/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:51:11,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:51:11,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:51:11,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:51:11,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:51:11,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:51:11,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:51:11,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:51:11,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:51:11,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:51:11,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:51:11,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:51:11,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:51:11,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:51:11,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:51:11,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:51:11,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:51:11,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:51:11,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:51:11,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:51:11,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:51:11,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:51:11,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:51:11,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:51:11,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:51:11,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:51:11,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:51:11,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:51:11,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:51:11,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:51:11,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:51:11,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:51:11,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:51:11,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:51:11,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:51:11,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:51:11,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:51:11,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:51:11,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:51:11,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:51:11,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:51:11,790 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 [2020-10-29 06:51:11,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:51:11,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:51:11,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:51:11,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:51:11,821 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:51:11,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:51:11,821 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:51:11,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:51:11,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:51:11,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:51:11,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:51:11,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:51:11,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:51:11,823 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:51:11,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:51:11,823 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:51:11,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:51:11,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:51:11,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:51:11,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:51:11,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:51:11,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:51:11,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:51:11,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:51:11,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:51:11,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:51:11,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:51:11,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:51:11,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:51:11,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:51:12,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:51:12,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:51:12,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:51:12,272 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:51:12,273 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:51:12,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label51.c [2020-10-29 06:51:12,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/50458a5fc/0ea797f417664c6e97d5782c123f10a0/FLAGe86888fdf [2020-10-29 06:51:13,181 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:51:13,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label51.c [2020-10-29 06:51:13,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/50458a5fc/0ea797f417664c6e97d5782c123f10a0/FLAGe86888fdf [2020-10-29 06:51:13,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/50458a5fc/0ea797f417664c6e97d5782c123f10a0 [2020-10-29 06:51:13,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:51:13,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:51:13,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:51:13,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:51:13,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:51:13,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:51:13" (1/1) ... [2020-10-29 06:51:13,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406d201a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:51:13, skipping insertion in model container [2020-10-29 06:51:13,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:51:13" (1/1) ... [2020-10-29 06:51:13,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:51:13,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:51:14,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:51:14,153 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:51:14,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:51:14,451 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:51:14,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:51:14 WrapperNode [2020-10-29 06:51:14,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:51:14,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:51:14,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:51:14,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:51:14,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:51:14" (1/1) ... [2020-10-29 06:51:14,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:51:14" (1/1) ... [2020-10-29 06:51:14,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:51:14" (1/1) ... [2020-10-29 06:51:14,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:51:14" (1/1) ... [2020-10-29 06:51:14,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:51:14" (1/1) ... [2020-10-29 06:51:14,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:51:14" (1/1) ... [2020-10-29 06:51:14,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:51:14" (1/1) ... [2020-10-29 06:51:14,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:51:14,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:51:14,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:51:14,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:51:14,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:51:14" (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 [2020-10-29 06:51:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:51:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:51:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:51:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:51:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:51:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:51:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:51:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:51:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:51:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:51:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:51:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:51:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:51:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:51:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:51:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:51:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:51:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:51:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:51:16,589 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:51:16,589 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:51:16,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:51:16 BoogieIcfgContainer [2020-10-29 06:51:16,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:51:16,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:51:16,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:51:16,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:51:16,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:51:13" (1/3) ... [2020-10-29 06:51:16,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b32de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:51:16, skipping insertion in model container [2020-10-29 06:51:16,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:51:14" (2/3) ... [2020-10-29 06:51:16,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b32de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:51:16, skipping insertion in model container [2020-10-29 06:51:16,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:51:16" (3/3) ... [2020-10-29 06:51:16,603 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label51.c [2020-10-29 06:51:16,617 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:51:16,624 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:51:16,638 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:51:16,669 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:51:16,670 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:51:16,670 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:51:16,670 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:51:16,670 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:51:16,670 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:51:16,670 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:51:16,671 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:51:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-29 06:51:16,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-29 06:51:16,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:16,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:16,705 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:16,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:16,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1208348264, now seen corresponding path program 1 times [2020-10-29 06:51:16,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:16,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908026714] [2020-10-29 06:51:16,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:16,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:17,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:17,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 06:51:17,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:17,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 560 [2020-10-29 06:51:17,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:17,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:17,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:51:17,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:51:17,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 06:51:17,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 06:51:17,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:17,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:17,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:17,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:17,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:17,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 06:51:17,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:17,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:17,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:17,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:17,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:51:17,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:51:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:51:17,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908026714] [2020-10-29 06:51:17,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:51:17,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 06:51:17,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038327612] [2020-10-29 06:51:17,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 06:51:17,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:17,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 06:51:17,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 06:51:17,714 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-29 06:51:20,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:20,700 INFO L93 Difference]: Finished difference Result 810 states and 1408 transitions. [2020-10-29 06:51:20,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:51:20,703 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-29 06:51:20,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:20,720 INFO L225 Difference]: With dead ends: 810 [2020-10-29 06:51:20,721 INFO L226 Difference]: Without dead ends: 434 [2020-10-29 06:51:20,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:51:20,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-29 06:51:20,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 425. [2020-10-29 06:51:20,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-29 06:51:20,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 612 transitions. [2020-10-29 06:51:20,882 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 612 transitions. Word has length 18 [2020-10-29 06:51:20,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:20,883 INFO L481 AbstractCegarLoop]: Abstraction has 425 states and 612 transitions. [2020-10-29 06:51:20,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 06:51:20,883 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 612 transitions. [2020-10-29 06:51:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-29 06:51:20,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:20,891 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:20,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:51:20,891 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:20,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:20,892 INFO L82 PathProgramCache]: Analyzing trace with hash -851514268, now seen corresponding path program 1 times [2020-10-29 06:51:20,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:20,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [595756962] [2020-10-29 06:51:20,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:20,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:21,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:22,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:22,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-29 06:51:22,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:51:22,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1477 [2020-10-29 06:51:22,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:22,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:22,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:51:22,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:51:22,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 06:51:22,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:51:22,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:22,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:22,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:22,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:22,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:22,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 06:51:22,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:22,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:22,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:22,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:51:22,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:51:22,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:22,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:22,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:22,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:51:22,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:22,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-29 06:51:22,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:22,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:22,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:22,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:22,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:51:22,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:22,936 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:51:22,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [595756962] [2020-10-29 06:51:22,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:51:22,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:51:22,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656936664] [2020-10-29 06:51:22,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:51:22,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:22,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:51:22,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:51:22,943 INFO L87 Difference]: Start difference. First operand 425 states and 612 transitions. Second operand 7 states. [2020-10-29 06:51:26,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:26,455 INFO L93 Difference]: Finished difference Result 1291 states and 1931 transitions. [2020-10-29 06:51:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:51:26,456 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-29 06:51:26,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:26,471 INFO L225 Difference]: With dead ends: 1291 [2020-10-29 06:51:26,472 INFO L226 Difference]: Without dead ends: 872 [2020-10-29 06:51:26,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:51:26,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-10-29 06:51:26,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 818. [2020-10-29 06:51:26,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-10-29 06:51:26,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1098 transitions. [2020-10-29 06:51:26,571 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1098 transitions. Word has length 90 [2020-10-29 06:51:26,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:26,572 INFO L481 AbstractCegarLoop]: Abstraction has 818 states and 1098 transitions. [2020-10-29 06:51:26,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:51:26,573 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1098 transitions. [2020-10-29 06:51:26,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-29 06:51:26,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:26,577 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:26,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:51:26,577 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:26,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:26,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1715555392, now seen corresponding path program 1 times [2020-10-29 06:51:26,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:26,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1452431837] [2020-10-29 06:51:26,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:26,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:26,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:27,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:27,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 06:51:27,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:51:27,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1072 [2020-10-29 06:51:27,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:27,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:51:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:51:27,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 06:51:27,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:27,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:27,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:27,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:27,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:27,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:27,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 06:51:27,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:27,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:51:27,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:27,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:27,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:28,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:28,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-29 06:51:28,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:28,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-29 06:51:28,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:28,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 06:51:28,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:28,277 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:51:28,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1452431837] [2020-10-29 06:51:28,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:51:28,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:51:28,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539664499] [2020-10-29 06:51:28,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:51:28,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:28,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:51:28,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:51:28,282 INFO L87 Difference]: Start difference. First operand 818 states and 1098 transitions. Second operand 7 states. [2020-10-29 06:51:31,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:31,069 INFO L93 Difference]: Finished difference Result 2030 states and 2806 transitions. [2020-10-29 06:51:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:51:31,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-10-29 06:51:31,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:31,080 INFO L225 Difference]: With dead ends: 2030 [2020-10-29 06:51:31,080 INFO L226 Difference]: Without dead ends: 1218 [2020-10-29 06:51:31,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:51:31,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-10-29 06:51:31,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1210. [2020-10-29 06:51:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2020-10-29 06:51:31,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1527 transitions. [2020-10-29 06:51:31,132 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1527 transitions. Word has length 93 [2020-10-29 06:51:31,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:31,133 INFO L481 AbstractCegarLoop]: Abstraction has 1210 states and 1527 transitions. [2020-10-29 06:51:31,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:51:31,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1527 transitions. [2020-10-29 06:51:31,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-29 06:51:31,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:31,136 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:31,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:51:31,136 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:31,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:31,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1736134530, now seen corresponding path program 1 times [2020-10-29 06:51:31,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:31,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875858428] [2020-10-29 06:51:31,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:31,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:31,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:32,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:32,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-29 06:51:32,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:51:32,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 995 [2020-10-29 06:51:32,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:32,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:51:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:51:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-29 06:51:32,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:32,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:32,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:32,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:32,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:32,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:32,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 06:51:32,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:32,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:51:32,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:32,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:32,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:32,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:32,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:51:32,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:32,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-29 06:51:32,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:32,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 06:51:32,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:32,708 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 06:51:32,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875858428] [2020-10-29 06:51:32,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:32,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:51:32,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709694605] [2020-10-29 06:51:32,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:51:32,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:32,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:51:32,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:51:32,724 INFO L87 Difference]: Start difference. First operand 1210 states and 1527 transitions. Second operand 6 states. [2020-10-29 06:51:35,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:35,195 INFO L93 Difference]: Finished difference Result 2449 states and 3149 transitions. [2020-10-29 06:51:35,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:51:35,196 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2020-10-29 06:51:35,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:35,206 INFO L225 Difference]: With dead ends: 2449 [2020-10-29 06:51:35,206 INFO L226 Difference]: Without dead ends: 1623 [2020-10-29 06:51:35,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:51:35,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2020-10-29 06:51:35,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1608. [2020-10-29 06:51:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1608 states. [2020-10-29 06:51:35,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2018 transitions. [2020-10-29 06:51:35,275 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2018 transitions. Word has length 134 [2020-10-29 06:51:35,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:35,276 INFO L481 AbstractCegarLoop]: Abstraction has 1608 states and 2018 transitions. [2020-10-29 06:51:35,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:51:35,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2018 transitions. [2020-10-29 06:51:35,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-29 06:51:35,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:35,279 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:35,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:51:35,280 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:35,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:35,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1385538011, now seen corresponding path program 1 times [2020-10-29 06:51:35,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:35,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1536230570] [2020-10-29 06:51:35,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:35,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:35,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:35,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 06:51:35,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:35,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-29 06:51:35,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:35,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:35,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:35,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:51:35,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 06:51:35,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:35,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:35,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:35,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:35,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:35,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:35,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:51:35,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:35,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:35,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:35,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:35,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:35,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:35,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:51:35,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:35,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-29 06:51:35,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:36,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:36,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:36,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:51:36,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:51:36,114 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:51:36,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1536230570] [2020-10-29 06:51:36,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:36,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:51:36,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114613711] [2020-10-29 06:51:36,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:51:36,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:36,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:51:36,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:51:36,121 INFO L87 Difference]: Start difference. First operand 1608 states and 2018 transitions. Second operand 5 states. [2020-10-29 06:51:38,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:38,571 INFO L93 Difference]: Finished difference Result 3424 states and 4503 transitions. [2020-10-29 06:51:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:51:38,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-10-29 06:51:38,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:38,587 INFO L225 Difference]: With dead ends: 3424 [2020-10-29 06:51:38,587 INFO L226 Difference]: Without dead ends: 2200 [2020-10-29 06:51:38,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:51:38,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2200 states. [2020-10-29 06:51:38,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2200 to 2185. [2020-10-29 06:51:38,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2185 states. [2020-10-29 06:51:38,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 2740 transitions. [2020-10-29 06:51:38,657 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 2740 transitions. Word has length 149 [2020-10-29 06:51:38,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:38,658 INFO L481 AbstractCegarLoop]: Abstraction has 2185 states and 2740 transitions. [2020-10-29 06:51:38,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:51:38,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2740 transitions. [2020-10-29 06:51:38,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-29 06:51:38,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:38,663 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:38,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:51:38,664 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:38,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:38,664 INFO L82 PathProgramCache]: Analyzing trace with hash -170203154, now seen corresponding path program 1 times [2020-10-29 06:51:38,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:38,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1804737941] [2020-10-29 06:51:38,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:38,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:38,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:40,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:41,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:41,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-29 06:51:41,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:51:41,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3144 [2020-10-29 06:51:41,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:41,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:41,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 06:51:41,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:51:41,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-29 06:51:41,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:42,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:42,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:42,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:42,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:42,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:42,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 06:51:42,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:42,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:42,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:42,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:42,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:51:42,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:42,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:42,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:42,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:42,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:51:42,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:42,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-29 06:51:42,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:42,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:42,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 06:51:42,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:42,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:51:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:42,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:42,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:42,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:51:42,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:42,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-29 06:51:42,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:42,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:42,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:51:42,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:42,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:51:42,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 6 proven. 83 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 06:51:42,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1804737941] [2020-10-29 06:51:42,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:42,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:51:42,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986958308] [2020-10-29 06:51:42,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 06:51:42,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:42,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 06:51:42,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-29 06:51:42,935 INFO L87 Difference]: Start difference. First operand 2185 states and 2740 transitions. Second operand 9 states. [2020-10-29 06:51:44,365 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2020-10-29 06:51:44,586 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2020-10-29 06:51:46,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:46,456 INFO L93 Difference]: Finished difference Result 3441 states and 4422 transitions. [2020-10-29 06:51:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 06:51:46,457 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 207 [2020-10-29 06:51:46,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:46,470 INFO L225 Difference]: With dead ends: 3441 [2020-10-29 06:51:46,470 INFO L226 Difference]: Without dead ends: 2210 [2020-10-29 06:51:46,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-29 06:51:46,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2020-10-29 06:51:46,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 2191. [2020-10-29 06:51:46,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2191 states. [2020-10-29 06:51:46,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 2749 transitions. [2020-10-29 06:51:46,539 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 2749 transitions. Word has length 207 [2020-10-29 06:51:46,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:46,540 INFO L481 AbstractCegarLoop]: Abstraction has 2191 states and 2749 transitions. [2020-10-29 06:51:46,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 06:51:46,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2749 transitions. [2020-10-29 06:51:46,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-29 06:51:46,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:46,544 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:46,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:51:46,545 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:46,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:46,545 INFO L82 PathProgramCache]: Analyzing trace with hash 927264374, now seen corresponding path program 1 times [2020-10-29 06:51:46,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:46,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680106480] [2020-10-29 06:51:46,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:46,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:46,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:47,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:48,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:48,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-29 06:51:48,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:51:48,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2123 [2020-10-29 06:51:48,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:48,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-29 06:51:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:51:48,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:51:48,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:48,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:48,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:48,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:48,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:48,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:51:48,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:48,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:48,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:48,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:48,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:48,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:51:48,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:48,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:49,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:49,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:51:49,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:49,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-29 06:51:49,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:49,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:49,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:49,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:51:49,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:51:49,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:51:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:49,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:49,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:49,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:51:49,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:49,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-29 06:51:49,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:49,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:49,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:49,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:49,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:51:49,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:49,528 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:51:49,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1680106480] [2020-10-29 06:51:49,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:49,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:51:49,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301440233] [2020-10-29 06:51:49,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:51:49,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:49,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:51:49,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:51:49,531 INFO L87 Difference]: Start difference. First operand 2191 states and 2749 transitions. Second operand 7 states. [2020-10-29 06:51:52,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:52,721 INFO L93 Difference]: Finished difference Result 4863 states and 6390 transitions. [2020-10-29 06:51:52,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:51:52,721 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 208 [2020-10-29 06:51:52,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:52,739 INFO L225 Difference]: With dead ends: 4863 [2020-10-29 06:51:52,740 INFO L226 Difference]: Without dead ends: 3056 [2020-10-29 06:51:52,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:51:52,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2020-10-29 06:51:52,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 2985. [2020-10-29 06:51:52,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2985 states. [2020-10-29 06:51:52,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2985 states to 2985 states and 3660 transitions. [2020-10-29 06:51:52,840 INFO L78 Accepts]: Start accepts. Automaton has 2985 states and 3660 transitions. Word has length 208 [2020-10-29 06:51:52,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:52,840 INFO L481 AbstractCegarLoop]: Abstraction has 2985 states and 3660 transitions. [2020-10-29 06:51:52,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:51:52,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2985 states and 3660 transitions. [2020-10-29 06:51:52,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-29 06:51:52,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:52,845 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:52,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:51:52,845 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:52,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:52,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1172399006, now seen corresponding path program 1 times [2020-10-29 06:51:52,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:52,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [642966643] [2020-10-29 06:51:52,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:52,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:53,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:53,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-29 06:51:53,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:53,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 523 [2020-10-29 06:51:53,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:53,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:53,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-29 06:51:53,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 06:51:53,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:51:53,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:53,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:53,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:53,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:53,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:53,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 06:51:53,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:53,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:53,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:53,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:53,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:53,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:53,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:53,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:53,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:53,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:51:53,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:53,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 06:51:53,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:53,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:53,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:53,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:53,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:53,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:53,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:51:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:53,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:53,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:53,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-29 06:51:53,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:53,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-29 06:51:53,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:53,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:53,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 06:51:53,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:53,923 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-29 06:51:53,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [642966643] [2020-10-29 06:51:53,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:53,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:51:53,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78370801] [2020-10-29 06:51:53,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:51:53,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:53,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:51:53,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:51:53,928 INFO L87 Difference]: Start difference. First operand 2985 states and 3660 transitions. Second operand 5 states. [2020-10-29 06:51:56,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:56,612 INFO L93 Difference]: Finished difference Result 5982 states and 7638 transitions. [2020-10-29 06:51:56,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:51:56,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 218 [2020-10-29 06:51:56,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:56,633 INFO L225 Difference]: With dead ends: 5982 [2020-10-29 06:51:56,633 INFO L226 Difference]: Without dead ends: 3961 [2020-10-29 06:51:56,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:51:56,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3961 states. [2020-10-29 06:51:56,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3961 to 3763. [2020-10-29 06:51:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3763 states. [2020-10-29 06:51:56,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3763 states and 4644 transitions. [2020-10-29 06:51:56,755 INFO L78 Accepts]: Start accepts. Automaton has 3763 states and 4644 transitions. Word has length 218 [2020-10-29 06:51:56,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:56,756 INFO L481 AbstractCegarLoop]: Abstraction has 3763 states and 4644 transitions. [2020-10-29 06:51:56,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:51:56,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 4644 transitions. [2020-10-29 06:51:56,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-29 06:51:56,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:56,761 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:56,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:51:56,761 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:56,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:56,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1629810914, now seen corresponding path program 1 times [2020-10-29 06:51:56,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:56,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11099744] [2020-10-29 06:51:56,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:56,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:57,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:57,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:58,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:58,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-29 06:51:58,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:51:58,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1400 [2020-10-29 06:51:58,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:58,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:58,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:58,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-29 06:51:58,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:51:58,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:58,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:58,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:58,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:58,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:58,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:58,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:51:58,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:58,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:58,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:58,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:58,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:58,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:58,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:58,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:58,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:58,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:51:58,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:58,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-29 06:51:58,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:58,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 06:51:58,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:58,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:51:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:58,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:58,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:58,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:51:58,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:58,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-29 06:51:58,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:58,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:58,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:58,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:51:58,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:51:58,885 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:51:58,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11099744] [2020-10-29 06:51:58,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:58,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:51:58,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731081643] [2020-10-29 06:51:58,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:51:58,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:58,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:51:58,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:51:58,894 INFO L87 Difference]: Start difference. First operand 3763 states and 4644 transitions. Second operand 7 states. [2020-10-29 06:52:03,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:52:03,413 INFO L93 Difference]: Finished difference Result 9329 states and 11887 transitions. [2020-10-29 06:52:03,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:52:03,414 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 218 [2020-10-29 06:52:03,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:52:03,440 INFO L225 Difference]: With dead ends: 9329 [2020-10-29 06:52:03,440 INFO L226 Difference]: Without dead ends: 5755 [2020-10-29 06:52:03,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:52:03,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5755 states. [2020-10-29 06:52:03,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5755 to 5721. [2020-10-29 06:52:03,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5721 states. [2020-10-29 06:52:03,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5721 states to 5721 states and 6868 transitions. [2020-10-29 06:52:03,645 INFO L78 Accepts]: Start accepts. Automaton has 5721 states and 6868 transitions. Word has length 218 [2020-10-29 06:52:03,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:52:03,646 INFO L481 AbstractCegarLoop]: Abstraction has 5721 states and 6868 transitions. [2020-10-29 06:52:03,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:52:03,646 INFO L276 IsEmpty]: Start isEmpty. Operand 5721 states and 6868 transitions. [2020-10-29 06:52:03,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-29 06:52:03,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:52:03,651 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:52:03,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:52:03,651 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:52:03,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:52:03,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1784199010, now seen corresponding path program 1 times [2020-10-29 06:52:03,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:52:03,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480621306] [2020-10-29 06:52:03,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:52:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:03,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:04,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:04,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:04,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-29 06:52:04,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:52:04,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1071 [2020-10-29 06:52:04,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:04,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:04,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:04,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-29 06:52:04,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:52:04,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:04,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:52:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:04,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:04,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:04,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:52:04,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:04,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:52:04,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:04,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:04,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:04,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:04,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:04,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:04,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:52:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:04,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:05,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:05,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 06:52:05,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:05,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-29 06:52:05,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:05,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:05,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:52:05,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:05,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 06:52:05,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:05,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-29 06:52:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:05,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:05,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:05,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:52:05,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:05,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-29 06:52:05,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:05,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:05,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:05,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:52:05,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:05,504 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:52:05,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480621306] [2020-10-29 06:52:05,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:52:05,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:52:05,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749457476] [2020-10-29 06:52:05,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:52:05,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:52:05,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:52:05,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:52:05,507 INFO L87 Difference]: Start difference. First operand 5721 states and 6868 transitions. Second operand 7 states. [2020-10-29 06:52:09,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:52:09,121 INFO L93 Difference]: Finished difference Result 12673 states and 15639 transitions. [2020-10-29 06:52:09,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:52:09,124 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 237 [2020-10-29 06:52:09,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:52:09,166 INFO L225 Difference]: With dead ends: 12673 [2020-10-29 06:52:09,166 INFO L226 Difference]: Without dead ends: 7336 [2020-10-29 06:52:09,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:52:09,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7336 states. [2020-10-29 06:52:09,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7336 to 6711. [2020-10-29 06:52:09,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6711 states. [2020-10-29 06:52:09,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6711 states to 6711 states and 8128 transitions. [2020-10-29 06:52:09,371 INFO L78 Accepts]: Start accepts. Automaton has 6711 states and 8128 transitions. Word has length 237 [2020-10-29 06:52:09,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:52:09,372 INFO L481 AbstractCegarLoop]: Abstraction has 6711 states and 8128 transitions. [2020-10-29 06:52:09,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:52:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 6711 states and 8128 transitions. [2020-10-29 06:52:09,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-29 06:52:09,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:52:09,379 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:52:09,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:52:09,379 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:52:09,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:52:09,380 INFO L82 PathProgramCache]: Analyzing trace with hash 750519134, now seen corresponding path program 1 times [2020-10-29 06:52:09,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:52:09,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [869792893] [2020-10-29 06:52:09,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:52:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:09,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:09,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:10,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:11,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:11,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-29 06:52:11,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:52:11,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1836 [2020-10-29 06:52:11,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:11,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:11,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:11,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-29 06:52:11,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:52:11,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:11,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:52:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:11,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:11,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:11,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:52:11,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:11,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:52:11,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:11,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:11,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:11,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:11,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:52:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:11,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:11,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:11,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 06:52:11,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:11,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-29 06:52:11,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:11,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:52:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 06:52:11,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:11,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-29 06:52:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:11,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:11,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:11,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:52:11,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:11,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-29 06:52:11,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:11,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:52:11,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:52:12,111 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:52:12,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [869792893] [2020-10-29 06:52:12,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:52:12,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:52:12,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235140796] [2020-10-29 06:52:12,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:52:12,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:52:12,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:52:12,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:52:12,114 INFO L87 Difference]: Start difference. First operand 6711 states and 8128 transitions. Second operand 7 states. [2020-10-29 06:52:15,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:52:15,223 INFO L93 Difference]: Finished difference Result 12472 states and 15140 transitions. [2020-10-29 06:52:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:52:15,229 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 239 [2020-10-29 06:52:15,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:52:15,254 INFO L225 Difference]: With dead ends: 12472 [2020-10-29 06:52:15,254 INFO L226 Difference]: Without dead ends: 7505 [2020-10-29 06:52:15,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:52:15,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7505 states. [2020-10-29 06:52:15,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7505 to 7483. [2020-10-29 06:52:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7483 states. [2020-10-29 06:52:15,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7483 states to 7483 states and 8975 transitions. [2020-10-29 06:52:15,501 INFO L78 Accepts]: Start accepts. Automaton has 7483 states and 8975 transitions. Word has length 239 [2020-10-29 06:52:15,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:52:15,502 INFO L481 AbstractCegarLoop]: Abstraction has 7483 states and 8975 transitions. [2020-10-29 06:52:15,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:52:15,502 INFO L276 IsEmpty]: Start isEmpty. Operand 7483 states and 8975 transitions. [2020-10-29 06:52:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-29 06:52:15,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:52:15,507 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:52:15,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:52:15,508 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:52:15,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:52:15,509 INFO L82 PathProgramCache]: Analyzing trace with hash 507276266, now seen corresponding path program 1 times [2020-10-29 06:52:15,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:52:15,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610369539] [2020-10-29 06:52:15,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:52:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:15,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:16,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:16,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-29 06:52:16,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:16,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 498 [2020-10-29 06:52:16,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:16,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:16,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:16,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-29 06:52:16,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 06:52:16,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:16,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:52:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:16,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:16,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:16,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:52:16,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:16,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:52:16,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:16,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:16,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:16,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:16,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:16,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:16,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:52:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:16,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:16,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:16,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:52:16,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:16,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 06:52:16,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:16,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:16,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:16,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:16,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:16,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:16,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:52:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:16,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:16,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:16,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-29 06:52:16,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:16,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-29 06:52:16,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:16,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:16,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:52:16,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:16,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 06:52:16,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-29 06:52:16,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610369539] [2020-10-29 06:52:16,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:52:16,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:52:16,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607201813] [2020-10-29 06:52:16,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:52:16,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:52:16,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:52:16,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:52:16,546 INFO L87 Difference]: Start difference. First operand 7483 states and 8975 transitions. Second operand 6 states. [2020-10-29 06:52:20,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:52:20,632 INFO L93 Difference]: Finished difference Result 15946 states and 19276 transitions. [2020-10-29 06:52:20,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:52:20,633 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 245 [2020-10-29 06:52:20,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:52:20,664 INFO L225 Difference]: With dead ends: 15946 [2020-10-29 06:52:20,665 INFO L226 Difference]: Without dead ends: 8657 [2020-10-29 06:52:20,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:52:20,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8657 states. [2020-10-29 06:52:20,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8657 to 8247. [2020-10-29 06:52:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8247 states. [2020-10-29 06:52:20,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8247 states to 8247 states and 9901 transitions. [2020-10-29 06:52:20,863 INFO L78 Accepts]: Start accepts. Automaton has 8247 states and 9901 transitions. Word has length 245 [2020-10-29 06:52:20,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:52:20,864 INFO L481 AbstractCegarLoop]: Abstraction has 8247 states and 9901 transitions. [2020-10-29 06:52:20,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:52:20,864 INFO L276 IsEmpty]: Start isEmpty. Operand 8247 states and 9901 transitions. [2020-10-29 06:52:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-10-29 06:52:20,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:52:20,870 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:52:20,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 06:52:20,871 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:52:20,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:52:20,871 INFO L82 PathProgramCache]: Analyzing trace with hash 816656544, now seen corresponding path program 1 times [2020-10-29 06:52:20,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:52:20,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935410631] [2020-10-29 06:52:20,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:52:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:20,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:21,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:21,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:24,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:25,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:25,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-29 06:52:25,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:52:25,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4816 [2020-10-29 06:52:25,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:25,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:25,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:52:25,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:52:25,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 253 [2020-10-29 06:52:25,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:25,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:52:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:25,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:25,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:25,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:52:25,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:25,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 06:52:25,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:25,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:25,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:52:25,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:25,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:52:25,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:25,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:52:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:26,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:26,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:26,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-29 06:52:26,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:26,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-10-29 06:52:26,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:26,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:26,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-29 06:52:26,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:26,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-29 06:52:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:26,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:26,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:26,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:52:26,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:26,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-29 06:52:26,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:26,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:26,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:26,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:26,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:52:26,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:26,889 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 06:52:26,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935410631] [2020-10-29 06:52:26,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:52:26,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:52:26,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997466568] [2020-10-29 06:52:26,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:52:26,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:52:26,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:52:26,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:52:26,891 INFO L87 Difference]: Start difference. First operand 8247 states and 9901 transitions. Second operand 8 states. [2020-10-29 06:52:29,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:52:29,958 INFO L93 Difference]: Finished difference Result 15151 states and 18313 transitions. [2020-10-29 06:52:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 06:52:29,959 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 263 [2020-10-29 06:52:29,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:52:30,002 INFO L225 Difference]: With dead ends: 15151 [2020-10-29 06:52:30,002 INFO L226 Difference]: Without dead ends: 9030 [2020-10-29 06:52:30,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-10-29 06:52:30,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9030 states. [2020-10-29 06:52:30,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9030 to 8630. [2020-10-29 06:52:30,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8630 states. [2020-10-29 06:52:30,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8630 states to 8630 states and 10279 transitions. [2020-10-29 06:52:30,223 INFO L78 Accepts]: Start accepts. Automaton has 8630 states and 10279 transitions. Word has length 263 [2020-10-29 06:52:30,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:52:30,224 INFO L481 AbstractCegarLoop]: Abstraction has 8630 states and 10279 transitions. [2020-10-29 06:52:30,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:52:30,224 INFO L276 IsEmpty]: Start isEmpty. Operand 8630 states and 10279 transitions. [2020-10-29 06:52:30,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-29 06:52:30,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:52:30,233 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:52:30,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 06:52:30,233 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:52:30,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:52:30,234 INFO L82 PathProgramCache]: Analyzing trace with hash -120692501, now seen corresponding path program 1 times [2020-10-29 06:52:30,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:52:30,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655864281] [2020-10-29 06:52:30,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:52:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:30,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:30,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:31,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:31,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:31,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 314 [2020-10-29 06:52:31,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:52:31,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1471 [2020-10-29 06:52:31,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:31,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:52:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-29 06:52:31,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:31,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:52:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:31,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:31,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:31,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:52:31,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:31,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:52:31,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:31,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:31,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:31,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:31,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:31,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:31,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:52:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:32,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:32,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:32,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:52:32,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:32,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-29 06:52:32,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:32,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:32,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:52:32,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:32,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:52:32,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:32,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:52:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:32,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:32,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:32,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-29 06:52:32,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:32,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-29 06:52:32,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:32,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:32,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:32,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:32,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-29 06:52:32,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:32,713 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:52:32,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655864281] [2020-10-29 06:52:32,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:52:32,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:52:32,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407977866] [2020-10-29 06:52:32,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:52:32,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:52:32,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:52:32,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:52:32,715 INFO L87 Difference]: Start difference. First operand 8630 states and 10279 transitions. Second operand 8 states. [2020-10-29 06:52:36,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:52:36,731 INFO L93 Difference]: Finished difference Result 16476 states and 19720 transitions. [2020-10-29 06:52:36,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:52:36,732 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 300 [2020-10-29 06:52:36,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:52:36,761 INFO L225 Difference]: With dead ends: 16476 [2020-10-29 06:52:36,762 INFO L226 Difference]: Without dead ends: 10352 [2020-10-29 06:52:36,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:52:36,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10352 states. [2020-10-29 06:52:36,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10352 to 9008. [2020-10-29 06:52:36,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9008 states. [2020-10-29 06:52:36,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9008 states to 9008 states and 10574 transitions. [2020-10-29 06:52:36,958 INFO L78 Accepts]: Start accepts. Automaton has 9008 states and 10574 transitions. Word has length 300 [2020-10-29 06:52:36,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:52:36,959 INFO L481 AbstractCegarLoop]: Abstraction has 9008 states and 10574 transitions. [2020-10-29 06:52:36,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:52:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 9008 states and 10574 transitions. [2020-10-29 06:52:36,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-10-29 06:52:36,967 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:52:36,968 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:52:36,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 06:52:36,968 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:52:36,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:52:36,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1302195774, now seen corresponding path program 1 times [2020-10-29 06:52:36,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:52:36,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324041400] [2020-10-29 06:52:36,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:52:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:37,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:37,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:38,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:39,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:39,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-10-29 06:52:39,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:52:39,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2147 [2020-10-29 06:52:39,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:39,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-10-29 06:52:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:52:39,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:39,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:52:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:39,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:39,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:39,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:52:39,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:39,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:52:39,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:39,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:39,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:39,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:39,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:39,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:39,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:52:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:39,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:39,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:39,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:52:39,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:39,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 06:52:39,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:39,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:39,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:39,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:52:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:39,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:39,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:39,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 06:52:39,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:39,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 06:52:39,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:39,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:39,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:52:39,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:39,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 06:52:39,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:39,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-29 06:52:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:39,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:39,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:39,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:52:39,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:39,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-29 06:52:39,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:39,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:39,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:39,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:39,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:52:39,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:39,788 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-29 06:52:39,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1324041400] [2020-10-29 06:52:39,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:52:39,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:52:39,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332341941] [2020-10-29 06:52:39,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:52:39,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:52:39,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:52:39,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:52:39,790 INFO L87 Difference]: Start difference. First operand 9008 states and 10574 transitions. Second operand 7 states. [2020-10-29 06:52:43,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:52:43,130 INFO L93 Difference]: Finished difference Result 16126 states and 19062 transitions. [2020-10-29 06:52:43,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:52:43,132 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 304 [2020-10-29 06:52:43,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:52:43,157 INFO L225 Difference]: With dead ends: 16126 [2020-10-29 06:52:43,158 INFO L226 Difference]: Without dead ends: 9624 [2020-10-29 06:52:43,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:52:43,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9624 states. [2020-10-29 06:52:43,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9624 to 9584. [2020-10-29 06:52:43,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9584 states. [2020-10-29 06:52:43,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9584 states to 9584 states and 11267 transitions. [2020-10-29 06:52:43,360 INFO L78 Accepts]: Start accepts. Automaton has 9584 states and 11267 transitions. Word has length 304 [2020-10-29 06:52:43,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:52:43,361 INFO L481 AbstractCegarLoop]: Abstraction has 9584 states and 11267 transitions. [2020-10-29 06:52:43,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:52:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 9584 states and 11267 transitions. [2020-10-29 06:52:43,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-29 06:52:43,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:52:43,372 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:52:43,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 06:52:43,373 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:52:43,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:52:43,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1669001417, now seen corresponding path program 1 times [2020-10-29 06:52:43,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:52:43,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [758025471] [2020-10-29 06:52:43,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:52:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:43,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:43,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:43,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-29 06:52:43,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:43,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 459 [2020-10-29 06:52:43,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:43,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:43,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:43,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-29 06:52:43,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-10-29 06:52:43,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:44,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:52:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:44,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:44,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:44,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:52:44,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:44,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:52:44,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:44,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:44,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:44,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:44,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:44,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:44,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:52:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:44,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:44,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:44,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 06:52:44,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:44,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-29 06:52:44,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:44,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:52:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 06:52:44,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:44,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-29 06:52:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:44,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:44,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:44,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 06:52:44,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:44,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-29 06:52:44,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:44,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:44,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:44,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:44,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-29 06:52:44,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:44,812 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 160 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:52:44,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [758025471] [2020-10-29 06:52:44,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:52:44,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:52:44,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532233073] [2020-10-29 06:52:44,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:52:44,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:52:44,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:52:44,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:52:44,815 INFO L87 Difference]: Start difference. First operand 9584 states and 11267 transitions. Second operand 7 states. [2020-10-29 06:52:48,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:52:48,033 INFO L93 Difference]: Finished difference Result 19211 states and 22664 transitions. [2020-10-29 06:52:48,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:52:48,034 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 308 [2020-10-29 06:52:48,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:52:48,063 INFO L225 Difference]: With dead ends: 19211 [2020-10-29 06:52:48,063 INFO L226 Difference]: Without dead ends: 10011 [2020-10-29 06:52:48,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:52:48,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10011 states. [2020-10-29 06:52:48,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10011 to 9972. [2020-10-29 06:52:48,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9972 states. [2020-10-29 06:52:48,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9972 states to 9972 states and 11680 transitions. [2020-10-29 06:52:48,273 INFO L78 Accepts]: Start accepts. Automaton has 9972 states and 11680 transitions. Word has length 308 [2020-10-29 06:52:48,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:52:48,274 INFO L481 AbstractCegarLoop]: Abstraction has 9972 states and 11680 transitions. [2020-10-29 06:52:48,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:52:48,274 INFO L276 IsEmpty]: Start isEmpty. Operand 9972 states and 11680 transitions. [2020-10-29 06:52:48,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-29 06:52:48,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:52:48,283 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:52:48,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 06:52:48,284 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:52:48,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:52:48,284 INFO L82 PathProgramCache]: Analyzing trace with hash 317780706, now seen corresponding path program 1 times [2020-10-29 06:52:48,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:52:48,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773974921] [2020-10-29 06:52:48,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:52:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:48,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:48,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:48,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:50,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:51,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:51,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-29 06:52:51,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:52:51,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2637 [2020-10-29 06:52:51,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:51,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:51,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:51,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-29 06:52:51,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:52:51,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:51,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:52:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:51,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:51,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:51,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:52:51,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:51,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 06:52:51,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:51,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:51,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:51,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:51,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:51,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:51,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:52:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:51,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:51,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:51,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:52:51,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:51,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 06:52:51,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:51,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:51,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:51,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:51,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:51,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:51,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:52:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:51,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:51,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:51,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-29 06:52:51,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:51,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 06:52:51,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:51,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:51,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:52:51,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:51,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 06:52:51,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:51,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-29 06:52:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:51,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:51,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:51,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:52:51,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:51,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-29 06:52:51,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:51,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:51,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:51,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:51,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:52:51,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-29 06:52:51,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773974921] [2020-10-29 06:52:51,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:52:51,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:52:51,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653143224] [2020-10-29 06:52:51,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:52:51,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:52:51,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:52:51,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:52:51,799 INFO L87 Difference]: Start difference. First operand 9972 states and 11680 transitions. Second operand 7 states. [2020-10-29 06:52:55,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:52:55,414 INFO L93 Difference]: Finished difference Result 19434 states and 23013 transitions. [2020-10-29 06:52:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:52:55,415 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 319 [2020-10-29 06:52:55,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:52:55,442 INFO L225 Difference]: With dead ends: 19434 [2020-10-29 06:52:55,443 INFO L226 Difference]: Without dead ends: 10032 [2020-10-29 06:52:55,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:52:55,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10032 states. [2020-10-29 06:52:55,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10032 to 9951. [2020-10-29 06:52:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9951 states. [2020-10-29 06:52:55,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9951 states to 9951 states and 11449 transitions. [2020-10-29 06:52:55,711 INFO L78 Accepts]: Start accepts. Automaton has 9951 states and 11449 transitions. Word has length 319 [2020-10-29 06:52:55,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:52:55,712 INFO L481 AbstractCegarLoop]: Abstraction has 9951 states and 11449 transitions. [2020-10-29 06:52:55,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:52:55,712 INFO L276 IsEmpty]: Start isEmpty. Operand 9951 states and 11449 transitions. [2020-10-29 06:52:55,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-10-29 06:52:55,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:52:55,720 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:52:55,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 06:52:55,721 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:52:55,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:52:55,722 INFO L82 PathProgramCache]: Analyzing trace with hash -101082857, now seen corresponding path program 1 times [2020-10-29 06:52:55,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:52:55,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1652002581] [2020-10-29 06:52:55,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:52:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:55,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:56,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:57,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:57,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 354 [2020-10-29 06:52:57,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:52:57,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1964 [2020-10-29 06:52:57,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:57,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-10-29 06:52:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:52:57,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:57,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:52:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:57,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:57,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:57,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:52:57,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:57,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:52:57,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:57,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:57,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:57,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:52:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:57,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:57,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:57,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:52:57,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:57,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 06:52:57,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:57,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:57,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:57,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:52:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:58,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:58,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:58,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 06:52:58,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:58,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 06:52:58,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:58,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:52:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 06:52:58,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:58,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-29 06:52:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:58,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:58,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:58,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-29 06:52:58,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:58,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-29 06:52:58,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:58,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:58,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:58,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:58,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-29 06:52:58,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:58,317 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 223 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-29 06:52:58,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1652002581] [2020-10-29 06:52:58,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:52:58,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:52:58,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52747039] [2020-10-29 06:52:58,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:52:58,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:52:58,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:52:58,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:52:58,319 INFO L87 Difference]: Start difference. First operand 9951 states and 11449 transitions. Second operand 7 states. [2020-10-29 06:53:01,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:53:01,982 INFO L93 Difference]: Finished difference Result 18973 states and 22212 transitions. [2020-10-29 06:53:01,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:53:01,983 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 338 [2020-10-29 06:53:01,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:53:02,010 INFO L225 Difference]: With dead ends: 18973 [2020-10-29 06:53:02,010 INFO L226 Difference]: Without dead ends: 11335 [2020-10-29 06:53:02,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:53:02,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11335 states. [2020-10-29 06:53:02,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11335 to 11291. [2020-10-29 06:53:02,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11291 states. [2020-10-29 06:53:02,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11291 states to 11291 states and 12991 transitions. [2020-10-29 06:53:02,237 INFO L78 Accepts]: Start accepts. Automaton has 11291 states and 12991 transitions. Word has length 338 [2020-10-29 06:53:02,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:53:02,237 INFO L481 AbstractCegarLoop]: Abstraction has 11291 states and 12991 transitions. [2020-10-29 06:53:02,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:53:02,237 INFO L276 IsEmpty]: Start isEmpty. Operand 11291 states and 12991 transitions. [2020-10-29 06:53:02,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2020-10-29 06:53:02,248 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:53:02,248 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:53:02,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-29 06:53:02,248 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:53:02,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:53:02,249 INFO L82 PathProgramCache]: Analyzing trace with hash -981964442, now seen corresponding path program 1 times [2020-10-29 06:53:02,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:53:02,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105134803] [2020-10-29 06:53:02,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:53:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 06:53:02,334 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 06:53:02,334 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 06:53:02,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-29 06:53:02,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:53:02 BoogieIcfgContainer [2020-10-29 06:53:02,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:53:02,416 INFO L168 Benchmark]: Toolchain (without parser) took 109100.68 ms. Allocated memory was 151.0 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 130.8 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 194.7 MB. Max. memory is 8.0 GB. [2020-10-29 06:53:02,417 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:53:02,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1127.66 ms. Allocated memory is still 151.0 MB. Free memory was 130.3 MB in the beginning and 112.7 MB in the end (delta: 17.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. [2020-10-29 06:53:02,418 INFO L168 Benchmark]: Boogie Preprocessor took 172.27 ms. Allocated memory is still 151.0 MB. Free memory was 112.7 MB in the beginning and 104.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-29 06:53:02,418 INFO L168 Benchmark]: RCFGBuilder took 1965.39 ms. Allocated memory was 151.0 MB in the beginning and 207.6 MB in the end (delta: 56.6 MB). Free memory was 104.9 MB in the beginning and 104.9 MB in the end (delta: 19.1 kB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. [2020-10-29 06:53:02,419 INFO L168 Benchmark]: TraceAbstraction took 105820.22 ms. Allocated memory was 207.6 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 104.3 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 112.1 MB. Max. memory is 8.0 GB. [2020-10-29 06:53:02,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1127.66 ms. Allocated memory is still 151.0 MB. Free memory was 130.3 MB in the beginning and 112.7 MB in the end (delta: 17.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 172.27 ms. Allocated memory is still 151.0 MB. Free memory was 112.7 MB in the beginning and 104.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1965.39 ms. Allocated memory was 151.0 MB in the beginning and 207.6 MB in the end (delta: 56.6 MB). Free memory was 104.9 MB in the beginning and 104.9 MB in the end (delta: 19.1 kB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 105820.22 ms. Allocated memory was 207.6 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 104.3 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 112.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] int inputA = 1; [L10] int inputD = 4; [L11] int inputB = 2; [L12] int inputE = 5; [L13] int inputF = 6; [L14] int inputC = 3; [L17] int a29 = 130; [L18] int a4 = 1; [L19] int a23 = 312; [L20] int a8 = 15; [L21] int a25 = 10; [L22] int a3 = 1; [L1033] int output = -1; [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L242] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L249] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L256] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L262] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L267] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L270] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L277] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L282] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L289] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L296] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L301] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L319] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L324] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L331] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L336] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L342] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L348] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L355] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L360] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L367] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L372] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L379] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L386] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L393] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L400] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L413] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L419] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L424] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L431] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L438] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L445] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L452] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L458] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L465] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L472] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L479] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L489] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L502] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L509] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L516] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L528] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L533] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L539] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L544] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L551] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L557] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L563] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L568] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L574] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L577] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L583] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L588] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L600] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L605] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L617] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L623] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L630] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L637] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L644] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L649] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L660] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L665] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L672] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L677] COND FALSE !((((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15))) [L683] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L690] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L696] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L708] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15))) [L714] COND FALSE !(( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5)))))))) [L719] COND FALSE !(((( 277 < a29 && ((a8==15) && (((input == 6) && a23 <= -43 ) && (a25==13)))) && !(a4==1)) && (a3==1))) [L733] COND FALSE !(((a3==1) && (((!(a4==1) && ((( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))) && (input == 3))) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)))) [L740] COND FALSE !(((a3==1) && (( 306 < a23 && (((a4==1) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 1))) && a29 <= 140 )) && (a8==15)))) [L745] COND FALSE !((((( a23 <= -43 && ((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))))) && (a3==1)) && !(a4==1)) && (a8==15))) [L752] COND FALSE !(((!(a4==1) && (((a8==15) && ( a29 <= 140 && (((a25==10) || (a25==11)) && (input == 5)))) && a23 <= -43 )) && (a3==1))) [L759] COND FALSE !((((((a8==15) && ((a3==1) && ( a23 <= -43 && (input == 5)))) && !(a4==1)) && (a25==13)) && 277 < a29 )) [L771] COND FALSE !(((a8==15) && ((a3==1) && ( 306 < a23 && ((((((a25==11) || (a25==12)) || (a25==13)) && (input == 1)) && (a4==1)) && ((245 < a29) && (277 >= a29)) ))))) [L776] COND FALSE !((!(a4==1) && (((((((a25==12) || (a25==13)) && (input == 6)) && (a8==15)) && a23 <= -43 ) && (a3==1)) && a29 <= 140 ))) [L782] COND FALSE !(((a3==1) && (( a23 <= -43 && (((input == 6) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && !(a4==1))) && (a8==15)))) [L789] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 6)) && (a25==9))) && a29 <= 140 ) && (a3==1)) && (a8==15))) [L794] COND FALSE !((( a29 <= 140 && ((a3==1) && ((a8==15) && ((a25==13) && ( 306 < a23 && (input == 1)))))) && (a4==1))) [L801] COND FALSE !(((a3==1) && (((a8==15) && (((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 5)) && 306 < a23 )) && (a4==1)))) [L806] COND FALSE !((((((a8==15) && ((input == 4) && (( 277 < a29 && (a25==9)) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ( ((245 < a29) && (277 >= a29)) && (a25==13)))))) && !(a4==1)) && a23 <= -43 ) && (a3==1))) [L818] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (!(a4==1) && ((input == 5) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) )))))) && (a8==15)) && (a3==1))) [L824] COND FALSE !(( a29 <= 140 && ((((( 306 < a23 && (input == 2)) && (a25==13)) && (a4==1)) && (a3==1)) && (a8==15)))) [L827] COND FALSE !(((a8==15) && ((((a3==1) && ((((a25==10) || (a25==11)) && (input == 6)) && a29 <= 140 )) && a23 <= -43 ) && !(a4==1)))) [L833] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((a8==15) && (((a25==13) || ((a25==11) || (a25==12))) && (input == 4))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L838] COND FALSE !((((a3==1) && ((a8==15) && ((((a25==13) && (input == 4)) && (a4==1)) && a29 <= 140 ))) && 306 < a23 )) [L843] COND FALSE !((( 306 < a23 && ((a25==13) && ((((input == 3) && a29 <= 140 ) && (a3==1)) && (a4==1)))) && (a8==15))) [L848] COND FALSE !((!(a4==1) && (( 277 < a29 && ((((input == 4) && a23 <= -43 ) && (a8==15)) && (a3==1))) && (a25==13)))) [L854] COND FALSE !(((a3==1) && (((((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ) || (( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==12))) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13))))) && (input == 1)) && (a8==15)))) [L861] COND FALSE !(( 277 < a29 && ((a3==1) && ((a8==15) && ((a4==1) && ( 306 < a23 && ((input == 6) && (((a25==9) || (a25==10)) || (a25==11))))))))) [L867] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 4) && ((a25==12) || ((a25==10) || (a25==11))))) && (a8==15)) && !(a4==1)) && (a3==1)) && a29 <= 140 )) [L878] COND FALSE !(((((( a23 <= -43 && ((input == 5) && ((a25==12) || ((a25==10) || (a25==11))))) && (a3==1)) && !(a4==1)) && 277 < a29 ) && (a8==15))) [L883] COND FALSE !(((((a8==15) && ((a4==1) && (((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 2)))) && (a3==1)) && 306 < a23 )) [L888] COND FALSE !((( a23 <= -43 && ((( ((140 < a29) && (245 >= a29)) && ((input == 1) && (((a25==9) || (a25==10)) || (a25==11)))) && !(a4==1)) && (a8==15))) && (a3==1))) [L895] COND FALSE !(((((a3==1) && ((((input == 2) && ((a25==12) || ((a25==10) || (a25==11)))) && (a4==1)) && (a8==15))) && a29 <= 140 ) && 306 < a23 )) [L900] COND FALSE !((((((a3==1) && (((input == 1) && (((a25==9) || (a25==10)) || (a25==11))) && 277 < a29 )) && (a4==1)) && (a8==15)) && 306 < a23 )) [L905] COND FALSE !((((a3==1) && ( a23 <= -43 && ((a8==15) && ((input == 2) && (((a25==9) && 277 < a29 ) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) ))))))) && !(a4==1))) [L917] COND FALSE !((((((a8==15) && ((a4==1) && ((input == 4) && ((a25==9) || (a25==10))))) && 306 < a23 ) && (a3==1)) && ((140 < a29) && (245 >= a29)) )) [L929] COND FALSE !(((( 277 < a29 && ( a23 <= -43 && (((a25==13) && (input == 3)) && (a3==1)))) && (a8==15)) && !(a4==1))) [L934] COND FALSE !((((a8==15) && ( a23 <= -43 && (((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 2)) && !(a4==1)))) && (a3==1))) [L941] COND FALSE !((((a8==15) && ( 277 < a29 && (!(a4==1) && ( a23 <= -43 && ((((a25==10) || (a25==11)) || (a25==12)) && (input == 2)))))) && (a3==1))) [L955] COND FALSE !(((a3==1) && (( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((a25==9) && (!(a4==1) && (input == 3))))) && a29 <= 140 ))) [L960] COND FALSE !(((a4==1) && ( ((140 < a29) && (245 >= a29)) && ((a3==1) && ( 306 < a23 && (((input == 3) && ((a25==11) || (a25==12))) && (a8==15))))))) [L965] COND FALSE !((((a4==1) && ((a3==1) && ((a25==13) && ( 306 < a23 && ((input == 6) && (a8==15)))))) && a29 <= 140 )) [L971] COND FALSE !((((!(a4==1) && (((input == 6) && (((a25==9) && 277 < a29 ) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )))) && (a3==1))) && a23 <= -43 ) && (a8==15))) [L983] COND FALSE !(((a8==15) && (( a23 <= -43 && ( a29 <= 140 && (((input == 5) && ((a25==12) || (a25==13))) && !(a4==1)))) && (a3==1)))) [L990] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 3)) && (a3==1)) && (a8==15)) && (a4==1)) && 306 < a23 )) [L995] COND FALSE !((((a3==1) && ((((!(a4==1) && (input == 3)) && (a25==12)) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) && (a8==15))) [L1002] COND TRUE ( a29 <= 140 && ((a8==15) && ((a3==1) && (( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 5))) && (a4==1))))) [L1003] a29 = (((((a29 / 5) * 4) + 211235) % 15)- -260) [L1004] a25 = 10 [L1006] return 21; [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 TRUE ((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15)) [L709] a29 = ((((((a29 % 15)+ 248) + 12) * 5) % 15)- -247) [L710] a23 = ((((a23 % 83)- -151) + 459589) - 459544) [L711] a25 = 11 [L713] 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 FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND TRUE ((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15)) [L41] CALL reach_error() [L4] __assert_fail("0", "Problem11_label51.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: 105.6s, OverallIterations: 19, TraceHistogramMax: 4, AutomataDifference: 60.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 908 SDtfs, 10817 SDslu, 1562 SDs, 0 SdLazy, 26903 SolverSat, 3708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 301 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11291occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 18 MinimizatonAttempts, 3428 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 39.1s InterpolantComputationTime, 4234 NumberOfCodeBlocks, 4234 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3870 ConstructedInterpolants, 0 QuantifiedInterpolants, 4075986 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 1809/1991 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...