/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/Problem11_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 02:32:15,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 02:32:15,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 02:32:15,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 02:32:15,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 02:32:15,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 02:32:15,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 02:32:15,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 02:32:15,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 02:32:15,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 02:32:15,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 02:32:15,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 02:32:15,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 02:32:15,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 02:32:15,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 02:32:15,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 02:32:15,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 02:32:15,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 02:32:15,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 02:32:15,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 02:32:15,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 02:32:15,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 02:32:15,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 02:32:15,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 02:32:15,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 02:32:15,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 02:32:15,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 02:32:15,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 02:32:15,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 02:32:15,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 02:32:15,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 02:32:15,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 02:32:15,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 02:32:15,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 02:32:15,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 02:32:15,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 02:32:15,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 02:32:15,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 02:32:15,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 02:32:15,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 02:32:15,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 02:32:15,663 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 [2020-10-14 02:32:15,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 02:32:15,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 02:32:15,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 02:32:15,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 02:32:15,713 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 02:32:15,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 02:32:15,713 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 02:32:15,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 02:32:15,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 02:32:15,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 02:32:15,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 02:32:15,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 02:32:15,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 02:32:15,716 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 02:32:15,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 02:32:15,716 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 02:32:15,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 02:32:15,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 02:32:15,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 02:32:15,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 02:32:15,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 02:32:15,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:32:15,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 02:32:15,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 02:32:15,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 02:32:15,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 02:32:15,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 02:32:15,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 02:32:15,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 02:32:15,721 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 02:32:16,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 02:32:16,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 02:32:16,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 02:32:16,041 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 02:32:16,041 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 02:32:16,042 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label01.c [2020-10-14 02:32:16,104 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9c3485d7/ea92e071010941ea90f7616380e8380c/FLAG602d5c2c0 [2020-10-14 02:32:16,662 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 02:32:16,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label01.c [2020-10-14 02:32:16,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9c3485d7/ea92e071010941ea90f7616380e8380c/FLAG602d5c2c0 [2020-10-14 02:32:16,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9c3485d7/ea92e071010941ea90f7616380e8380c [2020-10-14 02:32:16,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 02:32:16,911 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 02:32:16,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 02:32:16,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 02:32:16,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 02:32:16,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:32:16" (1/1) ... [2020-10-14 02:32:16,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e9488dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:16, skipping insertion in model container [2020-10-14 02:32:16,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:32:16" (1/1) ... [2020-10-14 02:32:16,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 02:32:16,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 02:32:17,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:32:17,721 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 02:32:17,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:32:17,930 INFO L208 MainTranslator]: Completed translation [2020-10-14 02:32:17,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:17 WrapperNode [2020-10-14 02:32:17,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 02:32:17,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 02:32:17,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 02:32:17,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 02:32:17,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:17" (1/1) ... [2020-10-14 02:32:17,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:17" (1/1) ... [2020-10-14 02:32:17,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:17" (1/1) ... [2020-10-14 02:32:18,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:17" (1/1) ... [2020-10-14 02:32:18,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:17" (1/1) ... [2020-10-14 02:32:18,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:17" (1/1) ... [2020-10-14 02:32:18,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:17" (1/1) ... [2020-10-14 02:32:18,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 02:32:18,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 02:32:18,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 02:32:18,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 02:32:18,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:17" (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 [2020-10-14 02:32:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 02:32:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 02:32:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 02:32:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 02:32:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 02:32:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 02:32:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 02:32:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 02:32:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 02:32:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 02:32:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 02:32:19,955 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 02:32:19,956 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 02:32:19,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:32:19 BoogieIcfgContainer [2020-10-14 02:32:19,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 02:32:19,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 02:32:19,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 02:32:19,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 02:32:19,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:32:16" (1/3) ... [2020-10-14 02:32:19,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423b90d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:32:19, skipping insertion in model container [2020-10-14 02:32:19,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:32:17" (2/3) ... [2020-10-14 02:32:19,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423b90d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:32:19, skipping insertion in model container [2020-10-14 02:32:19,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:32:19" (3/3) ... [2020-10-14 02:32:19,974 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label01.c [2020-10-14 02:32:19,985 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 02:32:19,997 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 02:32:20,012 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 02:32:20,051 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 02:32:20,051 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 02:32:20,051 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 02:32:20,056 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 02:32:20,056 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 02:32:20,057 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 02:32:20,057 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 02:32:20,057 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 02:32:20,121 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 02:32:20,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-14 02:32:20,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:20,132 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] [2020-10-14 02:32:20,133 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:20,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:20,138 INFO L82 PathProgramCache]: Analyzing trace with hash 155474906, now seen corresponding path program 1 times [2020-10-14 02:32:20,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:20,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205933528] [2020-10-14 02:32:20,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:20,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:20,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:20,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 02:32:20,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:20,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 439 [2020-10-14 02:32:20,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:20,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:20,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:32:20,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:32:20,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 02:32:20,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:32:20,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:20,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:20,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:20,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:20,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:20,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 02:32:20,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:20,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:20,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:20,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:32:20,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:32:20,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205933528] [2020-10-14 02:32:20,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:32:20,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 02:32:20,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876897109] [2020-10-14 02:32:20,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 02:32:20,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:20,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 02:32:20,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 02:32:20,999 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 02:32:23,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:23,309 INFO L93 Difference]: Finished difference Result 791 states and 1386 transitions. [2020-10-14 02:32:23,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:32:23,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2020-10-14 02:32:23,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:23,351 INFO L225 Difference]: With dead ends: 791 [2020-10-14 02:32:23,351 INFO L226 Difference]: Without dead ends: 434 [2020-10-14 02:32:23,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:32:23,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-14 02:32:23,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2020-10-14 02:32:23,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-14 02:32:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 618 transitions. [2020-10-14 02:32:23,441 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 618 transitions. Word has length 63 [2020-10-14 02:32:23,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:23,442 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 618 transitions. [2020-10-14 02:32:23,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 02:32:23,442 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 618 transitions. [2020-10-14 02:32:23,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 02:32:23,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:23,449 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, 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] [2020-10-14 02:32:23,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 02:32:23,450 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:23,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:23,450 INFO L82 PathProgramCache]: Analyzing trace with hash -578347046, now seen corresponding path program 1 times [2020-10-14 02:32:23,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:23,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994979787] [2020-10-14 02:32:23,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:23,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:23,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:24,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:25,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:25,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 02:32:25,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:32:25,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1811 [2020-10-14 02:32:25,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:25,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 02:32:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 02:32:25,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:32:25,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:25,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:25,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:25,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:25,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:25,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 02:32:25,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:25,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:25,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:25,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:25,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:25,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:32:25,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:25,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:25,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:25,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 02:32:25,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:25,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 02:32:25,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:25,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 02:32:25,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:32:25,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994979787] [2020-10-14 02:32:25,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:25,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:32:25,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998972070] [2020-10-14 02:32:25,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:32:25,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:25,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:32:25,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:32:25,639 INFO L87 Difference]: Start difference. First operand 430 states and 618 transitions. Second operand 5 states. [2020-10-14 02:32:27,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:27,779 INFO L93 Difference]: Finished difference Result 1258 states and 1832 transitions. [2020-10-14 02:32:27,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:32:27,780 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-10-14 02:32:27,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:27,789 INFO L225 Difference]: With dead ends: 1258 [2020-10-14 02:32:27,789 INFO L226 Difference]: Without dead ends: 834 [2020-10-14 02:32:27,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:32:27,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-10-14 02:32:27,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 818. [2020-10-14 02:32:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-10-14 02:32:27,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1096 transitions. [2020-10-14 02:32:27,867 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1096 transitions. Word has length 135 [2020-10-14 02:32:27,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:27,872 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 1096 transitions. [2020-10-14 02:32:27,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:32:27,872 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1096 transitions. [2020-10-14 02:32:27,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-14 02:32:27,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:27,878 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, 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] [2020-10-14 02:32:27,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 02:32:27,879 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:27,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:27,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1591482302, now seen corresponding path program 1 times [2020-10-14 02:32:27,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:27,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253168276] [2020-10-14 02:32:27,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:27,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:28,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:28,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:29,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:29,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-14 02:32:29,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:32:29,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1899 [2020-10-14 02:32:29,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:29,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:29,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:29,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 02:32:29,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 02:32:29,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:29,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:29,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:29,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:29,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:29,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:29,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 02:32:29,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:29,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:29,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:29,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:29,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:29,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:29,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:30,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:30,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:30,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 02:32:30,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:30,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-14 02:32:30,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:30,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:30,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:30,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:30,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 02:32:30,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:30,192 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:32:30,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1253168276] [2020-10-14 02:32:30,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:30,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:32:30,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881216855] [2020-10-14 02:32:30,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:32:30,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:30,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:32:30,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:32:30,195 INFO L87 Difference]: Start difference. First operand 818 states and 1096 transitions. Second operand 5 states. [2020-10-14 02:32:32,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:32,580 INFO L93 Difference]: Finished difference Result 2405 states and 3272 transitions. [2020-10-14 02:32:32,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:32:32,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-10-14 02:32:32,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:32,593 INFO L225 Difference]: With dead ends: 2405 [2020-10-14 02:32:32,593 INFO L226 Difference]: Without dead ends: 1593 [2020-10-14 02:32:32,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:32:32,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2020-10-14 02:32:32,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1585. [2020-10-14 02:32:32,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1585 states. [2020-10-14 02:32:32,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2025 transitions. [2020-10-14 02:32:32,645 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 2025 transitions. Word has length 137 [2020-10-14 02:32:32,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:32,646 INFO L479 AbstractCegarLoop]: Abstraction has 1585 states and 2025 transitions. [2020-10-14 02:32:32,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:32:32,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2025 transitions. [2020-10-14 02:32:32,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-14 02:32:32,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:32,649 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:32:32,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 02:32:32,650 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:32,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:32,650 INFO L82 PathProgramCache]: Analyzing trace with hash -313553046, now seen corresponding path program 1 times [2020-10-14 02:32:32,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:32,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555288885] [2020-10-14 02:32:32,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:32,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:32,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:33,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:33,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:33,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 02:32:33,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:32:33,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1046 [2020-10-14 02:32:33,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:33,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:33,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:33,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 02:32:33,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 02:32:33,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:33,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:33,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:33,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:33,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:33,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:33,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:32:33,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:33,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:33,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:33,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:33,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:33,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:33,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:33,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:33,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:33,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 02:32:33,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:33,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 02:32:33,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:33,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 02:32:33,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:32:33,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555288885] [2020-10-14 02:32:33,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:33,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:32:33,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729249726] [2020-10-14 02:32:33,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:32:33,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:33,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:32:33,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:32:33,948 INFO L87 Difference]: Start difference. First operand 1585 states and 2025 transitions. Second operand 5 states. [2020-10-14 02:32:36,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:36,476 INFO L93 Difference]: Finished difference Result 3746 states and 4922 transitions. [2020-10-14 02:32:36,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:32:36,479 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-10-14 02:32:36,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:36,492 INFO L225 Difference]: With dead ends: 3746 [2020-10-14 02:32:36,493 INFO L226 Difference]: Without dead ends: 2167 [2020-10-14 02:32:36,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:32:36,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2020-10-14 02:32:36,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 2159. [2020-10-14 02:32:36,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2159 states. [2020-10-14 02:32:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 2810 transitions. [2020-10-14 02:32:36,571 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 2810 transitions. Word has length 143 [2020-10-14 02:32:36,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:36,571 INFO L479 AbstractCegarLoop]: Abstraction has 2159 states and 2810 transitions. [2020-10-14 02:32:36,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:32:36,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2810 transitions. [2020-10-14 02:32:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-14 02:32:36,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:36,575 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, 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] [2020-10-14 02:32:36,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 02:32:36,576 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:36,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:36,576 INFO L82 PathProgramCache]: Analyzing trace with hash 2006179606, now seen corresponding path program 1 times [2020-10-14 02:32:36,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:36,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933763120] [2020-10-14 02:32:36,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:36,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:36,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:37,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:37,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-14 02:32:37,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:32:37,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 765 [2020-10-14 02:32:37,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:37,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:37,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:37,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 02:32:37,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 02:32:37,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:37,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:37,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:37,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:37,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:37,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:37,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:32:37,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:37,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:37,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:37,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:37,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:37,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:37,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:37,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:37,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:37,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 02:32:37,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:37,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 02:32:37,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:37,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:37,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:37,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:37,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 02:32:37,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 02:32:37,596 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:32:37,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933763120] [2020-10-14 02:32:37,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:37,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:32:37,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157378329] [2020-10-14 02:32:37,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:32:37,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:37,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:32:37,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:32:37,601 INFO L87 Difference]: Start difference. First operand 2159 states and 2810 transitions. Second operand 5 states. [2020-10-14 02:32:39,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:39,875 INFO L93 Difference]: Finished difference Result 5471 states and 7309 transitions. [2020-10-14 02:32:39,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:32:39,877 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-10-14 02:32:39,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:39,895 INFO L225 Difference]: With dead ends: 5471 [2020-10-14 02:32:39,895 INFO L226 Difference]: Without dead ends: 3318 [2020-10-14 02:32:39,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:32:39,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3318 states. [2020-10-14 02:32:39,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3318 to 3304. [2020-10-14 02:32:39,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3304 states. [2020-10-14 02:32:39,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4220 transitions. [2020-10-14 02:32:39,995 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4220 transitions. Word has length 149 [2020-10-14 02:32:39,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:39,996 INFO L479 AbstractCegarLoop]: Abstraction has 3304 states and 4220 transitions. [2020-10-14 02:32:39,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:32:39,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4220 transitions. [2020-10-14 02:32:40,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-14 02:32:40,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:40,000 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, 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] [2020-10-14 02:32:40,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 02:32:40,001 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:40,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:40,001 INFO L82 PathProgramCache]: Analyzing trace with hash 887287462, now seen corresponding path program 1 times [2020-10-14 02:32:40,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:40,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [809835294] [2020-10-14 02:32:40,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:40,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:40,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:41,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:41,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 02:32:41,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:32:41,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1201 [2020-10-14 02:32:41,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:41,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-14 02:32:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 02:32:41,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:41,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:41,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:41,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:41,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:41,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:41,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:32:41,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:41,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:41,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:41,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:41,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:41,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:41,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 02:32:41,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:41,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 02:32:41,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:41,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:41,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:41,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:41,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 02:32:41,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:41,483 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:32:41,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [809835294] [2020-10-14 02:32:41,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:41,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:32:41,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537070237] [2020-10-14 02:32:41,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:32:41,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:41,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:32:41,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:32:41,487 INFO L87 Difference]: Start difference. First operand 3304 states and 4220 transitions. Second operand 5 states. [2020-10-14 02:32:43,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:43,459 INFO L93 Difference]: Finished difference Result 7781 states and 10238 transitions. [2020-10-14 02:32:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:32:43,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-10-14 02:32:43,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:43,492 INFO L225 Difference]: With dead ends: 7781 [2020-10-14 02:32:43,492 INFO L226 Difference]: Without dead ends: 4483 [2020-10-14 02:32:43,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:32:43,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2020-10-14 02:32:43,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 4457. [2020-10-14 02:32:43,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4457 states. [2020-10-14 02:32:43,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4457 states to 4457 states and 5672 transitions. [2020-10-14 02:32:43,697 INFO L78 Accepts]: Start accepts. Automaton has 4457 states and 5672 transitions. Word has length 157 [2020-10-14 02:32:43,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:43,698 INFO L479 AbstractCegarLoop]: Abstraction has 4457 states and 5672 transitions. [2020-10-14 02:32:43,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:32:43,698 INFO L276 IsEmpty]: Start isEmpty. Operand 4457 states and 5672 transitions. [2020-10-14 02:32:43,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-14 02:32:43,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:43,704 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 02:32:43,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 02:32:43,705 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:43,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:43,705 INFO L82 PathProgramCache]: Analyzing trace with hash 2130937622, now seen corresponding path program 1 times [2020-10-14 02:32:43,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:43,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78570296] [2020-10-14 02:32:43,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:43,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:43,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:43,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:44,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:46,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:46,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:46,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:48,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:48,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-14 02:32:48,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 02:32:48,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 02:32:48,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:48,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:48,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:48,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 02:32:48,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 02:32:48,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:48,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:48,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:48,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:48,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:48,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:48,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:32:48,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:48,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:48,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:48,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:48,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:48,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:48,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:48,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:48,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:48,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 02:32:48,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:48,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 02:32:48,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:48,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:48,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:48,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:48,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 02:32:48,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:48,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 02:32:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:48,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:49,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:49,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 02:32:49,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:49,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 02:32:49,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:49,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:49,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:49,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:32:49,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 02:32:49,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:49,138 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:32:49,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [78570296] [2020-10-14 02:32:49,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:49,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:32:49,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214862126] [2020-10-14 02:32:49,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:32:49,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:49,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:32:49,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:32:49,143 INFO L87 Difference]: Start difference. First operand 4457 states and 5672 transitions. Second operand 7 states. [2020-10-14 02:32:52,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:32:52,109 INFO L93 Difference]: Finished difference Result 10336 states and 13805 transitions. [2020-10-14 02:32:52,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:32:52,110 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 221 [2020-10-14 02:32:52,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:32:52,140 INFO L225 Difference]: With dead ends: 10336 [2020-10-14 02:32:52,140 INFO L226 Difference]: Without dead ends: 5885 [2020-10-14 02:32:52,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:32:52,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5885 states. [2020-10-14 02:32:52,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5885 to 5833. [2020-10-14 02:32:52,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5833 states. [2020-10-14 02:32:52,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5833 states to 5833 states and 7443 transitions. [2020-10-14 02:32:52,290 INFO L78 Accepts]: Start accepts. Automaton has 5833 states and 7443 transitions. Word has length 221 [2020-10-14 02:32:52,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:32:52,290 INFO L479 AbstractCegarLoop]: Abstraction has 5833 states and 7443 transitions. [2020-10-14 02:32:52,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:32:52,291 INFO L276 IsEmpty]: Start isEmpty. Operand 5833 states and 7443 transitions. [2020-10-14 02:32:52,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-14 02:32:52,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:32:52,300 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:32:52,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 02:32:52,301 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:32:52,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:32:52,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1056434215, now seen corresponding path program 1 times [2020-10-14 02:32:52,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:32:52,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [30406611] [2020-10-14 02:32:52,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:32:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:52,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:52,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:52,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:53,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:54,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:57,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:57,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-14 02:32:57,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:32:57,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 02:32:57,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:57,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:57,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:57,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 02:32:57,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 02:32:57,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:57,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:32:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:57,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:57,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:57,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:32:57,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:57,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:32:57,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:57,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:32:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:57,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:32:57,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:57,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:32:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:57,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:57,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:57,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 02:32:57,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:57,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 02:32:57,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:57,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:32:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:32:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 02:32:57,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:32:57,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 02:32:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:32:57,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:32:57,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:32:57,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 02:32:57,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:32:57,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-14 02:32:57,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:32:57,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:32:57,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:32:57,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:32:57,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 02:32:57,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:32:58,016 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:32:58,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [30406611] [2020-10-14 02:32:58,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:32:58,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 02:32:58,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657445429] [2020-10-14 02:32:58,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 02:32:58,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:32:58,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 02:32:58,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 02:32:58,019 INFO L87 Difference]: Start difference. First operand 5833 states and 7443 transitions. Second operand 8 states. [2020-10-14 02:33:01,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:01,957 INFO L93 Difference]: Finished difference Result 12472 states and 16253 transitions. [2020-10-14 02:33:01,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 02:33:01,962 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 256 [2020-10-14 02:33:01,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:01,994 INFO L225 Difference]: With dead ends: 12472 [2020-10-14 02:33:01,994 INFO L226 Difference]: Without dead ends: 6833 [2020-10-14 02:33:02,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-14 02:33:02,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6833 states. [2020-10-14 02:33:02,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6833 to 6814. [2020-10-14 02:33:02,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6814 states. [2020-10-14 02:33:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6814 states to 6814 states and 8624 transitions. [2020-10-14 02:33:02,175 INFO L78 Accepts]: Start accepts. Automaton has 6814 states and 8624 transitions. Word has length 256 [2020-10-14 02:33:02,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:02,176 INFO L479 AbstractCegarLoop]: Abstraction has 6814 states and 8624 transitions. [2020-10-14 02:33:02,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 02:33:02,176 INFO L276 IsEmpty]: Start isEmpty. Operand 6814 states and 8624 transitions. [2020-10-14 02:33:02,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-14 02:33:02,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:02,196 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, 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, 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] [2020-10-14 02:33:02,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 02:33:02,197 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:02,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:02,197 INFO L82 PathProgramCache]: Analyzing trace with hash 524441022, now seen corresponding path program 1 times [2020-10-14 02:33:02,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:02,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1775234491] [2020-10-14 02:33:02,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:02,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:02,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:02,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:03,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:05,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:07,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:07,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-14 02:33:07,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:33:07,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-14 02:33:07,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:07,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:07,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:07,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 02:33:07,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 02:33:07,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:07,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:07,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:07,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:07,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:07,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:07,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:33:07,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:07,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:07,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:07,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:07,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:07,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:07,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:07,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:07,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:07,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 02:33:07,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:07,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 02:33:07,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:07,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:07,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:07,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:07,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 02:33:07,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:07,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 02:33:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:07,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:07,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:07,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 02:33:07,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:07,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 02:33:07,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:07,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:07,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:07,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:33:07,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 02:33:07,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:07,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-14 02:33:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:07,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:07,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:07,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 02:33:07,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:07,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 02:33:07,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:07,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:07,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:07,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:33:07,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:07,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:07,787 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 246 proven. 84 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-14 02:33:07,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1775234491] [2020-10-14 02:33:07,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:07,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:33:07,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88375437] [2020-10-14 02:33:07,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:33:07,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:07,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:33:07,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:33:07,790 INFO L87 Difference]: Start difference. First operand 6814 states and 8624 transitions. Second operand 7 states. [2020-10-14 02:33:10,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:10,316 INFO L93 Difference]: Finished difference Result 14053 states and 17902 transitions. [2020-10-14 02:33:10,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 02:33:10,318 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 319 [2020-10-14 02:33:10,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:10,354 INFO L225 Difference]: With dead ends: 14053 [2020-10-14 02:33:10,354 INFO L226 Difference]: Without dead ends: 7433 [2020-10-14 02:33:10,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 02:33:10,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7433 states. [2020-10-14 02:33:10,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7433 to 7422. [2020-10-14 02:33:10,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7422 states. [2020-10-14 02:33:10,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7422 states to 7422 states and 9412 transitions. [2020-10-14 02:33:10,514 INFO L78 Accepts]: Start accepts. Automaton has 7422 states and 9412 transitions. Word has length 319 [2020-10-14 02:33:10,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:10,515 INFO L479 AbstractCegarLoop]: Abstraction has 7422 states and 9412 transitions. [2020-10-14 02:33:10,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:33:10,515 INFO L276 IsEmpty]: Start isEmpty. Operand 7422 states and 9412 transitions. [2020-10-14 02:33:10,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-10-14 02:33:10,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:10,532 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-10-14 02:33:10,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 02:33:10,533 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:10,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:10,533 INFO L82 PathProgramCache]: Analyzing trace with hash 491415173, now seen corresponding path program 1 times [2020-10-14 02:33:10,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:10,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77281864] [2020-10-14 02:33:10,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:10,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:10,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:10,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:10,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:11,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:14,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:14,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:15,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:15,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-10-14 02:33:15,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 02:33:15,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 02:33:15,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:15,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 02:33:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 02:33:15,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:15,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:15,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:15,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:15,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:15,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:15,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:33:15,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:15,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:15,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:15,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:15,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:15,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:15,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:15,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:15,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:15,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 02:33:15,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:15,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 02:33:15,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:15,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:15,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:15,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:15,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 02:33:15,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:15,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 02:33:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:15,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:15,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:15,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 02:33:15,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:15,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 02:33:15,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:15,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:15,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:15,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:33:15,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 02:33:15,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:15,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-14 02:33:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:15,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:16,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:16,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 02:33:16,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:16,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 02:33:16,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:16,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:16,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:33:16,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:16,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 249 proven. 84 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-14 02:33:16,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77281864] [2020-10-14 02:33:16,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:16,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:33:16,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870016399] [2020-10-14 02:33:16,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:33:16,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:16,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:33:16,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:33:16,123 INFO L87 Difference]: Start difference. First operand 7422 states and 9412 transitions. Second operand 7 states. [2020-10-14 02:33:19,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:19,243 INFO L93 Difference]: Finished difference Result 15933 states and 20621 transitions. [2020-10-14 02:33:19,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:33:19,244 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 322 [2020-10-14 02:33:19,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:19,280 INFO L225 Difference]: With dead ends: 15933 [2020-10-14 02:33:19,281 INFO L226 Difference]: Without dead ends: 8705 [2020-10-14 02:33:19,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:33:19,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8705 states. [2020-10-14 02:33:19,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8705 to 8620. [2020-10-14 02:33:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8620 states. [2020-10-14 02:33:19,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8620 states to 8620 states and 10854 transitions. [2020-10-14 02:33:19,486 INFO L78 Accepts]: Start accepts. Automaton has 8620 states and 10854 transitions. Word has length 322 [2020-10-14 02:33:19,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:19,489 INFO L479 AbstractCegarLoop]: Abstraction has 8620 states and 10854 transitions. [2020-10-14 02:33:19,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:33:19,489 INFO L276 IsEmpty]: Start isEmpty. Operand 8620 states and 10854 transitions. [2020-10-14 02:33:19,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-10-14 02:33:19,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:19,508 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:33:19,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 02:33:19,508 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:19,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:19,509 INFO L82 PathProgramCache]: Analyzing trace with hash -150999819, now seen corresponding path program 1 times [2020-10-14 02:33:19,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:19,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1449801034] [2020-10-14 02:33:19,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:19,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:19,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:19,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:23,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:24,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:24,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:24,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 344 [2020-10-14 02:33:24,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:33:24,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-14 02:33:24,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:24,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:24,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:24,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 02:33:24,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 02:33:24,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:24,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:24,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:24,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:24,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:24,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:24,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:33:24,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:24,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:24,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:24,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:24,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:24,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:24,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 02:33:24,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:24,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 02:33:24,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:24,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:24,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:24,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:24,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:33:24,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:24,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 02:33:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:24,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:24,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:24,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 02:33:24,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:24,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 02:33:24,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:24,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:33:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 02:33:24,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:24,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-14 02:33:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:25,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:25,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:25,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 02:33:25,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:25,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 02:33:25,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:25,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:25,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:25,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:33:25,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:25,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:25,151 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 257 proven. 84 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-14 02:33:25,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1449801034] [2020-10-14 02:33:25,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:25,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:33:25,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087232789] [2020-10-14 02:33:25,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:33:25,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:25,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:33:25,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:33:25,155 INFO L87 Difference]: Start difference. First operand 8620 states and 10854 transitions. Second operand 7 states. [2020-10-14 02:33:28,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:28,554 INFO L93 Difference]: Finished difference Result 18424 states and 24550 transitions. [2020-10-14 02:33:28,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:33:28,556 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 330 [2020-10-14 02:33:28,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:28,598 INFO L225 Difference]: With dead ends: 18424 [2020-10-14 02:33:28,599 INFO L226 Difference]: Without dead ends: 9998 [2020-10-14 02:33:28,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:33:28,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9998 states. [2020-10-14 02:33:28,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9998 to 9587. [2020-10-14 02:33:28,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9587 states. [2020-10-14 02:33:28,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9587 states to 9587 states and 12009 transitions. [2020-10-14 02:33:28,846 INFO L78 Accepts]: Start accepts. Automaton has 9587 states and 12009 transitions. Word has length 330 [2020-10-14 02:33:28,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:28,847 INFO L479 AbstractCegarLoop]: Abstraction has 9587 states and 12009 transitions. [2020-10-14 02:33:28,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:33:28,847 INFO L276 IsEmpty]: Start isEmpty. Operand 9587 states and 12009 transitions. [2020-10-14 02:33:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-10-14 02:33:28,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:28,870 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2020-10-14 02:33:28,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 02:33:28,871 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:28,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:28,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1122827537, now seen corresponding path program 1 times [2020-10-14 02:33:28,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:28,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1228100860] [2020-10-14 02:33:28,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:29,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:29,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:29,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:30,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:32,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:33,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:33,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 372 [2020-10-14 02:33:33,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:33:33,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4658 [2020-10-14 02:33:33,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:33,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:33,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:33,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 02:33:33,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 02:33:33,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:33,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:33,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:33,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:33,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:33,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:33,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 02:33:33,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:33,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:33,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:33,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:33,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:33,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:33,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 02:33:33,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 02:33:33,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:33,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 02:33:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:33,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 02:33:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:33,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:33,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:33,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 02:33:33,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:33,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 02:33:33,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:33,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:33,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:33,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:33:33,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 02:33:33,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:33,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-14 02:33:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:33,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:33,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:33,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 02:33:33,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:33,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 02:33:33,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:33,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:33:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:33,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:34,089 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 263 proven. 84 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-14 02:33:34,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1228100860] [2020-10-14 02:33:34,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:34,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:33:34,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865575931] [2020-10-14 02:33:34,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:33:34,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:34,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:33:34,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:33:34,091 INFO L87 Difference]: Start difference. First operand 9587 states and 12009 transitions. Second operand 7 states. [2020-10-14 02:33:36,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:36,669 INFO L93 Difference]: Finished difference Result 20744 states and 25997 transitions. [2020-10-14 02:33:36,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:33:36,671 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 358 [2020-10-14 02:33:36,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:36,701 INFO L225 Difference]: With dead ends: 20744 [2020-10-14 02:33:36,701 INFO L226 Difference]: Without dead ends: 11539 [2020-10-14 02:33:36,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:33:36,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11539 states. [2020-10-14 02:33:36,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11539 to 11127. [2020-10-14 02:33:36,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11127 states. [2020-10-14 02:33:36,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11127 states to 11127 states and 13649 transitions. [2020-10-14 02:33:36,921 INFO L78 Accepts]: Start accepts. Automaton has 11127 states and 13649 transitions. Word has length 358 [2020-10-14 02:33:36,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:36,922 INFO L479 AbstractCegarLoop]: Abstraction has 11127 states and 13649 transitions. [2020-10-14 02:33:36,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:33:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand 11127 states and 13649 transitions. [2020-10-14 02:33:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-10-14 02:33:36,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:36,947 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2020-10-14 02:33:36,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 02:33:36,948 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:36,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:36,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1984370427, now seen corresponding path program 1 times [2020-10-14 02:33:36,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:36,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156044432] [2020-10-14 02:33:36,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:37,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:37,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:37,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:39,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:41,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:42,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:42,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-10-14 02:33:42,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:33:42,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 02:33:42,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:42,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:42,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-14 02:33:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 02:33:42,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:42,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:42,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:42,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:42,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:42,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:42,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:33:42,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:42,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:42,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:42,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:42,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:42,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:42,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 02:33:42,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:42,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 02:33:42,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:42,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:42,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:42,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:42,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 02:33:42,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:42,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 02:33:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:42,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:42,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:42,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 02:33:42,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:42,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 02:33:42,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:42,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:42,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:42,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:33:42,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 02:33:42,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:42,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-14 02:33:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:42,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:42,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:42,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 02:33:42,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:42,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 02:33:42,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:42,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:42,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:42,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:33:42,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:42,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 263 proven. 84 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-14 02:33:42,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156044432] [2020-10-14 02:33:42,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:42,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:33:42,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610615508] [2020-10-14 02:33:42,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:33:42,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:42,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:33:42,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:33:42,590 INFO L87 Difference]: Start difference. First operand 11127 states and 13649 transitions. Second operand 7 states. [2020-10-14 02:33:45,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:45,674 INFO L93 Difference]: Finished difference Result 23042 states and 28269 transitions. [2020-10-14 02:33:45,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 02:33:45,675 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 368 [2020-10-14 02:33:45,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:45,710 INFO L225 Difference]: With dead ends: 23042 [2020-10-14 02:33:45,710 INFO L226 Difference]: Without dead ends: 12297 [2020-10-14 02:33:45,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 02:33:45,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12297 states. [2020-10-14 02:33:45,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12297 to 11509. [2020-10-14 02:33:45,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11509 states. [2020-10-14 02:33:45,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11509 states to 11509 states and 14031 transitions. [2020-10-14 02:33:45,928 INFO L78 Accepts]: Start accepts. Automaton has 11509 states and 14031 transitions. Word has length 368 [2020-10-14 02:33:45,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:45,929 INFO L479 AbstractCegarLoop]: Abstraction has 11509 states and 14031 transitions. [2020-10-14 02:33:45,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:33:45,929 INFO L276 IsEmpty]: Start isEmpty. Operand 11509 states and 14031 transitions. [2020-10-14 02:33:45,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2020-10-14 02:33:45,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:45,959 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:33:45,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 02:33:45,959 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:45,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:45,960 INFO L82 PathProgramCache]: Analyzing trace with hash -853522552, now seen corresponding path program 1 times [2020-10-14 02:33:45,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:45,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [248672995] [2020-10-14 02:33:45,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:46,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:46,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:46,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:47,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:49,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:50,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:50,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 403 [2020-10-14 02:33:50,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:33:50,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4628 [2020-10-14 02:33:50,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:50,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 02:33:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 02:33:50,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:50,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:50,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:50,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:50,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:50,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:50,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 02:33:50,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:50,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:50,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:50,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:50,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:50,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:50,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:50,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:50,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:50,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 02:33:50,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:50,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 02:33:50,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:50,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:50,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:50,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:50,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 02:33:50,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:50,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 02:33:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:50,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:51,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:51,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 02:33:51,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:51,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 02:33:51,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:51,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:51,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:51,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:33:51,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 02:33:51,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:51,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-14 02:33:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:51,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:51,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:51,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 02:33:51,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:51,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 02:33:51,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:51,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:51,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:51,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 02:33:51,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:51,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:51,198 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 263 proven. 84 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-14 02:33:51,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [248672995] [2020-10-14 02:33:51,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:51,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:33:51,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493744850] [2020-10-14 02:33:51,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:33:51,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:51,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:33:51,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:33:51,199 INFO L87 Difference]: Start difference. First operand 11509 states and 14031 transitions. Second operand 7 states. [2020-10-14 02:33:53,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:53,994 INFO L93 Difference]: Finished difference Result 23480 states and 29987 transitions. [2020-10-14 02:33:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:33:53,995 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 389 [2020-10-14 02:33:53,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:54,044 INFO L225 Difference]: With dead ends: 23480 [2020-10-14 02:33:54,044 INFO L226 Difference]: Without dead ends: 12353 [2020-10-14 02:33:54,065 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 02:33:54,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12353 states. [2020-10-14 02:33:54,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12353 to 11897. [2020-10-14 02:33:54,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11897 states. [2020-10-14 02:33:54,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11897 states to 11897 states and 14503 transitions. [2020-10-14 02:33:54,325 INFO L78 Accepts]: Start accepts. Automaton has 11897 states and 14503 transitions. Word has length 389 [2020-10-14 02:33:54,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:54,326 INFO L479 AbstractCegarLoop]: Abstraction has 11897 states and 14503 transitions. [2020-10-14 02:33:54,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:33:54,326 INFO L276 IsEmpty]: Start isEmpty. Operand 11897 states and 14503 transitions. [2020-10-14 02:33:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-10-14 02:33:54,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:54,351 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:33:54,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 02:33:54,351 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:54,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:54,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1055591784, now seen corresponding path program 1 times [2020-10-14 02:33:54,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:54,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [310264624] [2020-10-14 02:33:54,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:54,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:54,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:55,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:55,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 409 [2020-10-14 02:33:55,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:33:55,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1334 [2020-10-14 02:33:55,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:55,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 346 [2020-10-14 02:33:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 02:33:55,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:55,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:55,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:55,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:55,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:55,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:55,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:33:55,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:55,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:55,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:55,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:55,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:55,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:55,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 02:33:55,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:55,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 02:33:55,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:55,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:55,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:55,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:55,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:55,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:55,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 02:33:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:55,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:55,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:55,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 02:33:55,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:55,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 02:33:55,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:55,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:55,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:55,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:55,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:55,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:56,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-14 02:33:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:56,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:56,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:56,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 02:33:56,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:56,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 02:33:56,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:56,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:56,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:56,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:56,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 02:33:56,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:33:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 171 proven. 3 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2020-10-14 02:33:56,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [310264624] [2020-10-14 02:33:56,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:56,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:33:56,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507473730] [2020-10-14 02:33:56,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:33:56,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:56,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:33:56,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:33:56,167 INFO L87 Difference]: Start difference. First operand 11897 states and 14503 transitions. Second operand 5 states. [2020-10-14 02:33:58,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:58,523 INFO L93 Difference]: Finished difference Result 25678 states and 31892 transitions. [2020-10-14 02:33:58,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:33:58,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 395 [2020-10-14 02:33:58,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:58,563 INFO L225 Difference]: With dead ends: 25678 [2020-10-14 02:33:58,564 INFO L226 Difference]: Without dead ends: 13781 [2020-10-14 02:33:58,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:33:58,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13781 states. [2020-10-14 02:33:58,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13781 to 13570. [2020-10-14 02:33:58,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13570 states. [2020-10-14 02:33:58,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13570 states to 13570 states and 16651 transitions. [2020-10-14 02:33:58,819 INFO L78 Accepts]: Start accepts. Automaton has 13570 states and 16651 transitions. Word has length 395 [2020-10-14 02:33:58,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:58,820 INFO L479 AbstractCegarLoop]: Abstraction has 13570 states and 16651 transitions. [2020-10-14 02:33:58,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:33:58,821 INFO L276 IsEmpty]: Start isEmpty. Operand 13570 states and 16651 transitions. [2020-10-14 02:33:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2020-10-14 02:33:58,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:58,845 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:33:58,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 02:33:58,846 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:58,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:58,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1883378787, now seen corresponding path program 1 times [2020-10-14 02:33:58,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:58,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964022790] [2020-10-14 02:33:58,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:58,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:58,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:59,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:59,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:59,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:00,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:03,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:03,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 447 [2020-10-14 02:34:03,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 02:34:03,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 02:34:03,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:03,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 02:34:03,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-14 02:34:03,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:03,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:03,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:03,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:03,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:03,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:03,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:34:03,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:03,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:03,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:03,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:03,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:03,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:03,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:03,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:04,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:04,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 02:34:04,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:04,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 02:34:04,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:04,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:04,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:04,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:04,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 02:34:04,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:04,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 02:34:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:04,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:04,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:04,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 02:34:04,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:04,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-14 02:34:04,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:04,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:04,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:04,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:34:04,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 02:34:04,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:04,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-14 02:34:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:04,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:04,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:04,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:34:04,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:04,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 02:34:04,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:04,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:04,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:04,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 02:34:04,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:04,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 249 proven. 136 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-14 02:34:04,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964022790] [2020-10-14 02:34:04,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:04,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:34:04,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097859888] [2020-10-14 02:34:04,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:34:04,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:04,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:34:04,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:34:04,510 INFO L87 Difference]: Start difference. First operand 13570 states and 16651 transitions. Second operand 7 states. [2020-10-14 02:34:07,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:07,068 INFO L93 Difference]: Finished difference Result 26574 states and 33546 transitions. [2020-10-14 02:34:07,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:34:07,071 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 433 [2020-10-14 02:34:07,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:07,113 INFO L225 Difference]: With dead ends: 26574 [2020-10-14 02:34:07,114 INFO L226 Difference]: Without dead ends: 12994 [2020-10-14 02:34:07,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:34:07,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12994 states. [2020-10-14 02:34:07,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12994 to 12252. [2020-10-14 02:34:07,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12252 states. [2020-10-14 02:34:07,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12252 states to 12252 states and 14149 transitions. [2020-10-14 02:34:07,463 INFO L78 Accepts]: Start accepts. Automaton has 12252 states and 14149 transitions. Word has length 433 [2020-10-14 02:34:07,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:07,464 INFO L479 AbstractCegarLoop]: Abstraction has 12252 states and 14149 transitions. [2020-10-14 02:34:07,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:34:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 12252 states and 14149 transitions. [2020-10-14 02:34:07,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-10-14 02:34:07,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:07,482 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:34:07,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 02:34:07,482 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:07,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:07,483 INFO L82 PathProgramCache]: Analyzing trace with hash -63695629, now seen corresponding path program 1 times [2020-10-14 02:34:07,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:07,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567165206] [2020-10-14 02:34:07,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:07,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:07,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:07,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:10,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:12,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:12,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 530 [2020-10-14 02:34:12,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:34:12,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 02:34:12,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:12,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 328 [2020-10-14 02:34:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-14 02:34:12,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:12,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:12,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:12,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:12,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:12,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:12,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:34:12,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:12,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:12,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:12,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:12,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:12,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:12,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 02:34:12,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:12,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 02:34:12,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:12,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:12,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:12,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 02:34:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:12,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:12,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:12,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 02:34:12,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:12,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 02:34:12,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:12,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:12,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:12,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:12,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:12,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:12,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 02:34:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:12,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:12,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:12,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 02:34:12,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:12,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 02:34:12,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:12,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 02:34:12,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:12,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-10-14 02:34:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:12,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:13,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:13,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:34:13,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:13,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-14 02:34:13,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:13,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:13,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:13,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:34:13,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 02:34:13,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:13,196 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 539 proven. 2 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-10-14 02:34:13,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567165206] [2020-10-14 02:34:13,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:13,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:34:13,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541826159] [2020-10-14 02:34:13,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:34:13,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:13,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:34:13,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:34:13,198 INFO L87 Difference]: Start difference. First operand 12252 states and 14149 transitions. Second operand 7 states. [2020-10-14 02:34:17,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:17,436 INFO L93 Difference]: Finished difference Result 29245 states and 33839 transitions. [2020-10-14 02:34:17,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:34:17,437 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 514 [2020-10-14 02:34:17,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:17,481 INFO L225 Difference]: With dead ends: 29245 [2020-10-14 02:34:17,481 INFO L226 Difference]: Without dead ends: 16419 [2020-10-14 02:34:17,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:34:17,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16419 states. [2020-10-14 02:34:17,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16419 to 16031. [2020-10-14 02:34:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16031 states. [2020-10-14 02:34:17,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16031 states to 16031 states and 18344 transitions. [2020-10-14 02:34:17,760 INFO L78 Accepts]: Start accepts. Automaton has 16031 states and 18344 transitions. Word has length 514 [2020-10-14 02:34:17,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:17,760 INFO L479 AbstractCegarLoop]: Abstraction has 16031 states and 18344 transitions. [2020-10-14 02:34:17,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:34:17,761 INFO L276 IsEmpty]: Start isEmpty. Operand 16031 states and 18344 transitions. [2020-10-14 02:34:17,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2020-10-14 02:34:17,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:17,782 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:34:17,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 02:34:17,782 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:17,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:17,783 INFO L82 PathProgramCache]: Analyzing trace with hash -352082953, now seen corresponding path program 1 times [2020-10-14 02:34:17,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:17,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1386104793] [2020-10-14 02:34:17,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:17,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:18,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:18,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:19,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:19,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:22,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:22,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 565 [2020-10-14 02:34:22,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:34:22,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-14 02:34:22,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:22,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:22,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:22,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 502 [2020-10-14 02:34:22,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 02:34:22,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:23,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:23,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:23,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:23,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:23,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:23,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 02:34:23,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:23,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:23,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:23,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:23,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:23,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:23,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 02:34:23,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 02:34:23,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:23,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:23,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:23,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 02:34:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:23,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:23,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:23,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 02:34:23,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:23,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 02:34:23,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:23,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:23,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:23,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:23,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:23,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:23,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 02:34:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:23,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:23,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:23,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:34:23,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:23,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 02:34:23,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:23,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:23,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:23,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-14 02:34:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:23,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:23,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:23,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 02:34:23,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:23,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-14 02:34:23,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:23,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:23,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:23,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:23,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 02:34:23,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 229 proven. 4 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2020-10-14 02:34:23,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1386104793] [2020-10-14 02:34:23,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:23,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:34:23,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696845601] [2020-10-14 02:34:23,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:34:23,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:23,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:34:23,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:34:23,532 INFO L87 Difference]: Start difference. First operand 16031 states and 18344 transitions. Second operand 5 states. [2020-10-14 02:34:25,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:25,877 INFO L93 Difference]: Finished difference Result 17935 states and 20547 transitions. [2020-10-14 02:34:25,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:34:25,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 549 [2020-10-14 02:34:25,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:25,879 INFO L225 Difference]: With dead ends: 17935 [2020-10-14 02:34:25,879 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 02:34:25,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:34:25,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 02:34:25,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 02:34:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 02:34:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 02:34:25,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 549 [2020-10-14 02:34:25,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:25,901 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 02:34:25,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:34:25,901 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 02:34:25,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 02:34:25,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 02:34:25,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 02:34:28,511 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 705 DAG size of output: 399 [2020-10-14 02:34:29,468 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 399 [2020-10-14 02:34:29,638 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2020-10-14 02:34:31,570 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 395 DAG size of output: 42 [2020-10-14 02:34:34,082 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 376 DAG size of output: 42 [2020-10-14 02:34:36,564 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 376 DAG size of output: 42 [2020-10-14 02:34:36,569 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:34:36,569 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-14 02:34:36,569 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:34:36,570 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-14 02:34:36,570 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 02:34:36,570 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-14 02:34:36,570 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,570 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,570 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,570 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,571 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,571 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,571 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,571 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-14 02:34:36,571 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-14 02:34:36,571 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-14 02:34:36,571 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,571 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,572 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,572 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,572 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,572 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,572 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,572 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,572 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,572 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-14 02:34:36,572 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-14 02:34:36,573 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-14 02:34:36,573 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,573 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,573 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,573 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,573 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,573 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,573 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,573 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,574 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,574 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-14 02:34:36,574 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-14 02:34:36,574 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-14 02:34:36,574 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-14 02:34:36,574 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-14 02:34:36,574 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-14 02:34:36,574 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-14 02:34:36,574 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,574 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,575 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,575 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,575 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,575 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,575 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,575 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,575 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,575 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,575 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-14 02:34:36,575 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-14 02:34:36,576 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-14 02:34:36,576 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,576 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,576 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,576 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,576 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,576 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-14 02:34:36,576 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-14 02:34:36,576 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-14 02:34:36,576 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,577 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,577 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,577 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,577 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,577 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-14 02:34:36,577 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-14 02:34:36,577 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,577 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,577 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,577 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,578 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,578 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,578 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-14 02:34:36,578 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-14 02:34:36,578 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,578 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,578 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-14 02:34:36,578 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-14 02:34:36,578 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-14 02:34:36,578 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,578 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,579 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,579 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,579 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,579 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,579 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,579 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-14 02:34:36,579 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-14 02:34:36,579 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-14 02:34:36,579 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-14 02:34:36,580 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-14 02:34:36,580 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-14 02:34:36,580 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-14 02:34:36,580 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,580 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,580 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-14 02:34:36,580 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-14 02:34:36,580 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,580 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,581 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,581 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,581 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse1 (= ~a23~0 |old(~a23~0)|)) (.cse2 (= ~a29~0 |old(~a29~0)|)) (.cse3 (= ~a4~0 |old(~a4~0)|))) (let ((.cse4 (= 12 |old(~a25~0)|)) (.cse0 (and (= ~a25~0 |old(~a25~0)|) .cse1 .cse2 .cse3))) (and (or .cse0 (not (= 9 |old(~a25~0)|))) (or (and .cse1 .cse2 (= ~a25~0 12) .cse3) (not .cse4) (not (<= |old(~a29~0)| 245))) (or (= |old(~a4~0)| 1) .cse0) (or .cse4 .cse0 (not (<= 141 |old(~a29~0)|))) (or (not (= 10 |old(~a25~0)|)) .cse0) (or .cse0 (not (<= 138 |old(~a23~0)|)))))) [2020-10-14 02:34:36,581 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,581 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-14 02:34:36,581 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-14 02:34:36,581 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-14 02:34:36,581 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,581 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,582 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-14 02:34:36,583 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-14 02:34:36,583 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-14 02:34:36,583 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,583 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,583 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,583 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,583 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,583 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,583 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,583 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,583 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,583 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,583 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,583 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-14 02:34:36,584 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-14 02:34:36,584 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-14 02:34:36,584 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-14 02:34:36,584 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-14 02:34:36,584 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,584 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,584 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,584 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,584 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,584 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,584 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,585 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-14 02:34:36,585 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-14 02:34:36,585 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-14 02:34:36,585 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,585 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,585 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,585 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-14 02:34:36,585 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-14 02:34:36,585 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,585 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,585 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,585 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,585 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,586 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2020-10-14 02:34:36,586 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-14 02:34:36,586 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-14 02:34:36,586 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,586 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,586 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-14 02:34:36,586 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-14 02:34:36,586 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,587 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,587 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,587 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,587 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,587 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,587 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-14 02:34:36,587 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-14 02:34:36,587 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-14 02:34:36,587 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-14 02:34:36,588 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,588 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,588 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,588 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,588 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,588 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,588 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,588 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,588 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-14 02:34:36,589 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-14 02:34:36,589 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-14 02:34:36,589 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-14 02:34:36,589 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-14 02:34:36,589 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-14 02:34:36,589 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,589 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,589 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,589 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,590 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,590 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,590 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,590 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 02:34:36,590 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-14 02:34:36,590 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,590 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,590 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,590 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,591 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,591 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,591 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,591 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-14 02:34:36,591 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-14 02:34:36,591 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,591 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,591 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,591 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,592 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,592 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,592 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,592 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-14 02:34:36,592 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,592 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,592 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,592 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 02:34:36,592 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-14 02:34:36,593 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-14 02:34:36,593 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,593 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-14 02:34:36,593 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,593 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-14 02:34:36,593 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,593 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,593 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,593 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,594 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,594 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,594 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-14 02:34:36,594 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-14 02:34:36,594 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-14 02:34:36,594 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,594 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,594 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,595 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,595 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,595 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,595 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,595 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,595 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,595 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,595 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 02:34:36,595 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-14 02:34:36,596 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-14 02:34:36,596 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,596 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-14 02:34:36,596 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-14 02:34:36,596 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,596 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,596 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,596 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,596 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,597 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,597 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-14 02:34:36,597 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 02:34:36,597 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-14 02:34:36,597 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,597 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,597 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,597 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,597 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-14 02:34:36,597 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-14 02:34:36,598 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,598 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,598 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-14 02:34:36,598 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,598 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,598 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:34:36,598 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:34:36,598 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 312 ~a23~0) (<= 1 ~a4~0) (= ~a25~0 10) (<= ~a29~0 220) (<= ~a4~0 1)) [2020-10-14 02:34:36,598 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 02:34:36,598 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:34:36,599 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)) (not (<= |old(~a29~0)| 220)) (not (<= |old(~a4~0)| 1)) (not (<= 312 |old(~a23~0)|)) (not (<= 1 |old(~a4~0)|))) [2020-10-14 02:34:36,599 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 02:34:36,599 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (= ~a25~0 12)) (.cse1 (<= ~a29~0 245))) (or (<= 138 ~a23~0) (and (not .cse0) (<= 246 ~a29~0)) (= ~a25~0 9) (and .cse0 .cse1) (= ~a25~0 10) (and (<= 141 ~a29~0) .cse1) (not (= 10 |old(~a25~0)|)) (not (= ~a4~0 1)) (not (<= |old(~a29~0)| 220)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a4~0)| 1)) (not (<= 1 |old(~a4~0)|)))) [2020-10-14 02:34:36,599 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-14 02:34:36,599 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-14 02:34:36,599 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (= ~a25~0 12)) (.cse1 (<= ~a29~0 245))) (or (<= 138 ~a23~0) (and (not .cse0) (<= 246 ~a29~0)) (= ~a25~0 9) (and .cse0 .cse1) (= ~a25~0 10) (and (<= 141 ~a29~0) .cse1) (not (= 10 |old(~a25~0)|)) (not (= ~a4~0 1)) (not (<= |old(~a29~0)| 220)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a4~0)| 1)) (not (<= 1 |old(~a4~0)|)))) [2020-10-14 02:34:36,599 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 02:34:36,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:34:36 BoogieIcfgContainer [2020-10-14 02:34:36,621 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 02:34:36,623 INFO L168 Benchmark]: Toolchain (without parser) took 139712.38 ms. Allocated memory was 146.3 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 97.9 MB in the beginning and 948.2 MB in the end (delta: -850.3 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2020-10-14 02:34:36,624 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 119.6 MB in the beginning and 119.2 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 02:34:36,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1021.46 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 97.9 MB in the beginning and 146.8 MB in the end (delta: -48.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-10-14 02:34:36,625 INFO L168 Benchmark]: Boogie Preprocessor took 199.74 ms. Allocated memory is still 205.0 MB. Free memory was 146.8 MB in the beginning and 139.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. [2020-10-14 02:34:36,626 INFO L168 Benchmark]: RCFGBuilder took 1829.46 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 138.5 MB in the beginning and 83.3 MB in the end (delta: 55.2 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. [2020-10-14 02:34:36,627 INFO L168 Benchmark]: TraceAbstraction took 136656.20 ms. Allocated memory was 238.0 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 83.3 MB in the beginning and 948.2 MB in the end (delta: -864.9 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-10-14 02:34:36,630 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 119.6 MB in the beginning and 119.2 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1021.46 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 97.9 MB in the beginning and 146.8 MB in the end (delta: -48.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 199.74 ms. Allocated memory is still 205.0 MB. Free memory was 146.8 MB in the beginning and 139.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1829.46 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 138.5 MB in the beginning and 83.3 MB in the end (delta: 55.2 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 136656.20 ms. Allocated memory was 238.0 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 83.3 MB in the beginning and 948.2 MB in the end (delta: -864.9 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: 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: 1034]: Loop Invariant Derived loop invariant: ((((((((((138 <= a23 || (!(a25 == 12) && 246 <= a29)) || a25 == 9) || (a25 == 12 && a29 <= 245)) || a25 == 10) || (141 <= a29 && a29 <= 245)) || !(10 == \old(a25))) || !(a4 == 1)) || !(\old(a29) <= 220)) || !(312 <= \old(a23))) || !(\old(a4) <= 1)) || !(1 <= \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 125.8s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 50.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 887 SDtfs, 11632 SDslu, 1426 SDs, 0 SdLazy, 25588 SolverSat, 2981 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 306 GetRequests, 173 SyntacticMatches, 4 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16031occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 18 MinimizatonAttempts, 3651 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 665 PreInvPairs, 871 NumberOfFragments, 315 HoareAnnotationTreeSize, 665 FomulaSimplifications, 1336796 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 59180 FormulaSimplificationTreeSizeReductionInter, 7.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 69.7s InterpolantComputationTime, 5238 NumberOfCodeBlocks, 5238 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 5220 ConstructedInterpolants, 0 QuantifiedInterpolants, 4277960 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 1 PerfectInterpolantSequences, 5146/5804 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...