/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 12:08:31,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 12:08:31,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 12:08:31,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 12:08:31,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 12:08:31,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 12:08:31,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 12:08:31,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 12:08:31,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 12:08:31,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 12:08:31,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 12:08:31,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 12:08:31,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 12:08:31,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 12:08:31,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 12:08:31,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 12:08:31,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 12:08:31,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 12:08:31,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 12:08:31,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 12:08:31,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 12:08:31,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 12:08:31,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 12:08:31,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 12:08:31,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 12:08:31,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 12:08:31,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 12:08:31,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 12:08:31,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 12:08:31,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 12:08:31,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 12:08:31,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 12:08:31,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 12:08:31,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 12:08:31,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 12:08:31,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 12:08:31,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 12:08:31,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 12:08:31,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 12:08:31,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 12:08:31,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 12:08:31,345 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 [2020-10-28 12:08:31,401 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 12:08:31,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 12:08:31,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 12:08:31,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 12:08:31,404 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 12:08:31,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 12:08:31,404 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 12:08:31,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 12:08:31,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 12:08:31,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 12:08:31,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 12:08:31,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 12:08:31,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 12:08:31,406 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 12:08:31,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 12:08:31,406 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 12:08:31,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 12:08:31,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 12:08:31,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 12:08:31,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 12:08:31,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 12:08:31,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 12:08:31,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 12:08:31,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 12:08:31,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 12:08:31,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 12:08:31,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 12:08:31,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 12:08:31,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 12:08:31,409 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 12:08:31,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 12:08:31,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 12:08:31,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 12:08:31,837 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 12:08:31,838 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 12:08:31,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label39.c [2020-10-28 12:08:31,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e44c3bbb/cc86b7d05ec545b0878e0777beda1f2d/FLAG5b55f5e00 [2020-10-28 12:08:32,823 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 12:08:32,824 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label39.c [2020-10-28 12:08:32,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e44c3bbb/cc86b7d05ec545b0878e0777beda1f2d/FLAG5b55f5e00 [2020-10-28 12:08:32,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e44c3bbb/cc86b7d05ec545b0878e0777beda1f2d [2020-10-28 12:08:32,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 12:08:32,906 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 12:08:32,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 12:08:32,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 12:08:32,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 12:08:32,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:08:32" (1/1) ... [2020-10-28 12:08:32,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14315246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:32, skipping insertion in model container [2020-10-28 12:08:32,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:08:32" (1/1) ... [2020-10-28 12:08:32,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 12:08:33,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 12:08:33,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:08:33,783 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 12:08:33,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:08:34,014 INFO L208 MainTranslator]: Completed translation [2020-10-28 12:08:34,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:34 WrapperNode [2020-10-28 12:08:34,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 12:08:34,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 12:08:34,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 12:08:34,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 12:08:34,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:34" (1/1) ... [2020-10-28 12:08:34,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:34" (1/1) ... [2020-10-28 12:08:34,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:34" (1/1) ... [2020-10-28 12:08:34,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:34" (1/1) ... [2020-10-28 12:08:34,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:34" (1/1) ... [2020-10-28 12:08:34,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:34" (1/1) ... [2020-10-28 12:08:34,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:34" (1/1) ... [2020-10-28 12:08:34,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 12:08:34,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 12:08:34,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 12:08:34,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 12:08:34,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:34" (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 [2020-10-28 12:08:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 12:08:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 12:08:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 12:08:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 12:08:34,297 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 12:08:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 12:08:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 12:08:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 12:08:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 12:08:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 12:08:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 12:08:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 12:08:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 12:08:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 12:08:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 12:08:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 12:08:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 12:08:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 12:08:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 12:08:36,665 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 12:08:36,665 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 12:08:36,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:08:36 BoogieIcfgContainer [2020-10-28 12:08:36,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 12:08:36,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 12:08:36,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 12:08:36,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 12:08:36,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 12:08:32" (1/3) ... [2020-10-28 12:08:36,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9830a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:08:36, skipping insertion in model container [2020-10-28 12:08:36,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:08:34" (2/3) ... [2020-10-28 12:08:36,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9830a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:08:36, skipping insertion in model container [2020-10-28 12:08:36,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:08:36" (3/3) ... [2020-10-28 12:08:36,680 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label39.c [2020-10-28 12:08:36,693 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 12:08:36,699 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 12:08:36,716 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 12:08:36,750 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 12:08:36,750 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 12:08:36,750 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 12:08:36,750 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 12:08:36,751 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 12:08:36,751 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 12:08:36,751 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 12:08:36,751 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 12:08:36,779 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-28 12:08:36,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-28 12:08:36,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:36,787 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:36,788 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:36,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:36,795 INFO L82 PathProgramCache]: Analyzing trace with hash -238088250, now seen corresponding path program 1 times [2020-10-28 12:08:36,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:36,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440528642] [2020-10-28 12:08:36,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:37,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:37,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:37,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 12:08:37,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:37,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-10-28 12:08:37,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:37,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:37,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:08:37,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:08:37,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 12:08:37,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 12:08:37,759 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 12:08:37,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:37,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:37,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:37,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:37,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:37,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 12:08:37,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:37,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:37,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:08:37,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:37,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:08:37,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440528642] [2020-10-28 12:08:37,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:08:37,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 12:08:37,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297488666] [2020-10-28 12:08:37,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 12:08:37,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:37,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 12:08:37,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 12:08:37,907 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-28 12:08:38,076 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-28 12:08:41,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:41,256 INFO L93 Difference]: Finished difference Result 798 states and 1400 transitions. [2020-10-28 12:08:41,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:08:41,258 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-28 12:08:41,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:41,276 INFO L225 Difference]: With dead ends: 798 [2020-10-28 12:08:41,276 INFO L226 Difference]: Without dead ends: 438 [2020-10-28 12:08:41,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:08:41,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-10-28 12:08:41,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 423. [2020-10-28 12:08:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-10-28 12:08:41,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 674 transitions. [2020-10-28 12:08:41,372 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 674 transitions. Word has length 17 [2020-10-28 12:08:41,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:41,373 INFO L481 AbstractCegarLoop]: Abstraction has 423 states and 674 transitions. [2020-10-28 12:08:41,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 12:08:41,373 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 674 transitions. [2020-10-28 12:08:41,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-28 12:08:41,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:41,378 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 12:08:41,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 12:08:41,378 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:41,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:41,379 INFO L82 PathProgramCache]: Analyzing trace with hash 82045761, now seen corresponding path program 1 times [2020-10-28 12:08:41,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:41,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063976701] [2020-10-28 12:08:41,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:41,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:41,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:42,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:42,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 12:08:42,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:08:42,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-10-28 12:08:42,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:42,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:42,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:08:42,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:08:42,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 12:08:42,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:42,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:42,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:42,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:42,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:42,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:42,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 12:08:42,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:42,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:42,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:42,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:42,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:08:42,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 12:08:42,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:42,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:42,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:42,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 12:08:42,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:42,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-28 12:08:42,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:42,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:08:42,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-28 12:08:42,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:08:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:08:42,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2063976701] [2020-10-28 12:08:42,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:08:42,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:08:42,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173163055] [2020-10-28 12:08:42,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:08:42,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:42,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:08:42,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:08:42,944 INFO L87 Difference]: Start difference. First operand 423 states and 674 transitions. Second operand 7 states. [2020-10-28 12:08:46,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:46,044 INFO L93 Difference]: Finished difference Result 1070 states and 1732 transitions. [2020-10-28 12:08:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:08:46,050 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2020-10-28 12:08:46,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:46,057 INFO L225 Difference]: With dead ends: 1070 [2020-10-28 12:08:46,057 INFO L226 Difference]: Without dead ends: 653 [2020-10-28 12:08:46,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:08:46,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2020-10-28 12:08:46,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 622. [2020-10-28 12:08:46,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-28 12:08:46,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 909 transitions. [2020-10-28 12:08:46,111 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 909 transitions. Word has length 86 [2020-10-28 12:08:46,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:46,112 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 909 transitions. [2020-10-28 12:08:46,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:08:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 909 transitions. [2020-10-28 12:08:46,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 12:08:46,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:46,116 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 12:08:46,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 12:08:46,116 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:46,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:46,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1277796663, now seen corresponding path program 1 times [2020-10-28 12:08:46,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:46,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1802830166] [2020-10-28 12:08:46,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:46,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:46,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:47,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:47,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 12:08:47,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:08:47,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1383 [2020-10-28 12:08:47,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:47,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:47,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:08:47,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:08:47,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 12:08:47,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:47,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:47,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:47,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:47,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:47,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:47,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 12:08:47,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:47,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:08:47,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:47,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:47,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:47,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:47,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:08:47,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:47,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-28 12:08:47,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:47,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:47,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:47,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:08:47,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:08:47,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:08:48,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1802830166] [2020-10-28 12:08:48,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:08:48,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:08:48,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960075548] [2020-10-28 12:08:48,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:08:48,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:48,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:08:48,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:08:48,136 INFO L87 Difference]: Start difference. First operand 622 states and 909 transitions. Second operand 7 states. [2020-10-28 12:08:51,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:51,480 INFO L93 Difference]: Finished difference Result 1668 states and 2484 transitions. [2020-10-28 12:08:51,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 12:08:51,481 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-28 12:08:51,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:51,491 INFO L225 Difference]: With dead ends: 1668 [2020-10-28 12:08:51,491 INFO L226 Difference]: Without dead ends: 1052 [2020-10-28 12:08:51,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 12:08:51,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-10-28 12:08:51,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1019. [2020-10-28 12:08:51,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2020-10-28 12:08:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1344 transitions. [2020-10-28 12:08:51,564 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1344 transitions. Word has length 90 [2020-10-28 12:08:51,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:51,566 INFO L481 AbstractCegarLoop]: Abstraction has 1019 states and 1344 transitions. [2020-10-28 12:08:51,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:08:51,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1344 transitions. [2020-10-28 12:08:51,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-28 12:08:51,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:51,586 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:51,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 12:08:51,587 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:51,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:51,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1300150704, now seen corresponding path program 1 times [2020-10-28 12:08:51,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:51,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242026755] [2020-10-28 12:08:51,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:51,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:51,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:52,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:53,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:53,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:53,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:53,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 12:08:53,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 12:08:53,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1998 [2020-10-28 12:08:53,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:53,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:53,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:53,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-28 12:08:53,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:08:53,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:53,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:53,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:53,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:53,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:53,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:53,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 12:08:53,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:53,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:53,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:53,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:53,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:53,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:54,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:54,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:08:54,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:54,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-28 12:08:54,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:54,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:54,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-28 12:08:54,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:08:54,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 12:08:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:08:54,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242026755] [2020-10-28 12:08:54,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:08:54,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 12:08:54,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917394031] [2020-10-28 12:08:54,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:08:54,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:54,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:08:54,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:08:54,188 INFO L87 Difference]: Start difference. First operand 1019 states and 1344 transitions. Second operand 5 states. [2020-10-28 12:08:56,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:08:56,940 INFO L93 Difference]: Finished difference Result 2430 states and 3412 transitions. [2020-10-28 12:08:56,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:08:56,941 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-10-28 12:08:56,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:08:56,951 INFO L225 Difference]: With dead ends: 2430 [2020-10-28 12:08:56,951 INFO L226 Difference]: Without dead ends: 1605 [2020-10-28 12:08:56,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:08:56,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2020-10-28 12:08:57,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1603. [2020-10-28 12:08:57,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2020-10-28 12:08:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2074 transitions. [2020-10-28 12:08:57,013 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2074 transitions. Word has length 148 [2020-10-28 12:08:57,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:08:57,014 INFO L481 AbstractCegarLoop]: Abstraction has 1603 states and 2074 transitions. [2020-10-28 12:08:57,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:08:57,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2074 transitions. [2020-10-28 12:08:57,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-28 12:08:57,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:08:57,017 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:08:57,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 12:08:57,018 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:08:57,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:08:57,018 INFO L82 PathProgramCache]: Analyzing trace with hash 252914087, now seen corresponding path program 1 times [2020-10-28 12:08:57,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:08:57,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [807224693] [2020-10-28 12:08:57,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:08:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:57,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:57,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:58,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:58,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 12:08:58,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:08:58,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1060 [2020-10-28 12:08:58,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:58,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:08:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-28 12:08:58,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 12:08:58,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:58,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:08:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:58,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:58,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:58,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:08:58,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:58,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 12:08:58,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:58,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:08:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:08:58,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:58,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:08:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:08:58,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:08:58,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:08:58,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 12:08:58,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:08:58,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-28 12:08:58,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:08:58,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:08:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:08:58,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:08:58,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-28 12:08:58,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:08:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:08:58,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [807224693] [2020-10-28 12:08:58,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:08:58,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:08:58,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035232205] [2020-10-28 12:08:58,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:08:58,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:08:58,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:08:58,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:08:58,613 INFO L87 Difference]: Start difference. First operand 1603 states and 2074 transitions. Second operand 5 states. [2020-10-28 12:09:01,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:09:01,137 INFO L93 Difference]: Finished difference Result 3594 states and 4707 transitions. [2020-10-28 12:09:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:09:01,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2020-10-28 12:09:01,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:09:01,155 INFO L225 Difference]: With dead ends: 3594 [2020-10-28 12:09:01,155 INFO L226 Difference]: Without dead ends: 2185 [2020-10-28 12:09:01,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:09:01,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2185 states. [2020-10-28 12:09:01,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2185 to 1611. [2020-10-28 12:09:01,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1611 states. [2020-10-28 12:09:01,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1611 states and 2089 transitions. [2020-10-28 12:09:01,230 INFO L78 Accepts]: Start accepts. Automaton has 1611 states and 2089 transitions. Word has length 164 [2020-10-28 12:09:01,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:09:01,231 INFO L481 AbstractCegarLoop]: Abstraction has 1611 states and 2089 transitions. [2020-10-28 12:09:01,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:09:01,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 2089 transitions. [2020-10-28 12:09:01,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-28 12:09:01,236 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:09:01,237 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:09:01,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 12:09:01,237 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:09:01,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:09:01,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1904768394, now seen corresponding path program 1 times [2020-10-28 12:09:01,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:09:01,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339643181] [2020-10-28 12:09:01,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:09:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:01,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:01,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:02,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:02,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-28 12:09:02,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:09:02,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1290 [2020-10-28 12:09:02,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:02,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:02,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:02,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 12:09:02,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 12:09:02,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:02,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:09:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:02,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:02,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:02,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:09:02,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:02,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 12:09:02,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:02,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:02,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:02,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:02,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:02,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:09:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:02,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:02,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:02,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:09:02,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:02,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-28 12:09:02,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:02,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:02,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:02,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:02,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 12:09:02,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:03,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 12:09:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:03,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:03,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:03,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 12:09:03,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:03,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-28 12:09:03,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:03,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:03,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:03,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:09:03,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 12:09:03,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:03,291 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:09:03,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339643181] [2020-10-28 12:09:03,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:09:03,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:09:03,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398437272] [2020-10-28 12:09:03,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:09:03,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:09:03,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:09:03,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:09:03,294 INFO L87 Difference]: Start difference. First operand 1611 states and 2089 transitions. Second operand 7 states. [2020-10-28 12:09:06,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:09:06,802 INFO L93 Difference]: Finished difference Result 4065 states and 5720 transitions. [2020-10-28 12:09:06,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:09:06,803 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 205 [2020-10-28 12:09:06,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:09:06,822 INFO L225 Difference]: With dead ends: 4065 [2020-10-28 12:09:06,822 INFO L226 Difference]: Without dead ends: 2648 [2020-10-28 12:09:06,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:09:06,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2020-10-28 12:09:06,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2415. [2020-10-28 12:09:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2415 states. [2020-10-28 12:09:06,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2415 states and 3181 transitions. [2020-10-28 12:09:06,920 INFO L78 Accepts]: Start accepts. Automaton has 2415 states and 3181 transitions. Word has length 205 [2020-10-28 12:09:06,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:09:06,921 INFO L481 AbstractCegarLoop]: Abstraction has 2415 states and 3181 transitions. [2020-10-28 12:09:06,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:09:06,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2415 states and 3181 transitions. [2020-10-28 12:09:06,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-28 12:09:06,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:09:06,926 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:09:06,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 12:09:06,926 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:09:06,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:09:06,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1628225273, now seen corresponding path program 1 times [2020-10-28 12:09:06,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:09:06,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [447210739] [2020-10-28 12:09:06,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:09:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:07,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:07,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:07,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-28 12:09:07,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:07,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 488 [2020-10-28 12:09:07,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:07,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:07,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:07,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-28 12:09:07,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-28 12:09:07,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:07,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:09:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:07,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:07,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:07,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:09:07,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:07,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:09:07,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:07,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:07,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:07,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:07,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:07,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:07,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:09:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:07,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:07,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:07,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:09:07,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:07,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-28 12:09:07,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:07,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-28 12:09:07,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:07,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 12:09:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:07,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:08,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:08,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 12:09:08,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:08,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-28 12:09:08,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:08,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:08,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:08,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:09:08,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-28 12:09:08,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:08,353 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:09:08,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [447210739] [2020-10-28 12:09:08,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:09:08,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:09:08,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765359060] [2020-10-28 12:09:08,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:09:08,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:09:08,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:09:08,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:09:08,356 INFO L87 Difference]: Start difference. First operand 2415 states and 3181 transitions. Second operand 7 states. [2020-10-28 12:09:11,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:09:11,731 INFO L93 Difference]: Finished difference Result 5637 states and 7676 transitions. [2020-10-28 12:09:11,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:09:11,732 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 244 [2020-10-28 12:09:11,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:09:11,755 INFO L225 Difference]: With dead ends: 5637 [2020-10-28 12:09:11,755 INFO L226 Difference]: Without dead ends: 3416 [2020-10-28 12:09:11,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:09:11,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3416 states. [2020-10-28 12:09:11,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3416 to 3405. [2020-10-28 12:09:11,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3405 states. [2020-10-28 12:09:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4465 transitions. [2020-10-28 12:09:11,891 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4465 transitions. Word has length 244 [2020-10-28 12:09:11,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:09:11,892 INFO L481 AbstractCegarLoop]: Abstraction has 3405 states and 4465 transitions. [2020-10-28 12:09:11,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:09:11,892 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4465 transitions. [2020-10-28 12:09:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-10-28 12:09:11,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:09:11,898 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:09:11,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 12:09:11,899 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:09:11,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:09:11,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1106019642, now seen corresponding path program 1 times [2020-10-28 12:09:11,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:09:11,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190980962] [2020-10-28 12:09:11,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:09:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:12,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:12,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:12,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:14,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:14,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-28 12:09:14,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:09:14,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2097 [2020-10-28 12:09:14,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:14,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:14,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:09:14,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-28 12:09:14,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-28 12:09:14,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:14,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:09:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:14,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:14,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:14,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:09:14,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:14,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:09:14,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:14,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:14,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:14,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:14,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:14,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:14,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:09:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:14,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:14,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:14,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:09:14,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:14,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-28 12:09:14,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:14,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-28 12:09:14,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:09:14,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 12:09:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:14,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:14,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:14,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:14,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-28 12:09:14,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:09:14,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-10-28 12:09:14,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:14,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:14,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:14,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:14,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-28 12:09:14,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:14,921 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-28 12:09:14,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190980962] [2020-10-28 12:09:14,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:09:14,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 12:09:14,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171635430] [2020-10-28 12:09:14,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:09:14,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:09:14,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:09:14,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:09:14,926 INFO L87 Difference]: Start difference. First operand 3405 states and 4465 transitions. Second operand 6 states. [2020-10-28 12:09:17,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:09:17,601 INFO L93 Difference]: Finished difference Result 6612 states and 8770 transitions. [2020-10-28 12:09:17,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:09:17,602 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 250 [2020-10-28 12:09:17,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:09:17,621 INFO L225 Difference]: With dead ends: 6612 [2020-10-28 12:09:17,621 INFO L226 Difference]: Without dead ends: 3401 [2020-10-28 12:09:17,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:09:17,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3401 states. [2020-10-28 12:09:17,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3401 to 3401. [2020-10-28 12:09:17,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3401 states. [2020-10-28 12:09:17,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 3401 states and 4249 transitions. [2020-10-28 12:09:17,732 INFO L78 Accepts]: Start accepts. Automaton has 3401 states and 4249 transitions. Word has length 250 [2020-10-28 12:09:17,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:09:17,733 INFO L481 AbstractCegarLoop]: Abstraction has 3401 states and 4249 transitions. [2020-10-28 12:09:17,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:09:17,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3401 states and 4249 transitions. [2020-10-28 12:09:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-28 12:09:17,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:09:17,741 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:09:17,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 12:09:17,741 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:09:17,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:09:17,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1019739005, now seen corresponding path program 1 times [2020-10-28 12:09:17,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:09:17,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532795117] [2020-10-28 12:09:17,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:09:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:17,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:17,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:18,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:22,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:22,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 308 [2020-10-28 12:09:22,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:09:22,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 12:09:22,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:22,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:22,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:22,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 12:09:22,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-28 12:09:22,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:22,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:09:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:22,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:22,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:22,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:09:22,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:22,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:09:22,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:22,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:22,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:22,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:09:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:23,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:23,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:23,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:09:23,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:23,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-28 12:09:23,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:23,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:23,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:23,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:23,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 12:09:23,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:23,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 12:09:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:23,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:23,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:23,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 12:09:23,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:23,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-28 12:09:23,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:23,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:23,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:09:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-28 12:09:23,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:23,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-28 12:09:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:23,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:23,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:23,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:09:23,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:23,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 12:09:23,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:23,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:23,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:23,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 12:09:23,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:23,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:23,566 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 114 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-28 12:09:23,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532795117] [2020-10-28 12:09:23,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:09:23,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:09:23,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225099469] [2020-10-28 12:09:23,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:09:23,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:09:23,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:09:23,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:09:23,569 INFO L87 Difference]: Start difference. First operand 3401 states and 4249 transitions. Second operand 7 states. [2020-10-28 12:09:27,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:09:27,184 INFO L93 Difference]: Finished difference Result 8367 states and 10666 transitions. [2020-10-28 12:09:27,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:09:27,185 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 292 [2020-10-28 12:09:27,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:09:27,212 INFO L225 Difference]: With dead ends: 8367 [2020-10-28 12:09:27,212 INFO L226 Difference]: Without dead ends: 5160 [2020-10-28 12:09:27,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:09:27,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5160 states. [2020-10-28 12:09:27,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5160 to 4964. [2020-10-28 12:09:27,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4964 states. [2020-10-28 12:09:27,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4964 states to 4964 states and 6224 transitions. [2020-10-28 12:09:27,384 INFO L78 Accepts]: Start accepts. Automaton has 4964 states and 6224 transitions. Word has length 292 [2020-10-28 12:09:27,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:09:27,384 INFO L481 AbstractCegarLoop]: Abstraction has 4964 states and 6224 transitions. [2020-10-28 12:09:27,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:09:27,385 INFO L276 IsEmpty]: Start isEmpty. Operand 4964 states and 6224 transitions. [2020-10-28 12:09:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-28 12:09:27,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:09:27,393 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:09:27,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 12:09:27,394 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:09:27,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:09:27,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1052124525, now seen corresponding path program 1 times [2020-10-28 12:09:27,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:09:27,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965464919] [2020-10-28 12:09:27,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:09:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:27,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:27,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:28,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:30,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:32,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:32,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-10-28 12:09:32,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:09:32,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-28 12:09:32,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:32,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:32,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:32,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 12:09:32,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-28 12:09:32,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:32,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:09:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:32,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:32,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:32,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:09:32,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:32,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:09:32,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:32,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:32,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:32,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:32,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:32,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:32,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:09:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:32,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:32,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:32,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:09:32,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:32,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-28 12:09:32,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:32,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:32,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:32,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:32,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 12:09:32,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:32,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 12:09:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:32,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:33,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:33,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-28 12:09:33,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:33,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-28 12:09:33,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:33,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:33,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:33,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:09:33,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 12:09:33,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:33,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-28 12:09:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:33,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:33,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:33,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:09:33,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:33,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 12:09:33,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:33,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:33,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:33,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 12:09:33,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:33,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 122 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-28 12:09:33,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965464919] [2020-10-28 12:09:33,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:09:33,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:09:33,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846502392] [2020-10-28 12:09:33,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:09:33,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:09:33,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:09:33,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:09:33,687 INFO L87 Difference]: Start difference. First operand 4964 states and 6224 transitions. Second operand 7 states. [2020-10-28 12:09:36,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:09:36,989 INFO L93 Difference]: Finished difference Result 10344 states and 12988 transitions. [2020-10-28 12:09:36,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 12:09:36,990 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 300 [2020-10-28 12:09:36,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:09:37,031 INFO L225 Difference]: With dead ends: 10344 [2020-10-28 12:09:37,032 INFO L226 Difference]: Without dead ends: 5574 [2020-10-28 12:09:37,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 12:09:37,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5574 states. [2020-10-28 12:09:37,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5574 to 5368. [2020-10-28 12:09:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5368 states. [2020-10-28 12:09:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5368 states to 5368 states and 6650 transitions. [2020-10-28 12:09:37,205 INFO L78 Accepts]: Start accepts. Automaton has 5368 states and 6650 transitions. Word has length 300 [2020-10-28 12:09:37,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:09:37,206 INFO L481 AbstractCegarLoop]: Abstraction has 5368 states and 6650 transitions. [2020-10-28 12:09:37,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:09:37,206 INFO L276 IsEmpty]: Start isEmpty. Operand 5368 states and 6650 transitions. [2020-10-28 12:09:37,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-10-28 12:09:37,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:09:37,216 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:09:37,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 12:09:37,216 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:09:37,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:09:37,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1841542441, now seen corresponding path program 1 times [2020-10-28 12:09:37,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:09:37,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1290666017] [2020-10-28 12:09:37,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:09:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:37,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:37,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:39,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:39,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-10-28 12:09:39,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:09:39,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2074 [2020-10-28 12:09:39,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:39,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:39,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-10-28 12:09:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 12:09:39,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:39,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:09:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:39,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:39,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:39,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:09:39,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:39,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:09:39,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:39,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:39,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:39,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:09:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:39,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:39,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:39,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:09:39,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:39,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 12:09:39,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:39,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:39,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:39,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:39,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:39,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:39,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:09:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:39,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:39,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:39,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 12:09:39,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:39,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-28 12:09:39,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:39,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-28 12:09:39,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:39,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-28 12:09:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:39,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:39,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:39,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:09:39,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:39,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-28 12:09:39,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:39,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:39,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:39,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:09:39,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:09:39,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:40,090 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-28 12:09:40,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1290666017] [2020-10-28 12:09:40,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:09:40,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:09:40,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254071709] [2020-10-28 12:09:40,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:09:40,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:09:40,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:09:40,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:09:40,092 INFO L87 Difference]: Start difference. First operand 5368 states and 6650 transitions. Second operand 7 states. [2020-10-28 12:09:43,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:09:43,325 INFO L93 Difference]: Finished difference Result 10736 states and 13343 transitions. [2020-10-28 12:09:43,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 12:09:43,327 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 302 [2020-10-28 12:09:43,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:09:43,348 INFO L225 Difference]: With dead ends: 10736 [2020-10-28 12:09:43,348 INFO L226 Difference]: Without dead ends: 5562 [2020-10-28 12:09:43,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:09:43,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5562 states. [2020-10-28 12:09:43,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5562 to 5556. [2020-10-28 12:09:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5556 states. [2020-10-28 12:09:43,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5556 states to 5556 states and 6859 transitions. [2020-10-28 12:09:43,555 INFO L78 Accepts]: Start accepts. Automaton has 5556 states and 6859 transitions. Word has length 302 [2020-10-28 12:09:43,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:09:43,556 INFO L481 AbstractCegarLoop]: Abstraction has 5556 states and 6859 transitions. [2020-10-28 12:09:43,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:09:43,557 INFO L276 IsEmpty]: Start isEmpty. Operand 5556 states and 6859 transitions. [2020-10-28 12:09:43,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-10-28 12:09:43,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:09:43,565 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:09:43,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 12:09:43,566 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:09:43,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:09:43,567 INFO L82 PathProgramCache]: Analyzing trace with hash -115242594, now seen corresponding path program 1 times [2020-10-28 12:09:43,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:09:43,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [232361435] [2020-10-28 12:09:43,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:09:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:43,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:43,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:44,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:46,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:46,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-10-28 12:09:46,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:09:46,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2433 [2020-10-28 12:09:46,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:46,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:46,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-28 12:09:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-28 12:09:46,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:46,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:09:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:46,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:46,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:46,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:09:46,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:09:46,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:46,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:46,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:46,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:09:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:46,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:46,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:46,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:09:46,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:46,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 12:09:46,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:46,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:46,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:46,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:46,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-28 12:09:46,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:46,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 12:09:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:46,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:46,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:46,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 12:09:46,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:46,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-28 12:09:46,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:46,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:46,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:46,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:09:46,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-28 12:09:46,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:46,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-28 12:09:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:46,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:46,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:46,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:09:46,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:46,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 12:09:46,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:46,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:46,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:46,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 12:09:46,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:46,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 111 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-28 12:09:46,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [232361435] [2020-10-28 12:09:46,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:09:46,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:09:46,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112442655] [2020-10-28 12:09:46,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:09:46,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:09:46,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:09:46,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:09:46,749 INFO L87 Difference]: Start difference. First operand 5556 states and 6859 transitions. Second operand 7 states. [2020-10-28 12:09:50,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:09:50,230 INFO L93 Difference]: Finished difference Result 12841 states and 16069 transitions. [2020-10-28 12:09:50,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:09:50,232 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 304 [2020-10-28 12:09:50,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:09:50,259 INFO L225 Difference]: With dead ends: 12841 [2020-10-28 12:09:50,259 INFO L226 Difference]: Without dead ends: 7479 [2020-10-28 12:09:50,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:09:50,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7479 states. [2020-10-28 12:09:50,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7479 to 7282. [2020-10-28 12:09:50,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7282 states. [2020-10-28 12:09:50,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7282 states to 7282 states and 9093 transitions. [2020-10-28 12:09:50,471 INFO L78 Accepts]: Start accepts. Automaton has 7282 states and 9093 transitions. Word has length 304 [2020-10-28 12:09:50,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:09:50,472 INFO L481 AbstractCegarLoop]: Abstraction has 7282 states and 9093 transitions. [2020-10-28 12:09:50,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:09:50,472 INFO L276 IsEmpty]: Start isEmpty. Operand 7282 states and 9093 transitions. [2020-10-28 12:09:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-10-28 12:09:50,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:09:50,481 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:09:50,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 12:09:50,482 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:09:50,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:09:50,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1005220783, now seen corresponding path program 1 times [2020-10-28 12:09:50,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:09:50,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1048697845] [2020-10-28 12:09:50,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:09:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:50,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:50,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:50,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:51,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:51,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:51,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 321 [2020-10-28 12:09:51,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:09:51,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 798 [2020-10-28 12:09:51,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:51,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:51,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:51,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:09:51,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 297 [2020-10-28 12:09:51,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:51,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:09:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:51,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:51,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:51,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:09:51,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:51,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 12:09:51,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:51,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:51,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:51,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:51,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:09:51,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:51,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:09:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:51,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:51,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:51,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:51,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:09:51,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:09:51,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-28 12:09:51,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:51,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:51,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-28 12:09:51,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:51,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 12:09:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:51,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:51,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:51,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:51,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 12:09:51,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:09:51,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-28 12:09:51,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:51,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:51,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:51,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-28 12:09:51,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 12:09:51,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-28 12:09:52,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1048697845] [2020-10-28 12:09:52,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:09:52,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:09:52,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561739994] [2020-10-28 12:09:52,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:09:52,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:09:52,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:09:52,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:09:52,014 INFO L87 Difference]: Start difference. First operand 7282 states and 9093 transitions. Second operand 6 states. [2020-10-28 12:09:54,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:09:54,132 INFO L93 Difference]: Finished difference Result 14353 states and 17974 transitions. [2020-10-28 12:09:54,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:09:54,138 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 307 [2020-10-28 12:09:54,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:09:54,163 INFO L225 Difference]: With dead ends: 14353 [2020-10-28 12:09:54,163 INFO L226 Difference]: Without dead ends: 7265 [2020-10-28 12:09:54,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:09:54,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7265 states. [2020-10-28 12:09:54,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7265 to 7261. [2020-10-28 12:09:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7261 states. [2020-10-28 12:09:54,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7261 states to 7261 states and 9038 transitions. [2020-10-28 12:09:54,406 INFO L78 Accepts]: Start accepts. Automaton has 7261 states and 9038 transitions. Word has length 307 [2020-10-28 12:09:54,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:09:54,407 INFO L481 AbstractCegarLoop]: Abstraction has 7261 states and 9038 transitions. [2020-10-28 12:09:54,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:09:54,407 INFO L276 IsEmpty]: Start isEmpty. Operand 7261 states and 9038 transitions. [2020-10-28 12:09:54,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-10-28 12:09:54,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:09:54,416 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 12:09:54,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 12:09:54,416 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:09:54,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:09:54,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1457746713, now seen corresponding path program 1 times [2020-10-28 12:09:54,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:09:54,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636100536] [2020-10-28 12:09:54,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:09:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:54,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:54,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:54,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:58,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:59,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:59,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-28 12:09:59,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:09:59,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 12:09:59,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:59,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:09:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-28 12:09:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-28 12:09:59,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:59,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:09:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:59,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:59,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:59,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:09:59,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:59,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:09:59,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:59,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:09:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:09:59,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:59,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:09:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:59,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:09:59,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:09:59,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:09:59,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:09:59,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-28 12:09:59,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:09:59,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:09:59,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:09:59,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:09:59,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-28 12:09:59,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:09:59,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:09:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:09:59,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:00,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:00,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-28 12:10:00,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:10:00,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-28 12:10:00,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:00,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:10:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:10:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 12:10:00,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:00,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-28 12:10:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:00,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:00,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:00,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:10:00,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:10:00,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 12:10:00,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:00,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:00,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:10:00,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 12:10:00,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:10:00,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:00,225 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 122 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-28 12:10:00,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636100536] [2020-10-28 12:10:00,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:10:00,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:10:00,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437327623] [2020-10-28 12:10:00,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:10:00,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:10:00,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:10:00,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:10:00,227 INFO L87 Difference]: Start difference. First operand 7261 states and 9038 transitions. Second operand 7 states. [2020-10-28 12:10:04,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:10:04,628 INFO L93 Difference]: Finished difference Result 15860 states and 19743 transitions. [2020-10-28 12:10:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:10:04,629 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 310 [2020-10-28 12:10:04,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:10:04,658 INFO L225 Difference]: With dead ends: 15860 [2020-10-28 12:10:04,658 INFO L226 Difference]: Without dead ends: 8793 [2020-10-28 12:10:04,675 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 [2020-10-28 12:10:04,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8793 states. [2020-10-28 12:10:04,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8793 to 8407. [2020-10-28 12:10:04,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8407 states. [2020-10-28 12:10:04,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8407 states to 8407 states and 10211 transitions. [2020-10-28 12:10:04,935 INFO L78 Accepts]: Start accepts. Automaton has 8407 states and 10211 transitions. Word has length 310 [2020-10-28 12:10:04,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:10:04,936 INFO L481 AbstractCegarLoop]: Abstraction has 8407 states and 10211 transitions. [2020-10-28 12:10:04,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:10:04,936 INFO L276 IsEmpty]: Start isEmpty. Operand 8407 states and 10211 transitions. [2020-10-28 12:10:04,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-10-28 12:10:04,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:10:04,947 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 12:10:04,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 12:10:04,948 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:10:04,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:10:04,948 INFO L82 PathProgramCache]: Analyzing trace with hash 748405559, now seen corresponding path program 1 times [2020-10-28 12:10:04,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:10:04,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317576620] [2020-10-28 12:10:04,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:10:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:05,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:05,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:05,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:07,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:09,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:09,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-28 12:10:09,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:10:09,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4718 [2020-10-28 12:10:09,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:09,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:09,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:10:09,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-28 12:10:09,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-28 12:10:09,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:09,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:10:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:09,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:09,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:09,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:10:09,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:10:09,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:10:09,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:09,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:09,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:10:09,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:10:09,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:10:09,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:09,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:10:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:09,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:10,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:10,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 12:10:10,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:10:10,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-28 12:10:10,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:10,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:10:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:10:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-28 12:10:10,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:10,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 12:10:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:10,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:10,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:10,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-28 12:10:10,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:10:10,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-28 12:10:10,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:10,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:10,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:10:10,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:10:10,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 12:10:10,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:10,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-28 12:10:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:10,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:10,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:10,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:10:10,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:10:10,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 12:10:10,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:10,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:10:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 12:10:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:10:10,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:10,617 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 122 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-28 12:10:10,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317576620] [2020-10-28 12:10:10,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:10:10,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:10:10,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143926346] [2020-10-28 12:10:10,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:10:10,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:10:10,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:10:10,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:10:10,620 INFO L87 Difference]: Start difference. First operand 8407 states and 10211 transitions. Second operand 7 states. [2020-10-28 12:10:14,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:10:14,210 INFO L93 Difference]: Finished difference Result 17615 states and 21443 transitions. [2020-10-28 12:10:14,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 12:10:14,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 331 [2020-10-28 12:10:14,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:10:14,239 INFO L225 Difference]: With dead ends: 17615 [2020-10-28 12:10:14,239 INFO L226 Difference]: Without dead ends: 9402 [2020-10-28 12:10:14,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 12:10:14,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9402 states. [2020-10-28 12:10:14,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9402 to 9179. [2020-10-28 12:10:14,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9179 states. [2020-10-28 12:10:14,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9179 states to 9179 states and 11031 transitions. [2020-10-28 12:10:14,454 INFO L78 Accepts]: Start accepts. Automaton has 9179 states and 11031 transitions. Word has length 331 [2020-10-28 12:10:14,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:10:14,455 INFO L481 AbstractCegarLoop]: Abstraction has 9179 states and 11031 transitions. [2020-10-28 12:10:14,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:10:14,455 INFO L276 IsEmpty]: Start isEmpty. Operand 9179 states and 11031 transitions. [2020-10-28 12:10:14,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-28 12:10:14,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:10:14,466 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:10:14,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 12:10:14,467 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:10:14,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:10:14,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1914059167, now seen corresponding path program 1 times [2020-10-28 12:10:14,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:10:14,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670140359] [2020-10-28 12:10:14,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:10:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:14,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:14,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:16,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:16,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-10-28 12:10:16,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:10:16,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2308 [2020-10-28 12:10:16,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:16,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:16,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:10:16,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-28 12:10:16,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 12:10:16,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:17,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:10:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:17,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:17,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:17,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:10:17,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:10:17,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:10:17,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:17,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:10:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:10:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:10:17,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:17,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:10:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:17,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:17,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:17,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:10:17,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:10:17,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 12:10:17,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:17,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:17,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:10:17,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:10:17,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:10:17,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:17,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 12:10:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:17,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:17,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:17,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:10:17,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:10:17,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-28 12:10:17,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:17,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:17,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:10:17,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:10:17,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-28 12:10:17,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:17,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-28 12:10:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:17,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:17,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:17,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:10:17,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:10:17,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-28 12:10:17,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:17,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:17,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:10:17,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:10:17,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:10:17,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-28 12:10:17,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670140359] [2020-10-28 12:10:17,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:10:17,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 12:10:17,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257068267] [2020-10-28 12:10:17,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 12:10:17,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:10:17,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 12:10:17,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:10:17,626 INFO L87 Difference]: Start difference. First operand 9179 states and 11031 transitions. Second operand 8 states. [2020-10-28 12:10:20,354 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-28 12:10:22,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:10:22,589 INFO L93 Difference]: Finished difference Result 20701 states and 25141 transitions. [2020-10-28 12:10:22,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 12:10:22,590 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 337 [2020-10-28 12:10:22,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:10:22,624 INFO L225 Difference]: With dead ends: 20701 [2020-10-28 12:10:22,625 INFO L226 Difference]: Without dead ends: 11716 [2020-10-28 12:10:22,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-28 12:10:22,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11716 states. [2020-10-28 12:10:22,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11716 to 11485. [2020-10-28 12:10:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11485 states. [2020-10-28 12:10:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11485 states to 11485 states and 13713 transitions. [2020-10-28 12:10:22,910 INFO L78 Accepts]: Start accepts. Automaton has 11485 states and 13713 transitions. Word has length 337 [2020-10-28 12:10:22,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:10:22,911 INFO L481 AbstractCegarLoop]: Abstraction has 11485 states and 13713 transitions. [2020-10-28 12:10:22,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 12:10:22,911 INFO L276 IsEmpty]: Start isEmpty. Operand 11485 states and 13713 transitions. [2020-10-28 12:10:22,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-10-28 12:10:22,920 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:10:22,921 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 12:10:22,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 12:10:22,921 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:10:22,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:10:22,922 INFO L82 PathProgramCache]: Analyzing trace with hash 781710871, now seen corresponding path program 1 times [2020-10-28 12:10:22,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:10:22,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1123387153] [2020-10-28 12:10:22,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:10:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:23,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:23,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:25,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:27,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:27,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-10-28 12:10:27,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:10:27,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4574 [2020-10-28 12:10:27,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:27,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:10:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 347 [2020-10-28 12:10:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 12:10:27,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:27,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:10:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:27,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:27,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:27,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:10:27,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:10:27,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:10:27,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:27,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:10:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:10:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:10:27,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:27,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:10:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:27,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:27,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:27,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:10:27,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:10:27,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 12:10:27,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:27,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:10:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:10:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:10:27,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:27,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:10:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:27,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:27,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:27,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 12:10:27,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:10:27,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 12:10:27,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:27,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:27,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:10:27,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:10:27,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:10:27,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:27,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-28 12:10:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:10:27,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:10:27,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:10:27,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-28 12:10:27,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:10:27,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-28 12:10:27,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:10:27,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:10:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:10:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:10:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-28 12:10:27,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:10:28,009 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-28 12:10:28,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1123387153] [2020-10-28 12:10:28,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:10:28,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:10:28,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326506036] [2020-10-28 12:10:28,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:10:28,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:10:28,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:10:28,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:10:28,011 INFO L87 Difference]: Start difference. First operand 11485 states and 13713 transitions. Second operand 5 states. [2020-10-28 12:10:31,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:10:31,098 INFO L93 Difference]: Finished difference Result 25806 states and 30931 transitions. [2020-10-28 12:10:31,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:10:31,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 350 [2020-10-28 12:10:31,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:10:31,130 INFO L225 Difference]: With dead ends: 25806 [2020-10-28 12:10:31,130 INFO L226 Difference]: Without dead ends: 11827 [2020-10-28 12:10:31,149 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 [2020-10-28 12:10:31,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11827 states. [2020-10-28 12:10:31,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11827 to 11057. [2020-10-28 12:10:31,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11057 states. [2020-10-28 12:10:31,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11057 states to 11057 states and 12956 transitions. [2020-10-28 12:10:31,393 INFO L78 Accepts]: Start accepts. Automaton has 11057 states and 12956 transitions. Word has length 350 [2020-10-28 12:10:31,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:10:31,394 INFO L481 AbstractCegarLoop]: Abstraction has 11057 states and 12956 transitions. [2020-10-28 12:10:31,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:10:31,394 INFO L276 IsEmpty]: Start isEmpty. Operand 11057 states and 12956 transitions. [2020-10-28 12:10:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-10-28 12:10:31,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:10:31,407 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:10:31,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 12:10:31,407 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:10:31,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:10:31,408 INFO L82 PathProgramCache]: Analyzing trace with hash -11489497, now seen corresponding path program 1 times [2020-10-28 12:10:31,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:10:31,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855589822] [2020-10-28 12:10:31,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:10:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 12:10:31,502 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 12:10:31,502 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 12:10:31,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-28 12:10:31,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 12:10:31 BoogieIcfgContainer [2020-10-28 12:10:31,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 12:10:31,608 INFO L168 Benchmark]: Toolchain (without parser) took 118705.66 ms. Allocated memory was 151.0 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 122.0 MB in the beginning and 1.0 GB in the end (delta: -905.3 MB). Peak memory consumption was 439.6 MB. Max. memory is 8.0 GB. [2020-10-28 12:10:31,612 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 151.0 MB. Free memory is still 123.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 12:10:31,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1106.03 ms. Allocated memory is still 151.0 MB. Free memory was 121.3 MB in the beginning and 111.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 32.0 MB. Max. memory is 8.0 GB. [2020-10-28 12:10:31,613 INFO L168 Benchmark]: Boogie Preprocessor took 194.62 ms. Allocated memory is still 151.0 MB. Free memory was 111.7 MB in the beginning and 104.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-28 12:10:31,614 INFO L168 Benchmark]: RCFGBuilder took 2455.60 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 104.4 MB in the beginning and 125.6 MB in the end (delta: -21.2 MB). Peak memory consumption was 75.8 MB. Max. memory is 8.0 GB. [2020-10-28 12:10:31,615 INFO L168 Benchmark]: TraceAbstraction took 114933.70 ms. Allocated memory was 181.4 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 125.1 MB in the beginning and 1.0 GB in the end (delta: -902.2 MB). Peak memory consumption was 411.6 MB. Max. memory is 8.0 GB. [2020-10-28 12:10:31,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 151.0 MB. Free memory is still 123.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1106.03 ms. Allocated memory is still 151.0 MB. Free memory was 121.3 MB in the beginning and 111.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 32.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 194.62 ms. Allocated memory is still 151.0 MB. Free memory was 111.7 MB in the beginning and 104.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2455.60 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 104.4 MB in the beginning and 125.6 MB in the end (delta: -21.2 MB). Peak memory consumption was 75.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 114933.70 ms. Allocated memory was 181.4 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 125.1 MB in the beginning and 1.0 GB in the end (delta: -902.2 MB). Peak memory consumption was 411.6 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 TRUE ((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 )) [L584] a29 = (((((a29 - 0) % 15)+ 262) + 241270) + -241271) [L585] a25 = 12 [L587] return 24; [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 TRUE ((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 ))) [L313] a29 = (((a29 / 5) / 5) + -580303) [L314] a23 = (((a23 - 600264) + -12) / 5) [L315] a4 = 0 [L316] a25 = 12 [L318] 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, 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 TRUE (!(a4==1) && (((((((a25==12) || (a25==13)) && (input == 6)) && (a8==15)) && a23 <= -43 ) && (a3==1)) && a29 <= 140 )) [L777] a23 = (((((a23 % 83)- -241) * 10)/ 9) - 2) [L778] a4 = 1 [L779] a25 = 9 [L781] return -1; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND 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 TRUE ((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15)) [L38] CALL reach_error() [L4] __assert_fail("0", "Problem11_label39.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: 114.7s, OverallIterations: 18, TraceHistogramMax: 4, AutomataDifference: 57.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 772 SDtfs, 12020 SDslu, 1274 SDs, 0 SdLazy, 21713 SolverSat, 3378 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 293 GetRequests, 153 SyntacticMatches, 2 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11485occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 17 MinimizatonAttempts, 3118 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 51.9s InterpolantComputationTime, 4418 NumberOfCodeBlocks, 4418 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4020 ConstructedInterpolants, 0 QuantifiedInterpolants, 3587445 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 2315/2691 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...