/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=DEEPEST --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_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:29:04,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:29:04,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:29:04,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:29:04,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:29:04,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:29:04,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:29:04,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:29:04,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:29:04,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:29:04,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:29:04,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:29:04,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:29:04,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:29:04,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:29:04,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:29:04,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:29:04,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:29:04,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:29:04,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:29:04,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:29:04,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:29:04,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:29:04,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:29:04,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:29:04,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:29:04,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:29:04,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:29:04,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:29:04,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:29:04,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:29:04,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:29:04,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:29:04,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:29:04,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:29:04,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:29:04,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:29:04,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:29:04,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:29:04,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:29:04,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:29:04,172 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 [2020-10-27 17:29:04,202 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:29:04,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:29:04,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:29:04,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:29:04,205 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:29:04,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:29:04,205 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:29:04,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:29:04,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:29:04,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:29:04,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:29:04,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:29:04,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:29:04,207 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:29:04,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:29:04,208 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:29:04,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:29:04,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:29:04,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:29:04,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:29:04,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:29:04,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:29:04,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:29:04,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:29:04,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:29:04,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:29:04,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:29:04,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:29:04,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:29:04,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:29:04,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:29:04,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:29:04,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:29:04,677 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:29:04,677 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:29:04,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label00.c [2020-10-27 17:29:04,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5be01f8d/760a61a808e1441c8e04bf2dbfa5df1d/FLAG0bc9e0a52 [2020-10-27 17:29:05,665 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:29:05,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label00.c [2020-10-27 17:29:05,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5be01f8d/760a61a808e1441c8e04bf2dbfa5df1d/FLAG0bc9e0a52 [2020-10-27 17:29:05,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5be01f8d/760a61a808e1441c8e04bf2dbfa5df1d [2020-10-27 17:29:05,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:29:05,846 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:29:05,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:29:05,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:29:05,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:29:05,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:29:05" (1/1) ... [2020-10-27 17:29:05,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f9954f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:05, skipping insertion in model container [2020-10-27 17:29:05,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:29:05" (1/1) ... [2020-10-27 17:29:05,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:29:05,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:29:06,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:29:06,710 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:29:06,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:29:06,895 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:29:06,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:06 WrapperNode [2020-10-27 17:29:06,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:29:06,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:29:06,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:29:06,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:29:06,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:06" (1/1) ... [2020-10-27 17:29:06,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:06" (1/1) ... [2020-10-27 17:29:06,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:06" (1/1) ... [2020-10-27 17:29:06,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:06" (1/1) ... [2020-10-27 17:29:07,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:06" (1/1) ... [2020-10-27 17:29:07,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:06" (1/1) ... [2020-10-27 17:29:07,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:06" (1/1) ... [2020-10-27 17:29:07,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:29:07,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:29:07,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:29:07,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:29:07,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:06" (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 [2020-10-27 17:29:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:29:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:29:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:29:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:29:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:29:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:29:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:29:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:29:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:29:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:29:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:29:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:29:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:29:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:29:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:29:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:29:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:29:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:29:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:29:09,153 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:29:09,154 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:29:09,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:29:09 BoogieIcfgContainer [2020-10-27 17:29:09,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:29:09,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:29:09,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:29:09,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:29:09,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:29:05" (1/3) ... [2020-10-27 17:29:09,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372c5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:29:09, skipping insertion in model container [2020-10-27 17:29:09,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:06" (2/3) ... [2020-10-27 17:29:09,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372c5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:29:09, skipping insertion in model container [2020-10-27 17:29:09,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:29:09" (3/3) ... [2020-10-27 17:29:09,176 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label00.c [2020-10-27 17:29:09,191 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:29:09,198 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:29:09,213 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:29:09,264 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:29:09,264 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:29:09,264 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:29:09,264 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:29:09,265 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:29:09,265 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:29:09,265 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:29:09,265 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:29:09,310 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-27 17:29:09,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-27 17:29:09,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:09,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:09,318 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:09,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:09,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1185110838, now seen corresponding path program 1 times [2020-10-27 17:29:09,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:09,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859387218] [2020-10-27 17:29:09,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:09,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:09,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:09,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 17:29:09,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:09,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 439 [2020-10-27 17:29:09,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:29:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:29:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 17:29:09,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:29:10,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:10,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:10,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:10,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:10,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:10,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 17:29:10,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:10,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:10,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:10,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:29:10,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:10,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859387218] [2020-10-27 17:29:10,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:29:10,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:29:10,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158652592] [2020-10-27 17:29:10,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:29:10,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:10,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:29:10,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:29:10,196 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-27 17:29:13,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:13,444 INFO L93 Difference]: Finished difference Result 796 states and 1392 transitions. [2020-10-27 17:29:13,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:13,454 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-27 17:29:13,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:13,481 INFO L225 Difference]: With dead ends: 796 [2020-10-27 17:29:13,481 INFO L226 Difference]: Without dead ends: 435 [2020-10-27 17:29:13,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:13,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-10-27 17:29:13,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 431. [2020-10-27 17:29:13,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-10-27 17:29:13,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 619 transitions. [2020-10-27 17:29:13,622 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 619 transitions. Word has length 13 [2020-10-27 17:29:13,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:13,622 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 619 transitions. [2020-10-27 17:29:13,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:29:13,623 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 619 transitions. [2020-10-27 17:29:13,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-27 17:29:13,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:13,628 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:13,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:29:13,629 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:13,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:13,630 INFO L82 PathProgramCache]: Analyzing trace with hash 28050107, now seen corresponding path program 1 times [2020-10-27 17:29:13,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:13,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341546075] [2020-10-27 17:29:13,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:13,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:14,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:15,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:15,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 17:29:15,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:29:15,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1573 [2020-10-27 17:29:15,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 17:29:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 17:29:15,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 17:29:15,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:15,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:15,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:15,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:15,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:15,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:29:15,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:15,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:15,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:15,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:15,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:15,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:15,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:29:15,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:15,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-27 17:29:15,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 17:29:15,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:15,649 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:15,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341546075] [2020-10-27 17:29:15,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:15,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:15,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737503362] [2020-10-27 17:29:15,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:15,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:15,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:15,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:15,657 INFO L87 Difference]: Start difference. First operand 431 states and 619 transitions. Second operand 5 states. [2020-10-27 17:29:18,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:18,817 INFO L93 Difference]: Finished difference Result 1258 states and 1832 transitions. [2020-10-27 17:29:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:18,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-10-27 17:29:18,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:18,827 INFO L225 Difference]: With dead ends: 1258 [2020-10-27 17:29:18,827 INFO L226 Difference]: Without dead ends: 833 [2020-10-27 17:29:18,830 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 [2020-10-27 17:29:18,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2020-10-27 17:29:18,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 815. [2020-10-27 17:29:18,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2020-10-27 17:29:18,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1091 transitions. [2020-10-27 17:29:18,894 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1091 transitions. Word has length 85 [2020-10-27 17:29:18,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:18,895 INFO L481 AbstractCegarLoop]: Abstraction has 815 states and 1091 transitions. [2020-10-27 17:29:18,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:18,895 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1091 transitions. [2020-10-27 17:29:18,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-27 17:29:18,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:18,902 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 17:29:18,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:29:18,903 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:18,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:18,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1290144385, now seen corresponding path program 1 times [2020-10-27 17:29:18,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:18,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [113265646] [2020-10-27 17:29:18,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:18,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:19,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:20,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:20,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 17:29:20,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:29:20,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1434 [2020-10-27 17:29:20,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:20,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:20,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 17:29:20,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 17:29:20,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:20,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:20,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:20,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:20,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:20,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:20,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:29:20,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:20,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:20,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:20,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:20,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:20,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:20,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:20,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 17:29:20,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:20,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 17:29:20,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:20,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:20,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:20,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 17:29:20,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:20,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:20,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [113265646] [2020-10-27 17:29:20,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:20,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:20,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464041847] [2020-10-27 17:29:20,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:20,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:20,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:20,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:20,688 INFO L87 Difference]: Start difference. First operand 815 states and 1091 transitions. Second operand 5 states. [2020-10-27 17:29:24,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:24,060 INFO L93 Difference]: Finished difference Result 2030 states and 2793 transitions. [2020-10-27 17:29:24,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:24,061 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 87 [2020-10-27 17:29:24,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:24,069 INFO L225 Difference]: With dead ends: 2030 [2020-10-27 17:29:24,070 INFO L226 Difference]: Without dead ends: 1221 [2020-10-27 17:29:24,072 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 [2020-10-27 17:29:24,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2020-10-27 17:29:24,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1200. [2020-10-27 17:29:24,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1200 states. [2020-10-27 17:29:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1643 transitions. [2020-10-27 17:29:24,119 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1643 transitions. Word has length 87 [2020-10-27 17:29:24,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:24,120 INFO L481 AbstractCegarLoop]: Abstraction has 1200 states and 1643 transitions. [2020-10-27 17:29:24,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:24,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1643 transitions. [2020-10-27 17:29:24,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-27 17:29:24,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:24,124 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:24,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:29:24,124 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:24,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:24,125 INFO L82 PathProgramCache]: Analyzing trace with hash -994356953, now seen corresponding path program 1 times [2020-10-27 17:29:24,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:24,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [818874621] [2020-10-27 17:29:24,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:24,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:24,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:24,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-27 17:29:24,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:24,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 484 [2020-10-27 17:29:24,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:24,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:29:24,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:29:24,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 17:29:24,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:24,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:24,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:24,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:24,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:24,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:24,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 17:29:24,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:24,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:24,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:29:24,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:24,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:24,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:25,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:25,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:29:25,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:25,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-27 17:29:25,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:25,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:25,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:29:25,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:29:25,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:25,296 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:25,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [818874621] [2020-10-27 17:29:25,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:29:25,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 17:29:25,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810953732] [2020-10-27 17:29:25,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:29:25,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:25,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:29:25,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:29:25,299 INFO L87 Difference]: Start difference. First operand 1200 states and 1643 transitions. Second operand 7 states. [2020-10-27 17:29:28,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:28,915 INFO L93 Difference]: Finished difference Result 2822 states and 3875 transitions. [2020-10-27 17:29:28,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:29:28,916 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2020-10-27 17:29:28,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:28,930 INFO L225 Difference]: With dead ends: 2822 [2020-10-27 17:29:28,930 INFO L226 Difference]: Without dead ends: 1628 [2020-10-27 17:29:28,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:29:28,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2020-10-27 17:29:29,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1417. [2020-10-27 17:29:29,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1417 states. [2020-10-27 17:29:29,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 1907 transitions. [2020-10-27 17:29:29,020 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 1907 transitions. Word has length 107 [2020-10-27 17:29:29,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:29,022 INFO L481 AbstractCegarLoop]: Abstraction has 1417 states and 1907 transitions. [2020-10-27 17:29:29,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:29:29,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1907 transitions. [2020-10-27 17:29:29,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 17:29:29,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:29,033 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:29,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:29:29,033 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:29,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:29,034 INFO L82 PathProgramCache]: Analyzing trace with hash 147827512, now seen corresponding path program 1 times [2020-10-27 17:29:29,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:29,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1043964866] [2020-10-27 17:29:29,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:29,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:29,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:30,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:30,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:31,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:34,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:34,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-27 17:29:34,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:29:34,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 17:29:34,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:34,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:34,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-10-27 17:29:34,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 17:29:34,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:34,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:34,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:34,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:34,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:34,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:34,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:29:34,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:34,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:34,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:34,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:34,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:34,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:34,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:34,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:29:34,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:34,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 17:29:34,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:34,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:34,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:34,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:34,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 17:29:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:34,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:34,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:34,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 17:29:34,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:34,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 17:29:34,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:34,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:34,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:34,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 17:29:34,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:34,529 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 17:29:34,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1043964866] [2020-10-27 17:29:34,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:34,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:34,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423501457] [2020-10-27 17:29:34,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:34,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:34,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:34,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:34,534 INFO L87 Difference]: Start difference. First operand 1417 states and 1907 transitions. Second operand 5 states. [2020-10-27 17:29:37,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:37,946 INFO L93 Difference]: Finished difference Result 4009 states and 5529 transitions. [2020-10-27 17:29:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:37,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 176 [2020-10-27 17:29:37,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:37,966 INFO L225 Difference]: With dead ends: 4009 [2020-10-27 17:29:37,966 INFO L226 Difference]: Without dead ends: 2598 [2020-10-27 17:29:37,972 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 [2020-10-27 17:29:37,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2598 states. [2020-10-27 17:29:38,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2598 to 2190. [2020-10-27 17:29:38,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2190 states. [2020-10-27 17:29:38,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 2190 states and 2810 transitions. [2020-10-27 17:29:38,078 INFO L78 Accepts]: Start accepts. Automaton has 2190 states and 2810 transitions. Word has length 176 [2020-10-27 17:29:38,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:38,078 INFO L481 AbstractCegarLoop]: Abstraction has 2190 states and 2810 transitions. [2020-10-27 17:29:38,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:38,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2810 transitions. [2020-10-27 17:29:38,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-27 17:29:38,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:38,082 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:38,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:29:38,082 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:38,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:38,083 INFO L82 PathProgramCache]: Analyzing trace with hash 36510188, now seen corresponding path program 1 times [2020-10-27 17:29:38,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:38,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081186563] [2020-10-27 17:29:38,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:38,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:38,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:39,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:40,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:40,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 17:29:40,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:29:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1904 [2020-10-27 17:29:40,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:40,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:40,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 17:29:40,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:29:40,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:40,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:40,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:40,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:40,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:40,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:40,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:29:40,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:40,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:40,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:40,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:40,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:40,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:40,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:40,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:40,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:29:40,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:40,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 17:29:40,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:40,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:40,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:40,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 17:29:40,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:40,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 17:29:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:40,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:40,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:40,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:29:40,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:40,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-27 17:29:40,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:40,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:40,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:29:40,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:29:40,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:40,905 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:29:40,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081186563] [2020-10-27 17:29:40,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:40,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:29:40,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459646189] [2020-10-27 17:29:40,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:29:40,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:40,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:29:40,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:29:40,908 INFO L87 Difference]: Start difference. First operand 2190 states and 2810 transitions. Second operand 7 states. [2020-10-27 17:29:44,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:44,470 INFO L93 Difference]: Finished difference Result 5014 states and 6470 transitions. [2020-10-27 17:29:44,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:29:44,472 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 179 [2020-10-27 17:29:44,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:44,490 INFO L225 Difference]: With dead ends: 5014 [2020-10-27 17:29:44,490 INFO L226 Difference]: Without dead ends: 2830 [2020-10-27 17:29:44,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-27 17:29:44,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2020-10-27 17:29:44,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2794. [2020-10-27 17:29:44,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2794 states. [2020-10-27 17:29:44,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 3489 transitions. [2020-10-27 17:29:44,592 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 3489 transitions. Word has length 179 [2020-10-27 17:29:44,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:44,592 INFO L481 AbstractCegarLoop]: Abstraction has 2794 states and 3489 transitions. [2020-10-27 17:29:44,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:29:44,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 3489 transitions. [2020-10-27 17:29:44,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-27 17:29:44,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:44,596 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:44,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:29:44,597 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:44,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:44,597 INFO L82 PathProgramCache]: Analyzing trace with hash 876090961, now seen corresponding path program 1 times [2020-10-27 17:29:44,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:44,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292276002] [2020-10-27 17:29:44,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:44,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:44,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:45,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:45,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:46,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:46,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:49,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:49,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 17:29:49,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 17:29:49,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4440 [2020-10-27 17:29:49,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:49,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:49,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 199 [2020-10-27 17:29:49,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 17:29:49,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:49,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:49,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:49,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:49,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:49,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:49,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:29:49,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:49,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:49,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:49,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:49,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:49,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:29:49,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:49,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 17:29:49,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:49,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:49,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:49,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:49,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 17:29:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:49,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:49,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:49,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 17:29:49,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:49,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-27 17:29:49,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:49,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:49,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 17:29:49,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:49,595 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 17:29:49,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292276002] [2020-10-27 17:29:49,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:49,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:49,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88892302] [2020-10-27 17:29:49,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:49,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:49,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:49,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:49,599 INFO L87 Difference]: Start difference. First operand 2794 states and 3489 transitions. Second operand 5 states. [2020-10-27 17:29:52,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:52,532 INFO L93 Difference]: Finished difference Result 6757 states and 8670 transitions. [2020-10-27 17:29:52,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:52,533 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 202 [2020-10-27 17:29:52,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:52,557 INFO L225 Difference]: With dead ends: 6757 [2020-10-27 17:29:52,557 INFO L226 Difference]: Without dead ends: 3969 [2020-10-27 17:29:52,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:29:52,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3969 states. [2020-10-27 17:29:52,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3969 to 3565. [2020-10-27 17:29:52,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3565 states. [2020-10-27 17:29:52,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 4442 transitions. [2020-10-27 17:29:52,701 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 4442 transitions. Word has length 202 [2020-10-27 17:29:52,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:52,702 INFO L481 AbstractCegarLoop]: Abstraction has 3565 states and 4442 transitions. [2020-10-27 17:29:52,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:52,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 4442 transitions. [2020-10-27 17:29:52,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-27 17:29:52,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:52,707 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:52,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:29:52,708 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:52,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:52,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1089665426, now seen corresponding path program 1 times [2020-10-27 17:29:52,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:52,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070636293] [2020-10-27 17:29:52,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:52,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:53,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:53,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 17:29:53,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:53,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 487 [2020-10-27 17:29:53,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:53,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:53,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-27 17:29:53,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:29:53,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:53,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:53,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:53,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:53,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:53,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:53,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:29:53,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:53,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:53,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:53,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:53,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:53,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:29:53,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:53,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-27 17:29:53,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 17:29:53,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:53,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:29:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:53,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:53,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:53,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:29:53,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:53,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-27 17:29:53,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:29:53,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:29:53,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:54,220 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:29:54,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070636293] [2020-10-27 17:29:54,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:54,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:29:54,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409370527] [2020-10-27 17:29:54,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:29:54,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:54,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:29:54,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:29:54,223 INFO L87 Difference]: Start difference. First operand 3565 states and 4442 transitions. Second operand 7 states. [2020-10-27 17:29:57,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:57,707 INFO L93 Difference]: Finished difference Result 8357 states and 10564 transitions. [2020-10-27 17:29:57,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 17:29:57,708 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 223 [2020-10-27 17:29:57,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:57,736 INFO L225 Difference]: With dead ends: 8357 [2020-10-27 17:29:57,736 INFO L226 Difference]: Without dead ends: 4798 [2020-10-27 17:29:57,748 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 [2020-10-27 17:29:57,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4798 states. [2020-10-27 17:29:57,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4798 to 4754. [2020-10-27 17:29:57,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4754 states. [2020-10-27 17:29:57,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4754 states to 4754 states and 5883 transitions. [2020-10-27 17:29:57,902 INFO L78 Accepts]: Start accepts. Automaton has 4754 states and 5883 transitions. Word has length 223 [2020-10-27 17:29:57,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:57,903 INFO L481 AbstractCegarLoop]: Abstraction has 4754 states and 5883 transitions. [2020-10-27 17:29:57,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:29:57,903 INFO L276 IsEmpty]: Start isEmpty. Operand 4754 states and 5883 transitions. [2020-10-27 17:29:57,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-27 17:29:57,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:57,908 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:57,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:29:57,909 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:57,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:57,909 INFO L82 PathProgramCache]: Analyzing trace with hash 433902694, now seen corresponding path program 1 times [2020-10-27 17:29:57,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:57,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1525370996] [2020-10-27 17:29:57,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:58,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:58,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:58,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-27 17:29:58,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:58,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-10-27 17:29:58,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:58,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:58,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-27 17:29:58,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:29:58,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:58,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:58,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:58,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:58,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:58,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:58,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:29:58,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:58,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:58,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:58,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:58,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:58,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:58,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:58,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 17:29:58,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:58,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-27 17:29:58,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:58,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:58,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:58,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 17:29:58,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:29:58,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 17:29:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:58,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:59,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:59,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:29:59,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:59,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-27 17:29:59,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:29:59,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:29:59,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:59,164 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:29:59,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1525370996] [2020-10-27 17:29:59,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:59,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:29:59,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295492316] [2020-10-27 17:29:59,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:29:59,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:59,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:29:59,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:29:59,172 INFO L87 Difference]: Start difference. First operand 4754 states and 5883 transitions. Second operand 7 states. [2020-10-27 17:30:03,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:03,740 INFO L93 Difference]: Finished difference Result 11120 states and 14053 transitions. [2020-10-27 17:30:03,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:30:03,741 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-10-27 17:30:03,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:03,773 INFO L225 Difference]: With dead ends: 11120 [2020-10-27 17:30:03,774 INFO L226 Difference]: Without dead ends: 6372 [2020-10-27 17:30:03,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:30:03,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6372 states. [2020-10-27 17:30:03,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6372 to 5752. [2020-10-27 17:30:03,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5752 states. [2020-10-27 17:30:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5752 states to 5752 states and 7061 transitions. [2020-10-27 17:30:03,970 INFO L78 Accepts]: Start accepts. Automaton has 5752 states and 7061 transitions. Word has length 233 [2020-10-27 17:30:03,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:03,971 INFO L481 AbstractCegarLoop]: Abstraction has 5752 states and 7061 transitions. [2020-10-27 17:30:03,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:30:03,971 INFO L276 IsEmpty]: Start isEmpty. Operand 5752 states and 7061 transitions. [2020-10-27 17:30:03,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-27 17:30:03,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:03,980 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:03,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 17:30:03,981 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:03,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:03,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1114415167, now seen corresponding path program 1 times [2020-10-27 17:30:03,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:03,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1225602786] [2020-10-27 17:30:03,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:04,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:04,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:04,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:04,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:07,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:09,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:09,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-27 17:30:09,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:30:09,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 17:30:09,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:09,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:09,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-27 17:30:09,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 17:30:09,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:09,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:09,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:09,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:09,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:09,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:09,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:30:09,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:09,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:09,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:09,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:09,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:09,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:09,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:09,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:09,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:30:09,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:09,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 17:30:09,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:09,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:09,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:09,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:09,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:09,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 17:30:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:09,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:09,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:09,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 17:30:09,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:09,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 17:30:09,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 17:30:09,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:09,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 17:30:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:09,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:09,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:09,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:09,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:09,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:09,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-27 17:30:09,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:09,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:30:09,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-27 17:30:09,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1225602786] [2020-10-27 17:30:09,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:09,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:30:09,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304009611] [2020-10-27 17:30:09,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:30:09,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:09,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:30:09,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:09,931 INFO L87 Difference]: Start difference. First operand 5752 states and 7061 transitions. Second operand 6 states. [2020-10-27 17:30:10,134 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 17:30:10,957 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-27 17:30:12,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:12,759 INFO L93 Difference]: Finished difference Result 11553 states and 14267 transitions. [2020-10-27 17:30:12,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 17:30:12,760 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 259 [2020-10-27 17:30:12,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:12,786 INFO L225 Difference]: With dead ends: 11553 [2020-10-27 17:30:12,786 INFO L226 Difference]: Without dead ends: 5788 [2020-10-27 17:30:12,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-27 17:30:12,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5788 states. [2020-10-27 17:30:12,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5788 to 5750. [2020-10-27 17:30:12,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5750 states. [2020-10-27 17:30:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5750 states to 5750 states and 7033 transitions. [2020-10-27 17:30:12,969 INFO L78 Accepts]: Start accepts. Automaton has 5750 states and 7033 transitions. Word has length 259 [2020-10-27 17:30:12,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:12,969 INFO L481 AbstractCegarLoop]: Abstraction has 5750 states and 7033 transitions. [2020-10-27 17:30:12,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:30:12,970 INFO L276 IsEmpty]: Start isEmpty. Operand 5750 states and 7033 transitions. [2020-10-27 17:30:12,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-27 17:30:12,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:12,979 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:12,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 17:30:12,979 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:12,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:12,980 INFO L82 PathProgramCache]: Analyzing trace with hash 986443038, now seen corresponding path program 1 times [2020-10-27 17:30:12,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:12,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167387208] [2020-10-27 17:30:12,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:13,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:13,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:13,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 17:30:13,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:13,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 451 [2020-10-27 17:30:13,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:13,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:13,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-27 17:30:13,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 17:30:13,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:13,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:13,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:13,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:13,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:13,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:13,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:13,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:13,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:13,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:13,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:13,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:13,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:30:13,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:13,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 17:30:13,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:13,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:13,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:13,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:13,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:13,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:30:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:13,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:13,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:13,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:30:13,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:13,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-27 17:30:13,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-27 17:30:13,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:30:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-27 17:30:14,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167387208] [2020-10-27 17:30:14,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:14,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:14,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474456155] [2020-10-27 17:30:14,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:14,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:14,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:14,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:14,073 INFO L87 Difference]: Start difference. First operand 5750 states and 7033 transitions. Second operand 5 states. [2020-10-27 17:30:16,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:16,712 INFO L93 Difference]: Finished difference Result 12333 states and 15459 transitions. [2020-10-27 17:30:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:16,713 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-10-27 17:30:16,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:16,739 INFO L225 Difference]: With dead ends: 12333 [2020-10-27 17:30:16,740 INFO L226 Difference]: Without dead ends: 6589 [2020-10-27 17:30:16,754 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 [2020-10-27 17:30:16,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6589 states. [2020-10-27 17:30:16,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6589 to 6552. [2020-10-27 17:30:16,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6552 states. [2020-10-27 17:30:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6552 states to 6552 states and 8193 transitions. [2020-10-27 17:30:16,921 INFO L78 Accepts]: Start accepts. Automaton has 6552 states and 8193 transitions. Word has length 260 [2020-10-27 17:30:16,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:16,922 INFO L481 AbstractCegarLoop]: Abstraction has 6552 states and 8193 transitions. [2020-10-27 17:30:16,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:16,922 INFO L276 IsEmpty]: Start isEmpty. Operand 6552 states and 8193 transitions. [2020-10-27 17:30:16,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-27 17:30:16,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:16,931 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:16,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 17:30:16,932 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:16,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:16,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1957255368, now seen corresponding path program 1 times [2020-10-27 17:30:16,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:16,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362848340] [2020-10-27 17:30:16,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:17,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:17,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:18,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:18,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-27 17:30:18,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:18,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1304 [2020-10-27 17:30:18,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:18,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:18,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-10-27 17:30:18,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:30:18,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:18,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:18,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:18,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:18,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:18,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:18,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:18,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:18,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:18,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:18,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:18,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:18,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:18,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:18,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:18,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 17:30:18,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:18,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 17:30:18,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:18,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:18,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:18,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-27 17:30:18,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:18,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 17:30:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:18,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:18,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:18,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:18,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:18,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 17:30:18,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:18,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:18,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:18,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:30:18,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:30:18,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362848340] [2020-10-27 17:30:18,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:18,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:30:18,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756894141] [2020-10-27 17:30:18,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:30:18,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:18,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:30:18,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:30:18,961 INFO L87 Difference]: Start difference. First operand 6552 states and 8193 transitions. Second operand 7 states. [2020-10-27 17:30:22,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:22,762 INFO L93 Difference]: Finished difference Result 14310 states and 18188 transitions. [2020-10-27 17:30:22,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 17:30:22,764 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 262 [2020-10-27 17:30:22,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:22,789 INFO L225 Difference]: With dead ends: 14310 [2020-10-27 17:30:22,789 INFO L226 Difference]: Without dead ends: 7764 [2020-10-27 17:30:22,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-27 17:30:22,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7764 states. [2020-10-27 17:30:22,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7764 to 6961. [2020-10-27 17:30:22,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6961 states. [2020-10-27 17:30:22,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6961 states to 6961 states and 8775 transitions. [2020-10-27 17:30:22,981 INFO L78 Accepts]: Start accepts. Automaton has 6961 states and 8775 transitions. Word has length 262 [2020-10-27 17:30:22,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:22,981 INFO L481 AbstractCegarLoop]: Abstraction has 6961 states and 8775 transitions. [2020-10-27 17:30:22,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:30:22,982 INFO L276 IsEmpty]: Start isEmpty. Operand 6961 states and 8775 transitions. [2020-10-27 17:30:22,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-27 17:30:22,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:22,990 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:22,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 17:30:22,991 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:22,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:22,991 INFO L82 PathProgramCache]: Analyzing trace with hash -653472409, now seen corresponding path program 1 times [2020-10-27 17:30:22,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:22,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002273337] [2020-10-27 17:30:22,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:23,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:23,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:23,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:23,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-27 17:30:23,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:23,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 748 [2020-10-27 17:30:23,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 17:30:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:30:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 261 [2020-10-27 17:30:23,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:23,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:23,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:23,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:23,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:23,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:23,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 17:30:23,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:30:23,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:23,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:24,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:24,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:24,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:24,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 17:30:24,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:24,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 418 [2020-10-27 17:30:24,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:24,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:24,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:24,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 17:30:24,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:24,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 17:30:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:24,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:24,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:24,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:24,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-27 17:30:24,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:30:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:24,906 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-27 17:30:24,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002273337] [2020-10-27 17:30:24,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:24,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:30:24,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731456099] [2020-10-27 17:30:24,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:30:24,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:24,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:30:24,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:30:24,908 INFO L87 Difference]: Start difference. First operand 6961 states and 8775 transitions. Second operand 7 states. [2020-10-27 17:30:28,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:28,439 INFO L93 Difference]: Finished difference Result 15538 states and 19513 transitions. [2020-10-27 17:30:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 17:30:28,441 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 266 [2020-10-27 17:30:28,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:28,473 INFO L225 Difference]: With dead ends: 15538 [2020-10-27 17:30:28,473 INFO L226 Difference]: Without dead ends: 8583 [2020-10-27 17:30:28,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:30:28,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8583 states. [2020-10-27 17:30:28,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8583 to 8315. [2020-10-27 17:30:28,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8315 states. [2020-10-27 17:30:28,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8315 states to 8315 states and 10296 transitions. [2020-10-27 17:30:28,720 INFO L78 Accepts]: Start accepts. Automaton has 8315 states and 10296 transitions. Word has length 266 [2020-10-27 17:30:28,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:28,720 INFO L481 AbstractCegarLoop]: Abstraction has 8315 states and 10296 transitions. [2020-10-27 17:30:28,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:30:28,720 INFO L276 IsEmpty]: Start isEmpty. Operand 8315 states and 10296 transitions. [2020-10-27 17:30:28,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-10-27 17:30:28,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:28,732 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:28,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 17:30:28,732 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:28,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:28,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1787740817, now seen corresponding path program 1 times [2020-10-27 17:30:28,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:28,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123580482] [2020-10-27 17:30:28,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:28,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:29,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:29,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:29,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-27 17:30:29,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:29,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1042 [2020-10-27 17:30:29,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:29,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:29,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-27 17:30:29,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:30:29,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:30,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:30,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:30,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:30,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:30,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:30,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:30:30,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:30,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:30,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:30,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:30,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:30,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:30,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:30,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:30,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:30:30,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 17:30:30,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:30,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:30,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:30:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:30,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:30,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:30,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-27 17:30:30,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:30,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 17:30:30,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 17:30:30,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:30,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-27 17:30:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:30,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:30,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:30,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:30,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:30,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-27 17:30:30,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:30,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:30,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:30:30,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 192 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-27 17:30:30,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [123580482] [2020-10-27 17:30:30,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:30,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:30:30,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731167963] [2020-10-27 17:30:30,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:30:30,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:30,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:30:30,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:30:30,631 INFO L87 Difference]: Start difference. First operand 8315 states and 10296 transitions. Second operand 7 states. [2020-10-27 17:30:34,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:34,486 INFO L93 Difference]: Finished difference Result 18230 states and 22783 transitions. [2020-10-27 17:30:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:30:34,487 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 307 [2020-10-27 17:30:34,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:34,523 INFO L225 Difference]: With dead ends: 18230 [2020-10-27 17:30:34,523 INFO L226 Difference]: Without dead ends: 10109 [2020-10-27 17:30:34,540 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 [2020-10-27 17:30:34,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10109 states. [2020-10-27 17:30:34,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10109 to 9680. [2020-10-27 17:30:34,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9680 states. [2020-10-27 17:30:34,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9680 states to 9680 states and 11854 transitions. [2020-10-27 17:30:34,776 INFO L78 Accepts]: Start accepts. Automaton has 9680 states and 11854 transitions. Word has length 307 [2020-10-27 17:30:34,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:34,777 INFO L481 AbstractCegarLoop]: Abstraction has 9680 states and 11854 transitions. [2020-10-27 17:30:34,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:30:34,777 INFO L276 IsEmpty]: Start isEmpty. Operand 9680 states and 11854 transitions. [2020-10-27 17:30:34,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-10-27 17:30:34,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:34,793 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:34,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 17:30:34,793 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:34,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:34,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1361668417, now seen corresponding path program 1 times [2020-10-27 17:30:34,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:34,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405407255] [2020-10-27 17:30:34,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:34,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:35,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:35,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 328 [2020-10-27 17:30:35,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:35,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 555 [2020-10-27 17:30:35,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 217 [2020-10-27 17:30:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:30:35,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:35,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:35,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:35,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:35,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:35,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:35,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:30:35,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:35,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:35,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:35,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:35,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:35,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:30:35,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:35,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 17:30:35,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:35,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:35,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:35,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:35,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:35,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:30:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:35,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:35,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:35,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 17:30:35,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:35,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 17:30:35,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:35,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:35,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:35,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 17:30:35,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:35,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 17:30:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:35,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:35,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:35,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:35,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:35,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 17:30:35,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:35,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:35,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:35,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:30:35,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:36,271 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-27 17:30:36,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405407255] [2020-10-27 17:30:36,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:36,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:30:36,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258212398] [2020-10-27 17:30:36,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:30:36,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:36,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:30:36,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:30:36,274 INFO L87 Difference]: Start difference. First operand 9680 states and 11854 transitions. Second operand 7 states. [2020-10-27 17:30:39,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:39,908 INFO L93 Difference]: Finished difference Result 20560 states and 25073 transitions. [2020-10-27 17:30:39,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 17:30:39,909 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 312 [2020-10-27 17:30:39,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:39,943 INFO L225 Difference]: With dead ends: 20560 [2020-10-27 17:30:39,944 INFO L226 Difference]: Without dead ends: 11074 [2020-10-27 17:30:39,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:30:39,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11074 states. [2020-10-27 17:30:40,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11074 to 9302. [2020-10-27 17:30:40,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9302 states. [2020-10-27 17:30:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9302 states to 9302 states and 11278 transitions. [2020-10-27 17:30:40,191 INFO L78 Accepts]: Start accepts. Automaton has 9302 states and 11278 transitions. Word has length 312 [2020-10-27 17:30:40,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:40,192 INFO L481 AbstractCegarLoop]: Abstraction has 9302 states and 11278 transitions. [2020-10-27 17:30:40,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:30:40,192 INFO L276 IsEmpty]: Start isEmpty. Operand 9302 states and 11278 transitions. [2020-10-27 17:30:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-27 17:30:40,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:40,207 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:40,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 17:30:40,207 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:40,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:40,208 INFO L82 PathProgramCache]: Analyzing trace with hash -164961137, now seen corresponding path program 1 times [2020-10-27 17:30:40,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:40,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881831455] [2020-10-27 17:30:40,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:40,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:40,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:40,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-27 17:30:40,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:40,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-27 17:30:40,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 317 [2020-10-27 17:30:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 17:30:40,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:40,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:40,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:40,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:40,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:40,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:30:40,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:40,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:40,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:41,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:41,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:41,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:30:41,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:41,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 17:30:41,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:41,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:41,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:30:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:41,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:41,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:41,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 17:30:41,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:41,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-27 17:30:41,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:41,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:41,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:41,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 17:30:41,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:41,291 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-27 17:30:41,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881831455] [2020-10-27 17:30:41,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:41,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:41,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755063670] [2020-10-27 17:30:41,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:41,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:41,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:41,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:41,293 INFO L87 Difference]: Start difference. First operand 9302 states and 11278 transitions. Second operand 5 states. [2020-10-27 17:30:44,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:44,556 INFO L93 Difference]: Finished difference Result 21275 states and 26558 transitions. [2020-10-27 17:30:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:44,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 319 [2020-10-27 17:30:44,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:44,593 INFO L225 Difference]: With dead ends: 21275 [2020-10-27 17:30:44,593 INFO L226 Difference]: Without dead ends: 12167 [2020-10-27 17:30:44,608 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 [2020-10-27 17:30:44,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12167 states. [2020-10-27 17:30:44,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12167 to 11371. [2020-10-27 17:30:44,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11371 states. [2020-10-27 17:30:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11371 states to 11371 states and 14137 transitions. [2020-10-27 17:30:44,880 INFO L78 Accepts]: Start accepts. Automaton has 11371 states and 14137 transitions. Word has length 319 [2020-10-27 17:30:44,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:44,881 INFO L481 AbstractCegarLoop]: Abstraction has 11371 states and 14137 transitions. [2020-10-27 17:30:44,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:44,881 INFO L276 IsEmpty]: Start isEmpty. Operand 11371 states and 14137 transitions. [2020-10-27 17:30:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-10-27 17:30:44,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:44,892 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:44,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 17:30:44,892 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:44,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:44,893 INFO L82 PathProgramCache]: Analyzing trace with hash 28140034, now seen corresponding path program 1 times [2020-10-27 17:30:44,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:44,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1018657148] [2020-10-27 17:30:44,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:45,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:45,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:45,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:45,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 345 [2020-10-27 17:30:45,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:45,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 951 [2020-10-27 17:30:45,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:45,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:45,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-10-27 17:30:45,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:30:45,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:46,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:46,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:46,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:46,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:46,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:46,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:30:46,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:46,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:46,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:46,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:46,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:46,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:30:46,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:46,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 17:30:46,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:46,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:46,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:46,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:46,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:46,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:30:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:46,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:46,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:46,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 17:30:46,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-27 17:30:46,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 17:30:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:46,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-27 17:30:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:46,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:46,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:46,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:46,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:46,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 17:30:46,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:46,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:46,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:46,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:30:46,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:46,604 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-27 17:30:46,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1018657148] [2020-10-27 17:30:46,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:46,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:30:46,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987561620] [2020-10-27 17:30:46,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:30:46,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:46,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:30:46,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:30:46,607 INFO L87 Difference]: Start difference. First operand 11371 states and 14137 transitions. Second operand 7 states. [2020-10-27 17:30:50,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:50,581 INFO L93 Difference]: Finished difference Result 23987 states and 29628 transitions. [2020-10-27 17:30:50,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:30:50,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 329 [2020-10-27 17:30:50,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:50,618 INFO L225 Difference]: With dead ends: 23987 [2020-10-27 17:30:50,618 INFO L226 Difference]: Without dead ends: 12810 [2020-10-27 17:30:50,703 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 [2020-10-27 17:30:50,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12810 states. [2020-10-27 17:30:50,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12810 to 11993. [2020-10-27 17:30:50,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11993 states. [2020-10-27 17:30:50,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11993 states to 11993 states and 14504 transitions. [2020-10-27 17:30:50,994 INFO L78 Accepts]: Start accepts. Automaton has 11993 states and 14504 transitions. Word has length 329 [2020-10-27 17:30:50,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:50,995 INFO L481 AbstractCegarLoop]: Abstraction has 11993 states and 14504 transitions. [2020-10-27 17:30:50,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:30:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 11993 states and 14504 transitions. [2020-10-27 17:30:51,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-10-27 17:30:51,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:51,007 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:51,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 17:30:51,008 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:51,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:51,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1782339171, now seen corresponding path program 1 times [2020-10-27 17:30:51,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:51,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980152422] [2020-10-27 17:30:51,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:51,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:51,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:51,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:51,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-10-27 17:30:51,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:51,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-10-27 17:30:51,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-27 17:30:51,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:30:51,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:51,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:51,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:51,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:51,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:51,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:51,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:51,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:51,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:51,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:51,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:51,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:51,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:51,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:51,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:51,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 17:30:51,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:51,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 17:30:51,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:51,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:51,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:51,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:51,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:51,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 17:30:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:51,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:52,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:52,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-27 17:30:52,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:52,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 17:30:52,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 17:30:52,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:52,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-27 17:30:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:52,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:52,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:52,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:52,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:52,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 17:30:52,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:30:52,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-27 17:30:52,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980152422] [2020-10-27 17:30:52,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:52,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:30:52,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777322369] [2020-10-27 17:30:52,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:30:52,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:52,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:30:52,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:30:52,440 INFO L87 Difference]: Start difference. First operand 11993 states and 14504 transitions. Second operand 7 states. [2020-10-27 17:30:56,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:56,864 INFO L93 Difference]: Finished difference Result 25808 states and 31877 transitions. [2020-10-27 17:30:56,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 17:30:56,865 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 334 [2020-10-27 17:30:56,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:56,901 INFO L225 Difference]: With dead ends: 25808 [2020-10-27 17:30:56,901 INFO L226 Difference]: Without dead ends: 11300 [2020-10-27 17:30:56,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:30:56,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11300 states. [2020-10-27 17:30:57,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11300 to 10600. [2020-10-27 17:30:57,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10600 states. [2020-10-27 17:30:57,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10600 states to 10600 states and 12528 transitions. [2020-10-27 17:30:57,385 INFO L78 Accepts]: Start accepts. Automaton has 10600 states and 12528 transitions. Word has length 334 [2020-10-27 17:30:57,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:57,385 INFO L481 AbstractCegarLoop]: Abstraction has 10600 states and 12528 transitions. [2020-10-27 17:30:57,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:30:57,386 INFO L276 IsEmpty]: Start isEmpty. Operand 10600 states and 12528 transitions. [2020-10-27 17:30:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2020-10-27 17:30:57,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:57,400 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:57,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 17:30:57,400 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:57,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:57,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1840481130, now seen corresponding path program 1 times [2020-10-27 17:30:57,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:57,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607053520] [2020-10-27 17:30:57,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:57,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:58,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:58,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 392 [2020-10-27 17:30:58,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:58,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 606 [2020-10-27 17:30:58,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:58,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:58,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 281 [2020-10-27 17:30:58,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:30:58,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:58,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:58,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:58,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:58,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:58,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:58,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:30:58,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:58,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:58,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:58,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:58,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:58,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:58,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:58,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:30:58,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:58,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 17:30:58,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:58,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:58,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:58,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:58,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:58,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:30:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:58,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:58,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:58,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 17:30:58,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:58,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-27 17:30:58,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:58,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:58,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:58,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 17:30:58,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:58,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-27 17:30:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:58,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:58,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:58,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:58,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:58,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-27 17:30:58,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:58,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:58,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:58,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:30:58,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:59,199 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-27 17:30:59,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607053520] [2020-10-27 17:30:59,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:59,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:30:59,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151376746] [2020-10-27 17:30:59,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:30:59,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:59,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:30:59,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:30:59,208 INFO L87 Difference]: Start difference. First operand 10600 states and 12528 transitions. Second operand 7 states. [2020-10-27 17:31:02,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:02,912 INFO L93 Difference]: Finished difference Result 21331 states and 25497 transitions. [2020-10-27 17:31:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:31:02,913 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 376 [2020-10-27 17:31:02,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:02,938 INFO L225 Difference]: With dead ends: 21331 [2020-10-27 17:31:02,938 INFO L226 Difference]: Without dead ends: 10734 [2020-10-27 17:31:02,954 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:31:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10734 states. [2020-10-27 17:31:03,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10734 to 10600. [2020-10-27 17:31:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10600 states. [2020-10-27 17:31:03,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10600 states to 10600 states and 12422 transitions. [2020-10-27 17:31:03,187 INFO L78 Accepts]: Start accepts. Automaton has 10600 states and 12422 transitions. Word has length 376 [2020-10-27 17:31:03,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:03,188 INFO L481 AbstractCegarLoop]: Abstraction has 10600 states and 12422 transitions. [2020-10-27 17:31:03,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:31:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 10600 states and 12422 transitions. [2020-10-27 17:31:03,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2020-10-27 17:31:03,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:03,202 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:31:03,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 17:31:03,203 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:03,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:03,203 INFO L82 PathProgramCache]: Analyzing trace with hash 318956271, now seen corresponding path program 1 times [2020-10-27 17:31:03,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:03,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [25527496] [2020-10-27 17:31:03,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:03,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:03,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:03,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 436 [2020-10-27 17:31:03,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:03,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 600 [2020-10-27 17:31:03,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:03,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:03,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 421 [2020-10-27 17:31:03,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 17:31:03,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:04,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:04,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:04,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:04,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:04,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:04,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:31:04,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:04,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:04,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:04,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:04,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:04,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:04,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:04,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:04,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:31:04,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:04,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 17:31:04,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:04,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:04,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:04,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:04,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:04,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:31:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:04,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:04,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:04,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:31:04,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:04,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 17:31:04,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:04,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:04,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-27 17:31:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:04,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:04,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:04,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 17:31:04,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:04,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 17:31:04,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:04,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:04,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:04,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-27 17:31:04,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:04,502 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2020-10-27 17:31:04,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [25527496] [2020-10-27 17:31:04,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:04,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:31:04,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098528451] [2020-10-27 17:31:04,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:31:04,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:04,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:31:04,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:31:04,504 INFO L87 Difference]: Start difference. First operand 10600 states and 12422 transitions. Second operand 5 states. [2020-10-27 17:31:07,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:07,391 INFO L93 Difference]: Finished difference Result 23900 states and 28421 transitions. [2020-10-27 17:31:07,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:31:07,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 420 [2020-10-27 17:31:07,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:07,418 INFO L225 Difference]: With dead ends: 23900 [2020-10-27 17:31:07,418 INFO L226 Difference]: Without dead ends: 13302 [2020-10-27 17:31:07,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:31:07,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13302 states. [2020-10-27 17:31:07,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13302 to 12510. [2020-10-27 17:31:07,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12510 states. [2020-10-27 17:31:07,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12510 states to 12510 states and 14728 transitions. [2020-10-27 17:31:07,687 INFO L78 Accepts]: Start accepts. Automaton has 12510 states and 14728 transitions. Word has length 420 [2020-10-27 17:31:07,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:07,687 INFO L481 AbstractCegarLoop]: Abstraction has 12510 states and 14728 transitions. [2020-10-27 17:31:07,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:31:07,687 INFO L276 IsEmpty]: Start isEmpty. Operand 12510 states and 14728 transitions. [2020-10-27 17:31:07,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2020-10-27 17:31:07,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:07,702 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:31:07,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 17:31:07,702 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:07,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:07,703 INFO L82 PathProgramCache]: Analyzing trace with hash 494686127, now seen corresponding path program 1 times [2020-10-27 17:31:07,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:07,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [899139781] [2020-10-27 17:31:07,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:07,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:08,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:08,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 439 [2020-10-27 17:31:08,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:08,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 591 [2020-10-27 17:31:08,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-10-27 17:31:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 17:31:08,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:08,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:08,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:08,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:08,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:08,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:08,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:31:08,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:08,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:08,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:08,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:08,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:08,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:08,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:08,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:08,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 17:31:08,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:08,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 17:31:08,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:08,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:08,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:08,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 17:31:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:08,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:08,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:08,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:31:08,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:08,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 17:31:08,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:08,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:08,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:08,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 17:31:08,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:08,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-27 17:31:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:08,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:08,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:08,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 17:31:08,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 17:31:08,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:31:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 17:31:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:08,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-10-27 17:31:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:08,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:08,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:08,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:31:08,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:08,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 17:31:08,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-27 17:31:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:08,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:09,330 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 215 proven. 93 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2020-10-27 17:31:09,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [899139781] [2020-10-27 17:31:09,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:09,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:31:09,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519486204] [2020-10-27 17:31:09,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:31:09,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:09,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:31:09,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:31:09,337 INFO L87 Difference]: Start difference. First operand 12510 states and 14728 transitions. Second operand 7 states. [2020-10-27 17:31:13,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:13,256 INFO L93 Difference]: Finished difference Result 26022 states and 30756 transitions. [2020-10-27 17:31:13,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:31:13,257 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 421 [2020-10-27 17:31:13,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:13,285 INFO L225 Difference]: With dead ends: 26022 [2020-10-27 17:31:13,285 INFO L226 Difference]: Without dead ends: 13516 [2020-10-27 17:31:13,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:31:13,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13516 states. [2020-10-27 17:31:13,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13516 to 13280. [2020-10-27 17:31:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13280 states. [2020-10-27 17:31:13,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13280 states to 13280 states and 15628 transitions. [2020-10-27 17:31:13,537 INFO L78 Accepts]: Start accepts. Automaton has 13280 states and 15628 transitions. Word has length 421 [2020-10-27 17:31:13,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:13,538 INFO L481 AbstractCegarLoop]: Abstraction has 13280 states and 15628 transitions. [2020-10-27 17:31:13,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:31:13,538 INFO L276 IsEmpty]: Start isEmpty. Operand 13280 states and 15628 transitions. [2020-10-27 17:31:13,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2020-10-27 17:31:13,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:13,554 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:31:13,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-27 17:31:13,554 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:13,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:13,555 INFO L82 PathProgramCache]: Analyzing trace with hash 2015376680, now seen corresponding path program 1 times [2020-10-27 17:31:13,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:13,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238953533] [2020-10-27 17:31:13,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 17:31:13,662 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 17:31:13,662 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 17:31:13,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-27 17:31:13,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:31:13 BoogieIcfgContainer [2020-10-27 17:31:13,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:31:13,772 INFO L168 Benchmark]: Toolchain (without parser) took 127931.35 ms. Allocated memory was 158.3 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 130.6 MB in the beginning and 561.5 MB in the end (delta: -431.0 MB). Peak memory consumption was 788.0 MB. Max. memory is 8.0 GB. [2020-10-27 17:31:13,774 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 158.3 MB. Free memory is still 130.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:31:13,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1045.31 ms. Allocated memory is still 158.3 MB. Free memory was 130.1 MB in the beginning and 118.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:31:13,775 INFO L168 Benchmark]: Boogie Preprocessor took 181.90 ms. Allocated memory is still 158.3 MB. Free memory was 118.1 MB in the beginning and 110.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-27 17:31:13,775 INFO L168 Benchmark]: RCFGBuilder took 2077.86 ms. Allocated memory was 158.3 MB in the beginning and 215.0 MB in the end (delta: 56.6 MB). Free memory was 110.7 MB in the beginning and 152.8 MB in the end (delta: -42.1 MB). Peak memory consumption was 81.6 MB. Max. memory is 8.0 GB. [2020-10-27 17:31:13,776 INFO L168 Benchmark]: TraceAbstraction took 124602.14 ms. Allocated memory was 215.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 152.4 MB in the beginning and 561.5 MB in the end (delta: -409.1 MB). Peak memory consumption was 752.7 MB. Max. memory is 8.0 GB. [2020-10-27 17:31:13,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 158.3 MB. Free memory is still 130.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1045.31 ms. Allocated memory is still 158.3 MB. Free memory was 130.1 MB in the beginning and 118.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 181.90 ms. Allocated memory is still 158.3 MB. Free memory was 118.1 MB in the beginning and 110.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2077.86 ms. Allocated memory was 158.3 MB in the beginning and 215.0 MB in the end (delta: 56.6 MB). Free memory was 110.7 MB in the beginning and 152.8 MB in the end (delta: -42.1 MB). Peak memory consumption was 81.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 124602.14 ms. Allocated memory was 215.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 152.4 MB in the beginning and 561.5 MB in the end (delta: -409.1 MB). Peak memory consumption was 752.7 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 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 TRUE ((((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)) [L361] a29 = (((a29 / 5) + -137957) * 2) [L362] a23 = ((((a23 - 0) / 5) / 5) + -127612) [L363] a4 = 1 [L364] a25 = 10 [L366] 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 TRUE ((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15)) [L26] CALL reach_error() [L4] __assert_fail("0", "Problem11_label00.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: 124.4s, OverallIterations: 22, TraceHistogramMax: 5, AutomataDifference: 74.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1011 SDtfs, 12727 SDslu, 1668 SDs, 0 SdLazy, 27873 SolverSat, 3659 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 358 GetRequests, 195 SyntacticMatches, 5 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13280occurred in iteration=21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 21 MinimizatonAttempts, 8588 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 41.2s InterpolantComputationTime, 5607 NumberOfCodeBlocks, 5607 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 5149 ConstructedInterpolants, 0 QuantifiedInterpolants, 5007369 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 2 PerfectInterpolantSequences, 3490/3618 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...