/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 11:59:14,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 11:59:14,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 11:59:14,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 11:59:14,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 11:59:14,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 11:59:14,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 11:59:14,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 11:59:15,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 11:59:15,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 11:59:15,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 11:59:15,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 11:59:15,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 11:59:15,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 11:59:15,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 11:59:15,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 11:59:15,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 11:59:15,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 11:59:15,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 11:59:15,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 11:59:15,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 11:59:15,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 11:59:15,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 11:59:15,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 11:59:15,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 11:59:15,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 11:59:15,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 11:59:15,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 11:59:15,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 11:59:15,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 11:59:15,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 11:59:15,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 11:59:15,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 11:59:15,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 11:59:15,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 11:59:15,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 11:59:15,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 11:59:15,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 11:59:15,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 11:59:15,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 11:59:15,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 11:59:15,086 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 11:59:15,135 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 11:59:15,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 11:59:15,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 11:59:15,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 11:59:15,141 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 11:59:15,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 11:59:15,142 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 11:59:15,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 11:59:15,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 11:59:15,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 11:59:15,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 11:59:15,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 11:59:15,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 11:59:15,144 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 11:59:15,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 11:59:15,145 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 11:59:15,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 11:59:15,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 11:59:15,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 11:59:15,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 11:59:15,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 11:59:15,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:59:15,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 11:59:15,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 11:59:15,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 11:59:15,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 11:59:15,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 11:59:15,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 11:59:15,148 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 11:59:15,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 11:59:15,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 11:59:15,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 11:59:15,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 11:59:15,629 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 11:59:15,630 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 11:59:15,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label24.c [2020-10-28 11:59:15,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7755c710c/a16de97fdd664c5786814965f8a035de/FLAGb80fb77ca [2020-10-28 11:59:16,413 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 11:59:16,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label24.c [2020-10-28 11:59:16,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7755c710c/a16de97fdd664c5786814965f8a035de/FLAGb80fb77ca [2020-10-28 11:59:16,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7755c710c/a16de97fdd664c5786814965f8a035de [2020-10-28 11:59:16,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 11:59:16,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 11:59:16,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 11:59:16,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 11:59:16,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 11:59:16,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:59:16" (1/1) ... [2020-10-28 11:59:16,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5d40e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:16, skipping insertion in model container [2020-10-28 11:59:16,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:59:16" (1/1) ... [2020-10-28 11:59:16,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 11:59:16,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 11:59:17,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:59:17,289 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 11:59:17,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:59:17,498 INFO L208 MainTranslator]: Completed translation [2020-10-28 11:59:17,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:17 WrapperNode [2020-10-28 11:59:17,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 11:59:17,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 11:59:17,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 11:59:17,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 11:59:17,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:17" (1/1) ... [2020-10-28 11:59:17,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:17" (1/1) ... [2020-10-28 11:59:17,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:17" (1/1) ... [2020-10-28 11:59:17,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:17" (1/1) ... [2020-10-28 11:59:17,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:17" (1/1) ... [2020-10-28 11:59:17,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:17" (1/1) ... [2020-10-28 11:59:17,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:17" (1/1) ... [2020-10-28 11:59:17,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 11:59:17,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 11:59:17,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 11:59:17,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 11:59:17,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:59:17,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 11:59:17,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 11:59:17,740 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 11:59:17,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 11:59:17,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 11:59:17,740 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 11:59:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 11:59:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 11:59:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 11:59:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 11:59:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 11:59:17,741 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 11:59:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 11:59:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 11:59:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 11:59:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 11:59:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 11:59:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 11:59:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 11:59:19,426 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 11:59:19,427 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 11:59:19,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:59:19 BoogieIcfgContainer [2020-10-28 11:59:19,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 11:59:19,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 11:59:19,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 11:59:19,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 11:59:19,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:59:16" (1/3) ... [2020-10-28 11:59:19,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37018587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:59:19, skipping insertion in model container [2020-10-28 11:59:19,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:17" (2/3) ... [2020-10-28 11:59:19,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37018587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:59:19, skipping insertion in model container [2020-10-28 11:59:19,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:59:19" (3/3) ... [2020-10-28 11:59:19,441 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label24.c [2020-10-28 11:59:19,455 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 11:59:19,461 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 11:59:19,482 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 11:59:19,514 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 11:59:19,515 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 11:59:19,515 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 11:59:19,515 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 11:59:19,515 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 11:59:19,515 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 11:59:19,515 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 11:59:19,516 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 11:59:19,540 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-28 11:59:19,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-28 11:59:19,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:19,548 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:19,549 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:19,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:19,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1807201742, now seen corresponding path program 1 times [2020-10-28 11:59:19,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:19,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383034804] [2020-10-28 11:59:19,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:19,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:20,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:20,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 11:59:20,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:20,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-10-28 11:59:20,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:20,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:20,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:59:20,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:59:20,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 11:59:20,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 11:59:20,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:20,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:20,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:20,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:20,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:20,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 11:59:20,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:20,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:20,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:20,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:20,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:59:20,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:59:20,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383034804] [2020-10-28 11:59:20,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:59:20,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 11:59:20,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599697266] [2020-10-28 11:59:20,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 11:59:20,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:20,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 11:59:20,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 11:59:20,448 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-28 11:59:22,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:22,319 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-28 11:59:22,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:59:22,321 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-10-28 11:59:22,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:22,336 INFO L225 Difference]: With dead ends: 586 [2020-10-28 11:59:22,337 INFO L226 Difference]: Without dead ends: 303 [2020-10-28 11:59:22,346 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 [2020-10-28 11:59:22,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-28 11:59:22,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-28 11:59:22,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-28 11:59:22,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2020-10-28 11:59:22,421 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 21 [2020-10-28 11:59:22,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:22,422 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2020-10-28 11:59:22,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 11:59:22,422 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2020-10-28 11:59:22,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-28 11:59:22,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:22,427 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:22,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 11:59:22,428 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:22,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:22,428 INFO L82 PathProgramCache]: Analyzing trace with hash 2103227795, now seen corresponding path program 1 times [2020-10-28 11:59:22,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:22,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387377613] [2020-10-28 11:59:22,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:22,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:22,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:23,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:23,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:23,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-28 11:59:23,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:59:23,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1091 [2020-10-28 11:59:23,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:23,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:59:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:59:23,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 11:59:23,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:23,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:23,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:23,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:23,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:23,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:23,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 11:59:23,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:23,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:23,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:23,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:59:23,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 23 [2020-10-28 11:59:23,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:23,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:23,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:23,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:59:23,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:23,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-28 11:59:23,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:23,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:23,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:23,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:23,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 11:59:23,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:24,054 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:59:24,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387377613] [2020-10-28 11:59:24,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:59:24,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 11:59:24,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681430847] [2020-10-28 11:59:24,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:24,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:24,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:24,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:24,062 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand 7 states. [2020-10-28 11:59:25,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:25,758 INFO L93 Difference]: Finished difference Result 743 states and 1055 transitions. [2020-10-28 11:59:25,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 11:59:25,760 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-10-28 11:59:25,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:25,765 INFO L225 Difference]: With dead ends: 743 [2020-10-28 11:59:25,765 INFO L226 Difference]: Without dead ends: 452 [2020-10-28 11:59:25,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-28 11:59:25,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2020-10-28 11:59:25,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 448. [2020-10-28 11:59:25,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2020-10-28 11:59:25,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 604 transitions. [2020-10-28 11:59:25,812 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 604 transitions. Word has length 93 [2020-10-28 11:59:25,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:25,815 INFO L481 AbstractCegarLoop]: Abstraction has 448 states and 604 transitions. [2020-10-28 11:59:25,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:25,816 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 604 transitions. [2020-10-28 11:59:25,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-28 11:59:25,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:25,820 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:25,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 11:59:25,821 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:25,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:25,822 INFO L82 PathProgramCache]: Analyzing trace with hash 831452589, now seen corresponding path program 1 times [2020-10-28 11:59:25,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:25,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1046337628] [2020-10-28 11:59:25,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:25,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:26,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:26,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 11:59:26,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:26,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-28 11:59:26,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:26,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:26,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:26,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:59:26,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 11:59:26,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:26,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:26,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:26,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:26,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:26,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:26,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 11:59:26,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:26,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:26,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:26,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:26,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:26,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:26,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:26,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:26,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:59:26,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:26,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-28 11:59:26,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:26,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:26,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:26,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:26,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:59:26,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:26,613 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:59:26,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1046337628] [2020-10-28 11:59:26,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:26,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:59:26,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334258711] [2020-10-28 11:59:26,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:59:26,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:26,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:59:26,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:59:26,625 INFO L87 Difference]: Start difference. First operand 448 states and 604 transitions. Second operand 5 states. [2020-10-28 11:59:28,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:28,079 INFO L93 Difference]: Finished difference Result 600 states and 844 transitions. [2020-10-28 11:59:28,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:59:28,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2020-10-28 11:59:28,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:28,085 INFO L225 Difference]: With dead ends: 600 [2020-10-28 11:59:28,086 INFO L226 Difference]: Without dead ends: 597 [2020-10-28 11:59:28,086 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 [2020-10-28 11:59:28,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-28 11:59:28,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 595. [2020-10-28 11:59:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-10-28 11:59:28,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 837 transitions. [2020-10-28 11:59:28,132 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 837 transitions. Word has length 100 [2020-10-28 11:59:28,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:28,132 INFO L481 AbstractCegarLoop]: Abstraction has 595 states and 837 transitions. [2020-10-28 11:59:28,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:59:28,133 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 837 transitions. [2020-10-28 11:59:28,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-28 11:59:28,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:28,136 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 11:59:28,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 11:59:28,137 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:28,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:28,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1030840199, now seen corresponding path program 1 times [2020-10-28 11:59:28,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:28,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911726925] [2020-10-28 11:59:28,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:28,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:28,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:28,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:28,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-28 11:59:28,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:28,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 728 [2020-10-28 11:59:28,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:28,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:28,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:59:28,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:59:28,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 11:59:28,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:29,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:29,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:29,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:29,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:29,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:29,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 11:59:29,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:29,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:59:29,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:29,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:29,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:29,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:29,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 11:59:29,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:29,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-28 11:59:29,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:29,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-28 11:59:29,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:29,404 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:59:29,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911726925] [2020-10-28 11:59:29,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:59:29,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 11:59:29,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230648213] [2020-10-28 11:59:29,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:29,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:29,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:29,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:29,407 INFO L87 Difference]: Start difference. First operand 595 states and 837 transitions. Second operand 7 states. [2020-10-28 11:59:31,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:31,216 INFO L93 Difference]: Finished difference Result 1508 states and 2255 transitions. [2020-10-28 11:59:31,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 11:59:31,217 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 119 [2020-10-28 11:59:31,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:31,226 INFO L225 Difference]: With dead ends: 1508 [2020-10-28 11:59:31,226 INFO L226 Difference]: Without dead ends: 1062 [2020-10-28 11:59:31,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:59:31,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2020-10-28 11:59:31,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 891. [2020-10-28 11:59:31,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2020-10-28 11:59:31,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1160 transitions. [2020-10-28 11:59:31,283 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1160 transitions. Word has length 119 [2020-10-28 11:59:31,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:31,284 INFO L481 AbstractCegarLoop]: Abstraction has 891 states and 1160 transitions. [2020-10-28 11:59:31,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1160 transitions. [2020-10-28 11:59:31,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-28 11:59:31,289 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:31,290 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:31,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 11:59:31,290 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:31,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:31,291 INFO L82 PathProgramCache]: Analyzing trace with hash -345010492, now seen corresponding path program 1 times [2020-10-28 11:59:31,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:31,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406902975] [2020-10-28 11:59:31,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:31,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:31,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:31,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-28 11:59:31,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:31,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-10-28 11:59:31,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:31,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:31,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:59:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:59:31,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:31,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:31,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:31,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:31,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:31,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:31,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 11:59:31,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:31,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:31,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:31,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:31,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:31,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:31,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:32,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:32,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:32,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:59:32,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:32,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-28 11:59:32,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:32,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:32,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:32,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:32,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:59:32,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:32,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:59:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:32,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:32,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:32,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:59:32,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:32,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-28 11:59:32,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:32,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:32,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:32,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:32,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:59:32,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:59:32,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406902975] [2020-10-28 11:59:32,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:32,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:32,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364597727] [2020-10-28 11:59:32,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:32,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:32,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:32,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:32,397 INFO L87 Difference]: Start difference. First operand 891 states and 1160 transitions. Second operand 7 states. [2020-10-28 11:59:34,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:34,277 INFO L93 Difference]: Finished difference Result 2098 states and 2930 transitions. [2020-10-28 11:59:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:59:34,278 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 173 [2020-10-28 11:59:34,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:34,287 INFO L225 Difference]: With dead ends: 2098 [2020-10-28 11:59:34,287 INFO L226 Difference]: Without dead ends: 1356 [2020-10-28 11:59:34,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:59:34,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2020-10-28 11:59:34,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1338. [2020-10-28 11:59:34,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1338 states. [2020-10-28 11:59:34,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1804 transitions. [2020-10-28 11:59:34,347 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1804 transitions. Word has length 173 [2020-10-28 11:59:34,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:34,347 INFO L481 AbstractCegarLoop]: Abstraction has 1338 states and 1804 transitions. [2020-10-28 11:59:34,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:34,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1804 transitions. [2020-10-28 11:59:34,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-28 11:59:34,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:34,353 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:34,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 11:59:34,354 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:34,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:34,354 INFO L82 PathProgramCache]: Analyzing trace with hash 746778222, now seen corresponding path program 1 times [2020-10-28 11:59:34,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:34,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1989733035] [2020-10-28 11:59:34,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:34,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:34,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:34,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:35,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:36,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:36,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-28 11:59:36,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:59:36,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1884 [2020-10-28 11:59:36,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:36,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:36,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:36,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:59:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-28 11:59:36,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:36,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:36,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:36,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:36,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:36,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:36,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:59:36,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:36,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:36,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:36,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:36,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:36,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:36,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:36,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:36,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:59:36,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:36,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 11:59:36,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:36,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:36,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:36,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:36,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:59:36,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:36,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 11:59:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:36,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:36,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:36,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-28 11:59:36,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:36,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-28 11:59:36,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:36,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-28 11:59:36,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:36,996 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:59:36,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1989733035] [2020-10-28 11:59:36,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:36,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:36,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938342348] [2020-10-28 11:59:37,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:37,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:37,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:37,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:37,009 INFO L87 Difference]: Start difference. First operand 1338 states and 1804 transitions. Second operand 7 states. [2020-10-28 11:59:39,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:39,003 INFO L93 Difference]: Finished difference Result 2935 states and 4427 transitions. [2020-10-28 11:59:39,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:59:39,004 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 220 [2020-10-28 11:59:39,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:39,018 INFO L225 Difference]: With dead ends: 2935 [2020-10-28 11:59:39,018 INFO L226 Difference]: Without dead ends: 1277 [2020-10-28 11:59:39,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:59:39,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2020-10-28 11:59:39,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1193. [2020-10-28 11:59:39,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-10-28 11:59:39,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1515 transitions. [2020-10-28 11:59:39,098 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1515 transitions. Word has length 220 [2020-10-28 11:59:39,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:39,099 INFO L481 AbstractCegarLoop]: Abstraction has 1193 states and 1515 transitions. [2020-10-28 11:59:39,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:39,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1515 transitions. [2020-10-28 11:59:39,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-10-28 11:59:39,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:39,105 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:39,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 11:59:39,108 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:39,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:39,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1301382879, now seen corresponding path program 1 times [2020-10-28 11:59:39,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:39,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748787350] [2020-10-28 11:59:39,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:39,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:39,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:40,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:40,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-28 11:59:40,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:40,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1750 [2020-10-28 11:59:40,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:40,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:40,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:40,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 159 [2020-10-28 11:59:40,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:59:40,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:41,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:41,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:41,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:41,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:41,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:41,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 11:59:41,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:41,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:41,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:41,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:41,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:41,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:41,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:41,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:59:41,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:41,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 11:59:41,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:41,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:41,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:41,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:59:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:41,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:41,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:41,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:59:41,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:41,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 11:59:41,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:41,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:41,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:41,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:41,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 11:59:41,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 11:59:41,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 11:59:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:41,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:41,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:41,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:59:41,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:41,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-28 11:59:41,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:41,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:59:41,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:41,731 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 185 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-28 11:59:41,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748787350] [2020-10-28 11:59:41,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:41,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:41,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292160969] [2020-10-28 11:59:41,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:41,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:41,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:41,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:41,735 INFO L87 Difference]: Start difference. First operand 1193 states and 1515 transitions. Second operand 7 states. [2020-10-28 11:59:43,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:43,542 INFO L93 Difference]: Finished difference Result 2551 states and 3368 transitions. [2020-10-28 11:59:43,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:59:43,545 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 250 [2020-10-28 11:59:43,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:43,555 INFO L225 Difference]: With dead ends: 2551 [2020-10-28 11:59:43,555 INFO L226 Difference]: Without dead ends: 1507 [2020-10-28 11:59:43,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:59:43,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2020-10-28 11:59:43,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1346. [2020-10-28 11:59:43,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1346 states. [2020-10-28 11:59:43,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1698 transitions. [2020-10-28 11:59:43,613 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1698 transitions. Word has length 250 [2020-10-28 11:59:43,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:43,614 INFO L481 AbstractCegarLoop]: Abstraction has 1346 states and 1698 transitions. [2020-10-28 11:59:43,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:43,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1698 transitions. [2020-10-28 11:59:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-28 11:59:43,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:43,620 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:43,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 11:59:43,620 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:43,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:43,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1057558837, now seen corresponding path program 1 times [2020-10-28 11:59:43,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:43,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [402559431] [2020-10-28 11:59:43,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:43,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:44,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:44,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:44,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-28 11:59:44,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:44,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1302 [2020-10-28 11:59:44,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:44,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:44,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:44,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:59:44,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-28 11:59:44,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:45,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:45,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:45,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:45,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:45,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:45,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:59:45,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:45,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:45,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:45,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:45,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:45,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:45,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:59:45,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:45,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 11:59:45,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:45,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:45,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:45,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:45,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:59:45,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:45,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:59:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:45,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:45,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:45,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:59:45,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:45,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-28 11:59:45,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:45,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:45,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 11:59:45,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:45,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-28 11:59:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:45,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:45,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:45,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:59:45,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:45,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 11:59:45,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:45,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:45,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:45,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:59:45,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:45,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 110 proven. 81 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-28 11:59:45,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [402559431] [2020-10-28 11:59:45,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:45,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:45,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736870189] [2020-10-28 11:59:45,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:45,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:45,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:45,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:45,612 INFO L87 Difference]: Start difference. First operand 1346 states and 1698 transitions. Second operand 7 states. [2020-10-28 11:59:47,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:47,455 INFO L93 Difference]: Finished difference Result 2853 states and 3685 transitions. [2020-10-28 11:59:47,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:59:47,456 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 260 [2020-10-28 11:59:47,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:47,466 INFO L225 Difference]: With dead ends: 2853 [2020-10-28 11:59:47,467 INFO L226 Difference]: Without dead ends: 1656 [2020-10-28 11:59:47,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:59:47,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2020-10-28 11:59:47,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1497. [2020-10-28 11:59:47,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1497 states. [2020-10-28 11:59:47,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 1876 transitions. [2020-10-28 11:59:47,527 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 1876 transitions. Word has length 260 [2020-10-28 11:59:47,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:47,527 INFO L481 AbstractCegarLoop]: Abstraction has 1497 states and 1876 transitions. [2020-10-28 11:59:47,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:47,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1876 transitions. [2020-10-28 11:59:47,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-10-28 11:59:47,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:47,535 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:47,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 11:59:47,535 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:47,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:47,536 INFO L82 PathProgramCache]: Analyzing trace with hash 359881551, now seen corresponding path program 1 times [2020-10-28 11:59:47,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:47,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477062980] [2020-10-28 11:59:47,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:47,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:47,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:49,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:49,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 321 [2020-10-28 11:59:49,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:49,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2129 [2020-10-28 11:59:49,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:49,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 11:59:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-28 11:59:49,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:49,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:49,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:49,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:49,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:49,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:49,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:59:49,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:49,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:49,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:49,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:49,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:50,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:50,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:59:50,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:50,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-28 11:59:50,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:50,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:50,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:50,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:50,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 11:59:50,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:50,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:59:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:50,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:50,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:50,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:59:50,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:50,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-28 11:59:50,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:50,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:50,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:50,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:50,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 11:59:50,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:50,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-28 11:59:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:50,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:50,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:50,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:59:50,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:50,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 11:59:50,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:50,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:50,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:50,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:59:50,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:50,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:50,590 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 127 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-28 11:59:50,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477062980] [2020-10-28 11:59:50,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:50,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:50,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051889689] [2020-10-28 11:59:50,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:50,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:50,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:50,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:50,600 INFO L87 Difference]: Start difference. First operand 1497 states and 1876 transitions. Second operand 7 states. [2020-10-28 11:59:52,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:52,467 INFO L93 Difference]: Finished difference Result 3300 states and 4211 transitions. [2020-10-28 11:59:52,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:59:52,467 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 305 [2020-10-28 11:59:52,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:52,479 INFO L225 Difference]: With dead ends: 3300 [2020-10-28 11:59:52,479 INFO L226 Difference]: Without dead ends: 1952 [2020-10-28 11:59:52,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-28 11:59:52,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2020-10-28 11:59:52,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1948. [2020-10-28 11:59:52,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2020-10-28 11:59:52,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2399 transitions. [2020-10-28 11:59:52,555 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2399 transitions. Word has length 305 [2020-10-28 11:59:52,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:52,556 INFO L481 AbstractCegarLoop]: Abstraction has 1948 states and 2399 transitions. [2020-10-28 11:59:52,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:52,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2399 transitions. [2020-10-28 11:59:52,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-10-28 11:59:52,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:52,565 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:52,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 11:59:52,565 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:52,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:52,566 INFO L82 PathProgramCache]: Analyzing trace with hash 915966133, now seen corresponding path program 1 times [2020-10-28 11:59:52,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:52,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1925084876] [2020-10-28 11:59:52,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:52,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:53,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:53,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-28 11:59:53,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:53,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 606 [2020-10-28 11:59:53,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:53,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:53,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:53,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 233 [2020-10-28 11:59:53,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:59:53,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:53,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:53,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:53,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:53,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:53,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:53,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:59:53,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:53,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:53,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:53,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:53,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:53,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:53,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:53,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:53,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:53,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 11:59:53,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:53,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 11:59:53,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:53,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:53,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:53,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 11:59:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:53,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:53,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:53,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:59:53,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:53,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-28 11:59:53,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:53,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:53,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:53,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:53,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-28 11:59:53,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 11:59:53,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 11:59:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:53,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:53,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:53,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:59:53,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:53,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-28 11:59:53,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:53,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:53,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:53,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:53,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:59:53,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:53,999 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-28 11:59:53,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1925084876] [2020-10-28 11:59:54,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:54,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:54,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849011380] [2020-10-28 11:59:54,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:54,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:54,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:54,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:54,002 INFO L87 Difference]: Start difference. First operand 1948 states and 2399 transitions. Second operand 7 states. [2020-10-28 11:59:56,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:56,127 INFO L93 Difference]: Finished difference Result 4633 states and 5816 transitions. [2020-10-28 11:59:56,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 11:59:56,128 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 324 [2020-10-28 11:59:56,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:56,143 INFO L225 Difference]: With dead ends: 4633 [2020-10-28 11:59:56,143 INFO L226 Difference]: Without dead ends: 2834 [2020-10-28 11:59:56,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-28 11:59:56,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2020-10-28 11:59:56,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 2679. [2020-10-28 11:59:56,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2679 states. [2020-10-28 11:59:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 3201 transitions. [2020-10-28 11:59:56,240 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 3201 transitions. Word has length 324 [2020-10-28 11:59:56,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:56,241 INFO L481 AbstractCegarLoop]: Abstraction has 2679 states and 3201 transitions. [2020-10-28 11:59:56,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:56,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 3201 transitions. [2020-10-28 11:59:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-10-28 11:59:56,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:56,253 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 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] [2020-10-28 11:59:56,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 11:59:56,253 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:56,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:56,254 INFO L82 PathProgramCache]: Analyzing trace with hash 559936917, now seen corresponding path program 1 times [2020-10-28 11:59:56,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:56,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1212470367] [2020-10-28 11:59:56,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:56,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:56,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:56,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-10-28 11:59:56,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 534 [2020-10-28 11:59:56,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:56,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:56,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:56,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 242 [2020-10-28 11:59:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:59:56,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:56,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:56,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:56,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:56,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:56,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:56,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 11:59:56,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:56,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:56,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:56,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:57,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:57,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:57,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 11:59:57,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:57,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 11:59:57,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:57,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:57,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:57,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:57,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:57,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:57,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 11:59:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:57,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:57,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:57,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 11:59:57,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:57,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-28 11:59:57,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:57,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-28 11:59:57,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:57,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-28 11:59:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:57,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:57,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:57,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:59:57,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:57,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-28 11:59:57,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:57,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:59:57,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-28 11:59:57,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1212470367] [2020-10-28 11:59:57,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:57,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:57,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263571074] [2020-10-28 11:59:57,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:57,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:57,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:57,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:57,685 INFO L87 Difference]: Start difference. First operand 2679 states and 3201 transitions. Second operand 7 states. [2020-10-28 11:59:59,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:59,582 INFO L93 Difference]: Finished difference Result 6081 states and 7386 transitions. [2020-10-28 11:59:59,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:59:59,583 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 333 [2020-10-28 11:59:59,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:59,600 INFO L225 Difference]: With dead ends: 6081 [2020-10-28 11:59:59,600 INFO L226 Difference]: Without dead ends: 3551 [2020-10-28 11:59:59,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:59:59,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3551 states. [2020-10-28 11:59:59,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3551 to 3259. [2020-10-28 11:59:59,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3259 states. [2020-10-28 11:59:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 3259 states and 3958 transitions. [2020-10-28 11:59:59,713 INFO L78 Accepts]: Start accepts. Automaton has 3259 states and 3958 transitions. Word has length 333 [2020-10-28 11:59:59,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:59,714 INFO L481 AbstractCegarLoop]: Abstraction has 3259 states and 3958 transitions. [2020-10-28 11:59:59,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:59,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3259 states and 3958 transitions. [2020-10-28 11:59:59,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-28 11:59:59,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:59,726 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 11:59:59,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 11:59:59,726 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:59,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:59,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1741300453, now seen corresponding path program 1 times [2020-10-28 11:59:59,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:59,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860110954] [2020-10-28 11:59:59,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:59,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:00,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:00,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:03,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:03,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 359 [2020-10-28 12:00:03,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:00:03,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3307 [2020-10-28 12:00:03,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:03,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:00:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 12:00:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 212 [2020-10-28 12:00:03,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:03,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:03,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:03,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:03,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:03,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:03,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:00:03,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:03,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:03,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:03,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:03,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:03,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:03,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:03,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:03,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:03,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 12:00:03,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:03,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-28 12:00:03,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:03,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:03,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:03,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:03,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 12:00:03,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:03,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 12:00:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:03,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:03,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:03,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:03,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 12:00:03,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:00:03,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-28 12:00:03,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:03,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:03,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:03,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:03,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 12:00:03,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:03,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-28 12:00:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:03,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:03,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:03,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-28 12:00:03,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:03,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-28 12:00:03,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:03,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:03,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:03,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:03,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-28 12:00:03,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:04,039 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 233 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-28 12:00:04,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860110954] [2020-10-28 12:00:04,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:04,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:00:04,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835463779] [2020-10-28 12:00:04,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:00:04,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:04,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:00:04,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:00:04,042 INFO L87 Difference]: Start difference. First operand 3259 states and 3958 transitions. Second operand 7 states. [2020-10-28 12:00:05,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:05,799 INFO L93 Difference]: Finished difference Result 6373 states and 7771 transitions. [2020-10-28 12:00:05,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:00:05,800 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 343 [2020-10-28 12:00:05,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:05,816 INFO L225 Difference]: With dead ends: 6373 [2020-10-28 12:00:05,817 INFO L226 Difference]: Without dead ends: 3263 [2020-10-28 12:00:05,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:00:05,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3263 states. [2020-10-28 12:00:05,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3263 to 3259. [2020-10-28 12:00:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3259 states. [2020-10-28 12:00:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 3259 states and 3857 transitions. [2020-10-28 12:00:05,929 INFO L78 Accepts]: Start accepts. Automaton has 3259 states and 3857 transitions. Word has length 343 [2020-10-28 12:00:05,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:05,930 INFO L481 AbstractCegarLoop]: Abstraction has 3259 states and 3857 transitions. [2020-10-28 12:00:05,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:00:05,930 INFO L276 IsEmpty]: Start isEmpty. Operand 3259 states and 3857 transitions. [2020-10-28 12:00:05,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-10-28 12:00:05,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:05,942 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:00:05,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 12:00:05,943 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:05,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:05,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1175148761, now seen corresponding path program 1 times [2020-10-28 12:00:05,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:05,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2136182196] [2020-10-28 12:00:05,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:06,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:06,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:06,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 377 [2020-10-28 12:00:06,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:06,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 559 [2020-10-28 12:00:06,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:06,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:06,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:06,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-28 12:00:06,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 12:00:06,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:06,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:06,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:06,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:06,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:06,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:06,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:00:06,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:06,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:06,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:06,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:06,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:06,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:06,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:06,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:06,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:06,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 12:00:06,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:06,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 12:00:06,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:06,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:06,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:06,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:06,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:06,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:06,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 12:00:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:06,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:06,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:06,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 12:00:06,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:06,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 12:00:06,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:06,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:06,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:06,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:06,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-28 12:00:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:06,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:07,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:07,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-28 12:00:07,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:07,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-28 12:00:07,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:07,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:07,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:07,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-28 12:00:07,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:07,178 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2020-10-28 12:00:07,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2136182196] [2020-10-28 12:00:07,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:07,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:00:07,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711502210] [2020-10-28 12:00:07,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:00:07,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:07,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:00:07,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:00:07,182 INFO L87 Difference]: Start difference. First operand 3259 states and 3857 transitions. Second operand 5 states. [2020-10-28 12:00:08,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:08,743 INFO L93 Difference]: Finished difference Result 7241 states and 8706 transitions. [2020-10-28 12:00:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:00:08,743 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 361 [2020-10-28 12:00:08,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:08,763 INFO L225 Difference]: With dead ends: 7241 [2020-10-28 12:00:08,763 INFO L226 Difference]: Without dead ends: 4131 [2020-10-28 12:00:08,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:00:08,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4131 states. [2020-10-28 12:00:08,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4131 to 3988. [2020-10-28 12:00:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3988 states. [2020-10-28 12:00:08,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 3988 states and 4713 transitions. [2020-10-28 12:00:08,904 INFO L78 Accepts]: Start accepts. Automaton has 3988 states and 4713 transitions. Word has length 361 [2020-10-28 12:00:08,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:08,906 INFO L481 AbstractCegarLoop]: Abstraction has 3988 states and 4713 transitions. [2020-10-28 12:00:08,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:00:08,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3988 states and 4713 transitions. [2020-10-28 12:00:08,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-10-28 12:00:08,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:08,918 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:00:08,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 12:00:08,918 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:08,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:08,919 INFO L82 PathProgramCache]: Analyzing trace with hash 779715111, now seen corresponding path program 1 times [2020-10-28 12:00:08,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:08,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749398370] [2020-10-28 12:00:08,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 12:00:09,026 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 12:00:09,027 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 12:00:09,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 12:00:09,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 12:00:09 BoogieIcfgContainer [2020-10-28 12:00:09,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 12:00:09,084 INFO L168 Benchmark]: Toolchain (without parser) took 52396.78 ms. Allocated memory was 151.0 MB in the beginning and 1.0 GB in the end (delta: 891.3 MB). Free memory was 124.0 MB in the beginning and 915.9 MB in the end (delta: -791.9 MB). Peak memory consumption was 99.7 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:09,085 INFO L168 Benchmark]: CDTParser took 0.20 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. [2020-10-28 12:00:09,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.90 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 129.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:09,086 INFO L168 Benchmark]: Boogie Preprocessor took 157.11 ms. Allocated memory is still 151.0 MB. Free memory was 129.0 MB in the beginning and 124.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:09,087 INFO L168 Benchmark]: RCFGBuilder took 1770.18 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 103.4 MB in the end (delta: 20.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:09,087 INFO L168 Benchmark]: TraceAbstraction took 49649.29 ms. Allocated memory was 151.0 MB in the beginning and 1.0 GB in the end (delta: 891.3 MB). Free memory was 102.9 MB in the beginning and 915.9 MB in the end (delta: -813.0 MB). Peak memory consumption was 78.3 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:09,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 802.90 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 129.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 157.11 ms. Allocated memory is still 151.0 MB. Free memory was 129.0 MB in the beginning and 124.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1770.18 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 103.4 MB in the end (delta: 20.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 49649.29 ms. Allocated memory was 151.0 MB in the beginning and 1.0 GB in the end (delta: 891.3 MB). Free memory was 102.9 MB in the beginning and 915.9 MB in the end (delta: -813.0 MB). Peak memory consumption was 78.3 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 inputC = 3; [L10] int inputD = 4; [L11] int inputE = 5; [L12] int inputF = 6; [L13] int inputB = 2; [L16] int a1 = 23; [L17] int a19 = 9; [L18] int a10 = 0; [L19] int a12 = 0; [L20] int a4 = 14; [L581] int output = -1; [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL, EXPR calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L62] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L65] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L68] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L71] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L74] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L77] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L80] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L83] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L86] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L89] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L92] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L95] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L98] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L101] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L104] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L107] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L110] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L113] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L116] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L119] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L122] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L125] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L128] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L131] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L134] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L137] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L140] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L143] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L146] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L149] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L152] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L155] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L158] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L161] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L164] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L167] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L170] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L173] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L176] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L179] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L182] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L185] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L188] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L191] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L194] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L197] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L200] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L203] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L207] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L212] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L217] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L222] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L227] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L233] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L238] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L241] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L246] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L251] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L256] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L262] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L267] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L273] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L279] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L285] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L288] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L293] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L298] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L303] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L308] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L314] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L319] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L322] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L325] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L328] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L331] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L337] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L342] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L347] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L353] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L356] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L359] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L362] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L367] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L372] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L377] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L380] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L385] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L390] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L395] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L400] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L405] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L410] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L416] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L421] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L427] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L432] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L438] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L444] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L450] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L456] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L462] COND FALSE !(((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0))))) [L467] COND FALSE !(((a10==0) && ((a12==0) && ((((input == 5) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a4==14))))) [L473] COND FALSE !(( 218 < a1 && (((((input == 3) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10)))) [L478] COND FALSE !((((a12==0) && ((a19==9) && (((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a4==14)))) && (a10==3))) [L483] COND FALSE !((((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10))) [L489] COND FALSE !((((a19==10) && ((a10==1) && ((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (input == 5))))) && (a4==14))) [L495] COND FALSE !(((((a10==1) && (((input == 5) && 218 < a1 ) && (a4==14))) && (a19==10)) && (a12==0))) [L501] COND FALSE !((((a4==14) && ((a19==9) && ((input == 2) && (((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 ))))) && (a12==0))) [L506] COND FALSE !((((a4==14) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 2))) && (a12==0))) && (a10==4))) [L511] COND FALSE !(((a4==14) && (((a19==9) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 6)) && (a10==3))) && (a12==0)))) [L516] COND FALSE !((((a4==14) && ((((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a12==0))) && (a10==0))) [L519] COND FALSE !(((a12==0) && ((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 2)) && (a19==10))))) [L525] COND FALSE !((((a12==0) && ((a19==9) && ((a10==2) && ((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))))) && (a4==14))) [L528] COND FALSE !(((a4==14) && ((a19==9) && ((a12==0) && (((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)))))) [L531] COND FALSE !(((a19==9) && (((a10==1) && ((a12==0) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )))) && (a4==14)))) [L536] COND FALSE !(((a19==9) && ((a4==14) && ((a10==1) && (((input == 5) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a12==0)))))) [L542] COND TRUE ((a12==0) && (((((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a19==9)) && (a4==14)) && (a10==0))) [L543] a1 = (((((a1 + -272193) - -47605) - -570122) % 89)+ 110) [L544] a10 = 1 [L546] return 25; [L592] RET, EXPR calculate_output(input) [L592] output = calculate_output(input) [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL, EXPR calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L62] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L65] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L68] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L71] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L74] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L77] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L80] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L83] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L86] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L89] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L92] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L95] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L98] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L101] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L104] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L107] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L110] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L113] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L116] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L119] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L122] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L125] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L128] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L131] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L134] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L137] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L140] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L143] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L146] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L149] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L152] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L155] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L158] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L161] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L164] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L167] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L170] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L173] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L176] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L179] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L182] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L185] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L188] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L191] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L194] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L197] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L200] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L203] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L207] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L212] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L217] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L222] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L227] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L233] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L238] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L241] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L246] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L251] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L256] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L262] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L267] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L273] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L279] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L285] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L288] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L293] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L298] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L303] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L308] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L314] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L319] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L322] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L325] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L328] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L331] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L337] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L342] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L347] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L353] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L356] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L359] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L362] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L367] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L372] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L377] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L380] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L385] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L390] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L395] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L400] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L405] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L410] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L416] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L421] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L427] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L432] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L438] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L444] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L450] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L456] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L462] COND TRUE ((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0)))) [L463] a1 = (((a1 / 5) + 105416) + 61704) [L464] a10 = 4 [L466] return 24; [L592] RET, EXPR calculate_output(input) [L592] output = calculate_output(input) [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL, EXPR calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L62] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L65] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L68] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L71] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L74] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L77] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L80] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L83] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L86] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L89] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L92] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L95] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L98] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L101] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L104] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L107] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L110] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L113] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L116] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L119] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L122] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L125] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L128] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L131] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L134] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L137] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L140] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L143] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L146] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L149] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L152] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L155] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L158] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L161] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L164] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L167] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L170] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L173] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L176] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L179] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L182] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L185] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L188] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L191] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L194] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L197] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L200] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L203] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L207] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L212] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L217] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L222] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L227] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L233] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L238] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L241] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L246] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L251] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L256] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L262] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L267] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L273] COND TRUE ((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0)) [L274] a1 = (((((a1 % 25)+ -8) * 5) % 25)+ 13) [L275] a10 = 1 [L276] a19 = 7 [L278] return -1; [L592] RET, EXPR calculate_output(input) [L592] output = calculate_output(input) [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND TRUE (((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7)) [L48] CALL reach_error() [L4] __assert_fail("0", "Problem10_label24.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 49.5s, OverallIterations: 14, TraceHistogramMax: 4, AutomataDifference: 23.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 351 SDtfs, 4757 SDslu, 417 SDs, 0 SdLazy, 12158 SolverSat, 1614 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3988occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 1203 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 22.1s InterpolantComputationTime, 3263 NumberOfCodeBlocks, 3263 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2889 ConstructedInterpolants, 0 QuantifiedInterpolants, 1776689 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 2103/2283 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...