/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 22:41:29,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 22:41:29,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 22:41:29,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 22:41:29,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 22:41:29,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 22:41:29,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 22:41:29,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 22:41:29,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 22:41:29,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 22:41:29,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 22:41:29,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 22:41:29,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 22:41:29,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 22:41:29,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 22:41:29,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 22:41:29,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 22:41:29,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 22:41:29,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 22:41:29,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 22:41:29,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 22:41:29,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 22:41:29,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 22:41:29,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 22:41:29,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 22:41:29,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 22:41:29,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 22:41:29,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 22:41:29,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 22:41:29,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 22:41:29,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 22:41:29,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 22:41:29,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 22:41:29,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 22:41:29,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 22:41:29,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 22:41:29,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 22:41:29,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 22:41:29,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 22:41:29,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 22:41:29,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 22:41:29,830 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 [2020-10-26 22:41:29,887 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 22:41:29,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 22:41:29,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 22:41:29,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 22:41:29,893 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 22:41:29,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 22:41:29,893 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 22:41:29,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 22:41:29,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 22:41:29,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 22:41:29,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 22:41:29,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 22:41:29,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 22:41:29,896 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 22:41:29,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 22:41:29,896 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 22:41:29,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 22:41:29,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 22:41:29,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 22:41:29,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 22:41:29,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 22:41:29,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:41:29,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 22:41:29,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 22:41:29,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 22:41:29,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 22:41:29,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 22:41:29,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 22:41:29,899 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 22:41:29,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 22:41:30,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 22:41:30,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 22:41:30,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 22:41:30,418 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 22:41:30,419 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 22:41:30,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label34.c [2020-10-26 22:41:30,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7158f8529/7d32cb0b27884054990082408bce1155/FLAGf23f5a2bf [2020-10-26 22:41:31,367 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 22:41:31,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label34.c [2020-10-26 22:41:31,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7158f8529/7d32cb0b27884054990082408bce1155/FLAGf23f5a2bf [2020-10-26 22:41:31,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7158f8529/7d32cb0b27884054990082408bce1155 [2020-10-26 22:41:31,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 22:41:31,579 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 22:41:31,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 22:41:31,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 22:41:31,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 22:41:31,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:41:31" (1/1) ... [2020-10-26 22:41:31,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d0561c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:31, skipping insertion in model container [2020-10-26 22:41:31,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:41:31" (1/1) ... [2020-10-26 22:41:31,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 22:41:31,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 22:41:32,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:41:32,420 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 22:41:32,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:41:32,782 INFO L208 MainTranslator]: Completed translation [2020-10-26 22:41:32,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:32 WrapperNode [2020-10-26 22:41:32,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 22:41:32,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 22:41:32,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 22:41:32,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 22:41:32,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:32" (1/1) ... [2020-10-26 22:41:32,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:32" (1/1) ... [2020-10-26 22:41:32,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:32" (1/1) ... [2020-10-26 22:41:32,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:32" (1/1) ... [2020-10-26 22:41:32,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:32" (1/1) ... [2020-10-26 22:41:32,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:32" (1/1) ... [2020-10-26 22:41:32,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:32" (1/1) ... [2020-10-26 22:41:32,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 22:41:32,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 22:41:32,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 22:41:32,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 22:41:32,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:32" (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 [2020-10-26 22:41:33,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 22:41:33,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 22:41:33,071 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 22:41:33,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 22:41:33,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 22:41:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 22:41:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 22:41:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 22:41:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 22:41:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 22:41:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 22:41:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 22:41:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 22:41:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 22:41:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 22:41:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 22:41:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 22:41:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 22:41:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 22:41:35,160 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 22:41:35,161 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 22:41:35,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:41:35 BoogieIcfgContainer [2020-10-26 22:41:35,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 22:41:35,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 22:41:35,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 22:41:35,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 22:41:35,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:41:31" (1/3) ... [2020-10-26 22:41:35,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d31f4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:41:35, skipping insertion in model container [2020-10-26 22:41:35,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:32" (2/3) ... [2020-10-26 22:41:35,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d31f4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:41:35, skipping insertion in model container [2020-10-26 22:41:35,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:41:35" (3/3) ... [2020-10-26 22:41:35,174 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label34.c [2020-10-26 22:41:35,189 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 22:41:35,196 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 22:41:35,212 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 22:41:35,246 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 22:41:35,247 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 22:41:35,247 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 22:41:35,247 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 22:41:35,247 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 22:41:35,247 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 22:41:35,248 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 22:41:35,248 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 22:41:35,275 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-26 22:41:35,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-26 22:41:35,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:41:35,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:41:35,283 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:41:35,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:41:35,290 INFO L82 PathProgramCache]: Analyzing trace with hash 696987006, now seen corresponding path program 1 times [2020-10-26 22:41:35,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:41:35,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466073530] [2020-10-26 22:41:35,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:41:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:35,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:35,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:35,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-26 22:41:35,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:41:35,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 483 [2020-10-26 22:41:35,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:35,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:41:35,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:41:35,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-26 22:41:35,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 22:41:36,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:41:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:36,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:36,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:36,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:41:36,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:41:36,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-26 22:41:36,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:36,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:41:36,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:41:36,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:41:36,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:41:36,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:41:36,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466073530] [2020-10-26 22:41:36,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:41:36,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 22:41:36,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488197938] [2020-10-26 22:41:36,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 22:41:36,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:41:36,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 22:41:36,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 22:41:36,277 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-26 22:41:36,603 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-26 22:41:39,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:41:39,891 INFO L93 Difference]: Finished difference Result 811 states and 1410 transitions. [2020-10-26 22:41:39,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:41:39,893 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-26 22:41:39,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:41:39,923 INFO L225 Difference]: With dead ends: 811 [2020-10-26 22:41:39,923 INFO L226 Difference]: Without dead ends: 435 [2020-10-26 22:41:39,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:41:39,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-10-26 22:41:40,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 429. [2020-10-26 22:41:40,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-10-26 22:41:40,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 618 transitions. [2020-10-26 22:41:40,060 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 618 transitions. Word has length 15 [2020-10-26 22:41:40,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:41:40,060 INFO L481 AbstractCegarLoop]: Abstraction has 429 states and 618 transitions. [2020-10-26 22:41:40,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 22:41:40,061 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 618 transitions. [2020-10-26 22:41:40,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-26 22:41:40,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:41:40,065 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:41:40,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 22:41:40,066 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:41:40,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:41:40,067 INFO L82 PathProgramCache]: Analyzing trace with hash 35806179, now seen corresponding path program 1 times [2020-10-26 22:41:40,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:41:40,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1255124582] [2020-10-26 22:41:40,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:41:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:40,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:40,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:41,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:41,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-26 22:41:41,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:41:41,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1197 [2020-10-26 22:41:41,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:41,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:41:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:41:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:41:41,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:41:41,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:41:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:41,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:41,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:41,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:41:41,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:41:41,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-26 22:41:41,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:41,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:41:41,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:41:41,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:41:41,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:41:41,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:41:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:41,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:41,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:41,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:41:41,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:41:41,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-10-26 22:41:41,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:41,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:41:41,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:41:41,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:41:41,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:41:41,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:41:41,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1255124582] [2020-10-26 22:41:41,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:41:41,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-26 22:41:41,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740509708] [2020-10-26 22:41:41,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:41:41,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:41:41,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:41:41,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:41:41,907 INFO L87 Difference]: Start difference. First operand 429 states and 618 transitions. Second operand 8 states. [2020-10-26 22:41:46,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:41:46,706 INFO L93 Difference]: Finished difference Result 1663 states and 2474 transitions. [2020-10-26 22:41:46,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-26 22:41:46,707 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 87 [2020-10-26 22:41:46,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:41:46,717 INFO L225 Difference]: With dead ends: 1663 [2020-10-26 22:41:46,717 INFO L226 Difference]: Without dead ends: 1240 [2020-10-26 22:41:46,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-26 22:41:46,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2020-10-26 22:41:46,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1204. [2020-10-26 22:41:46,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2020-10-26 22:41:46,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1689 transitions. [2020-10-26 22:41:46,796 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1689 transitions. Word has length 87 [2020-10-26 22:41:46,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:41:46,796 INFO L481 AbstractCegarLoop]: Abstraction has 1204 states and 1689 transitions. [2020-10-26 22:41:46,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:41:46,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1689 transitions. [2020-10-26 22:41:46,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-26 22:41:46,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:41:46,800 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:41:46,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 22:41:46,801 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:41:46,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:41:46,801 INFO L82 PathProgramCache]: Analyzing trace with hash -304760479, now seen corresponding path program 1 times [2020-10-26 22:41:46,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:41:46,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911148265] [2020-10-26 22:41:46,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:41:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:46,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:47,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:47,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-26 22:41:47,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:41:47,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 417 [2020-10-26 22:41:47,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:47,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:41:47,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:41:47,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-26 22:41:47,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:41:47,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:41:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:47,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:47,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:47,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:41:47,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:41:47,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-26 22:41:47,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:41:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:41:47,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:41:47,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:41:47,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:41:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:47,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:47,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:47,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:41:47,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:41:47,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-26 22:41:47,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:47,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:41:47,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:41:47,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:41:47,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:41:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:41:47,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911148265] [2020-10-26 22:41:47,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:41:47,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:41:47,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86920846] [2020-10-26 22:41:47,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:41:47,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:41:47,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:41:47,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:41:47,874 INFO L87 Difference]: Start difference. First operand 1204 states and 1689 transitions. Second operand 7 states. [2020-10-26 22:41:51,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:41:51,129 INFO L93 Difference]: Finished difference Result 2825 states and 3934 transitions. [2020-10-26 22:41:51,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:41:51,130 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-10-26 22:41:51,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:41:51,140 INFO L225 Difference]: With dead ends: 2825 [2020-10-26 22:41:51,141 INFO L226 Difference]: Without dead ends: 1627 [2020-10-26 22:41:51,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:41:51,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1627 states. [2020-10-26 22:41:51,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 1608. [2020-10-26 22:41:51,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1608 states. [2020-10-26 22:41:51,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2141 transitions. [2020-10-26 22:41:51,209 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2141 transitions. Word has length 88 [2020-10-26 22:41:51,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:41:51,210 INFO L481 AbstractCegarLoop]: Abstraction has 1608 states and 2141 transitions. [2020-10-26 22:41:51,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:41:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2141 transitions. [2020-10-26 22:41:51,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-26 22:41:51,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:41:51,213 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:41:51,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 22:41:51,213 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:41:51,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:41:51,214 INFO L82 PathProgramCache]: Analyzing trace with hash -606957431, now seen corresponding path program 1 times [2020-10-26 22:41:51,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:41:51,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180041011] [2020-10-26 22:41:51,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:41:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:51,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:51,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:52,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:52,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-26 22:41:52,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:41:52,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 918 [2020-10-26 22:41:52,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:52,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 22:41:52,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:41:52,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-26 22:41:52,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:41:52,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:41:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:52,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:52,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:52,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:41:52,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:41:52,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-26 22:41:52,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:41:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:41:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:41:52,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:41:52,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:41:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:52,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:52,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:52,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:41:52,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:41:52,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-26 22:41:52,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:52,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:41:52,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:41:52,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-26 22:41:52,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:41:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 22:41:52,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180041011] [2020-10-26 22:41:52,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:41:52,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:41:52,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100538831] [2020-10-26 22:41:52,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:41:52,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:41:52,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:41:52,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:41:52,721 INFO L87 Difference]: Start difference. First operand 1608 states and 2141 transitions. Second operand 6 states. [2020-10-26 22:41:56,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:41:56,083 INFO L93 Difference]: Finished difference Result 3852 states and 5554 transitions. [2020-10-26 22:41:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 22:41:56,084 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2020-10-26 22:41:56,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:41:56,100 INFO L225 Difference]: With dead ends: 3852 [2020-10-26 22:41:56,100 INFO L226 Difference]: Without dead ends: 2628 [2020-10-26 22:41:56,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:41:56,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2020-10-26 22:41:56,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2591. [2020-10-26 22:41:56,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2591 states. [2020-10-26 22:41:56,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 3375 transitions. [2020-10-26 22:41:56,200 INFO L78 Accepts]: Start accepts. Automaton has 2591 states and 3375 transitions. Word has length 131 [2020-10-26 22:41:56,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:41:56,201 INFO L481 AbstractCegarLoop]: Abstraction has 2591 states and 3375 transitions. [2020-10-26 22:41:56,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:41:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3375 transitions. [2020-10-26 22:41:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-26 22:41:56,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:41:56,204 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:41:56,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 22:41:56,204 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:41:56,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:41:56,205 INFO L82 PathProgramCache]: Analyzing trace with hash 2020793194, now seen corresponding path program 1 times [2020-10-26 22:41:56,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:41:56,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811837935] [2020-10-26 22:41:56,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:41:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:56,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:56,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:56,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-26 22:41:56,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:41:56,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-26 22:41:56,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:56,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:41:56,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:41:56,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-26 22:41:56,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:41:56,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:41:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:56,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:56,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:56,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:41:56,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:41:56,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-26 22:41:56,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:41:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:41:56,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:41:56,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:41:56,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:41:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:56,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:57,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:57,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:41:57,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:41:57,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-26 22:41:57,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:57,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:41:57,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:41:57,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:41:57,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:41:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:41:57,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811837935] [2020-10-26 22:41:57,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:41:57,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:41:57,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078730394] [2020-10-26 22:41:57,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:41:57,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:41:57,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:41:57,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:41:57,101 INFO L87 Difference]: Start difference. First operand 2591 states and 3375 transitions. Second operand 5 states. [2020-10-26 22:42:00,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:00,002 INFO L93 Difference]: Finished difference Result 5972 states and 8192 transitions. [2020-10-26 22:42:00,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:42:00,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-10-26 22:42:00,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:00,027 INFO L225 Difference]: With dead ends: 5972 [2020-10-26 22:42:00,027 INFO L226 Difference]: Without dead ends: 3765 [2020-10-26 22:42:00,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:42:00,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3765 states. [2020-10-26 22:42:00,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3765 to 3754. [2020-10-26 22:42:00,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3754 states. [2020-10-26 22:42:00,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 3754 states and 5098 transitions. [2020-10-26 22:42:00,150 INFO L78 Accepts]: Start accepts. Automaton has 3754 states and 5098 transitions. Word has length 146 [2020-10-26 22:42:00,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:00,151 INFO L481 AbstractCegarLoop]: Abstraction has 3754 states and 5098 transitions. [2020-10-26 22:42:00,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:42:00,151 INFO L276 IsEmpty]: Start isEmpty. Operand 3754 states and 5098 transitions. [2020-10-26 22:42:00,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-26 22:42:00,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:00,155 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:00,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 22:42:00,156 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:00,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:00,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1721789110, now seen corresponding path program 1 times [2020-10-26 22:42:00,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:00,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335356321] [2020-10-26 22:42:00,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:00,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:00,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:00,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-26 22:42:00,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:00,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 541 [2020-10-26 22:42:00,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-26 22:42:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:42:00,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:00,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:00,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:00,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:00,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:00,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:42:00,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:00,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:00,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:01,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:01,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:42:01,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:01,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-26 22:42:01,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:01,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:01,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:01,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-26 22:42:01,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:01,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:42:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:01,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:01,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:01,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:42:01,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:01,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-26 22:42:01,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:01,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:01,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:01,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:42:01,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:01,465 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:42:01,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335356321] [2020-10-26 22:42:01,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:01,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:42:01,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970078096] [2020-10-26 22:42:01,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:42:01,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:01,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:42:01,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:42:01,468 INFO L87 Difference]: Start difference. First operand 3754 states and 5098 transitions. Second operand 7 states. [2020-10-26 22:42:05,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:05,090 INFO L93 Difference]: Finished difference Result 8704 states and 12218 transitions. [2020-10-26 22:42:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:42:05,091 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 204 [2020-10-26 22:42:05,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:05,121 INFO L225 Difference]: With dead ends: 8704 [2020-10-26 22:42:05,121 INFO L226 Difference]: Without dead ends: 5334 [2020-10-26 22:42:05,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:42:05,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5334 states. [2020-10-26 22:42:05,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5334 to 4932. [2020-10-26 22:42:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4932 states. [2020-10-26 22:42:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4932 states to 4932 states and 6620 transitions. [2020-10-26 22:42:05,281 INFO L78 Accepts]: Start accepts. Automaton has 4932 states and 6620 transitions. Word has length 204 [2020-10-26 22:42:05,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:05,282 INFO L481 AbstractCegarLoop]: Abstraction has 4932 states and 6620 transitions. [2020-10-26 22:42:05,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:42:05,282 INFO L276 IsEmpty]: Start isEmpty. Operand 4932 states and 6620 transitions. [2020-10-26 22:42:05,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-26 22:42:05,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:05,287 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:05,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 22:42:05,287 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:05,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:05,288 INFO L82 PathProgramCache]: Analyzing trace with hash 199172194, now seen corresponding path program 1 times [2020-10-26 22:42:05,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:05,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2136150630] [2020-10-26 22:42:05,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:05,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:05,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:05,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-26 22:42:05,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:05,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 539 [2020-10-26 22:42:05,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:05,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:05,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-26 22:42:05,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:42:05,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:06,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:06,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:06,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:06,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:06,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:06,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:42:06,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:06,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:06,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:06,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:06,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:06,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:06,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:06,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:06,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:42:06,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:06,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-26 22:42:06,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:06,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:06,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:06,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-26 22:42:06,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:06,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-26 22:42:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:06,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:06,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:06,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:42:06,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:06,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-26 22:42:06,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:06,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:06,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:06,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:42:06,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:42:06,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2136150630] [2020-10-26 22:42:06,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:06,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:42:06,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19006945] [2020-10-26 22:42:06,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:42:06,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:06,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:42:06,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:42:06,634 INFO L87 Difference]: Start difference. First operand 4932 states and 6620 transitions. Second operand 7 states. [2020-10-26 22:42:10,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:10,401 INFO L93 Difference]: Finished difference Result 11817 states and 16345 transitions. [2020-10-26 22:42:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-26 22:42:10,402 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 214 [2020-10-26 22:42:10,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:10,445 INFO L225 Difference]: With dead ends: 11817 [2020-10-26 22:42:10,445 INFO L226 Difference]: Without dead ends: 6891 [2020-10-26 22:42:10,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-26 22:42:10,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6891 states. [2020-10-26 22:42:10,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6891 to 6846. [2020-10-26 22:42:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6846 states. [2020-10-26 22:42:10,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6846 states to 6846 states and 9032 transitions. [2020-10-26 22:42:10,724 INFO L78 Accepts]: Start accepts. Automaton has 6846 states and 9032 transitions. Word has length 214 [2020-10-26 22:42:10,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:10,725 INFO L481 AbstractCegarLoop]: Abstraction has 6846 states and 9032 transitions. [2020-10-26 22:42:10,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:42:10,725 INFO L276 IsEmpty]: Start isEmpty. Operand 6846 states and 9032 transitions. [2020-10-26 22:42:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-26 22:42:10,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:10,729 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:10,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 22:42:10,730 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:10,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:10,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1961849338, now seen corresponding path program 1 times [2020-10-26 22:42:10,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:10,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234951715] [2020-10-26 22:42:10,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:10,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:11,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:11,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-26 22:42:11,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:11,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 485 [2020-10-26 22:42:11,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:11,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:11,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-26 22:42:11,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-26 22:42:11,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:11,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:11,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:11,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:11,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:11,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:11,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-26 22:42:11,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:11,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:11,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:11,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:11,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:11,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:11,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:11,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:11,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:42:11,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:11,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-26 22:42:11,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:11,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:42:11,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:42:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:11,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:11,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:11,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-26 22:42:11,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:11,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-26 22:42:11,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:11,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:11,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:11,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-26 22:42:11,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-26 22:42:11,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234951715] [2020-10-26 22:42:11,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:11,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:42:11,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772724904] [2020-10-26 22:42:11,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:42:11,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:11,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:42:11,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:42:11,890 INFO L87 Difference]: Start difference. First operand 6846 states and 9032 transitions. Second operand 5 states. [2020-10-26 22:42:15,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:15,212 INFO L93 Difference]: Finished difference Result 15827 states and 21101 transitions. [2020-10-26 22:42:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:42:15,218 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2020-10-26 22:42:15,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:15,270 INFO L225 Difference]: With dead ends: 15827 [2020-10-26 22:42:15,270 INFO L226 Difference]: Without dead ends: 8987 [2020-10-26 22:42:15,288 INFO L677 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 [2020-10-26 22:42:15,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8987 states. [2020-10-26 22:42:15,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8987 to 8765. [2020-10-26 22:42:15,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8765 states. [2020-10-26 22:42:15,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8765 states to 8765 states and 11453 transitions. [2020-10-26 22:42:15,531 INFO L78 Accepts]: Start accepts. Automaton has 8765 states and 11453 transitions. Word has length 215 [2020-10-26 22:42:15,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:15,531 INFO L481 AbstractCegarLoop]: Abstraction has 8765 states and 11453 transitions. [2020-10-26 22:42:15,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:42:15,532 INFO L276 IsEmpty]: Start isEmpty. Operand 8765 states and 11453 transitions. [2020-10-26 22:42:15,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-26 22:42:15,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:15,538 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:15,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 22:42:15,538 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:15,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:15,539 INFO L82 PathProgramCache]: Analyzing trace with hash -481405707, now seen corresponding path program 1 times [2020-10-26 22:42:15,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:15,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [892460069] [2020-10-26 22:42:15,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:15,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:16,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:16,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-26 22:42:16,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:16,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-10-26 22:42:16,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:16,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:16,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:42:16,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-26 22:42:16,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:16,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:16,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:16,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:16,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:16,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:16,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:42:16,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:16,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:16,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:16,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:16,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:16,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:42:16,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:16,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-26 22:42:16,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:16,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:16,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:16,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:42:16,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:16,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:42:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:16,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:16,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:16,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:42:16,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:16,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-26 22:42:16,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:42:16,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:16,935 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:42:16,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [892460069] [2020-10-26 22:42:16,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:16,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:42:16,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995653636] [2020-10-26 22:42:16,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:42:16,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:16,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:42:16,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:42:16,944 INFO L87 Difference]: Start difference. First operand 8765 states and 11453 transitions. Second operand 7 states. [2020-10-26 22:42:20,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:20,462 INFO L93 Difference]: Finished difference Result 18149 states and 23998 transitions. [2020-10-26 22:42:20,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:42:20,463 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 219 [2020-10-26 22:42:20,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:20,498 INFO L225 Difference]: With dead ends: 18149 [2020-10-26 22:42:20,498 INFO L226 Difference]: Without dead ends: 9390 [2020-10-26 22:42:20,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:42:20,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9390 states. [2020-10-26 22:42:20,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9390 to 9356. [2020-10-26 22:42:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9356 states. [2020-10-26 22:42:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9356 states to 9356 states and 12198 transitions. [2020-10-26 22:42:20,774 INFO L78 Accepts]: Start accepts. Automaton has 9356 states and 12198 transitions. Word has length 219 [2020-10-26 22:42:20,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:20,775 INFO L481 AbstractCegarLoop]: Abstraction has 9356 states and 12198 transitions. [2020-10-26 22:42:20,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:42:20,775 INFO L276 IsEmpty]: Start isEmpty. Operand 9356 states and 12198 transitions. [2020-10-26 22:42:20,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-26 22:42:20,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:20,781 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:20,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 22:42:20,781 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:20,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:20,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1337136064, now seen corresponding path program 1 times [2020-10-26 22:42:20,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:20,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [196572707] [2020-10-26 22:42:20,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:20,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:21,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:21,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-26 22:42:21,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:21,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 626 [2020-10-26 22:42:21,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:21,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:21,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-26 22:42:21,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:42:21,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:21,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:21,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:21,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:21,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:21,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:21,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:42:21,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:21,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:21,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:21,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:21,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:21,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-26 22:42:21,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:21,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-26 22:42:21,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:21,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:21,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:21,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-26 22:42:21,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:21,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-26 22:42:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:22,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:22,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:22,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:42:22,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:22,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-26 22:42:22,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:22,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:42:22,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:42:22,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [196572707] [2020-10-26 22:42:22,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:22,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 22:42:22,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89498296] [2020-10-26 22:42:22,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:42:22,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:22,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:42:22,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:42:22,312 INFO L87 Difference]: Start difference. First operand 9356 states and 12198 transitions. Second operand 8 states. [2020-10-26 22:42:27,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:27,707 INFO L93 Difference]: Finished difference Result 21242 states and 27897 transitions. [2020-10-26 22:42:27,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-26 22:42:27,708 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 235 [2020-10-26 22:42:27,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:27,747 INFO L225 Difference]: With dead ends: 21242 [2020-10-26 22:42:27,747 INFO L226 Difference]: Without dead ends: 11892 [2020-10-26 22:42:27,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-26 22:42:27,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11892 states. [2020-10-26 22:42:28,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11892 to 11474. [2020-10-26 22:42:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11474 states. [2020-10-26 22:42:28,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11474 states to 11474 states and 14673 transitions. [2020-10-26 22:42:28,073 INFO L78 Accepts]: Start accepts. Automaton has 11474 states and 14673 transitions. Word has length 235 [2020-10-26 22:42:28,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:28,074 INFO L481 AbstractCegarLoop]: Abstraction has 11474 states and 14673 transitions. [2020-10-26 22:42:28,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:42:28,074 INFO L276 IsEmpty]: Start isEmpty. Operand 11474 states and 14673 transitions. [2020-10-26 22:42:28,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-26 22:42:28,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:28,080 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:28,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 22:42:28,081 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:28,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:28,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1916514087, now seen corresponding path program 1 times [2020-10-26 22:42:28,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:28,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653657254] [2020-10-26 22:42:28,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:28,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:28,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:30,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:30,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-26 22:42:30,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:42:30,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1940 [2020-10-26 22:42:30,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-26 22:42:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:42:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 242 [2020-10-26 22:42:30,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:30,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:30,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:30,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:30,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:30,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:30,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-26 22:42:30,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:42:30,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:30,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:30,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:30,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:30,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:42:30,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:30,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-26 22:42:30,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:30,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-26 22:42:30,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:30,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-26 22:42:30,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:30,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:42:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:30,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:30,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:30,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-26 22:42:30,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:30,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-26 22:42:30,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:30,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:30,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:30,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-26 22:42:30,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-26 22:42:30,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653657254] [2020-10-26 22:42:30,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:30,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:42:30,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30111301] [2020-10-26 22:42:30,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:42:30,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:30,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:42:30,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:42:31,000 INFO L87 Difference]: Start difference. First operand 11474 states and 14673 transitions. Second operand 8 states. [2020-10-26 22:42:36,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:36,308 INFO L93 Difference]: Finished difference Result 28066 states and 38135 transitions. [2020-10-26 22:42:36,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:42:36,309 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 237 [2020-10-26 22:42:36,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:36,382 INFO L225 Difference]: With dead ends: 28066 [2020-10-26 22:42:36,383 INFO L226 Difference]: Without dead ends: 16598 [2020-10-26 22:42:36,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-10-26 22:42:36,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16598 states. [2020-10-26 22:42:36,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16598 to 16122. [2020-10-26 22:42:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16122 states. [2020-10-26 22:42:36,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16122 states to 16122 states and 20382 transitions. [2020-10-26 22:42:36,855 INFO L78 Accepts]: Start accepts. Automaton has 16122 states and 20382 transitions. Word has length 237 [2020-10-26 22:42:36,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:36,856 INFO L481 AbstractCegarLoop]: Abstraction has 16122 states and 20382 transitions. [2020-10-26 22:42:36,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:42:36,856 INFO L276 IsEmpty]: Start isEmpty. Operand 16122 states and 20382 transitions. [2020-10-26 22:42:36,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-26 22:42:36,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:36,862 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:36,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 22:42:36,862 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:36,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:36,863 INFO L82 PathProgramCache]: Analyzing trace with hash -376259462, now seen corresponding path program 1 times [2020-10-26 22:42:36,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:36,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1219815513] [2020-10-26 22:42:36,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:36,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:37,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:37,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-26 22:42:37,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:37,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 491 [2020-10-26 22:42:37,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-26 22:42:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-26 22:42:37,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:37,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:37,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:37,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:37,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:37,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:37,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:42:37,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:37,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:37,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:37,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:37,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:37,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:37,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:37,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:37,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:42:37,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:37,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-26 22:42:37,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:37,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:37,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:37,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:37,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:37,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-26 22:42:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:37,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:37,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:37,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-26 22:42:37,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:37,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-26 22:42:37,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:37,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:37,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-26 22:42:37,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:38,007 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-26 22:42:38,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1219815513] [2020-10-26 22:42:38,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:38,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:42:38,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330174903] [2020-10-26 22:42:38,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:42:38,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:38,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:42:38,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:42:38,010 INFO L87 Difference]: Start difference. First operand 16122 states and 20382 transitions. Second operand 5 states. [2020-10-26 22:42:41,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:41,260 INFO L93 Difference]: Finished difference Result 32289 states and 40934 transitions. [2020-10-26 22:42:41,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:42:41,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 242 [2020-10-26 22:42:41,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:41,314 INFO L225 Difference]: With dead ends: 32289 [2020-10-26 22:42:41,315 INFO L226 Difference]: Without dead ends: 16361 [2020-10-26 22:42:41,426 INFO L677 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 [2020-10-26 22:42:41,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16361 states. [2020-10-26 22:42:41,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16361 to 16310. [2020-10-26 22:42:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16310 states. [2020-10-26 22:42:41,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16310 states to 16310 states and 19990 transitions. [2020-10-26 22:42:41,842 INFO L78 Accepts]: Start accepts. Automaton has 16310 states and 19990 transitions. Word has length 242 [2020-10-26 22:42:41,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:41,843 INFO L481 AbstractCegarLoop]: Abstraction has 16310 states and 19990 transitions. [2020-10-26 22:42:41,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:42:41,843 INFO L276 IsEmpty]: Start isEmpty. Operand 16310 states and 19990 transitions. [2020-10-26 22:42:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-26 22:42:41,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:41,851 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:41,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-26 22:42:41,851 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:41,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:41,852 INFO L82 PathProgramCache]: Analyzing trace with hash 229053858, now seen corresponding path program 1 times [2020-10-26 22:42:41,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:41,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1415311696] [2020-10-26 22:42:41,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:41,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:42,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:42,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-26 22:42:42,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:42,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 439 [2020-10-26 22:42:42,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:42,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:42,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-26 22:42:42,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-26 22:42:42,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:42,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:42,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:42,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:42,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:42,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:42,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:42:42,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:42,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:42,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:42,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:42,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:42,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-26 22:42:42,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:42,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-26 22:42:42,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:42,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:42,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:42,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:42,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:42,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-26 22:42:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:42,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:42,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:42,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:42:42,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:42,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-26 22:42:42,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-26 22:42:42,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-26 22:42:42,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1415311696] [2020-10-26 22:42:42,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:42,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:42:42,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111582849] [2020-10-26 22:42:42,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:42:42,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:42,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:42:42,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:42:42,850 INFO L87 Difference]: Start difference. First operand 16310 states and 19990 transitions. Second operand 5 states. [2020-10-26 22:42:45,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:45,860 INFO L93 Difference]: Finished difference Result 29174 states and 36226 transitions. [2020-10-26 22:42:45,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:42:45,862 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 258 [2020-10-26 22:42:45,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:45,917 INFO L225 Difference]: With dead ends: 29174 [2020-10-26 22:42:45,917 INFO L226 Difference]: Without dead ends: 17688 [2020-10-26 22:42:45,938 INFO L677 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 [2020-10-26 22:42:45,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17688 states. [2020-10-26 22:42:46,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17688 to 17260. [2020-10-26 22:42:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17260 states. [2020-10-26 22:42:46,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17260 states to 17260 states and 21333 transitions. [2020-10-26 22:42:46,339 INFO L78 Accepts]: Start accepts. Automaton has 17260 states and 21333 transitions. Word has length 258 [2020-10-26 22:42:46,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:46,340 INFO L481 AbstractCegarLoop]: Abstraction has 17260 states and 21333 transitions. [2020-10-26 22:42:46,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:42:46,341 INFO L276 IsEmpty]: Start isEmpty. Operand 17260 states and 21333 transitions. [2020-10-26 22:42:46,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-10-26 22:42:46,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:46,351 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:46,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-26 22:42:46,351 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:46,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:46,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1618698977, now seen corresponding path program 1 times [2020-10-26 22:42:46,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:46,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206973139] [2020-10-26 22:42:46,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:46,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:46,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:48,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:48,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-26 22:42:48,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:42:48,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2105 [2020-10-26 22:42:48,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:48,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:48,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-26 22:42:48,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-26 22:42:48,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:48,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:48,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:48,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:48,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:48,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:48,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-26 22:42:48,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:48,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:48,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:48,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:48,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:48,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:48,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:48,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:48,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:42:48,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:48,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-26 22:42:48,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:48,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:48,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:48,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-26 22:42:48,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:48,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:42:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:48,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:49,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:49,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-26 22:42:49,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:49,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-26 22:42:49,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:49,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:49,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:49,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-26 22:42:49,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:42:49,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206973139] [2020-10-26 22:42:49,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:49,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:42:49,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330865116] [2020-10-26 22:42:49,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:42:49,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:49,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:42:49,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:42:49,448 INFO L87 Difference]: Start difference. First operand 17260 states and 21333 transitions. Second operand 7 states. [2020-10-26 22:42:53,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:53,749 INFO L93 Difference]: Finished difference Result 34288 states and 42734 transitions. [2020-10-26 22:42:53,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:42:53,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 272 [2020-10-26 22:42:53,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:53,807 INFO L225 Difference]: With dead ends: 34288 [2020-10-26 22:42:53,808 INFO L226 Difference]: Without dead ends: 17412 [2020-10-26 22:42:53,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:42:53,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17412 states. [2020-10-26 22:42:54,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17412 to 17274. [2020-10-26 22:42:54,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17274 states. [2020-10-26 22:42:54,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17274 states to 17274 states and 20737 transitions. [2020-10-26 22:42:54,329 INFO L78 Accepts]: Start accepts. Automaton has 17274 states and 20737 transitions. Word has length 272 [2020-10-26 22:42:54,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:54,330 INFO L481 AbstractCegarLoop]: Abstraction has 17274 states and 20737 transitions. [2020-10-26 22:42:54,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:42:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 17274 states and 20737 transitions. [2020-10-26 22:42:54,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-10-26 22:42:54,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:54,341 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 22:42:54,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-26 22:42:54,341 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:54,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:54,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1824570798, now seen corresponding path program 1 times [2020-10-26 22:42:54,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:54,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316789325] [2020-10-26 22:42:54,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:54,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:54,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:55,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:56,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:56,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-26 22:42:56,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:42:56,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2197 [2020-10-26 22:42:56,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:56,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:56,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:42:56,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:42:56,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:56,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:56,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:56,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:56,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:56,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:56,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:42:56,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:56,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:56,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:56,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:56,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:56,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:56,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:56,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:42:56,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:56,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-26 22:42:56,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:42:56,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:56,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:42:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:56,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:57,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:57,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-26 22:42:57,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:57,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-26 22:42:57,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:57,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:57,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:57,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-26 22:42:57,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:57,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-26 22:42:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:57,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:57,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:57,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:42:57,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:57,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-26 22:42:57,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:57,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-26 22:42:57,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:57,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:57,197 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 91 proven. 68 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-26 22:42:57,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316789325] [2020-10-26 22:42:57,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:57,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:42:57,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85636786] [2020-10-26 22:42:57,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:42:57,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:57,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:42:57,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:42:57,200 INFO L87 Difference]: Start difference. First operand 17274 states and 20737 transitions. Second operand 7 states. [2020-10-26 22:43:01,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:01,091 INFO L93 Difference]: Finished difference Result 38330 states and 47485 transitions. [2020-10-26 22:43:01,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:43:01,092 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 288 [2020-10-26 22:43:01,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:01,147 INFO L225 Difference]: With dead ends: 38330 [2020-10-26 22:43:01,147 INFO L226 Difference]: Without dead ends: 21440 [2020-10-26 22:43:01,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:43:01,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21440 states. [2020-10-26 22:43:01,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21440 to 20700. [2020-10-26 22:43:01,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20700 states. [2020-10-26 22:43:01,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20700 states to 20700 states and 24180 transitions. [2020-10-26 22:43:01,616 INFO L78 Accepts]: Start accepts. Automaton has 20700 states and 24180 transitions. Word has length 288 [2020-10-26 22:43:01,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:01,617 INFO L481 AbstractCegarLoop]: Abstraction has 20700 states and 24180 transitions. [2020-10-26 22:43:01,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:01,617 INFO L276 IsEmpty]: Start isEmpty. Operand 20700 states and 24180 transitions. [2020-10-26 22:43:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-10-26 22:43:01,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:01,625 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:01,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-26 22:43:01,625 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:01,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:01,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1567530786, now seen corresponding path program 1 times [2020-10-26 22:43:01,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:01,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2146173756] [2020-10-26 22:43:01,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:01,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:01,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:02,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:03,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:05,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:05,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:05,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-10-26 22:43:05,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 22:43:05,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4052 [2020-10-26 22:43:05,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:05,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:43:05,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:43:05,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-26 22:43:05,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:05,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:05,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:05,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:05,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:05,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:05,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-26 22:43:05,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:43:05,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:05,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:05,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:06,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:06,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:06,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:43:06,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:06,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-26 22:43:06,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:06,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:06,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:06,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-26 22:43:06,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:06,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:43:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:06,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:06,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:06,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-26 22:43:06,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:06,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-26 22:43:06,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:06,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:06,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-26 22:43:06,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:06,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 14 proven. 124 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:43:06,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2146173756] [2020-10-26 22:43:06,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:06,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:06,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528520678] [2020-10-26 22:43:06,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:06,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:06,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:06,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:06,479 INFO L87 Difference]: Start difference. First operand 20700 states and 24180 transitions. Second operand 7 states. [2020-10-26 22:43:06,656 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-26 22:43:10,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:10,154 INFO L93 Difference]: Finished difference Result 41581 states and 49313 transitions. [2020-10-26 22:43:10,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 22:43:10,156 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 287 [2020-10-26 22:43:10,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:10,208 INFO L225 Difference]: With dead ends: 41581 [2020-10-26 22:43:10,209 INFO L226 Difference]: Without dead ends: 21265 [2020-10-26 22:43:10,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:43:10,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21265 states. [2020-10-26 22:43:10,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21265 to 20641. [2020-10-26 22:43:10,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20641 states. [2020-10-26 22:43:10,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20641 states to 20641 states and 23850 transitions. [2020-10-26 22:43:10,608 INFO L78 Accepts]: Start accepts. Automaton has 20641 states and 23850 transitions. Word has length 287 [2020-10-26 22:43:10,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:10,608 INFO L481 AbstractCegarLoop]: Abstraction has 20641 states and 23850 transitions. [2020-10-26 22:43:10,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:10,608 INFO L276 IsEmpty]: Start isEmpty. Operand 20641 states and 23850 transitions. [2020-10-26 22:43:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-10-26 22:43:10,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:10,615 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:10,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-26 22:43:10,616 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:10,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:10,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1509196902, now seen corresponding path program 1 times [2020-10-26 22:43:10,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:10,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [330393878] [2020-10-26 22:43:10,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:10,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:11,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:11,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:11,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-26 22:43:11,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:11,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-10-26 22:43:11,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:11,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:11,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-10-26 22:43:11,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-26 22:43:11,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:11,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:11,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:11,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:11,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:11,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:11,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 22:43:11,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:11,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:11,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:11,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:11,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:11,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:11,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:11,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:11,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:43:11,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:11,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-26 22:43:11,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:11,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:11,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:11,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:11,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:11,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:43:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:11,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:11,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:11,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-26 22:43:11,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:11,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-26 22:43:11,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:11,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:11,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:11,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-26 22:43:11,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:11,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-26 22:43:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:11,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:11,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:11,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:11,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:43:11,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:11,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-26 22:43:11,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:11,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:11,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:11,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:43:11,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-26 22:43:12,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [330393878] [2020-10-26 22:43:12,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:12,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:12,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314500144] [2020-10-26 22:43:12,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:12,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:12,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:12,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:12,134 INFO L87 Difference]: Start difference. First operand 20641 states and 23850 transitions. Second operand 7 states. [2020-10-26 22:43:13,457 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-26 22:43:15,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:15,020 INFO L93 Difference]: Finished difference Result 36373 states and 42213 transitions. [2020-10-26 22:43:15,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:43:15,021 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 310 [2020-10-26 22:43:15,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:15,075 INFO L225 Difference]: With dead ends: 36373 [2020-10-26 22:43:15,075 INFO L226 Difference]: Without dead ends: 20697 [2020-10-26 22:43:15,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:43:15,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20697 states. [2020-10-26 22:43:15,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20697 to 20639. [2020-10-26 22:43:15,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20639 states. [2020-10-26 22:43:15,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20639 states to 20639 states and 23795 transitions. [2020-10-26 22:43:15,545 INFO L78 Accepts]: Start accepts. Automaton has 20639 states and 23795 transitions. Word has length 310 [2020-10-26 22:43:15,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:15,546 INFO L481 AbstractCegarLoop]: Abstraction has 20639 states and 23795 transitions. [2020-10-26 22:43:15,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 20639 states and 23795 transitions. [2020-10-26 22:43:15,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-26 22:43:15,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:15,553 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:15,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-26 22:43:15,553 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:15,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:15,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1357699611, now seen corresponding path program 1 times [2020-10-26 22:43:15,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:15,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [660452499] [2020-10-26 22:43:15,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:15,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:15,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:16,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:16,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-26 22:43:16,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:16,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-26 22:43:16,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:16,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:16,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-26 22:43:16,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-26 22:43:16,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:16,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:16,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:16,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:16,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:16,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:16,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 22:43:16,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:16,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:16,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:16,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:16,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:16,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:16,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:16,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:16,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:43:16,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:16,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-26 22:43:16,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:16,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:16,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-26 22:43:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:16,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:16,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:16,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-26 22:43:16,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:16,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-26 22:43:16,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:16,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-26 22:43:16,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:16,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-26 22:43:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:16,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:16,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:16,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:16,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:43:16,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:16,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-26 22:43:16,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:43:16,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-26 22:43:16,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [660452499] [2020-10-26 22:43:16,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:16,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:16,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156923374] [2020-10-26 22:43:16,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:16,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:16,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:16,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:16,857 INFO L87 Difference]: Start difference. First operand 20639 states and 23795 transitions. Second operand 7 states. [2020-10-26 22:43:18,822 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 22:43:20,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:20,716 INFO L93 Difference]: Finished difference Result 35973 states and 41663 transitions. [2020-10-26 22:43:20,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:43:20,717 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 315 [2020-10-26 22:43:20,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:20,753 INFO L225 Difference]: With dead ends: 35973 [2020-10-26 22:43:20,753 INFO L226 Difference]: Without dead ends: 20499 [2020-10-26 22:43:20,772 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:43:20,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20499 states. [2020-10-26 22:43:21,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20499 to 20449. [2020-10-26 22:43:21,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20449 states. [2020-10-26 22:43:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20449 states to 20449 states and 23490 transitions. [2020-10-26 22:43:21,115 INFO L78 Accepts]: Start accepts. Automaton has 20449 states and 23490 transitions. Word has length 315 [2020-10-26 22:43:21,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:21,115 INFO L481 AbstractCegarLoop]: Abstraction has 20449 states and 23490 transitions. [2020-10-26 22:43:21,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:21,115 INFO L276 IsEmpty]: Start isEmpty. Operand 20449 states and 23490 transitions. [2020-10-26 22:43:21,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-10-26 22:43:21,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:21,124 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 22:43:21,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-26 22:43:21,124 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:21,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:21,125 INFO L82 PathProgramCache]: Analyzing trace with hash -373171779, now seen corresponding path program 1 times [2020-10-26 22:43:21,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:21,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157921877] [2020-10-26 22:43:21,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:21,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:21,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:22,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:22,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-26 22:43:22,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:22,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1061 [2020-10-26 22:43:22,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 255 [2020-10-26 22:43:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:43:22,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:22,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:22,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:22,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:22,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:22,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:22,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:43:22,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:22,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:22,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:22,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:22,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:22,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:22,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:22,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:22,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-26 22:43:22,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:22,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-26 22:43:22,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:22,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:22,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:22,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:22,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:22,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-26 22:43:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:22,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:22,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:22,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:43:22,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:22,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-26 22:43:22,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:22,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:22,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:22,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-26 22:43:22,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:22,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-26 22:43:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:22,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:22,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:22,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:43:22,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:22,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-26 22:43:22,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:22,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:22,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:22,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:43:22,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:22,839 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-26 22:43:22,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157921877] [2020-10-26 22:43:22,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:22,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:22,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052587388] [2020-10-26 22:43:22,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:22,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:22,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:22,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:22,841 INFO L87 Difference]: Start difference. First operand 20449 states and 23490 transitions. Second operand 7 states. [2020-10-26 22:43:26,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:26,802 INFO L93 Difference]: Finished difference Result 37109 states and 42824 transitions. [2020-10-26 22:43:26,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:43:26,803 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 331 [2020-10-26 22:43:26,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:26,855 INFO L225 Difference]: With dead ends: 37109 [2020-10-26 22:43:26,855 INFO L226 Difference]: Without dead ends: 21459 [2020-10-26 22:43:26,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:43:26,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21459 states. [2020-10-26 22:43:27,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21459 to 21217. [2020-10-26 22:43:27,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21217 states. [2020-10-26 22:43:27,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21217 states to 21217 states and 24330 transitions. [2020-10-26 22:43:27,313 INFO L78 Accepts]: Start accepts. Automaton has 21217 states and 24330 transitions. Word has length 331 [2020-10-26 22:43:27,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:27,314 INFO L481 AbstractCegarLoop]: Abstraction has 21217 states and 24330 transitions. [2020-10-26 22:43:27,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:27,314 INFO L276 IsEmpty]: Start isEmpty. Operand 21217 states and 24330 transitions. [2020-10-26 22:43:27,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-10-26 22:43:27,320 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:27,321 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:27,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-26 22:43:27,322 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:27,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:27,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1947054257, now seen corresponding path program 1 times [2020-10-26 22:43:27,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:27,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486092086] [2020-10-26 22:43:27,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:27,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:27,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:28,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:28,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-10-26 22:43:28,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:28,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1074 [2020-10-26 22:43:28,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 258 [2020-10-26 22:43:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:43:28,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:28,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:28,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:28,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:28,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:28,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:28,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 22:43:28,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:28,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:28,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:28,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:28,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:28,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:28,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:28,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:28,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:43:28,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:28,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-26 22:43:28,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:28,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:28,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:28,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:28,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:28,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:43:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:28,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:28,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:28,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-26 22:43:28,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-26 22:43:28,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:43:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:28,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-26 22:43:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:28,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:29,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:29,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:43:29,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:29,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-26 22:43:29,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:43:29,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:29,134 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-26 22:43:29,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486092086] [2020-10-26 22:43:29,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:29,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:29,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295139344] [2020-10-26 22:43:29,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:29,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:29,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:29,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:29,136 INFO L87 Difference]: Start difference. First operand 21217 states and 24330 transitions. Second operand 7 states. [2020-10-26 22:43:33,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:33,973 INFO L93 Difference]: Finished difference Result 37677 states and 43332 transitions. [2020-10-26 22:43:33,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:43:33,974 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 334 [2020-10-26 22:43:33,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:34,010 INFO L225 Difference]: With dead ends: 37677 [2020-10-26 22:43:34,010 INFO L226 Difference]: Without dead ends: 20889 [2020-10-26 22:43:34,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:43:34,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20889 states. [2020-10-26 22:43:34,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20889 to 20837. [2020-10-26 22:43:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20837 states. [2020-10-26 22:43:34,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20837 states to 20837 states and 23866 transitions. [2020-10-26 22:43:34,444 INFO L78 Accepts]: Start accepts. Automaton has 20837 states and 23866 transitions. Word has length 334 [2020-10-26 22:43:34,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:34,444 INFO L481 AbstractCegarLoop]: Abstraction has 20837 states and 23866 transitions. [2020-10-26 22:43:34,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:34,445 INFO L276 IsEmpty]: Start isEmpty. Operand 20837 states and 23866 transitions. [2020-10-26 22:43:34,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-26 22:43:34,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:34,451 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:34,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-26 22:43:34,452 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:34,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:34,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1661951673, now seen corresponding path program 1 times [2020-10-26 22:43:34,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:34,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [812280933] [2020-10-26 22:43:34,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:34,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:34,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:34,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-10-26 22:43:34,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-26 22:43:34,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-26 22:43:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:43:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:35,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:35,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:35,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:35,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:35,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:35,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 22:43:35,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:35,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:35,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:35,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:35,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:35,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:35,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:35,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:35,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:43:35,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:35,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-26 22:43:35,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:35,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:35,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:35,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:35,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:35,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:43:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:35,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:35,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:35,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:43:35,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:35,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-26 22:43:35,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-26 22:43:35,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:35,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-26 22:43:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:35,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:35,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:35,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:43:35,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:35,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-26 22:43:35,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:35,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:35,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:35,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:43:35,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:35,487 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-26 22:43:35,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [812280933] [2020-10-26 22:43:35,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:35,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:35,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898519536] [2020-10-26 22:43:35,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:35,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:35,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:35,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:35,490 INFO L87 Difference]: Start difference. First operand 20837 states and 23866 transitions. Second operand 7 states. [2020-10-26 22:43:39,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:39,837 INFO L93 Difference]: Finished difference Result 37330 states and 42980 transitions. [2020-10-26 22:43:39,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:43:39,839 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 335 [2020-10-26 22:43:39,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:39,877 INFO L225 Difference]: With dead ends: 37330 [2020-10-26 22:43:39,877 INFO L226 Difference]: Without dead ends: 21302 [2020-10-26 22:43:39,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:43:39,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21302 states. [2020-10-26 22:43:40,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21302 to 21227. [2020-10-26 22:43:40,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21227 states. [2020-10-26 22:43:40,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21227 states to 21227 states and 24303 transitions. [2020-10-26 22:43:40,200 INFO L78 Accepts]: Start accepts. Automaton has 21227 states and 24303 transitions. Word has length 335 [2020-10-26 22:43:40,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:40,200 INFO L481 AbstractCegarLoop]: Abstraction has 21227 states and 24303 transitions. [2020-10-26 22:43:40,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:40,200 INFO L276 IsEmpty]: Start isEmpty. Operand 21227 states and 24303 transitions. [2020-10-26 22:43:40,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-10-26 22:43:40,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:40,206 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:40,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-26 22:43:40,206 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:40,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:40,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1401637890, now seen corresponding path program 1 times [2020-10-26 22:43:40,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:40,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237934860] [2020-10-26 22:43:40,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:40,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:40,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:40,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 373 [2020-10-26 22:43:40,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:40,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-26 22:43:40,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:40,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:40,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 281 [2020-10-26 22:43:40,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:43:40,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:40,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:40,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:40,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:40,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:40,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:40,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:43:40,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:40,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:40,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:41,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:41,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:43:41,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:41,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-26 22:43:41,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:41,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:41,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:41,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:41,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:41,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:43:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:41,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:41,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:41,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-26 22:43:41,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:41,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-26 22:43:41,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:41,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:41,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:41,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-26 22:43:41,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:41,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-26 22:43:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:41,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:41,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:41,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:43:41,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:41,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-26 22:43:41,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:41,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:41,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:41,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:43:41,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:41,609 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-26 22:43:41,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237934860] [2020-10-26 22:43:41,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:41,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:41,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725281519] [2020-10-26 22:43:41,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:41,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:41,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:41,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:41,611 INFO L87 Difference]: Start difference. First operand 21227 states and 24303 transitions. Second operand 7 states. [2020-10-26 22:43:45,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:45,698 INFO L93 Difference]: Finished difference Result 37683 states and 43921 transitions. [2020-10-26 22:43:45,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-26 22:43:45,702 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 357 [2020-10-26 22:43:45,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:45,743 INFO L225 Difference]: With dead ends: 37683 [2020-10-26 22:43:45,743 INFO L226 Difference]: Without dead ends: 21453 [2020-10-26 22:43:45,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-26 22:43:45,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21453 states. [2020-10-26 22:43:46,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21453 to 21227. [2020-10-26 22:43:46,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21227 states. [2020-10-26 22:43:46,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21227 states to 21227 states and 24237 transitions. [2020-10-26 22:43:46,052 INFO L78 Accepts]: Start accepts. Automaton has 21227 states and 24237 transitions. Word has length 357 [2020-10-26 22:43:46,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:46,052 INFO L481 AbstractCegarLoop]: Abstraction has 21227 states and 24237 transitions. [2020-10-26 22:43:46,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:46,053 INFO L276 IsEmpty]: Start isEmpty. Operand 21227 states and 24237 transitions. [2020-10-26 22:43:46,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-10-26 22:43:46,060 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:46,060 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:46,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-26 22:43:46,060 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:46,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:46,061 INFO L82 PathProgramCache]: Analyzing trace with hash -294996445, now seen corresponding path program 1 times [2020-10-26 22:43:46,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:46,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102418177] [2020-10-26 22:43:46,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:46,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:46,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:46,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:46,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 374 [2020-10-26 22:43:46,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:46,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 526 [2020-10-26 22:43:46,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:46,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:46,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 282 [2020-10-26 22:43:46,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:43:46,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:46,949 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-26 22:43:46,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:46,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:46,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:46,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:46,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:46,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-26 22:43:46,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:46,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:46,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:46,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:46,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:47,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:47,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:43:47,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:47,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-26 22:43:47,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:47,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:47,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:47,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:47,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:47,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:43:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:47,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:47,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:47,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-26 22:43:47,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:47,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-26 22:43:47,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-26 22:43:47,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:47,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-10-26 22:43:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:47,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:47,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:47,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:43:47,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:47,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-26 22:43:47,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:47,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:47,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:47,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:43:47,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:47,489 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-26 22:43:47,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102418177] [2020-10-26 22:43:47,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:47,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 22:43:47,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124093323] [2020-10-26 22:43:47,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:43:47,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:47,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:43:47,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:43:47,492 INFO L87 Difference]: Start difference. First operand 21227 states and 24237 transitions. Second operand 8 states. [2020-10-26 22:43:53,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:53,754 INFO L93 Difference]: Finished difference Result 40552 states and 46792 transitions. [2020-10-26 22:43:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-26 22:43:53,756 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 358 [2020-10-26 22:43:53,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:53,899 INFO L225 Difference]: With dead ends: 40552 [2020-10-26 22:43:53,899 INFO L226 Difference]: Without dead ends: 23552 [2020-10-26 22:43:53,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-26 22:43:53,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23552 states. [2020-10-26 22:43:54,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23552 to 23498. [2020-10-26 22:43:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23498 states. [2020-10-26 22:43:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23498 states to 23498 states and 26556 transitions. [2020-10-26 22:43:54,194 INFO L78 Accepts]: Start accepts. Automaton has 23498 states and 26556 transitions. Word has length 358 [2020-10-26 22:43:54,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:54,194 INFO L481 AbstractCegarLoop]: Abstraction has 23498 states and 26556 transitions. [2020-10-26 22:43:54,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:43:54,194 INFO L276 IsEmpty]: Start isEmpty. Operand 23498 states and 26556 transitions. [2020-10-26 22:43:54,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2020-10-26 22:43:54,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:54,201 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:54,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-26 22:43:54,201 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:54,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:54,202 INFO L82 PathProgramCache]: Analyzing trace with hash -195013200, now seen corresponding path program 1 times [2020-10-26 22:43:54,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:54,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611429559] [2020-10-26 22:43:54,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:54,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:54,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:55,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:55,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-10-26 22:43:55,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:55,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 901 [2020-10-26 22:43:55,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:55,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:55,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-26 22:43:55,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-26 22:43:55,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:55,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:55,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:55,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:55,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:55,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:55,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:43:55,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:55,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:55,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:55,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:55,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:55,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:55,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:55,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:55,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:43:55,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:55,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-26 22:43:55,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:55,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:55,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:55,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 22:43:55,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:43:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:55,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:55,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:55,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-26 22:43:55,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:55,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-26 22:43:55,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:55,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:55,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:55,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-26 22:43:55,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:55,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-26 22:43:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:55,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:55,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:55,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-26 22:43:55,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:55,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-26 22:43:55,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:55,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:55,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:55,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-26 22:43:55,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 220 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-26 22:43:56,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611429559] [2020-10-26 22:43:56,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:56,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:56,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229626748] [2020-10-26 22:43:56,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:56,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:56,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:56,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:56,079 INFO L87 Difference]: Start difference. First operand 23498 states and 26556 transitions. Second operand 7 states. [2020-10-26 22:44:01,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:44:01,802 INFO L93 Difference]: Finished difference Result 45115 states and 51387 transitions. [2020-10-26 22:44:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:44:01,811 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 359 [2020-10-26 22:44:01,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:44:01,859 INFO L225 Difference]: With dead ends: 45115 [2020-10-26 22:44:01,859 INFO L226 Difference]: Without dead ends: 26045 [2020-10-26 22:44:01,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:44:01,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26045 states. [2020-10-26 22:44:02,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26045 to 25612. [2020-10-26 22:44:02,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25612 states. [2020-10-26 22:44:02,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25612 states to 25612 states and 28860 transitions. [2020-10-26 22:44:02,226 INFO L78 Accepts]: Start accepts. Automaton has 25612 states and 28860 transitions. Word has length 359 [2020-10-26 22:44:02,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:44:02,226 INFO L481 AbstractCegarLoop]: Abstraction has 25612 states and 28860 transitions. [2020-10-26 22:44:02,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:44:02,227 INFO L276 IsEmpty]: Start isEmpty. Operand 25612 states and 28860 transitions. [2020-10-26 22:44:02,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2020-10-26 22:44:02,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:44:02,236 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:44:02,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-26 22:44:02,236 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:44:02,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:44:02,237 INFO L82 PathProgramCache]: Analyzing trace with hash -481345562, now seen corresponding path program 1 times [2020-10-26 22:44:02,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:44:02,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828874441] [2020-10-26 22:44:02,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:44:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:02,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:02,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:02,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:02,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:02,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:03,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:03,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 410 [2020-10-26 22:44:03,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 22:44:03,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 762 [2020-10-26 22:44:03,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:44:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:44:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 313 [2020-10-26 22:44:03,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:03,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:44:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:03,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:03,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:03,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:44:03,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:44:03,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-26 22:44:03,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:03,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:44:03,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:44:03,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:44:03,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:03,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:44:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:03,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:03,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:03,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:03,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:44:03,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:44:03,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-26 22:44:03,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:03,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:44:03,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:44:03,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-26 22:44:03,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:03,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:44:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:03,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:03,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:03,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:03,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-26 22:44:03,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:44:03,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-26 22:44:03,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:03,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:44:03,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-26 22:44:03,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:44:03,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:03,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2020-10-26 22:44:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:03,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:03,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:03,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:44:03,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:44:03,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-26 22:44:03,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:44:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-26 22:44:03,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:44:03,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2020-10-26 22:44:03,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828874441] [2020-10-26 22:44:03,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:44:03,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:44:03,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093816922] [2020-10-26 22:44:03,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:44:03,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:44:03,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:44:03,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:44:03,890 INFO L87 Difference]: Start difference. First operand 25612 states and 28860 transitions. Second operand 5 states. [2020-10-26 22:44:05,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:44:05,786 INFO L93 Difference]: Finished difference Result 46455 states and 52493 transitions. [2020-10-26 22:44:05,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:44:05,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 394 [2020-10-26 22:44:05,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:44:05,833 INFO L225 Difference]: With dead ends: 46455 [2020-10-26 22:44:05,833 INFO L226 Difference]: Without dead ends: 24316 [2020-10-26 22:44:05,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:44:05,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24316 states. [2020-10-26 22:44:06,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24316 to 24258. [2020-10-26 22:44:06,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24258 states. [2020-10-26 22:44:06,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24258 states to 24258 states and 27304 transitions. [2020-10-26 22:44:06,293 INFO L78 Accepts]: Start accepts. Automaton has 24258 states and 27304 transitions. Word has length 394 [2020-10-26 22:44:06,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:44:06,293 INFO L481 AbstractCegarLoop]: Abstraction has 24258 states and 27304 transitions. [2020-10-26 22:44:06,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:44:06,293 INFO L276 IsEmpty]: Start isEmpty. Operand 24258 states and 27304 transitions. [2020-10-26 22:44:06,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2020-10-26 22:44:06,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:44:06,300 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:44:06,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-26 22:44:06,300 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:44:06,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:44:06,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1067621784, now seen corresponding path program 1 times [2020-10-26 22:44:06,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:44:06,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1864120157] [2020-10-26 22:44:06,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:44:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:06,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:06,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:06,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 410 [2020-10-26 22:44:06,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:44:06,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 516 [2020-10-26 22:44:06,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:06,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:44:06,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 317 [2020-10-26 22:44:06,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-26 22:44:06,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:07,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:44:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:07,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:07,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:07,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:44:07,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:44:07,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 22:44:07,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:44:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:44:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:44:07,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:07,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:44:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:07,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:07,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:07,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:44:07,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:44:07,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-26 22:44:07,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:07,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:44:07,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:44:07,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:44:07,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:07,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:44:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:07,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:07,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:07,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-26 22:44:07,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:44:07,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-26 22:44:07,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:07,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:44:07,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:44:07,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-26 22:44:07,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:07,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2020-10-26 22:44:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:07,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:07,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:07,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:44:07,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:44:07,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-26 22:44:07,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:07,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:44:07,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:44:07,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:44:07,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-26 22:44:07,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1864120157] [2020-10-26 22:44:07,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:44:07,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:44:07,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339669774] [2020-10-26 22:44:07,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:44:07,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:44:07,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:44:07,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:44:07,761 INFO L87 Difference]: Start difference. First operand 24258 states and 27304 transitions. Second operand 7 states. [2020-10-26 22:44:11,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:44:11,410 INFO L93 Difference]: Finished difference Result 43981 states and 49662 transitions. [2020-10-26 22:44:11,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-26 22:44:11,411 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 394 [2020-10-26 22:44:11,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:44:11,449 INFO L225 Difference]: With dead ends: 43981 [2020-10-26 22:44:11,449 INFO L226 Difference]: Without dead ends: 24150 [2020-10-26 22:44:11,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-26 22:44:11,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24150 states. [2020-10-26 22:44:11,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24150 to 23502. [2020-10-26 22:44:11,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23502 states. [2020-10-26 22:44:11,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23502 states to 23502 states and 26419 transitions. [2020-10-26 22:44:11,859 INFO L78 Accepts]: Start accepts. Automaton has 23502 states and 26419 transitions. Word has length 394 [2020-10-26 22:44:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:44:11,859 INFO L481 AbstractCegarLoop]: Abstraction has 23502 states and 26419 transitions. [2020-10-26 22:44:11,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:44:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 23502 states and 26419 transitions. [2020-10-26 22:44:11,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2020-10-26 22:44:11,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:44:11,870 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:44:11,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-26 22:44:11,871 INFO L429 AbstractCegarLoop]: === Iteration 27 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:44:11,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:44:11,871 INFO L82 PathProgramCache]: Analyzing trace with hash -279042365, now seen corresponding path program 1 times [2020-10-26 22:44:11,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:44:11,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462192738] [2020-10-26 22:44:11,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:44:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:12,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:12,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:13,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:14,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:14,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 417 [2020-10-26 22:44:14,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:44:14,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2904 [2020-10-26 22:44:14,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:14,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-26 22:44:14,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-26 22:44:14,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-26 22:44:14,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:15,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:44:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:15,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:15,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:15,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:44:15,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:44:15,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:44:15,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:44:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:44:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:44:15,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:15,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:44:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:15,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:15,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:15,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-26 22:44:15,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:44:15,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-26 22:44:15,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:44:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:44:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-26 22:44:15,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:15,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-26 22:44:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:15,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:15,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:15,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-26 22:44:15,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:44:15,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-26 22:44:15,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:15,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-26 22:44:15,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:44:15,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-26 22:44:15,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:15,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-26 22:44:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:15,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:15,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:16,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:16,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:44:16,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:44:16,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-10-26 22:44:16,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:44:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:44:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:44:16,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:16,675 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 251 proven. 60 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 22:44:16,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462192738] [2020-10-26 22:44:16,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:44:16,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-26 22:44:16,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293780862] [2020-10-26 22:44:16,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-26 22:44:16,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:44:16,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-26 22:44:16,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-26 22:44:16,677 INFO L87 Difference]: Start difference. First operand 23502 states and 26419 transitions. Second operand 9 states. [2020-10-26 22:44:17,056 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-26 22:44:19,138 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-10-26 22:44:19,314 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-10-26 22:44:19,489 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 22:44:20,654 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-26 22:44:22,123 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-26 22:44:22,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:44:22,684 INFO L93 Difference]: Finished difference Result 44009 states and 49626 transitions. [2020-10-26 22:44:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-26 22:44:22,685 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 401 [2020-10-26 22:44:22,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:44:22,731 INFO L225 Difference]: With dead ends: 44009 [2020-10-26 22:44:22,732 INFO L226 Difference]: Without dead ends: 25295 [2020-10-26 22:44:22,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2020-10-26 22:44:22,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25295 states. [2020-10-26 22:44:23,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25295 to 25220. [2020-10-26 22:44:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25220 states. [2020-10-26 22:44:23,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25220 states to 25220 states and 28306 transitions. [2020-10-26 22:44:23,089 INFO L78 Accepts]: Start accepts. Automaton has 25220 states and 28306 transitions. Word has length 401 [2020-10-26 22:44:23,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:44:23,090 INFO L481 AbstractCegarLoop]: Abstraction has 25220 states and 28306 transitions. [2020-10-26 22:44:23,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-26 22:44:23,090 INFO L276 IsEmpty]: Start isEmpty. Operand 25220 states and 28306 transitions. [2020-10-26 22:44:23,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2020-10-26 22:44:23,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:44:23,099 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:44:23,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-26 22:44:23,099 INFO L429 AbstractCegarLoop]: === Iteration 28 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:44:23,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:44:23,100 INFO L82 PathProgramCache]: Analyzing trace with hash -700840192, now seen corresponding path program 1 times [2020-10-26 22:44:23,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:44:23,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244417546] [2020-10-26 22:44:23,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:44:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 22:44:23,170 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-26 22:44:23,170 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 22:44:23,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-26 22:44:23,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:44:23 BoogieIcfgContainer [2020-10-26 22:44:23,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 22:44:23,233 INFO L168 Benchmark]: Toolchain (without parser) took 171660.94 ms. Allocated memory was 160.4 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 113.1 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 644.8 MB. Max. memory is 8.0 GB. [2020-10-26 22:44:23,234 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 160.4 MB. Free memory is still 132.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 22:44:23,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1203.14 ms. Allocated memory is still 160.4 MB. Free memory was 112.5 MB in the beginning and 122.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:44:23,235 INFO L168 Benchmark]: Boogie Preprocessor took 194.11 ms. Allocated memory is still 160.4 MB. Free memory was 122.0 MB in the beginning and 114.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-26 22:44:23,235 INFO L168 Benchmark]: RCFGBuilder took 2182.53 ms. Allocated memory was 160.4 MB in the beginning and 207.6 MB in the end (delta: 47.2 MB). Free memory was 114.3 MB in the beginning and 106.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:44:23,236 INFO L168 Benchmark]: TraceAbstraction took 168066.29 ms. Allocated memory was 207.6 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 105.6 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 589.5 MB. Max. memory is 8.0 GB. [2020-10-26 22:44:23,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 160.4 MB. Free memory is still 132.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1203.14 ms. Allocated memory is still 160.4 MB. Free memory was 112.5 MB in the beginning and 122.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 194.11 ms. Allocated memory is still 160.4 MB. Free memory was 122.0 MB in the beginning and 114.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2182.53 ms. Allocated memory was 160.4 MB in the beginning and 207.6 MB in the end (delta: 47.2 MB). Free memory was 114.3 MB in the beginning and 106.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 168066.29 ms. Allocated memory was 207.6 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 105.6 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 589.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] int inputA = 1; [L10] int inputD = 4; [L11] int inputB = 2; [L12] int inputE = 5; [L13] int inputF = 6; [L14] int inputC = 3; [L17] int a29 = 130; [L18] int a4 = 1; [L19] int a23 = 312; [L20] int a8 = 15; [L21] int a25 = 10; [L22] int a3 = 1; [L1033] int output = -1; [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] 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)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] 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))) [L242] 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))) [L249] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L256] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L262] 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))) [L267] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L270] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L277] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L282] 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 ))) [L289] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L296] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L301] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L319] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L324] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L331] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L336] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L342] 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))) [L348] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L355] 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)))) [L360] 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))) [L367] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L372] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L379] 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))) [L386] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L393] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L400] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L413] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L419] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L424] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L431] 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)) )) [L438] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L445] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L452] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L458] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L465] 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)))) [L472] 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))) [L479] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L489] 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))) [L502] 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 )))) [L509] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L516] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L528] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L533] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L539] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L544] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L551] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L557] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L563] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L568] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L574] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L577] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L583] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L588] 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))) [L600] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L605] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L617] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L623] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L630] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L637] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L644] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L649] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L660] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L665] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L672] 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))))) [L677] 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))) [L683] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L690] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L696] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L708] 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))) [L714] COND FALSE !(( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5)))))))) [L719] COND FALSE !(((( 277 < a29 && ((a8==15) && (((input == 6) && a23 <= -43 ) && (a25==13)))) && !(a4==1)) && (a3==1))) [L733] 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)))) [L740] COND FALSE !(((a3==1) && (( 306 < a23 && (((a4==1) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 1))) && a29 <= 140 )) && (a8==15)))) [L745] 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))) [L752] COND FALSE !(((!(a4==1) && (((a8==15) && ( a29 <= 140 && (((a25==10) || (a25==11)) && (input == 5)))) && a23 <= -43 )) && (a3==1))) [L759] COND FALSE !((((((a8==15) && ((a3==1) && ( a23 <= -43 && (input == 5)))) && !(a4==1)) && (a25==13)) && 277 < a29 )) [L771] COND FALSE !(((a8==15) && ((a3==1) && ( 306 < a23 && ((((((a25==11) || (a25==12)) || (a25==13)) && (input == 1)) && (a4==1)) && ((245 < a29) && (277 >= a29)) ))))) [L776] COND FALSE !((!(a4==1) && (((((((a25==12) || (a25==13)) && (input == 6)) && (a8==15)) && a23 <= -43 ) && (a3==1)) && a29 <= 140 ))) [L782] 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)))) [L789] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 6)) && (a25==9))) && a29 <= 140 ) && (a3==1)) && (a8==15))) [L794] COND FALSE !((( a29 <= 140 && ((a3==1) && ((a8==15) && ((a25==13) && ( 306 < a23 && (input == 1)))))) && (a4==1))) [L801] 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)))) [L806] 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))) [L818] 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))) [L824] COND FALSE !(( a29 <= 140 && ((((( 306 < a23 && (input == 2)) && (a25==13)) && (a4==1)) && (a3==1)) && (a8==15)))) [L827] COND FALSE !(((a8==15) && ((((a3==1) && ((((a25==10) || (a25==11)) && (input == 6)) && a29 <= 140 )) && a23 <= -43 ) && !(a4==1)))) [L833] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((a8==15) && (((a25==13) || ((a25==11) || (a25==12))) && (input == 4))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L838] COND FALSE !((((a3==1) && ((a8==15) && ((((a25==13) && (input == 4)) && (a4==1)) && a29 <= 140 ))) && 306 < a23 )) [L843] COND FALSE !((( 306 < a23 && ((a25==13) && ((((input == 3) && a29 <= 140 ) && (a3==1)) && (a4==1)))) && (a8==15))) [L848] COND FALSE !((!(a4==1) && (( 277 < a29 && ((((input == 4) && a23 <= -43 ) && (a8==15)) && (a3==1))) && (a25==13)))) [L854] 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)))) [L861] COND FALSE !(( 277 < a29 && ((a3==1) && ((a8==15) && ((a4==1) && ( 306 < a23 && ((input == 6) && (((a25==9) || (a25==10)) || (a25==11))))))))) [L867] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 4) && ((a25==12) || ((a25==10) || (a25==11))))) && (a8==15)) && !(a4==1)) && (a3==1)) && a29 <= 140 )) [L878] COND FALSE !(((((( a23 <= -43 && ((input == 5) && ((a25==12) || ((a25==10) || (a25==11))))) && (a3==1)) && !(a4==1)) && 277 < a29 ) && (a8==15))) [L883] 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 )) [L888] COND FALSE !((( a23 <= -43 && ((( ((140 < a29) && (245 >= a29)) && ((input == 1) && (((a25==9) || (a25==10)) || (a25==11)))) && !(a4==1)) && (a8==15))) && (a3==1))) [L895] COND TRUE ((((a3==1) && ((((input == 2) && ((a25==12) || ((a25==10) || (a25==11)))) && (a4==1)) && (a8==15))) && a29 <= 140 ) && 306 < a23 ) [L897] a25 = 13 [L899] return 23; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] 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)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] 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))) [L242] 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))) [L249] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L256] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L262] 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))) [L267] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L270] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L277] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L282] 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 ))) [L289] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L296] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L301] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L319] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L324] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L331] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L336] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L342] 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))) [L348] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L355] 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)))) [L360] 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))) [L367] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L372] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L379] 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))) [L386] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L393] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L400] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L413] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L419] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L424] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L431] 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)) )) [L438] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L445] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L452] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L458] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L465] 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)))) [L472] 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))) [L479] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L489] 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))) [L502] 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 )))) [L509] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L516] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L528] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L533] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L539] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L544] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L551] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L557] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L563] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L568] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L574] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L577] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L583] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L588] 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))) [L600] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L605] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L617] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L623] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L630] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L637] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L644] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L649] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L660] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L665] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L672] 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))))) [L677] 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))) [L683] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L690] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L696] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L708] 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))) [L714] COND FALSE !(( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5)))))))) [L719] COND FALSE !(((( 277 < a29 && ((a8==15) && (((input == 6) && a23 <= -43 ) && (a25==13)))) && !(a4==1)) && (a3==1))) [L733] 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)))) [L740] COND FALSE !(((a3==1) && (( 306 < a23 && (((a4==1) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 1))) && a29 <= 140 )) && (a8==15)))) [L745] 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))) [L752] COND FALSE !(((!(a4==1) && (((a8==15) && ( a29 <= 140 && (((a25==10) || (a25==11)) && (input == 5)))) && a23 <= -43 )) && (a3==1))) [L759] COND FALSE !((((((a8==15) && ((a3==1) && ( a23 <= -43 && (input == 5)))) && !(a4==1)) && (a25==13)) && 277 < a29 )) [L771] COND FALSE !(((a8==15) && ((a3==1) && ( 306 < a23 && ((((((a25==11) || (a25==12)) || (a25==13)) && (input == 1)) && (a4==1)) && ((245 < a29) && (277 >= a29)) ))))) [L776] COND FALSE !((!(a4==1) && (((((((a25==12) || (a25==13)) && (input == 6)) && (a8==15)) && a23 <= -43 ) && (a3==1)) && a29 <= 140 ))) [L782] 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)))) [L789] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 6)) && (a25==9))) && a29 <= 140 ) && (a3==1)) && (a8==15))) [L794] COND FALSE !((( a29 <= 140 && ((a3==1) && ((a8==15) && ((a25==13) && ( 306 < a23 && (input == 1)))))) && (a4==1))) [L801] 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)))) [L806] 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))) [L818] 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))) [L824] COND TRUE ( a29 <= 140 && ((((( 306 < a23 && (input == 2)) && (a25==13)) && (a4==1)) && (a3==1)) && (a8==15))) [L825] a29 = (((a29 / 5) + 165004) + 41645) [L826] return 23; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] 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)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] COND TRUE (((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1)) [L236] a29 = ((((a29 / 5) - -25349) / 5) + 110879) [L237] a23 = ((((((a23 * 9)/ 10) + 1944) + 57035) % 90)- -48) [L238] a4 = 1 [L239] a25 = 9 [L241] return -1; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND TRUE ((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)) [L32] CALL reach_error() [L4] __assert_fail("0", "Problem11_label34.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 167.9s, OverallIterations: 28, TraceHistogramMax: 4, AutomataDifference: 110.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1302 SDtfs, 19137 SDslu, 2321 SDs, 0 SdLazy, 39550 SolverSat, 5934 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 69.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 498 GetRequests, 253 SyntacticMatches, 2 SemanticMatches, 243 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25612occurred in iteration=24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.2s AutomataMinimizationTime, 27 MinimizatonAttempts, 5658 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 44.2s InterpolantComputationTime, 7444 NumberOfCodeBlocks, 7444 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 6999 ConstructedInterpolants, 0 QuantifiedInterpolants, 6899710 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 3 PerfectInterpolantSequences, 4109/4418 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...