 1 ~a25~0) (<= ~a19~0 1) (<= ~a25~0 1) (<= ~a17~0 7) (<= 1 ~a19~0)) (not (= 0 |old(~a11~0)|)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse0) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (and (= ~a19~0 1) .cse1) (not (= 7 |old(~a28~0)|)))) [2020-10-12 11:14:52,097 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-12 11:14:52,097 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-12 11:14:52,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:14:52 BoogieIcfgContainer [2020-10-12 11:14:52,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 11:14:52,121 INFO L168 Benchmark]: Toolchain (without parser) took 63104.70 ms. Allocated memory was 140.0 MB in the beginning and 928.5 MB in the end (delta: 788.5 MB). Free memory was 101.4 MB in the beginning and 112.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 777.9 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:52,122 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-12 11:14:52,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.63 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 172.0 MB in the end (delta: -71.0 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:52,123 INFO L168 Benchmark]: Boogie Preprocessor took 101.46 ms. Allocated memory is still 205.0 MB. Free memory was 172.0 MB in the beginning and 166.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:52,123 INFO L168 Benchmark]: RCFGBuilder took 1325.69 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 166.9 MB in the beginning and 182.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:52,124 INFO L168 Benchmark]: TraceAbstraction took 60937.95 ms. Allocated memory was 238.6 MB in the beginning and 928.5 MB in the end (delta: 690.0 MB). Free memory was 182.7 MB in the beginning and 112.1 MB in the end (delta: 70.7 MB). Peak memory consumption was 760.6 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:52,127 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.63 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 172.0 MB in the end (delta: -71.0 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.46 ms. Allocated memory is still 205.0 MB. Free memory was 172.0 MB in the beginning and 166.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1325.69 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 166.9 MB in the beginning and 182.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 60937.95 ms. Allocated memory was 238.6 MB in the beginning and 928.5 MB in the end (delta: 690.0 MB). Free memory was 182.7 MB in the beginning and 112.1 MB in the end (delta: 70.7 MB). Peak memory consumption was 760.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 556]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((a11 == 1 && a28 == 10) || !(\old(a19) == 1)) || ((((((((a11 <= 0 && 11 <= a28) && 7 <= a17) && a28 <= 11) && 1 <= a25) && a19 <= 1) && a25 <= 1) && a17 <= 7) && 1 <= a19)) || !(0 == \old(a11))) || a17 == 8) || !(8 == \old(a17))) || (a17 <= \old(a17) && a11 == 1)) || !(0 == \old(a25))) || !(a21 == 1)) || (a19 == 1 && a28 == 10)) || !(7 == \old(a28)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 58.3s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 23.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 485 SDtfs, 5132 SDslu, 721 SDs, 0 SdLazy, 11041 SolverSat, 1282 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 102 SyntacticMatches, 5 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1263occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 315 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 99 PreInvPairs, 140 NumberOfFragments, 459 HoareAnnotationTreeSize, 99 FomulaSimplifications, 1947000 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2164 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 31.4s InterpolantComputationTime, 2474 NumberOfCodeBlocks, 2474 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2461 ConstructedInterpolants, 0 QuantifiedInterpolants, 5295293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 909/1027 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...