/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:12:10,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:12:10,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:12:10,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:12:10,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:12:10,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:12:10,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:12:10,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:12:10,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:12:10,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:12:10,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:12:10,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:12:10,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:12:10,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:12:10,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:12:10,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:12:10,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:12:10,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:12:10,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:12:10,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:12:10,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:12:10,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:12:10,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:12:10,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:12:10,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:12:10,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:12:10,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:12:10,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:12:10,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:12:10,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:12:10,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:12:10,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:12:10,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:12:10,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:12:10,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:12:10,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:12:10,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:12:10,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:12:10,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:12:10,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:12:10,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:12:10,877 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 13:12:10,901 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:12:10,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:12:10,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:12:10,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:12:10,902 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:12:10,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:12:10,903 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:12:10,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:12:10,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:12:10,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:12:10,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:12:10,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:12:10,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:12:10,904 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:12:10,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:12:10,905 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:12:10,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:12:10,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:12:10,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:12:10,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:12:10,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:12:10,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:12:10,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:12:10,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:12:10,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:12:10,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:12:10,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:12:10,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:12:10,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:12:10,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 13:12:11,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:12:11,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:12:11,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:12:11,227 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:12:11,227 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:12:11,228 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label34.c [2020-10-12 13:12:11,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cdeed0d4c/27717aee553048c3b8cf920037766c8d/FLAG59beb9401 [2020-10-12 13:12:11,953 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:12:11,954 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label34.c [2020-10-12 13:12:11,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cdeed0d4c/27717aee553048c3b8cf920037766c8d/FLAG59beb9401 [2020-10-12 13:12:12,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cdeed0d4c/27717aee553048c3b8cf920037766c8d [2020-10-12 13:12:12,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:12:12,172 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:12:12,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:12:12,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:12:12,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:12:12,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:12:12" (1/1) ... [2020-10-12 13:12:12,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5530b36d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:12:12, skipping insertion in model container [2020-10-12 13:12:12,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:12:12" (1/1) ... [2020-10-12 13:12:12,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:12:12,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:12:12,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:12:12,897 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:12:13,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:12:13,104 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:12:13,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:12:13 WrapperNode [2020-10-12 13:12:13,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:12:13,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:12:13,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:12:13,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:12:13,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:12:13" (1/1) ... [2020-10-12 13:12:13,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:12:13" (1/1) ... [2020-10-12 13:12:13,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:12:13" (1/1) ... [2020-10-12 13:12:13,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:12:13" (1/1) ... [2020-10-12 13:12:13,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:12:13" (1/1) ... [2020-10-12 13:12:13,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:12:13" (1/1) ... [2020-10-12 13:12:13,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:12:13" (1/1) ... [2020-10-12 13:12:13,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:12:13,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:12:13,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:12:13,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:12:13,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:12:13" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:12:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:12:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:12:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:12:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:12:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:12:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:12:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:12:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:12:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:12:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:12:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:12:15,305 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:12:15,341 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:12:15,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:12:15 BoogieIcfgContainer [2020-10-12 13:12:15,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:12:15,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:12:15,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:12:15,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:12:15,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:12:12" (1/3) ... [2020-10-12 13:12:15,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4a46f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:12:15, skipping insertion in model container [2020-10-12 13:12:15,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:12:13" (2/3) ... [2020-10-12 13:12:15,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4a46f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:12:15, skipping insertion in model container [2020-10-12 13:12:15,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:12:15" (3/3) ... [2020-10-12 13:12:15,357 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label34.c [2020-10-12 13:12:15,367 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:12:15,376 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:12:15,390 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:12:15,417 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:12:15,417 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:12:15,418 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:12:15,418 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:12:15,418 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:12:15,418 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:12:15,419 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:12:15,419 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:12:15,447 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-12 13:12:15,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-12 13:12:15,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:12:15,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:12:15,454 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:12:15,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:12:15,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1631579171, now seen corresponding path program 1 times [2020-10-12 13:12:15,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:12:15,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1933443220] [2020-10-12 13:12:15,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:12:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:15,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:15,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:15,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 13:12:15,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:15,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-12 13:12:15,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:15,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:12:15,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:12:15,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 13:12:15,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-12 13:12:16,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:12:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:16,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:16,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:16,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:12:16,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:16,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 13:12:16,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:16,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:12:16,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:16,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:12:16,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:12:16,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1933443220] [2020-10-12 13:12:16,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:12:16,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 13:12:16,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773926889] [2020-10-12 13:12:16,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 13:12:16,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:12:16,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 13:12:16,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 13:12:16,132 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-12 13:12:18,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:12:18,682 INFO L93 Difference]: Finished difference Result 805 states and 1402 transitions. [2020-10-12 13:12:18,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:12:18,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-12 13:12:18,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:12:18,702 INFO L225 Difference]: With dead ends: 805 [2020-10-12 13:12:18,703 INFO L226 Difference]: Without dead ends: 433 [2020-10-12 13:12:18,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:12:18,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-10-12 13:12:18,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 424. [2020-10-12 13:12:18,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-10-12 13:12:18,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 611 transitions. [2020-10-12 13:12:18,794 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 611 transitions. Word has length 14 [2020-10-12 13:12:18,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:12:18,794 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 611 transitions. [2020-10-12 13:12:18,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 13:12:18,794 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 611 transitions. [2020-10-12 13:12:18,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-12 13:12:18,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:12:18,799 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:12:18,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:12:18,799 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:12:18,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:12:18,800 INFO L82 PathProgramCache]: Analyzing trace with hash -270426558, now seen corresponding path program 1 times [2020-10-12 13:12:18,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:12:18,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412957328] [2020-10-12 13:12:18,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:12:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:18,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:19,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:19,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:19,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 13:12:19,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:12:19,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 820 [2020-10-12 13:12:19,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:19,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:12:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:12:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 13:12:19,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:12:19,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:12:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:19,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:19,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:19,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:12:19,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:19,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 13:12:19,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:19,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:12:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:19,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:12:19,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 13:12:19,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:12:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:19,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:19,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:19,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:12:19,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:19,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-12 13:12:19,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:12:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 13:12:19,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:20,051 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:12:20,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412957328] [2020-10-12 13:12:20,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:12:20,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:12:20,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602975486] [2020-10-12 13:12:20,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:12:20,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:12:20,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:12:20,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:12:20,056 INFO L87 Difference]: Start difference. First operand 424 states and 611 transitions. Second operand 7 states. [2020-10-12 13:12:22,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:12:22,618 INFO L93 Difference]: Finished difference Result 1267 states and 1865 transitions. [2020-10-12 13:12:22,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:12:22,619 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2020-10-12 13:12:22,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:12:22,627 INFO L225 Difference]: With dead ends: 1267 [2020-10-12 13:12:22,628 INFO L226 Difference]: Without dead ends: 849 [2020-10-12 13:12:22,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:12:22,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2020-10-12 13:12:22,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 817. [2020-10-12 13:12:22,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2020-10-12 13:12:22,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1127 transitions. [2020-10-12 13:12:22,687 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1127 transitions. Word has length 86 [2020-10-12 13:12:22,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:12:22,688 INFO L479 AbstractCegarLoop]: Abstraction has 817 states and 1127 transitions. [2020-10-12 13:12:22,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:12:22,689 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1127 transitions. [2020-10-12 13:12:22,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-12 13:12:22,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:12:22,694 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:12:22,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:12:22,694 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:12:22,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:12:22,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1634260565, now seen corresponding path program 1 times [2020-10-12 13:12:22,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:12:22,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553651069] [2020-10-12 13:12:22,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:12:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:22,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:23,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:23,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 13:12:23,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-12 13:12:23,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:12:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:12:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 13:12:23,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:23,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:12:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:23,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:23,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:23,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:12:23,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 13:12:23,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:12:23,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:23,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:12:23,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:23,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:12:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:23,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:23,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:23,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:12:23,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:23,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-12 13:12:23,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:23,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:23,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:12:23,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:12:23,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:12:23,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553651069] [2020-10-12 13:12:23,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:12:23,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:12:23,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051063595] [2020-10-12 13:12:23,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:12:23,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:12:23,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:12:23,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:12:23,503 INFO L87 Difference]: Start difference. First operand 817 states and 1127 transitions. Second operand 7 states. [2020-10-12 13:12:26,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:12:26,287 INFO L93 Difference]: Finished difference Result 1839 states and 2604 transitions. [2020-10-12 13:12:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:12:26,288 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2020-10-12 13:12:26,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:12:26,301 INFO L225 Difference]: With dead ends: 1839 [2020-10-12 13:12:26,302 INFO L226 Difference]: Without dead ends: 1028 [2020-10-12 13:12:26,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:12:26,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2020-10-12 13:12:26,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 1009. [2020-10-12 13:12:26,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1009 states. [2020-10-12 13:12:26,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1269 transitions. [2020-10-12 13:12:26,365 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1269 transitions. Word has length 87 [2020-10-12 13:12:26,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:12:26,366 INFO L479 AbstractCegarLoop]: Abstraction has 1009 states and 1269 transitions. [2020-10-12 13:12:26,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:12:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1269 transitions. [2020-10-12 13:12:26,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-12 13:12:26,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:12:26,377 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:12:26,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:12:26,379 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:12:26,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:12:26,380 INFO L82 PathProgramCache]: Analyzing trace with hash -318725220, now seen corresponding path program 1 times [2020-10-12 13:12:26,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:12:26,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553140635] [2020-10-12 13:12:26,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:12:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:26,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:26,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:27,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:27,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 13:12:27,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:12:27,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 850 [2020-10-12 13:12:27,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:27,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 13:12:27,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:12:27,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-12 13:12:27,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:27,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:12:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:27,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:27,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:27,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:12:27,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:27,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:12:27,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:27,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:12:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:27,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:12:27,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-12 13:12:27,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:12:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:27,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:27,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:27,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:12:27,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:27,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-12 13:12:27,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:27,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:12:27,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 13:12:27,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-12 13:12:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 13:12:28,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553140635] [2020-10-12 13:12:28,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:12:28,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:12:28,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359041781] [2020-10-12 13:12:28,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:12:28,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:12:28,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:12:28,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:12:28,129 INFO L87 Difference]: Start difference. First operand 1009 states and 1269 transitions. Second operand 7 states. [2020-10-12 13:12:31,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:12:31,267 INFO L93 Difference]: Finished difference Result 2453 states and 3427 transitions. [2020-10-12 13:12:31,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 13:12:31,268 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 130 [2020-10-12 13:12:31,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:12:31,279 INFO L225 Difference]: With dead ends: 2453 [2020-10-12 13:12:31,279 INFO L226 Difference]: Without dead ends: 1828 [2020-10-12 13:12:31,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:12:31,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2020-10-12 13:12:31,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1809. [2020-10-12 13:12:31,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1809 states. [2020-10-12 13:12:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2273 transitions. [2020-10-12 13:12:31,335 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2273 transitions. Word has length 130 [2020-10-12 13:12:31,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:12:31,336 INFO L479 AbstractCegarLoop]: Abstraction has 1809 states and 2273 transitions. [2020-10-12 13:12:31,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:12:31,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2273 transitions. [2020-10-12 13:12:31,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-12 13:12:31,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:12:31,338 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:12:31,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:12:31,339 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:12:31,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:12:31,339 INFO L82 PathProgramCache]: Analyzing trace with hash 904654220, now seen corresponding path program 1 times [2020-10-12 13:12:31,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:12:31,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200456926] [2020-10-12 13:12:31,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:12:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:31,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:31,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:31,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-12 13:12:31,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:31,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-12 13:12:31,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:31,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:12:31,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 13:12:31,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:12:31,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:12:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:31,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:31,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:31,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:12:31,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:31,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:12:31,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:31,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:12:31,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:31,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:12:31,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:31,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:12:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:31,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:32,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:32,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:12:32,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:32,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-12 13:12:32,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:32,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:12:32,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:32,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:12:32,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:32,163 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:12:32,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200456926] [2020-10-12 13:12:32,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:12:32,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:12:32,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366103812] [2020-10-12 13:12:32,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:12:32,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:12:32,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:12:32,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:12:32,167 INFO L87 Difference]: Start difference. First operand 1809 states and 2273 transitions. Second operand 5 states. [2020-10-12 13:12:34,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:12:34,341 INFO L93 Difference]: Finished difference Result 4020 states and 5251 transitions. [2020-10-12 13:12:34,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:12:34,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-10-12 13:12:34,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:12:34,357 INFO L225 Difference]: With dead ends: 4020 [2020-10-12 13:12:34,358 INFO L226 Difference]: Without dead ends: 2595 [2020-10-12 13:12:34,362 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 [2020-10-12 13:12:34,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2595 states. [2020-10-12 13:12:34,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2595 to 2385. [2020-10-12 13:12:34,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2385 states. [2020-10-12 13:12:34,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2385 states and 3068 transitions. [2020-10-12 13:12:34,433 INFO L78 Accepts]: Start accepts. Automaton has 2385 states and 3068 transitions. Word has length 145 [2020-10-12 13:12:34,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:12:34,434 INFO L479 AbstractCegarLoop]: Abstraction has 2385 states and 3068 transitions. [2020-10-12 13:12:34,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:12:34,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 3068 transitions. [2020-10-12 13:12:34,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-12 13:12:34,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:12:34,438 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:12:34,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:12:34,438 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:12:34,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:12:34,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1382253755, now seen corresponding path program 1 times [2020-10-12 13:12:34,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:12:34,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1052077405] [2020-10-12 13:12:34,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:12:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:34,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:34,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:35,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:35,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-12 13:12:35,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:12:35,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1240 [2020-10-12 13:12:35,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:35,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:35,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 13:12:35,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 13:12:35,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:35,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:12:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:35,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:35,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:35,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:12:35,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:35,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:12:35,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:35,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:12:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:12:35,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:35,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:12:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:35,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:35,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:35,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:12:35,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:35,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 13:12:35,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:12:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-12 13:12:35,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:36,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:12:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:36,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:36,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:36,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:12:36,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:36,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-12 13:12:36,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:36,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:36,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:12:36,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 13:12:36,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 36 [2020-10-12 13:12:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:12:36,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1052077405] [2020-10-12 13:12:36,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:12:36,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:12:36,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281806014] [2020-10-12 13:12:36,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:12:36,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:12:36,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:12:36,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:12:36,331 INFO L87 Difference]: Start difference. First operand 2385 states and 3068 transitions. Second operand 7 states. [2020-10-12 13:12:38,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:12:38,939 INFO L93 Difference]: Finished difference Result 5189 states and 6793 transitions. [2020-10-12 13:12:38,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:12:38,940 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 202 [2020-10-12 13:12:38,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:12:38,960 INFO L225 Difference]: With dead ends: 5189 [2020-10-12 13:12:38,960 INFO L226 Difference]: Without dead ends: 3188 [2020-10-12 13:12:38,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:12:38,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2020-10-12 13:12:39,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 3175. [2020-10-12 13:12:39,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3175 states. [2020-10-12 13:12:39,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 3175 states and 4030 transitions. [2020-10-12 13:12:39,117 INFO L78 Accepts]: Start accepts. Automaton has 3175 states and 4030 transitions. Word has length 202 [2020-10-12 13:12:39,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:12:39,118 INFO L479 AbstractCegarLoop]: Abstraction has 3175 states and 4030 transitions. [2020-10-12 13:12:39,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:12:39,118 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 4030 transitions. [2020-10-12 13:12:39,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-12 13:12:39,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:12:39,122 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:12:39,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 13:12:39,122 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:12:39,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:12:39,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1327742716, now seen corresponding path program 1 times [2020-10-12 13:12:39,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:12:39,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [127173688] [2020-10-12 13:12:39,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:12:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:39,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:39,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:39,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-12 13:12:39,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:39,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 454 [2020-10-12 13:12:39,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 13:12:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 13:12:39,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:39,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:12:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:39,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:39,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:39,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:12:39,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:39,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:12:39,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:39,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:12:39,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:39,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:12:39,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:39,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:12:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:39,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:39,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:39,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:12:39,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:39,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 13:12:39,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:39,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:12:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-12 13:12:39,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:39,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:12:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:39,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:40,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:40,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:12:40,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:40,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-12 13:12:40,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:12:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:12:40,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:12:40,210 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:12:40,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [127173688] [2020-10-12 13:12:40,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:12:40,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:12:40,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649293824] [2020-10-12 13:12:40,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:12:40,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:12:40,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:12:40,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:12:40,214 INFO L87 Difference]: Start difference. First operand 3175 states and 4030 transitions. Second operand 7 states. [2020-10-12 13:12:43,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:12:43,640 INFO L93 Difference]: Finished difference Result 6625 states and 8557 transitions. [2020-10-12 13:12:43,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 13:12:43,641 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-10-12 13:12:43,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:12:43,661 INFO L225 Difference]: With dead ends: 6625 [2020-10-12 13:12:43,661 INFO L226 Difference]: Without dead ends: 3834 [2020-10-12 13:12:43,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:12:43,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2020-10-12 13:12:43,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3794. [2020-10-12 13:12:43,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3794 states. [2020-10-12 13:12:43,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3794 states to 3794 states and 4749 transitions. [2020-10-12 13:12:43,771 INFO L78 Accepts]: Start accepts. Automaton has 3794 states and 4749 transitions. Word has length 203 [2020-10-12 13:12:43,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:12:43,771 INFO L479 AbstractCegarLoop]: Abstraction has 3794 states and 4749 transitions. [2020-10-12 13:12:43,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:12:43,772 INFO L276 IsEmpty]: Start isEmpty. Operand 3794 states and 4749 transitions. [2020-10-12 13:12:43,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-12 13:12:43,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:12:43,776 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:12:43,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 13:12:43,776 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:12:43,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:12:43,777 INFO L82 PathProgramCache]: Analyzing trace with hash -267582160, now seen corresponding path program 1 times [2020-10-12 13:12:43,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:12:43,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81987966] [2020-10-12 13:12:43,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:12:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:43,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:44,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:44,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-12 13:12:44,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:44,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 469 [2020-10-12 13:12:44,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:44,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:44,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-12 13:12:44,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 13:12:44,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:44,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:12:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:44,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:44,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:44,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:12:44,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:44,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:12:44,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:44,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:12:44,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:44,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:12:44,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:44,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:12:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:44,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:44,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:44,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-12 13:12:44,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:44,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-12 13:12:44,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:44,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:12:44,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:44,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-12 13:12:44,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:44,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 13:12:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:44,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:44,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:44,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:12:44,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:44,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-12 13:12:44,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:44,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:44,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:12:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:12:44,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:12:44,930 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:12:44,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81987966] [2020-10-12 13:12:44,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:12:44,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:12:44,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088817558] [2020-10-12 13:12:44,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:12:44,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:12:44,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:12:44,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:12:44,933 INFO L87 Difference]: Start difference. First operand 3794 states and 4749 transitions. Second operand 7 states. [2020-10-12 13:12:47,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:12:47,882 INFO L93 Difference]: Finished difference Result 9752 states and 12754 transitions. [2020-10-12 13:12:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:12:47,883 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-10-12 13:12:47,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:12:47,912 INFO L225 Difference]: With dead ends: 9752 [2020-10-12 13:12:47,912 INFO L226 Difference]: Without dead ends: 6342 [2020-10-12 13:12:47,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:12:47,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6342 states. [2020-10-12 13:12:48,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6342 to 6112. [2020-10-12 13:12:48,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6112 states. [2020-10-12 13:12:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6112 states to 6112 states and 7632 transitions. [2020-10-12 13:12:48,092 INFO L78 Accepts]: Start accepts. Automaton has 6112 states and 7632 transitions. Word has length 213 [2020-10-12 13:12:48,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:12:48,093 INFO L479 AbstractCegarLoop]: Abstraction has 6112 states and 7632 transitions. [2020-10-12 13:12:48,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:12:48,093 INFO L276 IsEmpty]: Start isEmpty. Operand 6112 states and 7632 transitions. [2020-10-12 13:12:48,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-12 13:12:48,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:12:48,100 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:12:48,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 13:12:48,101 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:12:48,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:12:48,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1680814493, now seen corresponding path program 1 times [2020-10-12 13:12:48,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:12:48,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1959423700] [2020-10-12 13:12:48,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:12:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:48,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:48,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:48,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-12 13:12:48,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:48,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 390 [2020-10-12 13:12:48,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:48,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:48,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-12 13:12:48,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 13:12:48,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:48,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:12:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:48,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:48,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:48,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:12:48,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:48,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:12:48,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:48,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:12:48,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:48,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:12:48,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:48,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:12:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:48,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:48,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:48,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:12:48,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:48,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 13:12:48,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:48,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:12:48,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:48,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:12:48,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:48,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:12:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:48,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:48,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:48,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 13:12:48,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:48,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-12 13:12:48,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:12:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:48,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 13:12:48,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:12:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-12 13:12:48,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1959423700] [2020-10-12 13:12:48,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:12:48,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:12:48,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41986321] [2020-10-12 13:12:48,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:12:48,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:12:48,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:12:48,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:12:48,967 INFO L87 Difference]: Start difference. First operand 6112 states and 7632 transitions. Second operand 5 states. [2020-10-12 13:12:51,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:12:51,278 INFO L93 Difference]: Finished difference Result 11870 states and 14898 transitions. [2020-10-12 13:12:51,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:12:51,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 214 [2020-10-12 13:12:51,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:12:51,324 INFO L225 Difference]: With dead ends: 11870 [2020-10-12 13:12:51,324 INFO L226 Difference]: Without dead ends: 6142 [2020-10-12 13:12:51,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:12:51,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6142 states. [2020-10-12 13:12:51,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6142 to 5544. [2020-10-12 13:12:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5544 states. [2020-10-12 13:12:51,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5544 states to 5544 states and 6848 transitions. [2020-10-12 13:12:51,473 INFO L78 Accepts]: Start accepts. Automaton has 5544 states and 6848 transitions. Word has length 214 [2020-10-12 13:12:51,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:12:51,473 INFO L479 AbstractCegarLoop]: Abstraction has 5544 states and 6848 transitions. [2020-10-12 13:12:51,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:12:51,474 INFO L276 IsEmpty]: Start isEmpty. Operand 5544 states and 6848 transitions. [2020-10-12 13:12:51,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 13:12:51,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:12:51,478 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:12:51,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 13:12:51,479 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:12:51,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:12:51,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1215552756, now seen corresponding path program 1 times [2020-10-12 13:12:51,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:12:51,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037846153] [2020-10-12 13:12:51,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:12:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:51,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:51,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:51,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-12 13:12:51,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:51,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-12 13:12:51,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:51,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:51,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:12:51,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 13:12:51,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:52,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:12:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:52,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:52,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:52,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:12:52,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:52,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:12:52,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:52,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:12:52,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:52,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:12:52,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:52,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:12:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:52,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:52,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:52,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:12:52,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:52,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-12 13:12:52,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:52,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:12:52,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:52,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:12:52,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:52,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:12:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:52,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:52,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:52,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:12:52,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:52,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-12 13:12:52,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:52,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:52,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:12:52,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:12:52,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:12:52,648 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:12:52,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037846153] [2020-10-12 13:12:52,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:12:52,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:12:52,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288989058] [2020-10-12 13:12:52,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:12:52,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:12:52,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:12:52,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:12:52,651 INFO L87 Difference]: Start difference. First operand 5544 states and 6848 transitions. Second operand 7 states. [2020-10-12 13:12:55,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:12:55,223 INFO L93 Difference]: Finished difference Result 9407 states and 11749 transitions. [2020-10-12 13:12:55,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:12:55,224 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 218 [2020-10-12 13:12:55,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:12:55,243 INFO L225 Difference]: With dead ends: 9407 [2020-10-12 13:12:55,244 INFO L226 Difference]: Without dead ends: 5793 [2020-10-12 13:12:55,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:12:55,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5793 states. [2020-10-12 13:12:55,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5793 to 5756. [2020-10-12 13:12:55,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5756 states. [2020-10-12 13:12:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5756 states to 5756 states and 7106 transitions. [2020-10-12 13:12:55,372 INFO L78 Accepts]: Start accepts. Automaton has 5756 states and 7106 transitions. Word has length 218 [2020-10-12 13:12:55,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:12:55,372 INFO L479 AbstractCegarLoop]: Abstraction has 5756 states and 7106 transitions. [2020-10-12 13:12:55,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:12:55,373 INFO L276 IsEmpty]: Start isEmpty. Operand 5756 states and 7106 transitions. [2020-10-12 13:12:55,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-12 13:12:55,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:12:55,377 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:12:55,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 13:12:55,378 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:12:55,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:12:55,378 INFO L82 PathProgramCache]: Analyzing trace with hash 986441569, now seen corresponding path program 1 times [2020-10-12 13:12:55,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:12:55,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [166539413] [2020-10-12 13:12:55,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:12:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:55,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:55,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:55,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-12 13:12:55,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:55,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 465 [2020-10-12 13:12:55,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-12 13:12:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 13:12:55,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:56,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:12:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:56,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:56,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:56,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:12:56,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:56,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:12:56,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:56,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:12:56,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:56,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:12:56,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:12:56,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:12:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:56,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:56,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:56,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 13:12:56,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:56,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-12 13:12:56,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:12:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:12:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 13:12:56,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:12:56,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:12:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:12:56,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:12:56,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:12:56,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:12:56,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:12:56,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-12 13:12:56,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:12:56,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:12:56,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:12:56,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:12:56,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:12:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:12:56,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [166539413] [2020-10-12 13:12:56,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:12:56,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:12:56,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472921905] [2020-10-12 13:12:56,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:12:56,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:12:56,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:12:56,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:12:56,647 INFO L87 Difference]: Start difference. First operand 5756 states and 7106 transitions. Second operand 8 states. [2020-10-12 13:13:00,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:00,298 INFO L93 Difference]: Finished difference Result 13684 states and 17241 transitions. [2020-10-12 13:13:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 13:13:00,304 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-10-12 13:13:00,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:00,327 INFO L225 Difference]: With dead ends: 13684 [2020-10-12 13:13:00,327 INFO L226 Difference]: Without dead ends: 8312 [2020-10-12 13:13:00,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-12 13:13:00,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8312 states. [2020-10-12 13:13:00,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8312 to 8057. [2020-10-12 13:13:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8057 states. [2020-10-12 13:13:00,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8057 states to 8057 states and 9759 transitions. [2020-10-12 13:13:00,507 INFO L78 Accepts]: Start accepts. Automaton has 8057 states and 9759 transitions. Word has length 234 [2020-10-12 13:13:00,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:00,508 INFO L479 AbstractCegarLoop]: Abstraction has 8057 states and 9759 transitions. [2020-10-12 13:13:00,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:13:00,509 INFO L276 IsEmpty]: Start isEmpty. Operand 8057 states and 9759 transitions. [2020-10-12 13:13:00,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-12 13:13:00,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:00,517 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:13:00,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 13:13:00,518 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:00,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:00,518 INFO L82 PathProgramCache]: Analyzing trace with hash 326215368, now seen corresponding path program 1 times [2020-10-12 13:13:00,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:00,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125330348] [2020-10-12 13:13:00,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:00,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:00,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:01,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:01,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-12 13:13:01,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:13:01,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1260 [2020-10-12 13:13:01,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:01,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 13:13:01,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:13:01,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 242 [2020-10-12 13:13:01,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:01,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:02,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:02,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:02,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:02,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:02,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:13:02,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:02,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:13:02,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:02,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:02,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:02,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:02,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:13:02,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:02,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-12 13:13:02,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:13:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-12 13:13:02,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:02,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:13:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:02,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:02,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:02,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-12 13:13:02,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:02,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-12 13:13:02,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:02,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:02,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:02,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-12 13:13:02,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:02,665 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 6 proven. 94 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:13:02,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125330348] [2020-10-12 13:13:02,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:02,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:13:02,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723979482] [2020-10-12 13:13:02,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 13:13:02,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:02,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 13:13:02,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-12 13:13:02,671 INFO L87 Difference]: Start difference. First operand 8057 states and 9759 transitions. Second operand 9 states. [2020-10-12 13:13:07,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:07,173 INFO L93 Difference]: Finished difference Result 17474 states and 22650 transitions. [2020-10-12 13:13:07,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 13:13:07,174 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 236 [2020-10-12 13:13:07,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:07,216 INFO L225 Difference]: With dead ends: 17474 [2020-10-12 13:13:07,216 INFO L226 Difference]: Without dead ends: 11727 [2020-10-12 13:13:07,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-12 13:13:07,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11727 states. [2020-10-12 13:13:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11727 to 11397. [2020-10-12 13:13:07,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11397 states. [2020-10-12 13:13:07,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11397 states to 11397 states and 14133 transitions. [2020-10-12 13:13:07,499 INFO L78 Accepts]: Start accepts. Automaton has 11397 states and 14133 transitions. Word has length 236 [2020-10-12 13:13:07,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:07,500 INFO L479 AbstractCegarLoop]: Abstraction has 11397 states and 14133 transitions. [2020-10-12 13:13:07,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 13:13:07,500 INFO L276 IsEmpty]: Start isEmpty. Operand 11397 states and 14133 transitions. [2020-10-12 13:13:07,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-12 13:13:07,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:07,507 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:13:07,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 13:13:07,507 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:07,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:07,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1360926200, now seen corresponding path program 1 times [2020-10-12 13:13:07,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:07,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603758719] [2020-10-12 13:13:07,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:07,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:07,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:07,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 13:13:07,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:07,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-10-12 13:13:07,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:07,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:07,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-12 13:13:07,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 13:13:07,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:08,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:08,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:08,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:08,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:08,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:08,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:13:08,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:08,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:08,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:08,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:08,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:08,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:08,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-12 13:13:08,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:08,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-12 13:13:08,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:08,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:08,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:08,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-12 13:13:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:08,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:08,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:08,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:13:08,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:08,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-12 13:13:08,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:08,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:08,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:08,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 13:13:08,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:08,446 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-12 13:13:08,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603758719] [2020-10-12 13:13:08,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:08,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:13:08,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364261145] [2020-10-12 13:13:08,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:13:08,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:08,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:13:08,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:13:08,450 INFO L87 Difference]: Start difference. First operand 11397 states and 14133 transitions. Second operand 5 states. [2020-10-12 13:13:11,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:11,379 INFO L93 Difference]: Finished difference Result 23196 states and 29599 transitions. [2020-10-12 13:13:11,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:13:11,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 257 [2020-10-12 13:13:11,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:11,421 INFO L225 Difference]: With dead ends: 23196 [2020-10-12 13:13:11,422 INFO L226 Difference]: Without dead ends: 14303 [2020-10-12 13:13:11,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:13:11,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14303 states. [2020-10-12 13:13:11,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14303 to 13491. [2020-10-12 13:13:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13491 states. [2020-10-12 13:13:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13491 states to 13491 states and 17173 transitions. [2020-10-12 13:13:11,691 INFO L78 Accepts]: Start accepts. Automaton has 13491 states and 17173 transitions. Word has length 257 [2020-10-12 13:13:11,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:11,691 INFO L479 AbstractCegarLoop]: Abstraction has 13491 states and 17173 transitions. [2020-10-12 13:13:11,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:13:11,692 INFO L276 IsEmpty]: Start isEmpty. Operand 13491 states and 17173 transitions. [2020-10-12 13:13:11,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-10-12 13:13:11,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:11,700 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:13:11,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 13:13:11,701 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:11,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:11,701 INFO L82 PathProgramCache]: Analyzing trace with hash -519799787, now seen corresponding path program 1 times [2020-10-12 13:13:11,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:11,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044690806] [2020-10-12 13:13:11,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:11,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:12,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:12,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:12,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-10-12 13:13:12,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:13:12,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 846 [2020-10-12 13:13:12,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:12,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:12,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-12 13:13:12,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 13:13:12,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:12,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:12,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:12,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:12,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:12,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:12,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:13:12,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:12,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:12,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:12,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:12,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:12,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:13:12,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:12,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 13:13:12,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:12,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:12,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:12,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:12,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:12,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:13:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:12,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:13,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:13,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 13:13:13,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:13,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-12 13:13:13,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:13,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:13,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:13,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 13:13:13,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:13,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-12 13:13:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:13,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:13,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:13,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:13,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:13:13,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:13:13,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-12 13:13:13,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:13,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:13,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:13,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:13:13,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:13,387 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-12 13:13:13,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1044690806] [2020-10-12 13:13:13,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:13,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:13:13,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705117505] [2020-10-12 13:13:13,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:13:13,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:13,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:13:13,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:13:13,389 INFO L87 Difference]: Start difference. First operand 13491 states and 17173 transitions. Second operand 7 states. [2020-10-12 13:13:16,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:16,473 INFO L93 Difference]: Finished difference Result 24556 states and 31599 transitions. [2020-10-12 13:13:16,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 13:13:16,474 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 287 [2020-10-12 13:13:16,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:16,514 INFO L225 Difference]: With dead ends: 24556 [2020-10-12 13:13:16,514 INFO L226 Difference]: Without dead ends: 13554 [2020-10-12 13:13:16,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:13:16,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13554 states. [2020-10-12 13:13:16,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13554 to 13491. [2020-10-12 13:13:16,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13491 states. [2020-10-12 13:13:16,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13491 states to 13491 states and 17112 transitions. [2020-10-12 13:13:16,914 INFO L78 Accepts]: Start accepts. Automaton has 13491 states and 17112 transitions. Word has length 287 [2020-10-12 13:13:16,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:16,915 INFO L479 AbstractCegarLoop]: Abstraction has 13491 states and 17112 transitions. [2020-10-12 13:13:16,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:13:16,915 INFO L276 IsEmpty]: Start isEmpty. Operand 13491 states and 17112 transitions. [2020-10-12 13:13:16,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-10-12 13:13:16,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:16,926 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:13:16,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 13:13:16,926 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:16,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:16,927 INFO L82 PathProgramCache]: Analyzing trace with hash 2101200150, now seen corresponding path program 1 times [2020-10-12 13:13:16,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:16,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [461740920] [2020-10-12 13:13:16,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:17,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:17,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:18,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:18,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 314 [2020-10-12 13:13:18,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:13:18,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1321 [2020-10-12 13:13:18,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:18,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:18,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-12 13:13:18,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-12 13:13:18,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:18,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:18,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:18,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:18,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:18,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:18,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 13:13:18,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:18,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:18,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:18,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:18,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:18,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 13:13:18,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:18,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-12 13:13:18,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:18,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 13:13:18,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:18,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:13:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:18,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:19,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:19,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 13:13:19,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:19,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-12 13:13:19,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:19,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:19,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:19,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 13:13:19,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 152 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:13:19,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [461740920] [2020-10-12 13:13:19,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:19,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:13:19,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340002566] [2020-10-12 13:13:19,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:13:19,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:19,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:13:19,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:13:19,820 INFO L87 Difference]: Start difference. First operand 13491 states and 17112 transitions. Second operand 7 states. [2020-10-12 13:13:23,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:23,557 INFO L93 Difference]: Finished difference Result 29934 states and 38660 transitions. [2020-10-12 13:13:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:13:23,558 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 302 [2020-10-12 13:13:23,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:23,603 INFO L225 Difference]: With dead ends: 29934 [2020-10-12 13:13:23,603 INFO L226 Difference]: Without dead ends: 16827 [2020-10-12 13:13:23,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:13:23,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16827 states. [2020-10-12 13:13:23,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16827 to 16746. [2020-10-12 13:13:23,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16746 states. [2020-10-12 13:13:23,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16746 states to 16746 states and 21106 transitions. [2020-10-12 13:13:23,944 INFO L78 Accepts]: Start accepts. Automaton has 16746 states and 21106 transitions. Word has length 302 [2020-10-12 13:13:23,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:23,945 INFO L479 AbstractCegarLoop]: Abstraction has 16746 states and 21106 transitions. [2020-10-12 13:13:23,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:13:23,945 INFO L276 IsEmpty]: Start isEmpty. Operand 16746 states and 21106 transitions. [2020-10-12 13:13:23,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-12 13:13:23,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:23,953 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:13:23,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 13:13:23,953 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:23,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:23,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1104614064, now seen corresponding path program 1 times [2020-10-12 13:13:23,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:23,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [727558557] [2020-10-12 13:13:23,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:24,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:24,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:25,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:25,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-12 13:13:25,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:13:25,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 997 [2020-10-12 13:13:25,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:25,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:25,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-10-12 13:13:25,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 13:13:25,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:25,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:25,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:25,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:25,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:25,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:25,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:13:25,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:25,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:25,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:25,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:25,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:25,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:25,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:25,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:25,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:13:25,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:25,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 13:13:25,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:25,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:25,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:25,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:25,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:25,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:13:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:25,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:25,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:25,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-12 13:13:25,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:25,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 13:13:25,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:25,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:25,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:25,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-12 13:13:25,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:25,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 13:13:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:25,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:25,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:25,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:25,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:13:25,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:13:25,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-12 13:13:25,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:25,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:25,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:25,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:13:25,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:26,367 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-12 13:13:26,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [727558557] [2020-10-12 13:13:26,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:26,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:13:26,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563585236] [2020-10-12 13:13:26,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:13:26,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:26,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:13:26,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:13:26,388 INFO L87 Difference]: Start difference. First operand 16746 states and 21106 transitions. Second operand 7 states. [2020-10-12 13:13:28,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:28,870 INFO L93 Difference]: Finished difference Result 30514 states and 38821 transitions. [2020-10-12 13:13:28,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:13:28,871 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 309 [2020-10-12 13:13:28,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:28,910 INFO L225 Difference]: With dead ends: 30514 [2020-10-12 13:13:28,910 INFO L226 Difference]: Without dead ends: 16810 [2020-10-12 13:13:28,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:13:28,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16810 states. [2020-10-12 13:13:29,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16810 to 16744. [2020-10-12 13:13:29,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16744 states. [2020-10-12 13:13:29,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16744 states to 16744 states and 21042 transitions. [2020-10-12 13:13:29,201 INFO L78 Accepts]: Start accepts. Automaton has 16744 states and 21042 transitions. Word has length 309 [2020-10-12 13:13:29,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:29,202 INFO L479 AbstractCegarLoop]: Abstraction has 16744 states and 21042 transitions. [2020-10-12 13:13:29,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:13:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 16744 states and 21042 transitions. [2020-10-12 13:13:29,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-12 13:13:29,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:29,210 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:13:29,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 13:13:29,210 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:29,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:29,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1297899456, now seen corresponding path program 1 times [2020-10-12 13:13:29,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:29,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373581052] [2020-10-12 13:13:29,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:29,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:29,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:30,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:30,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 328 [2020-10-12 13:13:30,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:13:30,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1379 [2020-10-12 13:13:30,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:30,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-12 13:13:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 13:13:30,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:30,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:30,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:30,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:30,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:30,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:30,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 13:13:30,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:30,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:30,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:30,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:30,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:13:30,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:30,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:30,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:30,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-12 13:13:30,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:30,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 13:13:30,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:30,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:30,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:30,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:30,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:30,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 13:13:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:30,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:31,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:31,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 13:13:31,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:31,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-12 13:13:31,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:31,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-12 13:13:31,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:31,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-12 13:13:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:31,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:31,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:31,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:13:31,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:31,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-12 13:13:31,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:31,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:31,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:31,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:13:31,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:31,433 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-12 13:13:31,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373581052] [2020-10-12 13:13:31,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:31,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:13:31,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409074359] [2020-10-12 13:13:31,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:13:31,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:31,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:13:31,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:13:31,436 INFO L87 Difference]: Start difference. First operand 16744 states and 21042 transitions. Second operand 7 states. [2020-10-12 13:13:35,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:35,577 INFO L93 Difference]: Finished difference Result 30675 states and 38925 transitions. [2020-10-12 13:13:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 13:13:35,583 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 314 [2020-10-12 13:13:35,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:35,615 INFO L225 Difference]: With dead ends: 30675 [2020-10-12 13:13:35,616 INFO L226 Difference]: Without dead ends: 16627 [2020-10-12 13:13:35,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:13:35,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16627 states. [2020-10-12 13:13:35,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16627 to 16552. [2020-10-12 13:13:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16552 states. [2020-10-12 13:13:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16552 states to 16552 states and 20664 transitions. [2020-10-12 13:13:35,894 INFO L78 Accepts]: Start accepts. Automaton has 16552 states and 20664 transitions. Word has length 314 [2020-10-12 13:13:35,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:35,895 INFO L479 AbstractCegarLoop]: Abstraction has 16552 states and 20664 transitions. [2020-10-12 13:13:35,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:13:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 16552 states and 20664 transitions. [2020-10-12 13:13:35,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-10-12 13:13:35,903 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:35,903 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:13:35,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 13:13:35,904 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:35,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:35,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1630753072, now seen corresponding path program 1 times [2020-10-12 13:13:35,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:35,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [836415503] [2020-10-12 13:13:35,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:35,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:36,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:36,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 334 [2020-10-12 13:13:36,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:36,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 556 [2020-10-12 13:13:36,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:13:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-12 13:13:36,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:36,704 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-10-12 13:13:36,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:36,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:36,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:36,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:36,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:36,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:13:36,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:36,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:36,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:36,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:36,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:36,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:36,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:36,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:36,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:13:36,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:36,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-12 13:13:36,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:36,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:13:36,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:36,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:13:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:36,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:37,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:37,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-12 13:13:37,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:37,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-12 13:13:37,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-12 13:13:37,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:37,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-12 13:13:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:37,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:37,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:37,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:13:37,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:37,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 13:13:37,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:37,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-12 13:13:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:37,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 124 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-12 13:13:37,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [836415503] [2020-10-12 13:13:37,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:37,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:13:37,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555827486] [2020-10-12 13:13:37,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:13:37,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:37,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:13:37,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:13:37,271 INFO L87 Difference]: Start difference. First operand 16552 states and 20664 transitions. Second operand 7 states. [2020-10-12 13:13:41,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:41,249 INFO L93 Difference]: Finished difference Result 36753 states and 46083 transitions. [2020-10-12 13:13:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:13:41,250 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 320 [2020-10-12 13:13:41,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:41,293 INFO L225 Difference]: With dead ends: 36753 [2020-10-12 13:13:41,293 INFO L226 Difference]: Without dead ends: 20585 [2020-10-12 13:13:41,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:13:41,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20585 states. [2020-10-12 13:13:41,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20585 to 20151. [2020-10-12 13:13:41,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20151 states. [2020-10-12 13:13:41,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20151 states to 20151 states and 24233 transitions. [2020-10-12 13:13:41,668 INFO L78 Accepts]: Start accepts. Automaton has 20151 states and 24233 transitions. Word has length 320 [2020-10-12 13:13:41,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:41,669 INFO L479 AbstractCegarLoop]: Abstraction has 20151 states and 24233 transitions. [2020-10-12 13:13:41,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:13:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 20151 states and 24233 transitions. [2020-10-12 13:13:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-10-12 13:13:41,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:41,676 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:13:41,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 13:13:41,677 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:41,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:41,677 INFO L82 PathProgramCache]: Analyzing trace with hash 188932780, now seen corresponding path program 1 times [2020-10-12 13:13:41,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:41,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389576908] [2020-10-12 13:13:41,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:41,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:42,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:42,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 348 [2020-10-12 13:13:42,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:42,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 506 [2020-10-12 13:13:42,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:42,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:42,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-12 13:13:42,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 13:13:42,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:42,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:42,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:42,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:42,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:42,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:42,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:13:42,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:42,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:42,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:42,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:42,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:42,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:42,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:42,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:42,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:13:42,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:42,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 13:13:42,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:42,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:42,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:13:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:42,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:42,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:42,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:13:42,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:42,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-12 13:13:42,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:42,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:42,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:42,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-12 13:13:42,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:42,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-12 13:13:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:42,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:42,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:42,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:13:42,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:42,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-12 13:13:42,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:42,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:42,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:42,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:13:42,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:43,081 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-12 13:13:43,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389576908] [2020-10-12 13:13:43,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:43,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:13:43,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199357282] [2020-10-12 13:13:43,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:13:43,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:43,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:13:43,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:13:43,083 INFO L87 Difference]: Start difference. First operand 20151 states and 24233 transitions. Second operand 7 states. [2020-10-12 13:13:46,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:46,508 INFO L93 Difference]: Finished difference Result 38301 states and 46524 transitions. [2020-10-12 13:13:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:13:46,509 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 334 [2020-10-12 13:13:46,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:46,543 INFO L225 Difference]: With dead ends: 38301 [2020-10-12 13:13:46,543 INFO L226 Difference]: Without dead ends: 21598 [2020-10-12 13:13:46,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:13:46,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21598 states. [2020-10-12 13:13:46,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21598 to 21145. [2020-10-12 13:13:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21145 states. [2020-10-12 13:13:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21145 states to 21145 states and 25495 transitions. [2020-10-12 13:13:46,988 INFO L78 Accepts]: Start accepts. Automaton has 21145 states and 25495 transitions. Word has length 334 [2020-10-12 13:13:46,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:46,989 INFO L479 AbstractCegarLoop]: Abstraction has 21145 states and 25495 transitions. [2020-10-12 13:13:46,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:13:46,989 INFO L276 IsEmpty]: Start isEmpty. Operand 21145 states and 25495 transitions. [2020-10-12 13:13:46,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-10-12 13:13:46,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:46,997 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:13:46,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 13:13:46,998 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:46,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:46,998 INFO L82 PathProgramCache]: Analyzing trace with hash 192064095, now seen corresponding path program 1 times [2020-10-12 13:13:46,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:46,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [639234777] [2020-10-12 13:13:46,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:47,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:47,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:47,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 370 [2020-10-12 13:13:47,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:47,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-12 13:13:47,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:47,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:47,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 281 [2020-10-12 13:13:47,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 13:13:47,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:47,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:47,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:47,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:47,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:47,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:47,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:13:47,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:47,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:47,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:47,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:47,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:47,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:47,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:47,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:47,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:13:47,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:47,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 13:13:47,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:47,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:13:47,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:47,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:13:47,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:47,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:13:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:47,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:47,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:47,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-12 13:13:47,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:47,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 13:13:47,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 13:13:47,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:47,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-12 13:13:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:47,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:47,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:47,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:13:47,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:47,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-12 13:13:47,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:47,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:47,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:47,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:13:47,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-12 13:13:47,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [639234777] [2020-10-12 13:13:47,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:47,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:13:47,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922231355] [2020-10-12 13:13:47,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:13:47,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:47,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:13:47,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:13:47,941 INFO L87 Difference]: Start difference. First operand 21145 states and 25495 transitions. Second operand 7 states. [2020-10-12 13:13:51,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:13:51,200 INFO L93 Difference]: Finished difference Result 39449 states and 48735 transitions. [2020-10-12 13:13:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 13:13:51,202 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 356 [2020-10-12 13:13:51,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:13:51,271 INFO L225 Difference]: With dead ends: 39449 [2020-10-12 13:13:51,271 INFO L226 Difference]: Without dead ends: 21760 [2020-10-12 13:13:51,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-12 13:13:51,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21760 states. [2020-10-12 13:13:51,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21760 to 21525. [2020-10-12 13:13:51,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21525 states. [2020-10-12 13:13:51,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21525 states to 21525 states and 25923 transitions. [2020-10-12 13:13:51,647 INFO L78 Accepts]: Start accepts. Automaton has 21525 states and 25923 transitions. Word has length 356 [2020-10-12 13:13:51,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:13:51,647 INFO L479 AbstractCegarLoop]: Abstraction has 21525 states and 25923 transitions. [2020-10-12 13:13:51,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:13:51,647 INFO L276 IsEmpty]: Start isEmpty. Operand 21525 states and 25923 transitions. [2020-10-12 13:13:51,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-10-12 13:13:51,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:13:51,654 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 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, 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] [2020-10-12 13:13:51,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 13:13:51,655 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:13:51,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:13:51,655 INFO L82 PathProgramCache]: Analyzing trace with hash 332105703, now seen corresponding path program 1 times [2020-10-12 13:13:51,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:13:51,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [909287730] [2020-10-12 13:13:51,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:13:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:51,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:51,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:53,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:53,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 392 [2020-10-12 13:13:53,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:13:53,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1841 [2020-10-12 13:13:53,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:53,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 13:13:53,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:13:53,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 319 [2020-10-12 13:13:53,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:53,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:13:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:53,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:53,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:53,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:13:53,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:53,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 13:13:53,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:13:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:13:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:13:53,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:53,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:13:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:53,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:53,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:53,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 13:13:53,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:53,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-10-12 13:13:53,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:53,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:53,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:53,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-12 13:13:53,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:54,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:13:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:54,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:54,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:54,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 13:13:54,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:13:54,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-12 13:13:54,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:54,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:13:54,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:54,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-12 13:13:54,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:54,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-10-12 13:13:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:13:54,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:54,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:13:54,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:13:54,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:13:54,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:13:54,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-12 13:13:54,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:13:54,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:13:54,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:13:54,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:13:54,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:13:55,396 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 23 proven. 282 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 13:13:55,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [909287730] [2020-10-12 13:13:55,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:13:55,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 13:13:55,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927084428] [2020-10-12 13:13:55,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 13:13:55,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:13:55,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 13:13:55,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:13:55,399 INFO L87 Difference]: Start difference. First operand 21525 states and 25923 transitions. Second operand 11 states. [2020-10-12 13:13:58,609 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-10-12 13:14:00,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:00,767 INFO L93 Difference]: Finished difference Result 39693 states and 48158 transitions. [2020-10-12 13:14:00,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 13:14:00,769 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 378 [2020-10-12 13:14:00,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:00,807 INFO L225 Difference]: With dead ends: 39693 [2020-10-12 13:14:00,807 INFO L226 Difference]: Without dead ends: 21602 [2020-10-12 13:14:00,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2020-10-12 13:14:00,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21602 states. [2020-10-12 13:14:01,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21602 to 21525. [2020-10-12 13:14:01,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21525 states. [2020-10-12 13:14:01,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21525 states to 21525 states and 25913 transitions. [2020-10-12 13:14:01,152 INFO L78 Accepts]: Start accepts. Automaton has 21525 states and 25913 transitions. Word has length 378 [2020-10-12 13:14:01,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:01,153 INFO L479 AbstractCegarLoop]: Abstraction has 21525 states and 25913 transitions. [2020-10-12 13:14:01,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 13:14:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 21525 states and 25913 transitions. [2020-10-12 13:14:01,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-10-12 13:14:01,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:01,164 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:14:01,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 13:14:01,165 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:01,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:01,165 INFO L82 PathProgramCache]: Analyzing trace with hash 214613648, now seen corresponding path program 1 times [2020-10-12 13:14:01,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:01,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37844983] [2020-10-12 13:14:01,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:01,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:01,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:01,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:01,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:01,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:02,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:02,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 407 [2020-10-12 13:14:02,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:14:02,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1255 [2020-10-12 13:14:02,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:02,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:02,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:14:02,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 313 [2020-10-12 13:14:02,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:02,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:02,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:02,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:02,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:02,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:02,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:14:02,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:02,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:02,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:14:02,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:02,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:02,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:02,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:03,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:03,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:14:03,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:14:03,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-12 13:14:03,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:03,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:03,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:03,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 13:14:03,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:03,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:14:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:03,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:03,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:03,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:03,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-12 13:14:03,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:14:03,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-10-12 13:14:03,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:03,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:03,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-12 13:14:03,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:14:03,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:03,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2020-10-12 13:14:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:03,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:03,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:03,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:14:03,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:03,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 13:14:03,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:03,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-12 13:14:03,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:03,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:04,007 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-12 13:14:04,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37844983] [2020-10-12 13:14:04,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:14:04,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:14:04,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591096766] [2020-10-12 13:14:04,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:14:04,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:04,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:14:04,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:14:04,009 INFO L87 Difference]: Start difference. First operand 21525 states and 25913 transitions. Second operand 5 states. [2020-10-12 13:14:05,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:05,485 INFO L93 Difference]: Finished difference Result 39452 states and 47820 transitions. [2020-10-12 13:14:05,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:14:05,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 393 [2020-10-12 13:14:05,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:05,526 INFO L225 Difference]: With dead ends: 39452 [2020-10-12 13:14:05,526 INFO L226 Difference]: Without dead ends: 21383 [2020-10-12 13:14:05,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:14:05,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21383 states. [2020-10-12 13:14:05,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21383 to 21315. [2020-10-12 13:14:05,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21315 states. [2020-10-12 13:14:05,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21315 states to 21315 states and 25618 transitions. [2020-10-12 13:14:05,793 INFO L78 Accepts]: Start accepts. Automaton has 21315 states and 25618 transitions. Word has length 393 [2020-10-12 13:14:05,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:05,794 INFO L479 AbstractCegarLoop]: Abstraction has 21315 states and 25618 transitions. [2020-10-12 13:14:05,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:14:05,794 INFO L276 IsEmpty]: Start isEmpty. Operand 21315 states and 25618 transitions. [2020-10-12 13:14:05,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2020-10-12 13:14:05,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:05,803 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-10-12 13:14:05,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 13:14:05,803 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:05,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:05,804 INFO L82 PathProgramCache]: Analyzing trace with hash 899434545, now seen corresponding path program 1 times [2020-10-12 13:14:05,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:05,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1425260658] [2020-10-12 13:14:05,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:05,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:06,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:06,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 417 [2020-10-12 13:14:06,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:06,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-10-12 13:14:06,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-10-12 13:14:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-12 13:14:06,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:06,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:06,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:06,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:06,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:06,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:06,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:14:06,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:06,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:06,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:06,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:06,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:06,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-12 13:14:06,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:06,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 13:14:06,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:06,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:06,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:06,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 13:14:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:06,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:06,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:06,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-12 13:14:06,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:06,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-12 13:14:06,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:06,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:06,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:06,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 13:14:06,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:06,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-12 13:14:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:06,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:07,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:07,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-12 13:14:07,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:07,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-12 13:14:07,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-12 13:14:07,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:07,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-10-12 13:14:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:07,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:07,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:07,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:14:07,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:07,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-12 13:14:07,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:07,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-12 13:14:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:07,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 223 proven. 72 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-10-12 13:14:07,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1425260658] [2020-10-12 13:14:07,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:14:07,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:14:07,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495963520] [2020-10-12 13:14:07,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:14:07,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:07,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:14:07,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:14:07,378 INFO L87 Difference]: Start difference. First operand 21315 states and 25618 transitions. Second operand 7 states. [2020-10-12 13:14:11,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:11,196 INFO L93 Difference]: Finished difference Result 40587 states and 49334 transitions. [2020-10-12 13:14:11,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:14:11,198 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 401 [2020-10-12 13:14:11,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:11,239 INFO L225 Difference]: With dead ends: 40587 [2020-10-12 13:14:11,239 INFO L226 Difference]: Without dead ends: 22728 [2020-10-12 13:14:11,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:14:11,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22728 states. [2020-10-12 13:14:11,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22728 to 22656. [2020-10-12 13:14:11,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22656 states. [2020-10-12 13:14:11,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22656 states to 22656 states and 27219 transitions. [2020-10-12 13:14:11,605 INFO L78 Accepts]: Start accepts. Automaton has 22656 states and 27219 transitions. Word has length 401 [2020-10-12 13:14:11,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:11,605 INFO L479 AbstractCegarLoop]: Abstraction has 22656 states and 27219 transitions. [2020-10-12 13:14:11,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:14:11,605 INFO L276 IsEmpty]: Start isEmpty. Operand 22656 states and 27219 transitions. [2020-10-12 13:14:11,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2020-10-12 13:14:11,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:11,618 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 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, 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] [2020-10-12 13:14:11,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 13:14:11,619 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:11,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:11,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1980121018, now seen corresponding path program 1 times [2020-10-12 13:14:11,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:11,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663970034] [2020-10-12 13:14:11,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:11,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:11,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:12,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:14,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:14,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 414 [2020-10-12 13:14:14,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:14:14,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2994 [2020-10-12 13:14:14,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:14,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 13:14:14,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 325 [2020-10-12 13:14:14,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 13:14:14,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:14,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:14,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:14,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:14,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:14,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:14,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:14:14,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:14,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:14,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:14,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:14,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:14,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:14,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:14,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:14,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 13:14:14,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:14,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 13:14:14,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:14,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:14,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:14,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:14,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:14,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:14:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:14,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:14,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:14,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-12 13:14:14,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:14,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-12 13:14:14,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:14,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:14,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:14,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-12 13:14:14,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:15,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-12 13:14:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:15,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:15,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:15,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:15,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:14:15,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:14:15,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-12 13:14:15,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:15,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 13:14:15,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:15,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:14:15,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:15,892 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-10-12 13:14:15,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663970034] [2020-10-12 13:14:15,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:14:15,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 13:14:15,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792335136] [2020-10-12 13:14:15,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 13:14:15,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:15,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 13:14:15,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:14:15,895 INFO L87 Difference]: Start difference. First operand 22656 states and 27219 transitions. Second operand 10 states. [2020-10-12 13:14:16,189 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2020-10-12 13:14:16,464 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2020-10-12 13:14:16,689 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2020-10-12 13:14:16,853 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2020-10-12 13:14:19,028 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2020-10-12 13:14:19,421 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2020-10-12 13:14:19,726 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2020-10-12 13:14:20,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:20,891 INFO L93 Difference]: Finished difference Result 42303 states and 51158 transitions. [2020-10-12 13:14:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 13:14:20,893 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 400 [2020-10-12 13:14:20,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:20,943 INFO L225 Difference]: With dead ends: 42303 [2020-10-12 13:14:20,943 INFO L226 Difference]: Without dead ends: 23049 [2020-10-12 13:14:20,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2020-10-12 13:14:20,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23049 states. [2020-10-12 13:14:21,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23049 to 22654. [2020-10-12 13:14:21,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22654 states. [2020-10-12 13:14:21,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22654 states to 22654 states and 27162 transitions. [2020-10-12 13:14:21,331 INFO L78 Accepts]: Start accepts. Automaton has 22654 states and 27162 transitions. Word has length 400 [2020-10-12 13:14:21,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:21,331 INFO L479 AbstractCegarLoop]: Abstraction has 22654 states and 27162 transitions. [2020-10-12 13:14:21,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 13:14:21,332 INFO L276 IsEmpty]: Start isEmpty. Operand 22654 states and 27162 transitions. [2020-10-12 13:14:21,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2020-10-12 13:14:21,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:21,346 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 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, 2, 2, 2, 2, 2, 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] [2020-10-12 13:14:21,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 13:14:21,347 INFO L427 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:21,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:21,347 INFO L82 PathProgramCache]: Analyzing trace with hash -920905034, now seen corresponding path program 1 times [2020-10-12 13:14:21,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:21,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081737871] [2020-10-12 13:14:21,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 13:14:21,448 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 13:14:21,449 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 13:14:21,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-12 13:14:21,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:14:21 BoogieIcfgContainer [2020-10-12 13:14:21,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:14:21,557 INFO L168 Benchmark]: Toolchain (without parser) took 129382.59 ms. Allocated memory was 140.5 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 98.7 MB in the beginning and 858.6 MB in the end (delta: -759.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-12 13:14:21,558 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 13:14:21,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 931.12 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 98.4 MB in the beginning and 146.8 MB in the end (delta: -48.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2020-10-12 13:14:21,559 INFO L168 Benchmark]: Boogie Preprocessor took 173.30 ms. Allocated memory is still 204.5 MB. Free memory was 146.8 MB in the beginning and 139.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2020-10-12 13:14:21,564 INFO L168 Benchmark]: RCFGBuilder took 2068.85 ms. Allocated memory was 204.5 MB in the beginning and 248.0 MB in the end (delta: 43.5 MB). Free memory was 139.3 MB in the beginning and 210.1 MB in the end (delta: -70.8 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. [2020-10-12 13:14:21,565 INFO L168 Benchmark]: TraceAbstraction took 126202.78 ms. Allocated memory was 248.0 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 210.1 MB in the beginning and 858.6 MB in the end (delta: -648.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-12 13:14:21,571 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 931.12 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 98.4 MB in the beginning and 146.8 MB in the end (delta: -48.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 173.30 ms. Allocated memory is still 204.5 MB. Free memory was 146.8 MB in the beginning and 139.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2068.85 ms. Allocated memory was 204.5 MB in the beginning and 248.0 MB in the end (delta: 43.5 MB). Free memory was 139.3 MB in the beginning and 210.1 MB in the end (delta: -70.8 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 126202.78 ms. Allocated memory was 248.0 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 210.1 MB in the beginning and 858.6 MB in the end (delta: -648.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 30]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int inputA = 1; [L8] int inputD = 4; [L9] int inputB = 2; [L10] int inputE = 5; [L11] int inputF = 6; [L12] int inputC = 3; [L15] int a29 = 130; [L16] int a4 = 1; [L17] int a23 = 312; [L18] int a8 = 15; [L19] int a25 = 10; [L20] int a3 = 1; [L1031] int output = -1; [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L531] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L537] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L542] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L549] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L555] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L561] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L566] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L572] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L575] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L581] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L586] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L598] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L603] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L615] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L621] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L628] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L635] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L642] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L647] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L658] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L663] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L670] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L675] COND FALSE !((((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15))) [L681] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L688] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L694] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L706] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15))) [L712] COND FALSE !(( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5)))))))) [L717] COND FALSE !(((( 277 < a29 && ((a8==15) && (((input == 6) && a23 <= -43 ) && (a25==13)))) && !(a4==1)) && (a3==1))) [L731] COND FALSE !(((a3==1) && (((!(a4==1) && ((( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))) && (input == 3))) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)))) [L738] COND FALSE !(((a3==1) && (( 306 < a23 && (((a4==1) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 1))) && a29 <= 140 )) && (a8==15)))) [L743] COND FALSE !((((( a23 <= -43 && ((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))))) && (a3==1)) && !(a4==1)) && (a8==15))) [L750] COND FALSE !(((!(a4==1) && (((a8==15) && ( a29 <= 140 && (((a25==10) || (a25==11)) && (input == 5)))) && a23 <= -43 )) && (a3==1))) [L757] COND FALSE !((((((a8==15) && ((a3==1) && ( a23 <= -43 && (input == 5)))) && !(a4==1)) && (a25==13)) && 277 < a29 )) [L769] COND FALSE !(((a8==15) && ((a3==1) && ( 306 < a23 && ((((((a25==11) || (a25==12)) || (a25==13)) && (input == 1)) && (a4==1)) && ((245 < a29) && (277 >= a29)) ))))) [L774] COND FALSE !((!(a4==1) && (((((((a25==12) || (a25==13)) && (input == 6)) && (a8==15)) && a23 <= -43 ) && (a3==1)) && a29 <= 140 ))) [L780] COND FALSE !(((a3==1) && (( a23 <= -43 && (((input == 6) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && !(a4==1))) && (a8==15)))) [L787] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 6)) && (a25==9))) && a29 <= 140 ) && (a3==1)) && (a8==15))) [L792] COND FALSE !((( a29 <= 140 && ((a3==1) && ((a8==15) && ((a25==13) && ( 306 < a23 && (input == 1)))))) && (a4==1))) [L799] COND FALSE !(((a3==1) && (((a8==15) && (((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 5)) && 306 < a23 )) && (a4==1)))) [L804] COND FALSE !((((((a8==15) && ((input == 4) && (( 277 < a29 && (a25==9)) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ( ((245 < a29) && (277 >= a29)) && (a25==13)))))) && !(a4==1)) && a23 <= -43 ) && (a3==1))) [L816] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (!(a4==1) && ((input == 5) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) )))))) && (a8==15)) && (a3==1))) [L822] COND FALSE !(( a29 <= 140 && ((((( 306 < a23 && (input == 2)) && (a25==13)) && (a4==1)) && (a3==1)) && (a8==15)))) [L825] COND FALSE !(((a8==15) && ((((a3==1) && ((((a25==10) || (a25==11)) && (input == 6)) && a29 <= 140 )) && a23 <= -43 ) && !(a4==1)))) [L831] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((a8==15) && (((a25==13) || ((a25==11) || (a25==12))) && (input == 4))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L836] COND FALSE !((((a3==1) && ((a8==15) && ((((a25==13) && (input == 4)) && (a4==1)) && a29 <= 140 ))) && 306 < a23 )) [L841] COND FALSE !((( 306 < a23 && ((a25==13) && ((((input == 3) && a29 <= 140 ) && (a3==1)) && (a4==1)))) && (a8==15))) [L846] COND FALSE !((!(a4==1) && (( 277 < a29 && ((((input == 4) && a23 <= -43 ) && (a8==15)) && (a3==1))) && (a25==13)))) [L852] COND FALSE !(((a3==1) && (((((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ) || (( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==12))) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13))))) && (input == 1)) && (a8==15)))) [L859] COND FALSE !(( 277 < a29 && ((a3==1) && ((a8==15) && ((a4==1) && ( 306 < a23 && ((input == 6) && (((a25==9) || (a25==10)) || (a25==11))))))))) [L865] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 4) && ((a25==12) || ((a25==10) || (a25==11))))) && (a8==15)) && !(a4==1)) && (a3==1)) && a29 <= 140 )) [L876] COND FALSE !(((((( a23 <= -43 && ((input == 5) && ((a25==12) || ((a25==10) || (a25==11))))) && (a3==1)) && !(a4==1)) && 277 < a29 ) && (a8==15))) [L881] COND FALSE !(((((a8==15) && ((a4==1) && (((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 2)))) && (a3==1)) && 306 < a23 )) [L886] COND FALSE !((( a23 <= -43 && ((( ((140 < a29) && (245 >= a29)) && ((input == 1) && (((a25==9) || (a25==10)) || (a25==11)))) && !(a4==1)) && (a8==15))) && (a3==1))) [L893] COND TRUE ((((a3==1) && ((((input == 2) && ((a25==12) || ((a25==10) || (a25==11)))) && (a4==1)) && (a8==15))) && a29 <= 140 ) && 306 < a23 ) [L895] a25 = 13 [L897] return 23; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L531] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L537] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L542] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L549] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L555] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L561] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L566] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L572] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L575] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L581] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L586] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L598] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L603] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L615] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L621] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L628] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L635] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L642] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L647] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L658] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L663] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L670] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L675] COND FALSE !((((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15))) [L681] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L688] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L694] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L706] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15))) [L712] COND FALSE !(( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5)))))))) [L717] COND FALSE !(((( 277 < a29 && ((a8==15) && (((input == 6) && a23 <= -43 ) && (a25==13)))) && !(a4==1)) && (a3==1))) [L731] COND FALSE !(((a3==1) && (((!(a4==1) && ((( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))) && (input == 3))) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)))) [L738] COND FALSE !(((a3==1) && (( 306 < a23 && (((a4==1) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 1))) && a29 <= 140 )) && (a8==15)))) [L743] COND FALSE !((((( a23 <= -43 && ((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))))) && (a3==1)) && !(a4==1)) && (a8==15))) [L750] COND FALSE !(((!(a4==1) && (((a8==15) && ( a29 <= 140 && (((a25==10) || (a25==11)) && (input == 5)))) && a23 <= -43 )) && (a3==1))) [L757] COND FALSE !((((((a8==15) && ((a3==1) && ( a23 <= -43 && (input == 5)))) && !(a4==1)) && (a25==13)) && 277 < a29 )) [L769] COND FALSE !(((a8==15) && ((a3==1) && ( 306 < a23 && ((((((a25==11) || (a25==12)) || (a25==13)) && (input == 1)) && (a4==1)) && ((245 < a29) && (277 >= a29)) ))))) [L774] COND FALSE !((!(a4==1) && (((((((a25==12) || (a25==13)) && (input == 6)) && (a8==15)) && a23 <= -43 ) && (a3==1)) && a29 <= 140 ))) [L780] COND FALSE !(((a3==1) && (( a23 <= -43 && (((input == 6) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && !(a4==1))) && (a8==15)))) [L787] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 6)) && (a25==9))) && a29 <= 140 ) && (a3==1)) && (a8==15))) [L792] COND FALSE !((( a29 <= 140 && ((a3==1) && ((a8==15) && ((a25==13) && ( 306 < a23 && (input == 1)))))) && (a4==1))) [L799] COND FALSE !(((a3==1) && (((a8==15) && (((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 5)) && 306 < a23 )) && (a4==1)))) [L804] COND FALSE !((((((a8==15) && ((input == 4) && (( 277 < a29 && (a25==9)) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ( ((245 < a29) && (277 >= a29)) && (a25==13)))))) && !(a4==1)) && a23 <= -43 ) && (a3==1))) [L816] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (!(a4==1) && ((input == 5) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) )))))) && (a8==15)) && (a3==1))) [L822] COND TRUE ( a29 <= 140 && ((((( 306 < a23 && (input == 2)) && (a25==13)) && (a4==1)) && (a3==1)) && (a8==15))) [L823] a29 = (((a29 / 5) + 165004) + 41645) [L824] return 23; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND TRUE (((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1)) [L234] a29 = ((((a29 / 5) - -25349) / 5) + 110879) [L235] a23 = ((((((a23 * 9)/ 10) + 1944) + 57035) % 90)- -48) [L236] a4 = 1 [L237] a25 = 9 [L239] return -1; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND TRUE ((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)) [L30] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 126.0s, OverallIterations: 25, TraceHistogramMax: 5, AutomataDifference: 79.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1162 SDtfs, 16970 SDslu, 2232 SDs, 0 SdLazy, 36788 SolverSat, 5159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 447 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 231 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22656occurred in iteration=23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.2s AutomataMinimizationTime, 24 MinimizatonAttempts, 4623 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 36.4s InterpolantComputationTime, 6450 NumberOfCodeBlocks, 6450 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 6009 ConstructedInterpolants, 0 QuantifiedInterpolants, 7371149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 3 PerfectInterpolantSequences, 3416/3973 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 incorrect! Received shutdown request...