/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_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:15:08,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:15:08,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:15:08,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:15:08,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:15:08,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:15:08,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:15:08,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:15:08,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:15:08,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:15:08,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:15:08,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:15:08,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:15:08,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:15:08,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:15:08,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:15:08,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:15:08,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:15:08,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:15:08,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:15:08,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:15:08,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:15:08,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:15:08,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:15:08,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:15:08,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:15:08,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:15:08,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:15:08,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:15:08,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:15:08,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:15:08,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:15:08,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:15:08,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:15:08,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:15:08,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:15:08,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:15:08,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:15:08,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:15:08,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:15:08,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:15:08,851 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 13:15:08,891 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:15:08,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:15:08,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:15:08,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:15:08,894 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:15:08,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:15:08,894 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:15:08,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:15:08,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:15:08,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:15:08,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:15:08,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:15:08,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:15:08,897 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:15:08,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:15:08,897 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:15:08,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:15:08,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:15:08,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:15:08,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:15:08,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:15:08,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:15:08,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:15:08,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:15:08,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:15:08,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:15:08,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:15:08,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:15:08,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:15:08,900 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 13:15:09,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:15:09,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:15:09,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:15:09,273 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:15:09,274 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:15:09,275 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label51.c [2020-10-12 13:15:09,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20e08fcc6/1db9dbc23a9b40b1b3c63832dcc93641/FLAGafa5fff6e [2020-10-12 13:15:09,986 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:15:09,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label51.c [2020-10-12 13:15:10,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20e08fcc6/1db9dbc23a9b40b1b3c63832dcc93641/FLAGafa5fff6e [2020-10-12 13:15:10,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20e08fcc6/1db9dbc23a9b40b1b3c63832dcc93641 [2020-10-12 13:15:10,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:15:10,231 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:15:10,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:15:10,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:15:10,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:15:10,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:15:10" (1/1) ... [2020-10-12 13:15:10,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193d5037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:15:10, skipping insertion in model container [2020-10-12 13:15:10,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:15:10" (1/1) ... [2020-10-12 13:15:10,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:15:10,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:15:11,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:15:11,024 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:15:11,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:15:11,326 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:15:11,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:15:11 WrapperNode [2020-10-12 13:15:11,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:15:11,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:15:11,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:15:11,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:15:11,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:15:11" (1/1) ... [2020-10-12 13:15:11,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:15:11" (1/1) ... [2020-10-12 13:15:11,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:15:11" (1/1) ... [2020-10-12 13:15:11,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:15:11" (1/1) ... [2020-10-12 13:15:11,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:15:11" (1/1) ... [2020-10-12 13:15:11,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:15:11" (1/1) ... [2020-10-12 13:15:11,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:15:11" (1/1) ... [2020-10-12 13:15:11,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:15:11,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:15:11,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:15:11,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:15:11,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:15:11" (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 13:15:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:15:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:15:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:15:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:15:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:15:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:15:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:15:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:15:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:15:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:15:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:15:13,520 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:15:13,521 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:15:13,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:15:13 BoogieIcfgContainer [2020-10-12 13:15:13,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:15:13,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:15:13,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:15:13,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:15:13,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:15:10" (1/3) ... [2020-10-12 13:15:13,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65afbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:15:13, skipping insertion in model container [2020-10-12 13:15:13,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:15:11" (2/3) ... [2020-10-12 13:15:13,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65afbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:15:13, skipping insertion in model container [2020-10-12 13:15:13,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:15:13" (3/3) ... [2020-10-12 13:15:13,538 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label51.c [2020-10-12 13:15:13,549 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:15:13,558 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:15:13,573 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:15:13,601 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:15:13,601 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:15:13,601 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:15:13,601 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:15:13,602 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:15:13,602 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:15:13,602 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:15:13,602 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:15:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-12 13:15:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-12 13:15:13,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:13,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:13,677 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:13,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:13,684 INFO L82 PathProgramCache]: Analyzing trace with hash 234227266, now seen corresponding path program 1 times [2020-10-12 13:15:13,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:13,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290918247] [2020-10-12 13:15:13,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:13,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:14,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:14,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 13:15:14,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:14,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-12 13:15:14,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:14,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:15:14,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:15:14,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 13:15:14,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 13:15:14,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:14,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:14,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:14,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:14,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:14,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 13:15:14,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:14,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:14,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:14,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:15:14,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:14,295 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 13:15:14,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290918247] [2020-10-12 13:15:14,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:15:14,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 13:15:14,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716116392] [2020-10-12 13:15:14,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 13:15:14,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:14,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 13:15:14,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 13:15:14,322 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-12 13:15:16,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:16,702 INFO L93 Difference]: Finished difference Result 791 states and 1386 transitions. [2020-10-12 13:15:16,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:15:16,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-12 13:15:16,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:16,723 INFO L225 Difference]: With dead ends: 791 [2020-10-12 13:15:16,724 INFO L226 Difference]: Without dead ends: 434 [2020-10-12 13:15:16,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:15:16,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-12 13:15:16,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2020-10-12 13:15:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-12 13:15:16,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 618 transitions. [2020-10-12 13:15:16,816 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 618 transitions. Word has length 17 [2020-10-12 13:15:16,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:16,817 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 618 transitions. [2020-10-12 13:15:16,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 13:15:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 618 transitions. [2020-10-12 13:15:16,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-12 13:15:16,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:16,821 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:16,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:15:16,822 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:16,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:16,823 INFO L82 PathProgramCache]: Analyzing trace with hash -904309470, now seen corresponding path program 1 times [2020-10-12 13:15:16,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:16,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624239925] [2020-10-12 13:15:16,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:16,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:17,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:17,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:17,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 13:15:17,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:15:17,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1071 [2020-10-12 13:15:17,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:17,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:15:17,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:15:17,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 13:15:17,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:15:18,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:18,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:18,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:18,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:18,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:18,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:15:18,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:15:18,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:18,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:18,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:18,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:18,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 13:15:18,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:18,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-12 13:15:18,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:18,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:18,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:18,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 13:15:18,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:18,338 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:15:18,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624239925] [2020-10-12 13:15:18,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:15:18,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 13:15:18,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191756425] [2020-10-12 13:15:18,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:15:18,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:18,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:15:18,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:15:18,343 INFO L87 Difference]: Start difference. First operand 430 states and 618 transitions. Second operand 8 states. [2020-10-12 13:15:21,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:21,831 INFO L93 Difference]: Finished difference Result 1664 states and 2471 transitions. [2020-10-12 13:15:21,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 13:15:21,838 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-10-12 13:15:21,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:21,852 INFO L225 Difference]: With dead ends: 1664 [2020-10-12 13:15:21,852 INFO L226 Difference]: Without dead ends: 1240 [2020-10-12 13:15:21,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-12 13:15:21,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2020-10-12 13:15:21,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1208. [2020-10-12 13:15:21,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2020-10-12 13:15:21,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1689 transitions. [2020-10-12 13:15:21,929 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1689 transitions. Word has length 89 [2020-10-12 13:15:21,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:21,930 INFO L479 AbstractCegarLoop]: Abstraction has 1208 states and 1689 transitions. [2020-10-12 13:15:21,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:15:21,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1689 transitions. [2020-10-12 13:15:21,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-12 13:15:21,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:21,934 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:21,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:15:21,934 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:21,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:21,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1508869126, now seen corresponding path program 1 times [2020-10-12 13:15:21,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:21,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271389917] [2020-10-12 13:15:21,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:21,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:22,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:22,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:22,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:22,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-12 13:15:22,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:15:22,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 955 [2020-10-12 13:15:22,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:22,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:15:22,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:15:22,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-12 13:15:22,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:22,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:22,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:22,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:22,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:22,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:22,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:15:22,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:22,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:15:22,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:23,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:23,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:23,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:23,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 13:15:23,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:23,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-12 13:15:23,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 13:15:23,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:23,366 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:15:23,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271389917] [2020-10-12 13:15:23,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:15:23,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:15:23,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208661897] [2020-10-12 13:15:23,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:15:23,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:23,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:15:23,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:15:23,369 INFO L87 Difference]: Start difference. First operand 1208 states and 1689 transitions. Second operand 7 states. [2020-10-12 13:15:26,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:26,259 INFO L93 Difference]: Finished difference Result 3598 states and 5126 transitions. [2020-10-12 13:15:26,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 13:15:26,260 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2020-10-12 13:15:26,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:26,274 INFO L225 Difference]: With dead ends: 3598 [2020-10-12 13:15:26,274 INFO L226 Difference]: Without dead ends: 2396 [2020-10-12 13:15:26,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:15:26,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2020-10-12 13:15:26,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 2382. [2020-10-12 13:15:26,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2382 states. [2020-10-12 13:15:26,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2382 states and 3065 transitions. [2020-10-12 13:15:26,370 INFO L78 Accepts]: Start accepts. Automaton has 2382 states and 3065 transitions. Word has length 91 [2020-10-12 13:15:26,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:26,373 INFO L479 AbstractCegarLoop]: Abstraction has 2382 states and 3065 transitions. [2020-10-12 13:15:26,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:15:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 3065 transitions. [2020-10-12 13:15:26,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 13:15:26,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:26,384 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:26,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:15:26,384 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:26,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:26,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1685901178, now seen corresponding path program 1 times [2020-10-12 13:15:26,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:26,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353195748] [2020-10-12 13:15:26,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:26,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:26,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:26,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-12 13:15:26,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:26,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-12 13:15:26,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:26,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:26,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:15:26,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 13:15:26,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:26,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:26,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:26,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:26,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:26,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:26,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:15:26,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:26,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:26,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:26,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:26,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:26,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:26,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:27,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:27,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:15:27,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:27,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-12 13:15:27,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:27,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:27,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:27,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:15:27,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:15:27,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353195748] [2020-10-12 13:15:27,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:27,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:15:27,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603254165] [2020-10-12 13:15:27,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:15:27,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:27,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:15:27,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:15:27,142 INFO L87 Difference]: Start difference. First operand 2382 states and 3065 transitions. Second operand 5 states. [2020-10-12 13:15:29,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:29,233 INFO L93 Difference]: Finished difference Result 5352 states and 6985 transitions. [2020-10-12 13:15:29,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:15:29,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-10-12 13:15:29,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:29,253 INFO L225 Difference]: With dead ends: 5352 [2020-10-12 13:15:29,253 INFO L226 Difference]: Without dead ends: 3164 [2020-10-12 13:15:29,259 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 13:15:29,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3164 states. [2020-10-12 13:15:29,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3164 to 2955. [2020-10-12 13:15:29,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2955 states. [2020-10-12 13:15:29,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2955 states and 3787 transitions. [2020-10-12 13:15:29,343 INFO L78 Accepts]: Start accepts. Automaton has 2955 states and 3787 transitions. Word has length 148 [2020-10-12 13:15:29,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:29,345 INFO L479 AbstractCegarLoop]: Abstraction has 2955 states and 3787 transitions. [2020-10-12 13:15:29,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:15:29,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 3787 transitions. [2020-10-12 13:15:29,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-12 13:15:29,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:29,350 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:15:29,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:15:29,351 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:29,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:29,351 INFO L82 PathProgramCache]: Analyzing trace with hash 760632652, now seen corresponding path program 1 times [2020-10-12 13:15:29,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:29,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [726089182] [2020-10-12 13:15:29,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:29,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:29,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:30,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:31,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:31,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 13:15:31,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:15:31,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1805 [2020-10-12 13:15:31,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202 [2020-10-12 13:15:31,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 13:15:31,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:31,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:31,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:31,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:31,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:31,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:31,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:15:31,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:31,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:31,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:31,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:31,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:31,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:31,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:31,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:31,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:15:31,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:31,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-12 13:15:31,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:31,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:31,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:31,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:31,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:31,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:15:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:31,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:31,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:31,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 13:15:31,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:31,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-12 13:15:31,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:31,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 13:15:31,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:31,735 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-12 13:15:31,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [726089182] [2020-10-12 13:15:31,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:31,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:15:31,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993757353] [2020-10-12 13:15:31,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:15:31,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:31,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:15:31,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:15:31,743 INFO L87 Difference]: Start difference. First operand 2955 states and 3787 transitions. Second operand 5 states. [2020-10-12 13:15:33,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:33,362 INFO L93 Difference]: Finished difference Result 5737 states and 7420 transitions. [2020-10-12 13:15:33,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:15:33,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 207 [2020-10-12 13:15:33,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:33,387 INFO L225 Difference]: With dead ends: 5737 [2020-10-12 13:15:33,388 INFO L226 Difference]: Without dead ends: 2967 [2020-10-12 13:15:33,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:15:33,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2967 states. [2020-10-12 13:15:33,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2967 to 2955. [2020-10-12 13:15:33,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2955 states. [2020-10-12 13:15:33,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2955 states and 3779 transitions. [2020-10-12 13:15:33,482 INFO L78 Accepts]: Start accepts. Automaton has 2955 states and 3779 transitions. Word has length 207 [2020-10-12 13:15:33,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:33,483 INFO L479 AbstractCegarLoop]: Abstraction has 2955 states and 3779 transitions. [2020-10-12 13:15:33,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:15:33,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 3779 transitions. [2020-10-12 13:15:33,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 13:15:33,489 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:33,489 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:15:33,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:15:33,489 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:33,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:33,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1744025536, now seen corresponding path program 1 times [2020-10-12 13:15:33,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:33,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1632026863] [2020-10-12 13:15:33,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:33,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:34,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:34,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-12 13:15:34,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:34,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 517 [2020-10-12 13:15:34,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:34,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:34,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-12 13:15:34,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 13:15:34,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:34,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:34,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:34,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:34,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:34,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:34,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 13:15:34,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:34,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:34,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:34,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:34,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:34,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:34,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:34,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:34,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:15:34,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:34,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 13:15:34,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:34,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:34,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:34,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:34,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:15:34,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:15:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:34,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:34,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:34,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 13:15:34,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:34,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-12 13:15:34,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:34,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:34,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:34,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 13:15:34,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-12 13:15:34,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1632026863] [2020-10-12 13:15:34,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:34,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:15:34,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975000457] [2020-10-12 13:15:34,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:15:34,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:34,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:15:34,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:15:34,438 INFO L87 Difference]: Start difference. First operand 2955 states and 3779 transitions. Second operand 5 states. [2020-10-12 13:15:36,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:36,855 INFO L93 Difference]: Finished difference Result 6501 states and 8514 transitions. [2020-10-12 13:15:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:15:36,856 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 217 [2020-10-12 13:15:36,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:36,878 INFO L225 Difference]: With dead ends: 6501 [2020-10-12 13:15:36,879 INFO L226 Difference]: Without dead ends: 3740 [2020-10-12 13:15:36,888 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 13:15:36,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2020-10-12 13:15:36,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 3722. [2020-10-12 13:15:36,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3722 states. [2020-10-12 13:15:36,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 4665 transitions. [2020-10-12 13:15:36,986 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 4665 transitions. Word has length 217 [2020-10-12 13:15:36,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:36,986 INFO L479 AbstractCegarLoop]: Abstraction has 3722 states and 4665 transitions. [2020-10-12 13:15:36,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:15:36,987 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 4665 transitions. [2020-10-12 13:15:36,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-12 13:15:36,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:36,991 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:36,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 13:15:36,992 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:36,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:36,992 INFO L82 PathProgramCache]: Analyzing trace with hash -191772248, now seen corresponding path program 1 times [2020-10-12 13:15:36,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:36,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742630853] [2020-10-12 13:15:36,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:37,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:37,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:37,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:37,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:38,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:42,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:42,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-12 13:15:42,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:15:42,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4960 [2020-10-12 13:15:42,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:42,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:15:42,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:15:42,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-12 13:15:42,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:42,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:42,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:42,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:42,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:42,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:42,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 13:15:42,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:42,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:15:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:42,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:42,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:42,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:42,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:42,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:15:42,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:15:42,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-10-12 13:15:42,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:42,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:42,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:42,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-12 13:15:42,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:42,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:15:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:42,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:42,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:42,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 13:15:42,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:42,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 13:15:42,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:42,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:42,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-12 13:15:42,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:42,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 20 proven. 75 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:15:42,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742630853] [2020-10-12 13:15:42,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:42,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:15:42,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316033711] [2020-10-12 13:15:42,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:15:42,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:42,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:15:42,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:15:42,646 INFO L87 Difference]: Start difference. First operand 3722 states and 4665 transitions. Second operand 7 states. [2020-10-12 13:15:45,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:45,348 INFO L93 Difference]: Finished difference Result 8516 states and 11372 transitions. [2020-10-12 13:15:45,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 13:15:45,351 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 228 [2020-10-12 13:15:45,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:45,373 INFO L225 Difference]: With dead ends: 8516 [2020-10-12 13:15:45,373 INFO L226 Difference]: Without dead ends: 4988 [2020-10-12 13:15:45,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 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 13:15:45,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2020-10-12 13:15:45,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4911. [2020-10-12 13:15:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4911 states. [2020-10-12 13:15:45,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4911 states to 4911 states and 6060 transitions. [2020-10-12 13:15:45,514 INFO L78 Accepts]: Start accepts. Automaton has 4911 states and 6060 transitions. Word has length 228 [2020-10-12 13:15:45,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:45,514 INFO L479 AbstractCegarLoop]: Abstraction has 4911 states and 6060 transitions. [2020-10-12 13:15:45,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:15:45,515 INFO L276 IsEmpty]: Start isEmpty. Operand 4911 states and 6060 transitions. [2020-10-12 13:15:45,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-12 13:15:45,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:45,519 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:45,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 13:15:45,520 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:45,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:45,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1762433059, now seen corresponding path program 1 times [2020-10-12 13:15:45,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:45,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [56305241] [2020-10-12 13:15:45,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:45,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:45,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:47,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:47,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-12 13:15:47,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:15:47,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1554 [2020-10-12 13:15:47,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:47,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:47,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 13:15:47,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-12 13:15:47,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:47,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:47,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:47,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:47,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:47,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:47,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:15:47,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:47,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:47,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:47,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:47,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:47,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:47,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:47,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:47,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:15:47,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:47,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-12 13:15:47,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:47,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:47,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:47,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-12 13:15:47,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:47,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:15:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:47,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:47,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:47,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 13:15:47,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:47,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-12 13:15:47,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:47,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:47,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:47,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-12 13:15:47,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:47,691 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 118 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:15:47,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [56305241] [2020-10-12 13:15:47,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:47,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:15:47,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460838703] [2020-10-12 13:15:47,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:15:47,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:47,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:15:47,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:15:47,694 INFO L87 Difference]: Start difference. First operand 4911 states and 6060 transitions. Second operand 7 states. [2020-10-12 13:15:51,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:51,063 INFO L93 Difference]: Finished difference Result 11834 states and 15138 transitions. [2020-10-12 13:15:51,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:15:51,064 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2020-10-12 13:15:51,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:51,108 INFO L225 Difference]: With dead ends: 11834 [2020-10-12 13:15:51,108 INFO L226 Difference]: Without dead ends: 7117 [2020-10-12 13:15:51,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:15:51,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7117 states. [2020-10-12 13:15:51,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7117 to 7091. [2020-10-12 13:15:51,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7091 states. [2020-10-12 13:15:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7091 states to 7091 states and 8997 transitions. [2020-10-12 13:15:51,287 INFO L78 Accepts]: Start accepts. Automaton has 7091 states and 8997 transitions. Word has length 234 [2020-10-12 13:15:51,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:51,289 INFO L479 AbstractCegarLoop]: Abstraction has 7091 states and 8997 transitions. [2020-10-12 13:15:51,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:15:51,289 INFO L276 IsEmpty]: Start isEmpty. Operand 7091 states and 8997 transitions. [2020-10-12 13:15:51,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-12 13:15:51,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:51,295 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:15:51,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 13:15:51,295 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:51,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:51,296 INFO L82 PathProgramCache]: Analyzing trace with hash 566337071, now seen corresponding path program 1 times [2020-10-12 13:15:51,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:51,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878491646] [2020-10-12 13:15:51,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:51,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:51,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:51,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-12 13:15:51,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:51,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 458 [2020-10-12 13:15:51,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:51,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:51,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-12 13:15:51,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 13:15:51,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:15:51,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:51,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:51,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:51,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:51,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:51,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:15:51,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:51,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:51,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:51,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:51,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:51,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:51,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:51,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:51,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-12 13:15:51,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:51,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 13:15:51,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:51,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:15:52,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 13:15:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:52,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:52,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:52,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 13:15:52,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:52,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-12 13:15:52,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:52,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:52,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:52,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-12 13:15:52,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:15:52,337 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-12 13:15:52,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878491646] [2020-10-12 13:15:52,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:52,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:15:52,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763869108] [2020-10-12 13:15:52,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:15:52,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:52,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:15:52,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:15:52,345 INFO L87 Difference]: Start difference. First operand 7091 states and 8997 transitions. Second operand 5 states. [2020-10-12 13:15:54,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:54,483 INFO L93 Difference]: Finished difference Result 15150 states and 19424 transitions. [2020-10-12 13:15:54,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:15:54,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 244 [2020-10-12 13:15:54,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:54,515 INFO L225 Difference]: With dead ends: 15150 [2020-10-12 13:15:54,515 INFO L226 Difference]: Without dead ends: 8253 [2020-10-12 13:15:54,530 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 13:15:54,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8253 states. [2020-10-12 13:15:54,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8253 to 8049. [2020-10-12 13:15:54,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8049 states. [2020-10-12 13:15:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8049 states to 8049 states and 10082 transitions. [2020-10-12 13:15:54,689 INFO L78 Accepts]: Start accepts. Automaton has 8049 states and 10082 transitions. Word has length 244 [2020-10-12 13:15:54,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:54,690 INFO L479 AbstractCegarLoop]: Abstraction has 8049 states and 10082 transitions. [2020-10-12 13:15:54,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:15:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 8049 states and 10082 transitions. [2020-10-12 13:15:54,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-12 13:15:54,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:54,695 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:54,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 13:15:54,696 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:54,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:54,696 INFO L82 PathProgramCache]: Analyzing trace with hash 172996095, now seen corresponding path program 1 times [2020-10-12 13:15:54,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:54,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466650751] [2020-10-12 13:15:54,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:54,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:54,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:55,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:56,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:56,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-12 13:15:56,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:15:56,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1585 [2020-10-12 13:15:56,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:56,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:15:56,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-12 13:15:56,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-12 13:15:56,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:15:56,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:56,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:56,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:56,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:56,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:56,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:15:56,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:56,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:56,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:56,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:56,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:56,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 13:15:56,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:56,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 13:15:56,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:56,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:56,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:56,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 13:15:56,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:56,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:15:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:56,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:56,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:56,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:56,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 13:15:56,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:15:56,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-12 13:15:56,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:56,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:56,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:56,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 13:15:56,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:56,868 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 85 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:15:56,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466650751] [2020-10-12 13:15:56,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:56,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:15:56,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848392541] [2020-10-12 13:15:56,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:15:56,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:56,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:15:56,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:15:56,871 INFO L87 Difference]: Start difference. First operand 8049 states and 10082 transitions. Second operand 6 states. [2020-10-12 13:15:59,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:59,391 INFO L93 Difference]: Finished difference Result 17089 states and 21792 transitions. [2020-10-12 13:15:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:15:59,392 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 244 [2020-10-12 13:15:59,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:59,419 INFO L225 Difference]: With dead ends: 17089 [2020-10-12 13:15:59,420 INFO L226 Difference]: Without dead ends: 9234 [2020-10-12 13:15:59,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:15:59,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9234 states. [2020-10-12 13:15:59,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9234 to 9213. [2020-10-12 13:15:59,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9213 states. [2020-10-12 13:15:59,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9213 states to 9213 states and 11464 transitions. [2020-10-12 13:15:59,640 INFO L78 Accepts]: Start accepts. Automaton has 9213 states and 11464 transitions. Word has length 244 [2020-10-12 13:15:59,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:59,641 INFO L479 AbstractCegarLoop]: Abstraction has 9213 states and 11464 transitions. [2020-10-12 13:15:59,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:15:59,642 INFO L276 IsEmpty]: Start isEmpty. Operand 9213 states and 11464 transitions. [2020-10-12 13:15:59,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-12 13:15:59,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:59,649 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:15:59,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 13:15:59,649 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:59,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:59,650 INFO L82 PathProgramCache]: Analyzing trace with hash -348599683, now seen corresponding path program 1 times [2020-10-12 13:15:59,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:59,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450864583] [2020-10-12 13:15:59,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:59,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:59,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:00,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:00,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:00,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-12 13:16:00,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:16:00,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 915 [2020-10-12 13:16:00,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:16:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:16:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-12 13:16:00,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:00,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:16:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:00,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:00,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:00,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:16:00,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:00,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:16:00,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:00,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:16:00,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:00,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:16:00,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:00,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:16:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:00,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:00,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:00,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:16:00,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:00,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-12 13:16:00,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:00,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:16:00,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:00,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:16:00,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:00,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:16:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:00,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:00,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:01,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:01,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-12 13:16:01,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:16:01,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-12 13:16:01,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:01,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:16:01,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:01,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-12 13:16:01,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:01,154 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 112 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:16:01,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450864583] [2020-10-12 13:16:01,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:16:01,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:16:01,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849234675] [2020-10-12 13:16:01,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:16:01,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:16:01,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:16:01,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:16:01,156 INFO L87 Difference]: Start difference. First operand 9213 states and 11464 transitions. Second operand 7 states. [2020-10-12 13:16:03,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:16:03,716 INFO L93 Difference]: Finished difference Result 18372 states and 23374 transitions. [2020-10-12 13:16:03,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:16:03,716 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 255 [2020-10-12 13:16:03,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:16:03,747 INFO L225 Difference]: With dead ends: 18372 [2020-10-12 13:16:03,747 INFO L226 Difference]: Without dead ends: 9353 [2020-10-12 13:16:03,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-12 13:16:03,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9353 states. [2020-10-12 13:16:03,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9353 to 8455. [2020-10-12 13:16:03,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8455 states. [2020-10-12 13:16:03,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8455 states to 8455 states and 10274 transitions. [2020-10-12 13:16:03,982 INFO L78 Accepts]: Start accepts. Automaton has 8455 states and 10274 transitions. Word has length 255 [2020-10-12 13:16:03,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:16:03,982 INFO L479 AbstractCegarLoop]: Abstraction has 8455 states and 10274 transitions. [2020-10-12 13:16:03,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:16:03,983 INFO L276 IsEmpty]: Start isEmpty. Operand 8455 states and 10274 transitions. [2020-10-12 13:16:03,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-12 13:16:03,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:16:03,991 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:16:03,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 13:16:03,991 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:16:03,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:16:03,992 INFO L82 PathProgramCache]: Analyzing trace with hash -2108930387, now seen corresponding path program 1 times [2020-10-12 13:16:03,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:16:03,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457978759] [2020-10-12 13:16:03,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:16:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:04,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:04,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:05,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:05,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 13:16:05,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:16:05,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1261 [2020-10-12 13:16:05,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:05,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:16:05,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:16:05,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-12 13:16:05,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:05,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:16:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:05,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:05,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:05,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:16:05,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:05,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:16:05,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:16:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:16:05,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:16:05,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:16:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:05,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:05,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:05,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:16:05,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:05,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-12 13:16:05,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:16:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:05,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:16:05,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:05,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:16:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:05,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:05,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:05,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 13:16:05,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:05,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-12 13:16:05,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:05,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:16:05,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:05,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-12 13:16:05,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:05,827 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:16:05,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457978759] [2020-10-12 13:16:05,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:16:05,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:16:05,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180221914] [2020-10-12 13:16:05,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:16:05,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:16:05,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:16:05,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:16:05,829 INFO L87 Difference]: Start difference. First operand 8455 states and 10274 transitions. Second operand 7 states. [2020-10-12 13:16:08,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:16:08,749 INFO L93 Difference]: Finished difference Result 17528 states and 21444 transitions. [2020-10-12 13:16:08,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:16:08,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 258 [2020-10-12 13:16:08,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:16:08,778 INFO L225 Difference]: With dead ends: 17528 [2020-10-12 13:16:08,778 INFO L226 Difference]: Without dead ends: 9267 [2020-10-12 13:16:08,795 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 13:16:08,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9267 states. [2020-10-12 13:16:09,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9267 to 9045. [2020-10-12 13:16:09,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9045 states. [2020-10-12 13:16:09,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9045 states to 9045 states and 11049 transitions. [2020-10-12 13:16:09,079 INFO L78 Accepts]: Start accepts. Automaton has 9045 states and 11049 transitions. Word has length 258 [2020-10-12 13:16:09,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:16:09,080 INFO L479 AbstractCegarLoop]: Abstraction has 9045 states and 11049 transitions. [2020-10-12 13:16:09,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:16:09,080 INFO L276 IsEmpty]: Start isEmpty. Operand 9045 states and 11049 transitions. [2020-10-12 13:16:09,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-12 13:16:09,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:16:09,088 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:16:09,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 13:16:09,089 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:16:09,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:16:09,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1297980871, now seen corresponding path program 1 times [2020-10-12 13:16:09,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:16:09,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361397633] [2020-10-12 13:16:09,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:16:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:09,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:09,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:10,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:10,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-12 13:16:10,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:16:10,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 918 [2020-10-12 13:16:10,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:16:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:16:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 13:16:10,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:10,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:16:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:10,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:10,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:10,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:16:10,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:10,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:16:10,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:10,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:16:10,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:10,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:16:10,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:10,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:16:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:10,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:10,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:10,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:16:10,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:10,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-12 13:16:10,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:16:10,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:10,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:16:10,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:16:10,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:16:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:10,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:10,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:10,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-12 13:16:10,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:10,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-12 13:16:10,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:10,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:16:10,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:10,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-12 13:16:10,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:16:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:16:10,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361397633] [2020-10-12 13:16:10,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:16:10,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:16:10,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115708068] [2020-10-12 13:16:10,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:16:10,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:16:10,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:16:10,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:16:10,721 INFO L87 Difference]: Start difference. First operand 9045 states and 11049 transitions. Second operand 7 states. [2020-10-12 13:16:14,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:16:14,210 INFO L93 Difference]: Finished difference Result 20025 states and 24842 transitions. [2020-10-12 13:16:14,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:16:14,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 261 [2020-10-12 13:16:14,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:16:14,235 INFO L225 Difference]: With dead ends: 20025 [2020-10-12 13:16:14,235 INFO L226 Difference]: Without dead ends: 11174 [2020-10-12 13:16:14,251 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 13:16:14,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11174 states. [2020-10-12 13:16:14,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11174 to 10968. [2020-10-12 13:16:14,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10968 states. [2020-10-12 13:16:14,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10968 states to 10968 states and 13350 transitions. [2020-10-12 13:16:14,458 INFO L78 Accepts]: Start accepts. Automaton has 10968 states and 13350 transitions. Word has length 261 [2020-10-12 13:16:14,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:16:14,459 INFO L479 AbstractCegarLoop]: Abstraction has 10968 states and 13350 transitions. [2020-10-12 13:16:14,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:16:14,459 INFO L276 IsEmpty]: Start isEmpty. Operand 10968 states and 13350 transitions. [2020-10-12 13:16:14,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-12 13:16:14,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:16:14,468 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:14,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 13:16:14,468 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:16:14,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:16:14,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1720834117, now seen corresponding path program 1 times [2020-10-12 13:16:14,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:16:14,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [394549733] [2020-10-12 13:16:14,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:16:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:14,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:14,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:14,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:17,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:17,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:19,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:19,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-10-12 13:16:19,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:16:19,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-12 13:16:19,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:19,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 13:16:19,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:16:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-12 13:16:19,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:16:19,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:16:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:19,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:19,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:19,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:16:19,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:19,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 13:16:19,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:16:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:16:19,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:16:19,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:16:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:19,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:20,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:20,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:16:20,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:20,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-12 13:16:20,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:16:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 13:16:20,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:20,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:16:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:20,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:20,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:20,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:16:20,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:20,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-12 13:16:20,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:16:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:16:20,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:20,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 13:16:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:20,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:20,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:20,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:20,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 13:16:20,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:16:20,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-12 13:16:20,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:20,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:16:20,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:20,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 13:16:20,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 38 proven. 212 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 13:16:21,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [394549733] [2020-10-12 13:16:21,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:16:21,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 13:16:21,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311127489] [2020-10-12 13:16:21,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 13:16:21,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:16:21,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 13:16:21,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:16:21,343 INFO L87 Difference]: Start difference. First operand 10968 states and 13350 transitions. Second operand 11 states. [2020-10-12 13:16:21,485 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2020-10-12 13:16:25,647 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-10-12 13:16:25,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:16:25,879 INFO L93 Difference]: Finished difference Result 24250 states and 29794 transitions. [2020-10-12 13:16:25,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 13:16:25,880 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 286 [2020-10-12 13:16:25,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:16:25,912 INFO L225 Difference]: With dead ends: 24250 [2020-10-12 13:16:25,913 INFO L226 Difference]: Without dead ends: 13430 [2020-10-12 13:16:25,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=187, Invalid=569, Unknown=0, NotChecked=0, Total=756 [2020-10-12 13:16:25,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13430 states. [2020-10-12 13:16:26,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13430 to 12730. [2020-10-12 13:16:26,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12730 states. [2020-10-12 13:16:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12730 states to 12730 states and 15466 transitions. [2020-10-12 13:16:26,261 INFO L78 Accepts]: Start accepts. Automaton has 12730 states and 15466 transitions. Word has length 286 [2020-10-12 13:16:26,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:16:26,262 INFO L479 AbstractCegarLoop]: Abstraction has 12730 states and 15466 transitions. [2020-10-12 13:16:26,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 13:16:26,262 INFO L276 IsEmpty]: Start isEmpty. Operand 12730 states and 15466 transitions. [2020-10-12 13:16:26,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-10-12 13:16:26,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:16:26,273 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:16:26,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 13:16:26,274 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:16:26,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:16:26,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1130675944, now seen corresponding path program 1 times [2020-10-12 13:16:26,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:16:26,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1707777607] [2020-10-12 13:16:26,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:16:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:26,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:26,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:26,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:28,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:29,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:30,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:30,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-12 13:16:30,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:16:30,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3931 [2020-10-12 13:16:30,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 13:16:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:16:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 325 [2020-10-12 13:16:30,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:30,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:16:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:30,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:30,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:30,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:16:30,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:30,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:16:30,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:30,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:16:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:16:30,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:30,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:16:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:30,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:30,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:30,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-12 13:16:30,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:30,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-12 13:16:30,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:30,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:16:30,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:30,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-12 13:16:30,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:30,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 13:16:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:30,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:30,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:30,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-12 13:16:30,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:30,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-12 13:16:30,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:30,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:16:30,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:30,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-12 13:16:30,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:30,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-12 13:16:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:30,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:30,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:30,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:30,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:30,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:30,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 13:16:30,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:16:30,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-12 13:16:30,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:30,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 13:16:30,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:30,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 13:16:30,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:31,343 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-10-12 13:16:31,505 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-10-12 13:16:31,671 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-10-12 13:16:32,180 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-10-12 13:16:32,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1707777607] [2020-10-12 13:16:32,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:16:32,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 13:16:32,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752602794] [2020-10-12 13:16:32,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 13:16:32,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:16:32,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 13:16:32,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-12 13:16:32,183 INFO L87 Difference]: Start difference. First operand 12730 states and 15466 transitions. Second operand 14 states. [2020-10-12 13:16:33,517 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-10-12 13:16:33,750 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-10-12 13:16:34,640 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-10-12 13:16:35,088 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2020-10-12 13:16:35,613 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 63 [2020-10-12 13:16:35,918 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-10-12 13:16:36,207 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2020-10-12 13:16:36,472 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-10-12 13:16:36,948 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 55 [2020-10-12 13:16:37,779 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 60 [2020-10-12 13:16:38,916 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2020-10-12 13:16:39,502 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2020-10-12 13:16:39,752 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-10-12 13:16:40,088 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-10-12 13:16:40,605 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-10-12 13:16:41,511 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-10-12 13:16:41,777 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-10-12 13:16:44,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:16:44,000 INFO L93 Difference]: Finished difference Result 30463 states and 37306 transitions. [2020-10-12 13:16:44,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-12 13:16:44,001 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 317 [2020-10-12 13:16:44,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:16:44,044 INFO L225 Difference]: With dead ends: 30463 [2020-10-12 13:16:44,045 INFO L226 Difference]: Without dead ends: 17795 [2020-10-12 13:16:44,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 707 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=517, Invalid=2135, Unknown=0, NotChecked=0, Total=2652 [2020-10-12 13:16:44,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17795 states. [2020-10-12 13:16:44,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17795 to 17306. [2020-10-12 13:16:44,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17306 states. [2020-10-12 13:16:44,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17306 states to 17306 states and 21111 transitions. [2020-10-12 13:16:44,377 INFO L78 Accepts]: Start accepts. Automaton has 17306 states and 21111 transitions. Word has length 317 [2020-10-12 13:16:44,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:16:44,378 INFO L479 AbstractCegarLoop]: Abstraction has 17306 states and 21111 transitions. [2020-10-12 13:16:44,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 13:16:44,378 INFO L276 IsEmpty]: Start isEmpty. Operand 17306 states and 21111 transitions. [2020-10-12 13:16:44,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-10-12 13:16:44,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:16:44,391 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:16:44,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 13:16:44,392 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:16:44,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:16:44,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1995471996, now seen corresponding path program 1 times [2020-10-12 13:16:44,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:16:44,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1281526494] [2020-10-12 13:16:44,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:16:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 13:16:44,482 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 13:16:44,485 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 13:16:44,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 13:16:44,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:16:44 BoogieIcfgContainer [2020-10-12 13:16:44,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:16:44,549 INFO L168 Benchmark]: Toolchain (without parser) took 94317.92 ms. Allocated memory was 148.9 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 100.4 MB in the beginning and 392.2 MB in the end (delta: -291.8 MB). Peak memory consumption was 839.6 MB. Max. memory is 7.1 GB. [2020-10-12 13:16:44,549 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.9 MB. Free memory was 122.3 MB in the beginning and 122.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 13:16:44,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1096.56 ms. Allocated memory was 148.9 MB in the beginning and 210.2 MB in the end (delta: 61.3 MB). Free memory was 100.2 MB in the beginning and 162.6 MB in the end (delta: -62.4 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2020-10-12 13:16:44,551 INFO L168 Benchmark]: Boogie Preprocessor took 185.57 ms. Allocated memory is still 210.2 MB. Free memory was 162.6 MB in the beginning and 155.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2020-10-12 13:16:44,551 INFO L168 Benchmark]: RCFGBuilder took 2013.09 ms. Allocated memory was 210.2 MB in the beginning and 239.6 MB in the end (delta: 29.4 MB). Free memory was 155.0 MB in the beginning and 93.0 MB in the end (delta: 61.9 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. [2020-10-12 13:16:44,552 INFO L168 Benchmark]: TraceAbstraction took 91017.21 ms. Allocated memory was 239.6 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 91.7 MB in the beginning and 392.2 MB in the end (delta: -300.5 MB). Peak memory consumption was 740.2 MB. Max. memory is 7.1 GB. [2020-10-12 13:16:44,555 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 148.9 MB. Free memory was 122.3 MB in the beginning and 122.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1096.56 ms. Allocated memory was 148.9 MB in the beginning and 210.2 MB in the end (delta: 61.3 MB). Free memory was 100.2 MB in the beginning and 162.6 MB in the end (delta: -62.4 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 185.57 ms. Allocated memory is still 210.2 MB. Free memory was 162.6 MB in the beginning and 155.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2013.09 ms. Allocated memory was 210.2 MB in the beginning and 239.6 MB in the end (delta: 29.4 MB). Free memory was 155.0 MB in the beginning and 93.0 MB in the end (delta: 61.9 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 91017.21 ms. Allocated memory was 239.6 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 91.7 MB in the beginning and 392.2 MB in the end (delta: -300.5 MB). Peak memory consumption was 740.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 39]: 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 FALSE !(((((a3==1) && ((((input == 2) && ((a25==12) || ((a25==10) || (a25==11)))) && (a4==1)) && (a8==15))) && a29 <= 140 ) && 306 < a23 )) [L898] COND FALSE !((((((a3==1) && (((input == 1) && (((a25==9) || (a25==10)) || (a25==11))) && 277 < a29 )) && (a4==1)) && (a8==15)) && 306 < a23 )) [L903] COND FALSE !((((a3==1) && ( a23 <= -43 && ((a8==15) && ((input == 2) && (((a25==9) && 277 < a29 ) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) ))))))) && !(a4==1))) [L915] COND FALSE !((((((a8==15) && ((a4==1) && ((input == 4) && ((a25==9) || (a25==10))))) && 306 < a23 ) && (a3==1)) && ((140 < a29) && (245 >= a29)) )) [L927] COND FALSE !(((( 277 < a29 && ( a23 <= -43 && (((a25==13) && (input == 3)) && (a3==1)))) && (a8==15)) && !(a4==1))) [L932] COND FALSE !((((a8==15) && ( a23 <= -43 && (((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 2)) && !(a4==1)))) && (a3==1))) [L939] COND FALSE !((((a8==15) && ( 277 < a29 && (!(a4==1) && ( a23 <= -43 && ((((a25==10) || (a25==11)) || (a25==12)) && (input == 2)))))) && (a3==1))) [L953] COND FALSE !(((a3==1) && (( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((a25==9) && (!(a4==1) && (input == 3))))) && a29 <= 140 ))) [L958] COND FALSE !(((a4==1) && ( ((140 < a29) && (245 >= a29)) && ((a3==1) && ( 306 < a23 && (((input == 3) && ((a25==11) || (a25==12))) && (a8==15))))))) [L963] COND FALSE !((((a4==1) && ((a3==1) && ((a25==13) && ( 306 < a23 && ((input == 6) && (a8==15)))))) && a29 <= 140 )) [L969] COND FALSE !((((!(a4==1) && (((input == 6) && (((a25==9) && 277 < a29 ) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )))) && (a3==1))) && a23 <= -43 ) && (a8==15))) [L981] COND FALSE !(((a8==15) && (( a23 <= -43 && ( a29 <= 140 && (((input == 5) && ((a25==12) || (a25==13))) && !(a4==1)))) && (a3==1)))) [L988] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 3)) && (a3==1)) && (a8==15)) && (a4==1)) && 306 < a23 )) [L993] COND FALSE !((((a3==1) && ((((!(a4==1) && (input == 3)) && (a25==12)) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) && (a8==15))) [L1000] COND TRUE ( a29 <= 140 && ((a8==15) && ((a3==1) && (( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 5))) && (a4==1))))) [L1001] a29 = (((((a29 / 5) * 4) + 211235) % 15)- -260) [L1002] a25 = 10 [L1004] return 21; [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 TRUE ((((((( ((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)) [L707] a29 = ((((((a29 % 15)+ 248) + 12) * 5) % 15)- -247) [L708] a23 = ((((a23 % 83)- -151) + 459589) - 459544) [L709] a25 = 11 [L711] 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 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 TRUE ((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15)) [L39] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 90.8s, OverallIterations: 16, TraceHistogramMax: 4, AutomataDifference: 51.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 721 SDtfs, 11757 SDslu, 1477 SDs, 0 SdLazy, 22688 SolverSat, 3916 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 943 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17306occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 3132 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 34.0s InterpolantComputationTime, 3441 NumberOfCodeBlocks, 3441 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3081 ConstructedInterpolants, 0 QuantifiedInterpolants, 4112072 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 1087/1598 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...